Atropisomers of asymmetric xanthene fluorescent dyes and methods of DNA sequencing and fragment analysis

Atropisomeric energy-transfer dye compounds are disclosed. A variety of molecular biology applications utilize atropisomeric xanthene fluorescent dyes as labels for substrates such as nucleotides, nucleosides, polynucleotides, polypeptides and carbohydrates. Methods include DNA sequencing, DNA fragment analysis, PCR, SNP analysis, oligonucleotide ligation, amplification, minisequencing, and primer extension.

Atropisomers of asymmetric xanthene fluorescent dyes and methods of DNA sequencing and fragment analysis

Atropisomeric energy-transfer dye compounds are disclosed. A variety of molecular biology applications utilize atropisomeric xanthene fluorescent dyes as labels for substrates such as nucleotides, nucleosides, polynucleotides, polypeptides and carbohydrates. Methods include DNA sequencing, DNA fragment analysis, PCR, SNP analysis, oligonucleotide ligation, amplification, minisequencing, and primer extension.

TAGGED MULTI-NUCLEOTIDES USEFUL FOR NUCLEIC ACID SEQUENCING

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis. 132-. (canceled)33. A method for determining the sequence of a nucleic acid comprising:(a) providing a nanopore sequencing composition comprising: a membrane, an electrode on the cis side and the trans side of the membrane, a nanopore with its pore extending through the membrane, an electrolyte solution in contact with both electrodes, an active polymerase situated adjacent to the nanopore, and a primer strand complexed with the polymerase;(b) contacting the nanopore sequencing composition with (i) a strand of the nucleic acid; and (ii) a set of compounds each comprising a single tag covalently linked to a plurality of nucleoside-5′-oligophosphate moieties, wherein the tag is a molecular moiety capable of producing a detectable signal, each nucleoside-5′-oligophosphate moiety is capable of being a substrate for a polymerase, and each member of the set of compounds has a different tag that produces a different detectable signal when the tag is situated in a nanopore; and(c) detecting the different detectable signals of the tags over time and correlating to each of the different tags the different compounds incorporated by the polymerase which are complementary to the nucleic acid sequence, and thereby determining the nucleic acid sequence.3441-. (canceled)42. The method of claim 33 , wherein each compound of the set has a structural formula (I){'br': None, 'sub': 'm', '[N-P-L]-T\u2003\u2003 (I)'} N is a nucleoside;', 'P is an oligophosphate covalently attached to a 5′-O group of the nucleoside, wherein the oligophosphate consists of 3 to 12 phosphate groups ...

NUCLEOSIDE-5'-OLIGOPHOSPHATES TAGGED WITH POSTIVIELY-CHARGED POLYMERS, NANOPORES INCORPORATING NEGATIVE CHARGES, AND METHODS AND SYSTEMS USING THE SAME

The present disclosure relates to tagged nucleoside-5′-oligophosphates having a positively charged polymer tag structure and components thereof. Such nucleoside-5′-oligophosphates are useful, for example, in nanopore-based sequencing-by-synthesis applications. Also disclosed herein are nanopore constructs engineered to have additional negatively-charged moieties in the channel of the nanopore. Such nanopores can be useful, for example, for providing a repellant force against template and/or primer nucleic acids inserting into the pore during a nucleic sequence-by-synthesis process. The tagged nucleoside-5′-oligophosphates and nanopores disclosed herein can be used together to provide nanopore-based nucleic acid sequencing-by-synthesis systems and processes having reduced background tag levels and improved throughput.

FLUORESCENT NUCLEOBASE CONJUGATES HAVING ANIONIC LINKERS

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

Sulfonated diarylrhodamine dyes

Sulfonated diarylrhodamine compounds are useful as fluorescent labels of nucleosides, nucleotides, polynucleotides, and polypeptides. The compounds find particular application in the area of fluorescent nucleic acid analysis, e.g., automated DNA sequencing and fragment analysis, detection of probe hybridization in hybridization arrays, detection of nucleic acid amplification products, and the like.

Intermediates and methods for forming passivated surfaces on oxide layers and articles produced thereby

Intermediates and methods for forming passivated surfaces on oxide layers and articles produced thereby are described. Hydroxyl or hydroxide groups on the oxide surfaces are reacted with a metal reagent of the formula Y(L-Pol)m, where Y is a transition metal, magnesium or aluminum, L is oxygen, sulfur, selenium or an amine, and Pol represents a passivating agent such as a polyethylene glycol, a hydrocarbon, or a fluorocarbon. The resulting modified surface can be further reacted with a passivating agent having a phosphate functional group or a polyvalent reagent comprising a passivating moiety and a plurality of functional groups that are reactive with or that form complexes with Y. The passivating agent can also include a functional group such as biotin to provide surfaces with a desired functionality. The passivated surfaces exhibit minimal binding to bio-molecules and can be used in single-molecule detection schemes.

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

ATROPISOMERS OF ASYMMETRIC XANTHENE FLUORESCENT DYES AND METHOD OF DNA SEQUENCING AND FRAGMENT ANALYSIS

Atropisomeric energy-transfer dye compounds are disclosed. A variety of molecular biology applications utilize atropisomeric xanthene fluorescent dyes as labels for substrates such as nucleotides, nucleosides, polynucleotides, polypeptides and carbohydrates. Methods include DNA sequencing, DNA fragment analysis, PCR, SNP analysis, oligonucleotide ligation, amplification, minisequencing, and primer extension.

Phosphor particle coded beads

Beads coded with phosphor particles and methods of making and using them are provided.

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

TAGGED MULTI-NUCLEOTIDES USEFUL FOR NUCLEIC ACID SEQUENCING

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis. 1. A compound comprising a single tag covalently linked to a plurality of nucleoside-5′-oligophosphate moieties , wherein the tag is a molecular moiety capable of producing a detectable signal , and each nucleoside-5′-oligophosphate moiety is capable of being a substrate for a polymerase.2. The compound of claim 1 , wherein the compound comprises the single tag covalently linked to from 2 to 12 nucleoside-5′-oligophosphate moieties claim 1 , optionally from 2 to 6 nucleoside-5′-oligophosphate moieties.3. The compound of claim 1 , wherein the compound when used as a polymerase substrate results in increased extension efficiency relative to a compound comprising the single tag covalently linked to a single nucleoside-5′-oligophosphate.4. The compound of claim 1 , wherein the compound has structural formula (I){'br': None, 'sub': 'm', '[N-P-L]-T\u2003\u2003(I)'} N is a nucleoside;', 'P is an oligophosphate covalently attached to a 5′-O group of the nucleoside, wherein the oligophosphate consists of 3 to 12 phosphate groups;', 'L is a linker covalently attached to a terminal phosphate group of the oligophosphate;', 'm is from 2 to 12 and indicates the number of N-P-L moieties; and', 'T is a tag covalently attached the N-P-L moieties, wherein the tag is a molecular moiety capable of producing a detectable signal., 'wherein,'}8. The compound claim 1 , wherein the Tag comprises a molecular moiety selected from the group consisting of a polyethylene-glycol (PEG) oligomer claim 1 , an organic dye moiety claim 1 , an oligonucleotide (comprising natural and/or non- ...

TAGGED NUCLEOSIDE COMPOUNDS USEFUL FOR NANOPORE DETECTION

The disclosure relates to tagged nucleoside compounds comprising a nucleotide polyphosphate covalently attached to a tag, wherein the compound is a polymerase substrate and the polymer moiety is capable of entering a nanopore linked to the polymerase and thereby altering the flow of ions through the nanopore. The disclosure also provides methods for preparing the tagged nucleoside compounds and for their use as tags in nanopore-based nucleic acid detection and sequencing. 2. The compound of claim 1 , wherein the compound is a substrate for a polymerase linked to a nanopore.3. The compound of claim 1 , wherein x+y+z=30.4. The compound of claim 1 , wherein x=14-22.5. The compound of claim 1 , wherein Rand/or Rare independently selected from O and CH.6. The compound of claim 1 , wherein Band/or Bare independently selected from the group consisting of adenine claim 1 , cytosine claim 1 , guanine claim 1 , thymine claim 1 , uracil claim 1 , hypoxanthine claim 1 , N3CEdT claim 1 , N3MedT claim 1 , etheno-dA claim 1 , 5MedC claim 1 , 5MedC-PhEt claim 1 , and dCb.7. The compound of claim 1 , wherein Cap is a 3′-propanol group.8. The compound of claim 1 , wherein N is a unit of formula (2a).9. The compound of claim 1 , wherein x=14-22 claim 1 , y=6-10 claim 1 , z=3-6 claim 1 , x+y+z=30 claim 1 , N is a unit of formula (2a) claim 1 , and Cap is a 3′-propanol group.10. The compound of claim 9 , wherein Ris O and Bis a modified nucleobase.11. The compound of claim 10 , wherein the modified base is independently selected from N3CEdT claim 10 , N3MedT claim 10 , etheno-dA claim 10 , 5MedC claim 10 , 5MedC-PhEt claim 10 , and dCb.12. The compound of claim 9 , wherein Ris CHand B1 is thymine or hypoxanthine.14. The compound of claim 13 , wherein the linker comprises a chemical group selected from the group consisting of: ester claim 13 , ether claim 13 , thioether claim 13 , amine claim 13 , amide claim 13 , imide claim 13 , carbonate claim 13 , carbamate claim 13 , squarate claim ...

Sulfonated diarylrhodamine dyes

Sulfonated diarylrhodamine compounds are useful as fluorescent labels of nucleosides, nucleotides, polynucleotides, and polypeptides. The compounds find particular application in the area of fluorescent nucleic acid analysis, e.g., automated DNA sequencing and fragment analysis, detection of probe hybridization in hybridization arrays, detection of nucleic acid amplification products, and the like.

TAGGED MULTI-NUCLEOTIDES USEFUL FOR NUCLEIC ACID SEQUENCING

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis. 1. A compound comprising a single tag covalently linked to a plurality of nucleoside-5′-oligophosphate moieties , wherein the tag is a molecular moiety capable of producing a detectable signal , and each nucleoside-5′-oligophosphate moiety is capable of being a substrate for a polymerase.2. (canceled)3. The compound of claim 1 , wherein the compound when used as a polymerase substrate results in increased extension efficiency of at least 2 fold relative to a compound comprising the single tag covalently linked to a single nucleoside-5′-oligophosphate.4. (canceled)5. The compound of claim 1 , wherein the detectable signal is selected from a nanopore detectable signal claim 1 , an optically detectable signal claim 1 , and a mass spectrometrically detectable signal.6. (canceled)7. The compound of claim 1 , wherein the detectable signal is a nanopore detectable signal and the tag is a molecular moiety capable of entering into claim 1 , becoming positioned in claim 1 , being captured by claim 1 , translocating through claim 1 , and/or traversing a nanopore claim 1 , and thereby result in a detectable change in current through the nanopore.8. The compound of claim 1 , wherein the compound has structural formula (I){'br': None, 'sub': 'm', '[N—P-L]-T\u2003\u2003(I)'} N is a nucleoside;', 'P is an oligophosphate covalently attached to a 5′-O group of the nucleoside, wherein the oligophosphate consists of 3 to 12 phosphate groups;', 'L is a linker covalently attached to a terminal phosphate group of the oligophosphate;', 'm is from 2 to 12 and indicates the number of ...

DEPOSITION OF METAL OXIDES ONTO SURFACES AS AN IMMOBILIZATION VEHICLE FOR CARBOXYLATED OR PHOPHATED PARTICLES OR POLYMERS

Intermediates and methods for forming activated metal complexes bound to surfaces on oxide layers, immobilizing beads to the modified surface and articles produced thereby are described. Hydroxyl groups on the oxide surfaces are reacted with a metal reagent complex of the formula Y(L-Pol)m, where Y is a transition metal, magnesium or aluminum, L is oxygen, sulfur, selenium or an amine, and Pol represents a passivating agent such as a methoxyethanol, a polyethylene glycol, a hydrocarbon, or a fluorocarbon. The resulting modified surface can be further reacted with a passivating agent having a phosphate functional group or a plurality of functional groups that are reactive with or that form complexes with Y. The metal oxide surfaces exhibit minimal binding to bio-molecules, exhibit uniform deposition and immobilization of beads at high density, can be subsequently modified to create surfaces having a variety of properties, and can be used for nucleic acid sequencing and other analyses and ...

Tagged multi-nucleotides useful for nucleic acid sequencing

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis.

3' PROTECTED NUCLEOTIDES

The present disclosure provides 3′ protected nucleotides, including those 3′ protected nucleotides having a detectable tag. Systems and methods of sequencing nucleic acids using the 3′ protected nucleotides are also disclosed, such as the sequencing of a nucleic acid using a nanopore or the sequencing of a nucleic acid via sequencing-by-synthesis. 3. The nucleotide or the salt thereof of claim 2 , wherein at least one of Zor Zis H.4. (canceled)5. The nucleotide or the salt thereof of claim 1 , wherein Ris a bond.6. The nucleotide or the salt thereof of claim 5 , wherein Ris a bond.7. The nucleotide or the salt thereof of claim 6 , wherein at least one of Ror Ris H.8. The nucleotide or the salt thereof of claim 5 , wherein Ris a 6-membered aryl group.9. (canceled)10. The nucleotide or the salt thereof of claim 1 , wherein Ris —C(O)—O—.11. The nucleotide or the salt thereof of claim 10 , wherein Ris a 6-membered aryl group.12. (canceled)13. (canceled)14. The nucleotide or the salt thereof of claim 5 , wherein Ris —CH═CH—.15. (canceled)16. (canceled)17. The nucleotide or the salt thereof of claim 5 , wherein Ris —(C(R)(R))—NC—.18. The nucleotide or the salt thereof of claim 5 , wherein Ris —[(C(R)(R))—O](R) or —C(O)—OR— claim 5 , and wherein at least one Ris a C-Calkyl group.19. The nucleotide or the salt thereof of claim 1 , wherein Ris —C(O)—R— claim 1 , and wherein Ris —(C(R)(R))—N.20. (canceled)21. The nucleotide or the salt thereof of claim 1 , wherein Ris derived from a substituted or unsubstituted 1 claim 1 ,4-epoxy-1 claim 1 ,4-dihydronaphthalene.22. The nucleotide or the salt thereof claim 1 , wherein Ris —CH— claim 1 , and Ris —B(OZ)(OZ).2357-. (canceled)59. (canceled)60. (canceled)61. (canceled)62. (canceled)64. (canceled)65. (canceled)6784-. (canceled)8790-. (canceled) The present application claims the benefit of the filing date of U.S. Provisional Application No. 62/781,638 filed on Dec. 19, 2018, the disclosure of which is hereby incorporated by ...

Intermediates And Methods For Forming Passivated Surfaces On Oxide Layers And Articles Produced Thereby

Intermediates and methods for forming passivated surfaces on oxide layers and articles produced thereby are described. Hydroxyl or hydroxide groups on the oxide surfaces are reacted with a metal reagent of the formula Y(L-Pol)m, where Y is a transition metal, magnesium or aluminum, L is oxygen, sulfur, selenium or an amine, and Pol represents a passivating agent such as a polyethylene glycol, a hydrocarbon, or a fluorocarbon. The resulting modified surface can be further reacted with a passivating agent having a phosphate functional group or a polyvalent reagent comprising a passivating moiety and a plurality of functional groups that are reactive with or that form complexes with Y. The passivating agent can also include a functional group such as biotin to provide surfaces with a desired functionality. The passivated surfaces exhibit minimal binding to bio-molecules and can be used in single-molecule detection schemes.

TAGGED MULTI-NUCLEOTIDES USEFUL FOR NUCLEIC ACID SEQUENCING

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis.

Sulfonated diarylrhodamine dyes

Sulfonated diarylrhodamine compounds are useful as fluorescent labels of nucleosides, nucleotides, polynucleotides, and polypeptides. The compounds find particular application in the area of fluorescent nucleic acid analysis, e.g., automated DNA sequencing and fragment analysis, detection of probe hybridization in hybridization arrays, detection of nucleic acid amplification products, and the like.

Method and System for Phase-Locked Sequencing

System and methods according to exemplary embodiments of the present disclosure utilize a sample holder configured to hold at least one confined single-molecule analyte in a solution of labeled nucleotide bases. Each single-molecule analyte has a single template nucleic acid molecule, an oligonucleotide primer, and/or a single nucleic acid polymerizing enzyme. A least one light source is used to illuminate a detection volume around each confined analyte, and a pulsed source sends a pulsed radiation to the at least one detection volume. The timing of incorporation events at the analytes are controlled by the pulsed radiation, and when multiple analytes are provided on the sample holder, the incorporation events at the analytes can be phase locked and synchronized using the pulsed radiation.

Tagged multi-nucleotides useful for nucleic acid sequencing

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5′-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis.

Intermediates and Methods for Forming Passivated Surfaces on Oxide Layers and Articles Produced Thereby

Intermediates and methods for forming passivated surfaces on oxide layers and articles produced thereby are described. Hydroxyl or hydroxide groups on the oxide surfaces are reacted with a metal reagent of the formula Y(L-Pol)m, where Y is a transition metal, magnesium or aluminum, L is oxygen, sulfur, selenium or an amine, and “Pol” represents a passivating agent such as a polyethylene glycol, a hydrocarbon, or a fluorocarbon. The resulting modified surface can be further reacted with a passivating agent having a phosphate functional group or a polyvalent reagent comprising a passivating moiety and a plurality of functional groups that are reactive with or that form complexes with Y. The passivating agent can also include a functional group such as biotin to provide surfaces with a desired functionality. The passivated surfaces exhibit minimal binding to bio-molecules and can be used in single-molecule detection schemes.

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

Deposition of metal oxides onto surfaces as an immobilization vehicle for carboxylated or phophated particles or polymers

Intermediates and methods for forming activated metal complexes bound to surfaces on oxide layers, immobilizing beads to the modified surface and articles produced thereby are described. Hydroxyl groups on the oxide surfaces are reacted with a metal reagent complex of the formula Y(L-Pol)m, where Y is a transition metal, magnesium or aluminum, L is oxygen, sulfur, selenium or an amine, and Pol represents a passivating agent such as a methoxyethanol, a polyethylene glycol, a hydrocarbon, or a fluorocarbon. The resulting modified surface can be further reacted with a passivating agent having a phosphate functional group or a plurality of functional groups that are reactive with or that form complexes with Y. The metal oxide surfaces exhibit minimal binding to bio-molecules, exhibit uniform deposition and immobilization of beads at high density, can be subsequently modified to create surfaces having a variety of properties, and can be used for nucleic acid sequencing and other analyses and ...

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

Backplane connector with guiding elements

A backplane connector has a housing and multiple terminal assemblies. The housing has a top, a bottom and an expansion slot defined in the top. The terminal assemblies are mounted in the bottom of the housing and each terminal assembly has a first insulating base, a second insulating base and two pairs of signal transmission terminals. The first and second insulating bases are connected to each other. The pairs of the signal transmission terminals are mounted respectively through the first and second insulating bases. Each signal transmission terminal has a curved guide element and an angled protruding element. The curved guiding elements smoothly contacts and guides an electrical connecting portion of a PCB expansion card to move so that the PCB expansion card is installed easily in the expansion slot of the backplane connector.

METHOD AND MODULE FOR MODIFYING AN ANGULAR POINTER SIGNAL GENERATED USING THREE DIMENSIONAL POINTING, AND THREE DIMENSIONAL POINTING DEVICE

In a method and module for modifying a pointer signal generated by a 3D point in device and corresponding to motion of the pointing device, an angular velocity generating unit generates an angular velocity of the 3D pointing device based on the pointer signal. A control unit generates a control signal based on the angular velocity generated by the angular velocity generating unit and predetermined angular velocity threshold information. An adjustable low-pass filter is operable within a gain range, and determines a target gain thereof based on the control signal from the control unit. The low-pass filter filters the pointer signal with the target gain determined thereby to generate a modified output corresponding to the pointer signal. 1. A method of modifying a pointer signal generated by a handheld pointing device using three dimensional pointing and corresponding to motion of the handheld pointing device , said method comprising the steps of:a) providing an adjustable low-pass filter operable within a gain range;b) generating an angular velocity of the pointing device based on the pointer signal;c) determining a target gain of the adjustable low-bass filter based on the angular velocity and predetermined angular velocity threshold information; andd) filtering the pointer signal using the adjustable low-pass filter with the target gain determined in step c) to generate a modified output corresponding to the pointer signal.2. The method as claimed in claim 1 , whereinthe predetermined angular velocity threshold information includes at least one accelerated angular velocity threshold;step c) includes the sub-steps of:c-1) during incrementing of the angular velocity, determining whether the angular velocity is greater than the accelerated angular velocity threshold;c-2) increasing the target gain of the adjustable low-pass filter from a first gain to a second gain that corresponds to the accelerated angular velocity threshold when, in sub-step c-1) the angular ...

Male Connector and Corresponding Female Connector

A male connector has an insulating housing, multiple signal terminals, and multiple grounding modules. The signal terminals are mounted through the insulating housing. The grounding terminal modules are mounted through the insulating housing. Each grounding terminal module is integrally formed into one piece and has multiple grounding terminals. Adjacent grounding terminals are connected integrally to each other so that the grounding terminals of each grounding terminal module are arranged in a line. The integrally formed ground terminal modules reduce a total tolerance of the grounding terminals and increase the production rate of the male connector. 1. A male connector comprising:an insulating housing having a front and a rear;multiple signal terminals arranged abreast, mounted through the insulating housing, extending out of the front of the insulating housing and arranged in an array; andmultiple grounding terminal modules arranged abreast, mounted through the insulating housing and each grounding terminal module integrally formed into one piece and having multiple grounding terminals, wherein adjacent grounding terminals are connected integrally to each other so that the grounding terminals of each grounding terminal module are arranged in a line; and a transverse extension segment formed on and protruding transversely from the grounding terminal; and', 'a limiting tab formed on and protruding transversely from the grounding terminal along an opposite direction relative to a direction along which the transverse extension segment protrudes so that each grounding terminal has a substantial Z-shaped cross section when viewed from a front or rear end thereof., 'wherein each grounding terminal comprises2. The male connector as claimed in claim 1 , wherein adjacent grounding terminals are connected integrally to each other through a connecting section.3. The male connector as claimed in further comprising a supporting crossbar clamping and connecting to all grounding ...

THREE-DIMENSIONAL INPUT SENSING SYSTEM

A three-dimensional (3D) input sensing system includes a 3D input device, a host, and a power managing unit. The 3D input device includes at least one 3D motion sensing unit, and transmits a radio frequency (RF) signal obtained from detected motion of the 3D input device. The host receives the RF signal from the 3D input device and obtains 3D coordinate information of the 3D input device. The power managing unit controls supply of power in the 3D input device upon determining that the latter has remained motionless for a predetermined time period. 1. A three-dimensional (3D) input sensing system comprising: at least one 3D motion sensing unit for detecting motion of said 3D input device in three dimensions and for generating a sensing signal corresponding to motion detected thereby,', 'a signal collecting unit for collecting the sensing signal from said at least one 3D motion sensing unit and for outputting a collected sensing signal, and', 'a first radio frequency (RF) transceiver unit for receiving the collected sensing signal from said signal collecting unit, for modulating the collected sensing signal into a RF signal, and for transmitting the RF signal;, 'a 3D input device including'} a second RF transceiver unit for receiving the RF signal transmitted by said first RF transceiver unit and for demodulating the RF signal to obtain the collected sensing signal, and', 'a computing unit for performing computation processing upon the collected sensing signal from said second RF transceiver unit so as to obtain 3D coordinate information of said 3D input device,', 'said host performing an action corresponding to the 3D coordinate information obtained by said computing unit; and, 'a host including'}a power managing unit operable for stopping supply of power to at least one of said signal collecting unit and said first RF transceiver unit upon determining, based on one of the collected sensing signal from said signal collecting unit and the 3D coordinate information ...

PROXIMITY-BASED WIRELESS HANDSHAKING FOR CONNECTION ESTABLISHMENT

A first network device can implement functionality to establish a proximity-based wireless connection with a second network device. It can be determined whether the second network device is within a threshold detection distance from the first network device based on a signal strength associated with RF signals received from the second network device or based on detecting RF saturation at the first network device. Device credentials associated with the first network device can be transmitted to the second network device at a reduced transmit power level in response to determining that the second network device is within the threshold detection distance from the first network device. A communication link can be established between the first network device and the second network device based, at least in part, on the device credentials associated with the first network device and device credentials received from the second network device. 1. A method comprising:determining a signal strength associated with one or more RF signals received at a first wireless network device from a second wireless network device of a wireless communication network;determining whether the second wireless network device is within a threshold detection distance from the first wireless network device based on the signal strength associated with the second wireless network device;transmitting device credentials associated with the first wireless network device to the second wireless network device at a reduced transmit power level in response to determining that the second wireless network device is within the threshold detection distance from the first wireless network device; andestablishing a communication link between the first wireless network device and the second wireless network device based, at least in part, on the device credentials associated with the first wireless network device and device credentials associated with the second wireless network device received from the second ...

BOARD-TO-BOARD CONNECTOR ASSEMBLY

A board-to-board connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals and a latching bar. The first insulative housing has a locking recess and a releasing recess. The latching bar is mounted pivotally on the first insulative housing and selectively engages the locking recess or releasing recess. The male connector has a second insulative housing, multiple second terminals and two latched elements. The latched elements are mounted in the second insulative housing and each latched element has a latched hole selectively engaging with the latching bar to prevent the male connector from falling out of the female connector. 1. A board-to-board connector assembly comprising: [ two opposite first edges;', 'two opposite second edges;', 'a top; and', 'a socket hole defined in the top of the first insulative housing;, 'a first insulative housing having, 'multiple first terminals mounted in the socket hole;', two opposite first sides;', 'two opposite second sides;', 'two sets of at least one locking recess defined respectively in the first sides; and', 'two sets of at least one releasing recess defined respectively in the first sides and located respectively adjacent to and corresponding to the sets of the at least one locking recess; and, 'a shell mounted on the first insulative housing and having, a handling segment having two ends;', 'two positioning segments formed on and protruding respectively from the ends of the handling segments and each positioning segment selectively engaging the at least one locking recess of one set or the at least one releasing recess of one set; and', 'two latching pins formed on and protruding respectively from the positioning segments and rotatably and slidably extending respectively through the first sides of the shell and respectively in the first edges of the first insulative housing; and, 'a latching bar mounted pivotally on the second sides of the ...

KEYBOARD APPARATUS WITH A FONT DISPLAY AND METHOD THEREOF

The present invention provides a keyboard apparatus with a font display, comprising a keyboard main body having a plurality of keys and a display module provided thereon and a processing module electrically connected to the keys and the display module to be actuated correspondingly. The display module further comprises a lighting module and the keyboard main body further comprises a switch key for switching the input type thereof. With the aforementioned structure, as the keyboard apparatus is physically connected to a data processing device, the user is able to switch the input type via the keys, to adjust the angle of the display module and to verify the input content during typing. As a result, the merits of present invention including such as fast switch of the input types, facilitated verification of the input content, enhanced typing efficiency and reduced typing mistakes can be advantageously achieved. 1. A keyboard apparatus with a font display , comprising:a keyboard main body comprising a plurality of keys provided thereon for user inputs;a display module for displaying an input message and attached to said keyboard main body; anda processing module electrically connected to said plurality of keys and said display module to be actuated correspondingly and to display cooperatively.2. The keyboard apparatus with a font display according to claim 1 , wherein said display module displays at least one character symbol and said display module comprises a display screen having a plurality of content rows.3. The keyboard apparatus with a font display according to claim 1 , wherein said display module further comprises an angle adjustment mechanism for adjusting an angle thereof.4. The keyboard apparatus with a font display according to claim 1 , wherein said display module is arranged at an angle with said keyboard main body;and wherein said angle is any one of an obtuse angle and a vertical angle.5. The keyboard apparatus with a font display according to claim 1 ...

IMAGING SYSTEM, PIXEL ARRAY OF IMAGING SYSTEM AND IMAGE SENSOR

An image sensor including a pixel array which includes pixels for sensing a reflected signal, incident on the pixel array to form reflected light spots separated from each other. Each pixel includes a photodetector and a readout circuit. The photodetector is configured to detect the reflected signal and output a photo response signal. The readout circuit is configured to generate a pixel output according to the photo response signal. The pixels include a first pixel and a second pixel adjacent to the first pixel along a first predetermined direction. The readout circuit of the first pixel is adjacent to the photodetector of the second pixel along the first predetermined direction, and adjacent to the photodetector of the first pixel along a second predetermined direction perpendicular to the first predetermined direction. The pixel array has a small pixel pitch and a high fill factor. 1. An image sensor , comprising: a photodetector, configured to detect the reflected signal and accordingly output a photo response signal; and', 'a readout circuit, coupled to the photodetector, the readout circuit being configured to generate a pixel output according to the photo response signal;, 'a plurality of pixels arranged in rows and columns, the pixels configured to sense a reflected signal, the reflected signal being incident on the pixel array to form a plurality of reflected light spots separated from each other on the pixel array, wherein each of the pixels compriseswherein the pixels comprise a first pixel and a second pixel adjacent to the first pixel along a first predetermined direction; the readout circuit of the first pixel is adjacent to the photodetector of the second pixel along the first predetermined direction, and is adjacent to the photodetector of the first pixel along a second predetermined direction perpendicular to the first predetermined direction.2. The image sensor of claim 1 , wherein the photodetector of the first pixel is disposed at a side of the ...

Board Connector Assembly, Receptacle Connector and Plug Connector Thereof

A board connector assembly has a receptacle connector and a plug connector. The receptacle connector has a first insulative housing, two sets of first terminals and two first metal reinforcing members mounted respectively on two opposite ends of the first insulative housing. The plug connector is detachably engaged with the receptacle connector and has a second insulative housing, two sets of second terminals and two second metal reinforcing members mounted respectively on two opposite ends of the second insulative housing. The first and second metal reinforcing members enhance structural strength and durability of the receptacle connector and plug connector. 1. A board connector assembly comprising: [ a cavity defined in the first insulative housing and having two opposite mounting slots defined in the cavity; and', an end mounting section; and', 'two side sections connected to the end mounting section;, 'two end mounting portions formed respectively on two opposite ends of the first insulative housing, and each end mounting portion having'}], 'a first insulative housing having'}, 'two sets of multiple first terminals corresponding to and mounted oppositely and respectively in the mounting slots of the first insulative housing; and', a central section mounted on the end mounting section of a corresponding end mounting portion and having an outside end clamping tab formed on and protruding from the central section and embedded on an outer wall of the end mounting section; and', an outside clamping plate formed on and protruding from the extension section and embedded in an outside wall of a corresponding side section; and', 'an inside clamping plate formed on and protruding from the extension section and embedded in an inside wall of the corresponding side section; and, 'two opposite extension sections formed on and protruding respectively from two opposite ends of the central section and corresponding to and embedded respectively in the side sections of the ...

FINGERPRINT IDENTIFICATION SYSTEM

A fingerprint identification system includes: a fingerprint sensing circuit having a power supply terminal and a floating ground terminal, used for generating a first signal; and a signal generation circuit having a first output terminal and a second output terminal, wherein the first output terminal is coupled to the power supply terminal, and the second output terminal is coupled to the floating ground terminal, the signal generation circuit is used for generating a floating power signal to the power supply terminal according to the first signal, and for generating a floating ground signal to the floating ground terminal according to the first signal, wherein the floating power signal has a floating power amplitude, and the floating ground signal has a floating ground amplitude; and wherein the signal generation circuit has a breakdown voltage, and both the floating power amplitude and the floating ground amplitude are greater than the breakdown voltage. 1. A fingerprint identification system , comprising:a fingerprint sensing circuit, having a power supply terminal and a floating ground terminal, the fingerprint sensing circuit being used for generating a fingerprint signal and a first signal, wherein the fingerprint identification system identifies a fingerprint according to the fingerprint signal; anda signal generation circuit, having a first output terminal and a second output terminal, wherein the first output terminal is coupled to the power supply terminal, and the second output terminal is coupled to the floating ground terminal, and the signal generation circuit is used for generating a floating power signal to the power supply terminal according to the first signal, and for generating a floating ground signal to the floating ground terminal according to the first signal, wherein the floating power signal has a floating power amplitude, and the floating ground signal has a floating ground amplitude;wherein the signal generation circuit has a breakdown ...

TIME-OF-FLIGHT BASED DISTANCE MEASURING METHOD AND DISTANCE MEASURING SYSTEM

A time-of-flight based distance measuring method and a time-of-flight based distance measuring system are provided. The distance measuring method includes: sending N consecutive pulses from a transmitter side intermittently, N being a positive integer greater than one, wherein the N consecutive pulses are reflected by a target object, and a reflection signal is generated accordingly, during arrival of the reflected signal at a receiver side, sampling the reflected signal multiple times according to a predetermined sampling interval within a predetermined sampling duration and accordingly generating a sampling result; detecting time of flight of a single pulse of the N consecutive pulses traveling from the transmitter side to the receiver side according to the sampling result; and measuring a distance between the target object and a reference position according to the time of flight. The distance measuring method maintains good measurement quality, measures the distance rapidly, and consumes low power. 1. A time-of-flight based distance measuring method , comprising:sending N consecutive pulses from a transmitter side intermittently, N being a positive integer greater than one, wherein the N consecutive pulses are reflected by a target object, and a reflection signal is reflected from the target object accordingly;during arrival of the reflected signal at a receiver side, sampling the reflected signal multiple times according to a predetermined sampling interval within a predetermined sampling duration and accordingly generating a sampling result;detecting time of flight of a single pulse of the N consecutive pulses traveling from the transmitter side to the receiver side according to the sampling result; andmeasuring a distance between the target object and a reference position according to the time of flight.2. The distance measuring method of claim 1 , wherein the predetermined sampling duration is longer than or equal to a pulse period of the single pulse of the ...

Pixel Circuit and Image Sensing System

The present application provides a pixel circuit, applied in an image sensing system. The pixel circuit is coupled to a first collection node and a second collection node. The pixel circuit includes a first capacitor; a second capacitor; a first shutter switch coupled between the first capacitor and the first collection node; a second shutter switch coupled between the second capacitor and the second collection node; a third shutter switch coupled between the second capacitor and the first collection node; a fourth shutter switch coupled between the first capacitor and the second collection node; and a common mode reset module coupled to the first capacitor and the second capacitor. 1. A pixel circuit , applied in an image sensing system , wherein the pixel circuit is coupled to a first collection node and a second collection node , characterized in that , the pixel circuit comprises:a first capacitor;a second capacitor;a first shutter switch, coupled between the first capacitor and the first collection node;a second shutter switch, coupled between the second capacitor and the second collection node;a third shutter switch, coupled between the second capacitor and the first collection node;a fourth shutter switch, coupled between the first capacitor and the second collection node; anda common mode reset module, coupled to the first capacitor and the second capacitor.2. The pixel circuit as claim 1 , characterized in that claim 1 , within a first time claim 1 , the first shutter switch and the second shutter switch are conducted claim 1 , the third shutter switch and the fourth shutter switch are cutoff; and within a second time claim 1 , the first shutter switch and the second shutter switch are cutoff claim 1 , the third shutter switch and the fourth shutter switch are conducted.3. The pixel circuit as claim 2 , characterized in that claim 2 , the first time and the second time have the same time length.4. The pixel circuit as claim 1 , characterized by claim 1 , ...

Image sensor, manufacturing method and hand-held device of the same

The present disclosure discloses an image sensor, method of manufacturing the same, a chip and a hand-held device adopting the chip. The image sensor includes a semiconductor substrate and a plurality of pixels, wherein each pixel of the plurality of pixels includes: a photosensitive sensor, disposed on the semiconductor substrate; a polarizing layer, disposed over the semiconductor substrate; and a microlens, disposed over the polarizing layer, so that the polarizing layer is disposed between the microlens and the semiconductor substrate The present disclosure further discloses a chip, a hand-held device, and a method of manufacturing the image sensor.

BOARD TO BOARD MALE CONNECTOR AND BOARD TO BOARD FEMALE CONNECTOR

A board to board male connector includes a male insulator, a first male signal contact set, a second male signal contact set, and a first male holding contact. The male insulator includes a first side wall, a second side wall, a first erect wall, and second erect wall. The first side wall is opposite to the second side wall. The first erect wall is opposite to the second erect wall. The first male signal contact set is disposed on the first erect wall. The second male signal contact set is disposed on the second erect wall. The first male holding contact includes a first male holding body disposed on the first side wall, and at least one first embedding wing extending from at least one side of the first male holding body and embedding into the first side wall. 1. A board to board male connector , comprising:a male insulator comprising a first side wall, a second side wall, a first erect wall, and a second erect wall, the first side wall being opposite to the second side wall, and the first erect wall being opposite to the second erect wall;a first male signal contact set disposed on the first erect wall;a second male signal contact set disposed on the second erect wall; and a first male holding body disposed on the first side wall; and', 'at least one first embedding wing extending from at least one side of the first male holding body and embedding into the first side wall., 'a first male holding contact comprising2. The male connector of claim 1 , wherein the first male holding body comprises a first base and a first engaging plate claim 1 , the first base comprises a first male engaging structure claim 1 , the first engaging plate extends from the first base claim 1 , a first engaging slot is defined between the first engaging plate and the first base and for engaging with the first side wall claim 1 , and the first male holding contact further comprises a first holding welding portion extending from the first base and being welded on a circuit board.3. The male ...

Electrical plug connector and electrical receptacle connector

An electrical plug connector includes a plug insulated housing which is integrally formed and plug terminals. A transition segment connected between first and second contact portions of each plug terminal allows the first contact portion to be in contact with and arranged substantially parallel to the second contact portion, so that connectors with reduced width can be manufactured. In addition, the shaping space between a first recessed portion and a second recessed portion of each plug terminal receive materials for forming the plug insulated housing, thus improving the structural strength of the connector. Moreover, embedded ends allow the plug terminals to be secured with the plug bottom wall, so that the plug terminals would not detach from the plug insulated housing easily during manufacturing or operation. The structural strength of the electrical plug connector can be improved, and the plug terminals can be properly assembled with the plug insulated housing.

Square Wave Generating Method and Square Wave Generating Circuit

The present application provides a square wave generating method, applied in a square wave generating circuit, configured to generate a mimetic square wave signal, wherein the square wave generating circuit has a breakdown voltage. The square wave generating method comprises the square wave generating circuit generating the mimetic square wave signal as a first voltage during a first time interval; the square wave generating circuit generating the mimetic square wave signal as a second voltage during a second time interval; and the square wave generating circuit generating the mimetic square wave signal as a transient voltage during a transient interval between the first time interval and the second time interval, wherein the transient voltage is between the first voltage and the second voltage; wherein a first voltage difference between the first voltage and the second voltage is greater than the breakdown voltage. 1. A square wave generating method , applied in a square wave generating circuit , configured to generate a mimetic square wave signal , wherein the square wave generating circuit has a breakdown voltage , wherein the square wave generating method comprises:generating, by the square wave generating circuit, the mimetic square wave signal comprising a first voltage during a first time interval;generating, by the square wave generating circuit, the mimetic square wave signal comprising a second voltage during a second time interval; andgenerating, by the square wave generating circuit, the mimetic square wave signal comprising a transient voltage during a transient interval between the first time interval and the second time interval, wherein the transient voltage is between the first voltage and the second voltage;wherein a first voltage difference is formed between the first voltage and the second voltage, and the first voltage difference is greater than the specific breakdown voltage.2. The square wave generating method of claim 1 , wherein a second ...

Method of Integrating Events and System Thereof

An event integrating and displaying method for an electronic apparatus is disclosed. The method includes the follow steps: collecting a plurality of events established by different sources; calculating an event similarity between any two target events of the plurality of events to determine whether the event similarity exceeds a defined value, wherein the event similarity is obtained from calculating a time similarity, a location similarity, and an attendance similarity between the two target events; if the event similarity exceeds the defined value, integrating the two target events into an identical event. 1. An method of integrating events , adapted to an electronic apparatus , the method comprising the following steps:collecting a plurality of established events;sorting the plurality of events according to a time of occurrence recorded in the plurality of events;calculating an event similarity between any two target events of the plurality of events and determining whether the event similarity exceeds a defined value, wherein the event similarity is obtained from calculating an event time similarity, an event attendant similarity, and an event location similarity between the two target events; andif the event similarity exceeds the defined value, integrating the two target events into an identical event.2. The method of integrating events as claimed in claim 1 , wherein when an event time difference of the two target events is smaller than a set time value claim 1 , the method performs calculations to obtain the event time similarity according to the event time difference.3. The method of integrating events as claimed in claim 1 , wherein when an event location difference of the two target events is smaller than a set distance value claim 1 , the method performs calculations to obtain the event location similarity according to the event location difference.4. The method of integrating events as claimed in claim 1 , further comprising calculation to obtain the ...

Three-Dimensional (3D) Image System and Electronic Device

The present application provides a three-dimensional (3D) image system, comprising a structural light module, configured to emit a structural light, wherein the structural light module comprises a first light-emitting unit, the first light-emitting unit receives a first pulse signal and emits a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power the first light-emitting unit is greater than a specific power, and the first light has a first wavelength; and a light-sensing pixel array, configured to receive a reflected light corresponding to the structural light. 1. A three-dimensional (3D) image system , characterized by , comprising:a structural light module, configured to emit a structural light, wherein the structural light module comprises a first light-emitting unit, the first light-emitting unit receives a first pulse signal and emits a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power the first light-emitting unit is greater than a specific power, and the first light has a first wavelength; anda light-sensing pixel array, configured to receive a reflected light corresponding to the structural light.2. The 3D image system as claim 1 , characterized in that claim 1 , the duty cycle of the first pulse signal is less than 1/50.3. The 3D image system as claim 1 , characterized in that claim 1 , the emission power of the first light-emitting unit is greater than 4 watts.4. The 3D image system as claim 1 , characterized in that claim 1 , the structural light module comprises a diffraction unit claim 1 , and the diffraction unit forms a diffraction effect on the first light and generates the structural light.5. The 3D image system as claim 4 , characterized in that claim 4 , the diffraction unit is a diffraction optical element (DOE).6. The 3D image system as claim 1 , characterized in that claim 1 ...

Capacitance Determining Circuit and Fingerprint Recognition System

The present invention provides a capacitance determining circuit comprising a touched layer configured to receive a touch from a finger; a shielding layer disposed under the touched layer, wherein a parasitic capacitance is formed between the shielding layer and the touched layer; a driving circuit coupled to the touched layer and the shielding layer, configured to provide a first voltage to the touched layer and the shielding layer at a first time; a sensing circuit electrically connected to the touched layer, configured to sense the touch capacitance at a second time; and a first switch with a terminal electrically connected to the shielding layer and another terminal electrically connected to the driving circuit or the touched layer. The capacitance determining circuit and the fingerprint recognition system provided by the present invention is capable of eliminating parasitic capacitance effect and enhancing accuracy and performance of capacitance sensing and fingerprint recognition. 1. A capacitance determining circuit , characterized by , the capacitance determining circuit comprising:a touched layer, configured to receive a touch from a finger, wherein a touch capacitance is formed between the touched layer and the finger;a shielding layer, disposed under the touched layer, wherein a parasitic capacitance is formed between the shielding layer and the touched layer;a driving circuit, coupled to the touched layer and the shielding layer, configured to provide a first voltage to the touched layer and the shielding layer at a first time;a sensing circuit, electrically connected to the touched layer, configured to sense the touch capacitance at a second time; and a first terminal, electrically connected to the shielding layer; and', 'a second terminal, electrically connected to the driving circuit or the touched layer., 'a first switch, comprising'}2. The capacitance determining circuit as claim 1 , characterized in that claim 1 , the second terminal of the first ...

ELECTRICAL CONNECTOR ASSEMBLY

An electrical connector assembly including an electrical connecting member, at least one connector, and at least one metal cover is provided. The connector is disposed at and electrically connected to the electrical connecting member. The metal cover is disposed on the electrical connecting member, such that the electrical connecting member is located between the metal cover and the connector, and the connector is covered by the electrical connecting member. 1. An electrical connector assembly comprising:an electrical connecting member;at least one connector disposed at and electrically connected to the electrical connecting member; andat least one metal cover disposed on the electrical connecting member, wherein the electrical connecting member is located between the connector and the metal cover, and the connector is covered by the electrical connecting member.2. The electrical connector assembly according to claim 1 , wherein the electrical connecting member is a flexible circuit board or a rigid circuit board.3. The electrical connector assembly according to claim 1 , wherein the electrical connecting member comprises at least one grounding part claim 1 , and the metal cover covers and is electrically connected to the grounding part.4. The electrical connector assembly according to claim 1 , wherein the electrical connector assembly is a board-to-board connector assembly.5. The electrical connector assembly according to claim 1 , wherein an orthogonal projection of the connector on the electrical connecting member is within the electrical connecting member.6. The electrical connector assembly according to claim 1 , wherein the metal cover comprises at least one combining structure.7. The electrical connector assembly according to claim 6 , wherein the metal cover further comprises a body and a plurality of side skirt parts claim 6 , and the side skirt parts are formed by extending and bending from the body.8. The electrical connector assembly according to claim ...

IMAGE SENSING SYSTEM AND ELECTRONIC DEVICE

The present invention provides an image sensing system (), including a first pixel circuit (), wherein the first pixel circuit includes a photosensitive device (PD); a first transmission gate (TG1), under the control of a first transmission signal and conducted during a first conduction time interval; and a collection gate (CG), coupled between the photosensitive device and the transmission gate and configured to receive a collecting signal (CX); and a control unit (), configured to generate the collecting signal to the collection gate, wherein the collecting signal has a non-fixed voltage value. 1. An image sensing system , comprising , a photosensitive device;', 'a first transmission gate, under the control of a first transmission signal and conducted during a first conduction time interval; and', 'a collection gate, coupled between the photosensitive device and the transmission gate and configured to receive a collecting signal; and, 'a first pixel circuit, comprisinga control unit, coupled to the collection gate and configured to generate the collecting signal to the collection gate, wherein the collecting signal has a non-fixed voltage value.2. The image sensing system of claim 1 , wherein before the first conduction time interval claim 1 , the collecting signal generated by the control unit has a first high voltage level claim 1 , and during the first conduction time interval claim 1 , the collecting signal generated by the control unit transits from the first high voltage level into a low voltage level.3. The image sensing system of claim 2 , wherein the first transmission signal has a first rising edge at a first rising edge time claim 2 , and the collecting signal transits from the first high voltage level into the low voltage level at first transition time claim 2 , wherein the time difference between the first rising edge time and the first transition time is greater than the round-trip time the light transmitted between the image sensing system and a ...

3D IMAGE SENSOR AND RELATED 3D IMAGE SENSING MODULE AND HAND-HELD DEVICE

The present disclosure discloses a three-dimensional (3D) image sensor and a related 3D image sensing module and hand-held device. The 3D image sensor includes, a photosensitive pixel array, including: a first photosensitive pixel; a second photosensitive pixel; and a pixel control signal transmission line, so that the first photosensitive pixel and the second photosensitive pixel respectively output a first photosensitive value and a second photosensitive value according to a pixel control signal; wherein the pixel control signal reaches a first node at a first time point and reaches a second node at a second time point; a delay detection module, including: a first delay detection circuit, for determining a time difference between the first time point and the second time point; and a processing unit, for generating the first depth information and the second depth information based on the first photosensitive value, the second photosensitive value, and the time difference. 1. A three-dimensional (3D) image sensor , configured to generate a first depth information and a second depth information for a first location and a second location of a target object , respectively , by receiving light reflected from the target object , wherein the 3D image sensor comprises: a first photosensitive pixel;', 'a second photosensitive pixel; and', 'a pixel control signal transmission line, having a first node and a second node respectively coupled to the first photosensitive pixel and the second photosensitive pixel to transmit the pixel control signal to the first photosensitive pixel and the second photosensitive pixel, so that the first photosensitive pixel and the second photosensitive pixel respectively output a first photosensitive value and a second photosensitive value corresponding to the first location and the second location according to the pixel control signal;', 'wherein time taken for the pixel control signal to reach the first photosensitive pixel from the first node ...

DEPTH INFORMATION CONSTRUCTION SYSTEM, ASSOCIATED ELECTRONIC DEVICE, AND METHOD FOR CONSTRUCTING DEPTH INFORMATION

A depth information construction system is arranged to generate an output signal for a processing circuit to construct a depth information of an object according to the output signal. The depth information construction system includes a structured light generator, a diffuser lens assembly, and a sensor. The structured light generator is arranged to project a structured light onto the object to generate a reflected structured light. The diffuser lens assembly is disposed adjacent to the structured light generator, and is arranged to receive the reflected structured light and generate a filtered light. The sensor is arranged to sense the filtered light to generate the output signal. 1. A depth information construction system arranged to generate an output signal for a processing circuit to construct a depth information of an object according to the output signal , the depth information construction system comprising:a structured light generator, arranged to project a structured light onto the object to generate a reflected structured light:a diffuser lens assembly, disposed adjacent to the structured light generator, wherein the diffuser lens assembly is arranged to receive the reflected structured light and generate a filtered light; anda sensor, arranged to sense the filtered light to generate the output signal.2. The depth information construction system of claim 1 , wherein an angle between the structured light and the reflected structured light is approximately 0 degrees.3. The depth information construction system of claim 1 , wherein the structured light is a monochromatic light.4. The depth information construction system of claim 3 , wherein the monochromatic light includes infrared light.5. The depth information construction system of claim 4 , wherein the wavelength of the infrared light is about 940 nm claim 4 , and the wavelength of the filtered light is about 940 nm.6. The depth information construction system of claim 4 , wherein the diffuser lens ...

ELECTRICAL PLUG CONNECTOR AND ELECTRICAL RECEPTACLE CONNECTOR

An electrical plug connector includes a plug insulated housing which is integrally formed and plug terminals. A transition segment connected between first and second contact portions of each plug terminal allows the first contact portion to be in contact with and arranged substantially parallel to the second contact portion, so that connectors with reduced width can be manufactured. In addition, the shaping space between a first recessed portion and a second recessed portion of each plug terminal receive materials for forming the plug insulated housing, thus improving the structural strength of the connector. Moreover, embedded ends allow the plug terminals to be secured with the plug bottom wall, so that the plug terminals would not detach from the plug insulated housing easily during manufacturing or operation. The structural strength of the electrical plug connector can be improved, and the plug terminals can be properly assembled with the plug insulated housing. 1. An electrical plug connector , comprising:a plug insulated housing comprising a plug bottom wall, a pair of first sidewalls, and a pair of first end walls, wherein the pair of first sidewalls is configured to the plug bottom wall along a longitudinal direction, the pair of first end walls is configured to the plug bottom wall along a transversal direction, the pair of first sidewalls and the pair of first end walls define a first connecting space; and a first contact portion located in the first connecting space and abutted against one of two surfaces of the corresponding first sidewall, wherein a first recessed portion is formed at the inner lateral surface of the first contact portion, the width of the portion of the first contact portion having the first recessed portion is less than the width of rest of the first contact portion;', 'a second contact portion located at the other surface of the corresponding first sidewall and aligned parallel to the first contact portion, wherein one of two ends of ...

ELECTRICAL PLUG CONNECTOR AND ELECTRICAL RECEPTACLE CONNECTOR

An electrical plug connector and an electrical receptacle connector adapted to be mated with the electrical plug connector are provided. The electrical receptacle connector includes an insulated housing integrally formed as a whole and a plurality of receptacle terminals. Based on a supporting arm of a first side arm of the receptacle terminal, when the plug terminal is abutted against the first side arm, the supporting arm is abutted against an abutting surface of the electrical receptacle connector for supporting the first side arm and improving the structural strength of the first side arm. Therefore, the first side arm can be prevented from being deformed or broken. In addition, based on a supporting segment of a second side arm of the receptacle terminal, the flexibility of second side arm can be improved and the structural strength of the second side arm can be enhanced. 1. An electrical plug connector , comprising:a plug insulated housing comprising a plug bottom wall, a pair of first sidewalls, and a pair of first end walls, wherein the pair of first sidewalls is configured to the plug bottom wall along a longitudinal direction, the pair of first end walls is configured to the plug bottom wall along a transversal direction, the pair of first sidewalls and the pair of first end walls define a first connecting space; and a first contact portion located in the first connecting space and abutted against one of two surfaces of the corresponding first sidewall, wherein the first contact portion defines a groove facing the first connecting space, the groove is at an outer lateral surface of the first contact portion;', 'a second contact portion located at the other surface of the corresponding first sidewall and aligned parallel to the first contact portion, wherein one end of the second contact portion is extended to one of two ends of the first contact portion through a transition segment, a shaping space is defined between the first contact portion and the ...

FINGERPRINT IDENTIFICATION SYSTEM, AND FINGERPRINT PROCESSING METHOD THEREFOR AND FINGERPRINT PROCESSING APPARATUS THEREOF

A fingerprint identification system, a fingerprint processing method, and a fingerprint processing apparatus are provided in embodiments of the present disclosure, which pertains to the filed of the fingerprint identification technologies. The method includes: acquiring, in a registration mode, multiple pictures obtained via fingerprint scanning by a designated zone in a scanning area of a sensor when a finger of a user swipes through the designated zone; stitching the multiple pictures to form a fingerprint image according to feature values which are same in multiple pictures; and storing the fingerprint image or feature values of the fingerprint image into a registration template. According to the present disclosure, scanning time may be reduced and operations are simple, and accordingly efficiency of the fingerprint registration is improved. 1. A fingerprint processing method of a fingerprint identification system , comprising:acquiring, in a registration mode, multiple pictures obtained via fingerprint scanning by a designated zone in a scanning area of a sensor when a finger of a user swipes through the designated zone;stitching the multiple pictures to form a fingerprint image according to feature values which are same in multiple pictures; andstoring the fingerprint image or feature values of the fingerprint image into a registration template.2. The fingerprint processing method according to claim 1 , whereinthe feature value comprises a description of a corresponding feature point and a location of the feature point.3. The fingerprint processing method according to claim 1 , whereinthe feature value comprises an orientation or statistical features of a pattern in a vicinity of a feature point.4. The fingerprint processing method according to claim 1 , wherein the feature value comprises a description of a corresponding feature point claim 1 , a location of the feature point claim 1 , and an orientation or statistical features of a pattern in a vicinity of ...

IMAGE SENSOR AND SEMICONDUCTOR STRUCTURE

Present disclosure provides a pixel for receiving an incident light, the pixel including a semiconductor substrate, a photo diode in the semiconductor substrate, and a metasurface structure over the semiconductor substrate. The metasurface structure has a first side and a second side opposite to the first side, the first side of the metasurface structure facing the semiconductor substrate, the second side of the metasurface structure facing the incident light. The metasurface structure includes a plurality of trenches at the second side, wherein the plurality of trenches have a same profile from a cross-sectional view. 1. A pixel for receiving an incident light , comprising:a semiconductor substrate;a photo diode in the semiconductor substrate;a metasurface structure over the semiconductor substrate, the metasurface structure having a first side and a second side opposite to the first side, the first side of the metasurface structure facing the semiconductor substrate, the second side of the metasurface structure facing the incident light, and the metasurface structure comprise a plurality of trenches at the second side, wherein the plurality of trenches have a same profile from a cross-sectional view.2. The pixel of claim 1 , wherein each of the plurality of trenches is a tetragonal shape from the cross-sectional view.3. The pixel of claim 1 , wherein the plurality of trenches comprises a periodic structure having a pitch smaller than a wavelength of the incident light.4. The pixel of claim 3 , wherein a depth of each of the plurality of trenches is smaller than a wavelength of the incident light.5. The pixel of claim 2 , wherein the plurality of trenches comprises a linear arrangement from a top view.6. The pixel of claim 2 , wherein the plurality of trenches comprises a circular arrangement from a top view.7. The pixel of claim 1 , wherein the metasurface structure comprises materials different from the semiconductor substrate.8. The pixel of claim 7 , wherein ...

CAPACITANCE DETECTING SENSORS AND RELATED DEVICES AND SYSTEMS

Capacitance detecting circuit is disclosed for fingerprint sensing and other applications. The capacitance detecting circuit includes a first capacitor, an integrator, a second capacitor, a comparator, and a counter. The integrator can generate an integrating output voltage and includes a first single-ended amplifier and at least one integration capacitor. The first single-ended amplifier includes a first input terminal and an integrating output terminal. The comparator can generate a comparing output and include a negative input terminal coupled to the integrating output terminal of the first single-ended amplifier, a positive input terminal to receive a reference voltage, and a comparing output terminal to output the comparing output voltage. The counter is coupled to the comparing output terminal and can generate a counter output. A connection between the second capacitor and the first input terminal is controlled to be conducted or cutoff according to the comparing output. 1. A capacitance detecting circuit , comprising:a pixel sensing circuit that includes a sensing conducting layer that interfaces with an object to form a capacitance with the object;a first capacitor coupled to the pixel sensing circuit; [ an integrating output terminal configured to output the integrating output voltage, and', 'a first input terminal coupled to the first capacitor, and, 'a first single-ended amplifier, including, 'at least one integration capacitor coupled to the first input terminal; and, 'an integrator electrically coupled to the first capacitor and configured to generate an integrating output voltage, the integrator includinga comparator coupled to the integrating output terminal of the first single-ended amplifier and configured to generate a comparing output voltage indicative of the capacitance between the sensing conducting layer and the object.2. The capacitance detecting circuit of claim 1 , wherein the comparator includes:a negative input terminal coupled to the ...

ELECTRICAL CONNECTOR ASSEMBLY

An electrical connector assembly includes an electrical plug connector and an electrical receptacle connector corresponding to the electrical plug connector. The electrical plug connector includes a plug insulated housing as well as plug terminals and buckling portions on the plug insulated housing. The electrical receptacle connector includes a receptacle insulated housing as well as receptacle terminals and locking components on the receptacle insulated housing. The locking components at the two sides of the electrical receptacle connector are firmly buckled with the buckling portions at the two sides of the electrical plug connector. Therefore, during the use of the electrical connector assembly, the electrical plug connector can be prevented from detaching off the electrical receptacle connector. 1. An electrical connector assembly , comprising:an electrical plug connector comprising a plug insulated housing, a plurality of plug terminals, and a plurality of buckling portions, wherein the plug terminals are at the plug insulated housing, and the buckling portions are at two sides of the plug insulated housing; andan electrical receptacle connector comprising a receptacle insulated housing, a plurality of receptacle terminals, and a plurality of locking components, wherein the receptacle terminals are at the receptacle insulated housing and correspond to the plug terminals, and each of two sides of the receptacle insulated housing has a positioning portion; each of the locking components comprises a locking member and an elastic member; the locking member is pivotally connected to the positioning portion, the elastic member is at the positioning portion to push against the locking member, and each of the locking members of the electrical receptacle connector is buckled with a corresponding one of the buckling portions of the electrical plug connector.2. The electrical connector assembly according to claim 1 , wherein the electrical receptacle connector comprises ...

BOARD-TO-BOARD PLUG ELECTRICAL PLUG CONNECTOR, BOARD-TO-BOARD ELECTRICAL RECEPTACLE CONNECTOR, AND BOARD-TO-BOARD ELECTRICAL CONNECTOR ASSEMBLY

An electrical plug connector includes a plug insulated housing, first plug terminals, and second plug terminals. The plug insulated housing includes a bottom wall, a first side wall, a second side wall, and two end walls connected to the first side wall and the second side wall to enclose an insertion cavity. First plug-terminal assembling portions are on the first side wall. Second plug-terminal assembling portions are on the second side wall. The first plug-terminal assembling portions correspond to the second plug-terminal assembling portions in a one-to-one manner. The first plug terminals include one or more pair of first plug signal terminals. The second plug terminals include one or more pair of second plug signal terminals. The pair of the first plug signal terminals is shifted relative to the pair of the second plug signal terminals along a transversal direction. 1. An electrical plug connector , comprising:a plug insulated housing comprising a bottom wall, a first side wall, a second side wall, and two end walls, wherein the first side wall and the second side wall are upwardly extending from two transversal sides of the bottom wall, respectively, the two end walls are upwardly extending from two longitudinal sides of the bottom wall, respectively, the first side wall corresponds to the second side wall, the two end walls are respectively connected to the first side wall and the second side wall to enclose an insertion cavity, wherein a plurality of first plug-terminal assembling portions is on the first side wall, a plurality of second plug-terminal assembling portions is on the second side wall, and the first plug-terminal assembling portions correspond to the second plug-terminal assembling portions in a one-to-one manner in a longitudinal direction parallel to the end walls;a plurality of first plug terminals each assembled on one of the first plug-terminal assembling portions, wherein the first plug terminals comprise at least one pair of first plug ...

BOARD-TO-BOARD CONNECTOR AND BOARD-TO-BOARD CONNECTOR ASSEMBLY

The disclosure relates to a board-to-board connector including a body, multiple terminals and a pair of metal fittings. The body has an accommodating recess. The terminal is disposed on the body and a portion of each of the terminals extends to the accommodating recess. The metal fittings are disposed on the body and beside the accommodating recess. The terminals are located between metal fittings. Each of the metal fittings has at least one limiting portion that extends to the accommodating recess. The limiting portion leans against a corner of the accommodating recess so that the metal fittings and the body generate a two-dimensional limitation. A board-to-board connector assembly is also provided. 1. A board-to-board connector , comprising:a body having an accommodating recess;a plurality of terminals disposed on the body, a portion of each of the terminals extending to the accommodating recess; anda pair of metal fittings disposed on the body and located beside the accommodating recess with the terminals located between the pair of metal fittings, each of the metal fittings having at least one limiting portion extending to the accommodating recess, wherein the limiting portion leans against a corner of the accommodating recess so that the metal fittings and the body generate a two-dimensional limitation.2. The board-to-board connector according to claim 1 , wherein the board-to-board connector is a receptacle connector claim 1 , the body further has an island structure claim 1 , the accommodating recess surrounds the island structure claim 1 , and each of the metal fittings has a pair of limiting portions respectively located in two adjacent corners of the accommodating recess and corresponding to the island structure across the accommodating recess.3. The board-to-board connector according to claim 1 , wherein each of the metal fittings has a side plate and a pair of wing plates extending from the side plate claim 1 , and the limiting portion is located between ...

Capacitance Sensing Circuit and Fingerprint Identification System

The present application provides a capacitance sensing circuit, comprising an integrating circuit, comprising an integrating input terminal, coupled to the touch capacitance, wherein the integrating input terminal receives an input voltage; and an integrating output terminal, configured to output an output voltage; a comparator; a positive digital-to-analog (DA) converting unit; a negative DA converting unit; a control circuit, configured to control the positive DA converting unit and the negative DA converting unit; and a logic circuit, configured to output an output code, wherein the output code is related to a capacitance of the touch capacitance. 1. A capacitance sensing circuit , configured to sense a touch capacitance , the capacitance sensing circuit comprising: an integrating input terminal, coupled to the touch capacitance, wherein the integrating input terminal receives an input voltage; and', 'an integrating output terminal, configured to output an output voltage;, 'an integrating circuit, comprising a first input terminal, coupled to the integrating output terminal; and', 'a second input terminal, configured to receive a reference voltage;, 'a comparator, comprisinga positive digital-to-analog (DA) converting unit, coupled to the integrating input terminal;a negative DA converting unit, coupled to the integrating input terminal;a control circuit, coupled to a comparing output terminal of the comparator, configured to control the positive DA converting unit and the negative DA converting unit; anda logic circuit, coupled to the comparing output terminal, configured to generate a first code within an integrating interval and generate a second code within a comparing interval, wherein the logic circuit outputs an output code according to the first code and the second code, and the output code is related to a capacitance of the touch capacitance.2. The capacitance sensing circuit as claim 1 , wherein the positive DA converting unit comprises:a plurality of ...

PROCESSING METHOD AND SYSTEM FOR FINGERPRINT SENSING SIGNAL AND FINGERPRINT RECOGNITION TERMINAL

The present invention relates to the field of fingerprint identification technologies, and provides a method and a system for processing fingerprint sensing signals, and a fingerprint identification terminal. The method includes a frequency mixing step by mixing a collected high frequency fingerprint sensing signal with a first high frequency signal to obtain a low frequency signal; and an amplification step by amplifying the low frequency signal. By using the character that capacitance impedance is inversely proportional to signal frequency, the present invention shifts a fingerprint sensing signal with a high frequency into a signal with a low frequency through frequency spectrum shifting and performs signal amplification on the signal with a low frequency, which can overcome the difficulty in amplifying the high frequency fingerprint sensing signal and thus improves the signal-to-noise ratio SNR. 1. A method for processing fingerprint sensing signals , the method comprising:mixing a collected high frequency fingerprint sensing signal with a first high frequency signal to obtain a low frequency signal; andamplifying the low frequency signal.2. The method according to claim 1 , wherein before the frequency mixing step the method further comprises:converting a collected high frequency fingerprint sensing signal in a voltage form into a high frequency fingerprint sensing signal in a current form; andperforming the frequency mixing step based on the high frequency fingerprint sensing signal in a current form.3. A system for processing fingerprint sensing signals claim 1 , the system comprising:a frequency mixer configured to mix a collected high frequency fingerprint sensing signal with a first high frequency signal to obtain a low frequency signal; anda capacitive feedback amplifier configured to perform amplification of the low frequency signal, wherein an inverting input end of the capacitive feedback amplifier is connected to an output end of the frequency mixer, ...

Method of Maintaining a Connection and Electronic Apparatus Using the Same

A method of maintaining a network connection is used between an electronic apparatus and a server. The method includes the following steps: (a) sending an Nth test packet to the server, and the Nth test packet requests that the server reply to the electronic apparatus after waiting for an Nth time interval; (b) determining whether a reply for the Nth test package is received; (c) repeating step (a) if the reply for the Nth test packet is received; and calculating a period from the (N−1)th test packet being sent to the reply from the server being received if the reply for the Nth test packet is not received; and (d) sending a keep-alive packet periodically to the server according to the period for maintaining a connection between the electronic apparatus and the server when the electronic apparatus is switched to a standby/sleep mode. 1. A method of maintaining a network connection , applied to an electronic apparatus , wherein the electronic apparatus comprises a test module , used for maintaining a connection between the electronic apparatus and a server , the method comprising:(a) via the test module, actively sending an Nth test packet to the server, and the Nth test packet requests that the server reply to the electronic apparatus after waiting for an Nth time interval, wherein N is a positive integer;(b) via the test module, determining whether a reply for the Nth test packet is received, wherein the reply is sent by the server;(c) repeating step (a) if the reply for the Nth test packet is received, and calculating a time from an (N−1)th test packet being sent to the reply from the server being received as a period via the test module, if the reply for the Nth test packet is not received; and(d) sending a keep-alive packet to the server according to the period for maintaining a connection between the electronic apparatus and the server when the electronic apparatus is switched to a standby/sleep mode.2. The method of maintaining a network connection as claimed ...

Method of Maintaining a Connection and Electronic Apparatus Using the Same

A method of maintaining a network connection is used between an electronic apparatus and a server. The method includes the following steps: (a) sending an Nth test packet to the server, and the Nth test packet requests that the server reply to the electronic apparatus after waiting for an Nth time interval; (b) determining whether a reply for the Nth test package is received; (c) repeating step (a) if the reply for the Nth test packet is received; and calculating a period from the (N−1)th test packet being sent to the reply from the server being received if the reply for the Nth test packet is not received; and (d) sending a keep-alive packet periodically to the server according to the period for maintaining a connection between the electronic apparatus and the server when the electronic apparatus is switched to a standby/sleep mode.

POINT CLOUD REGISTRATION FOR LIDAR LABELING

The subject disclosure relates to techniques for detecting an object. A process of the disclosed technology can include steps for receiving three-dimensional (3D) Light Detection and Ranging (LiDAR) data of the object at a first time, generating a first point cloud based on the 3D LiDAR data at the first time, receiving 3D LiDAR data of the object at a second time, generating a second point cloud based on the 3D LiDAR data at the second time, aggregating the first point cloud and the second point cloud to form an aggregated point cloud, and placing a bounding box around the aggregated point cloud. Systems and machine-readable media are also provided. 1. A computer-implemented method for detecting an object , the method comprising:receiving three-dimensional (3D) Light Detection and Ranging (LiDAR) data of the object at a first time;generating a first point cloud based on the 3D LiDAR data at the first time;receiving 3D LiDAR data of the object at a second time;generating a second point cloud based on the 3D LiDAR data at the second time;aggregating the first point cloud and the second point cloud to form an aggregated point cloud; andplacing a bounding box around the aggregated point cloud.2. The computer-implemented method of claim 1 , wherein the first point cloud and the second point cloud define different portions of the object.3. The computer-implemented method of claim 1 , further comprising utilizing a Gaussian mixture model to determine the first point cloud and the second point cloud.4. The computer-implemented method of claim 3 , wherein the Gaussian mixture model includes utilizing a generalized iterative closest point model to determine the first point cloud and the second point cloud.5. The computer-implemented method of claim 1 , further comprising receiving a user input including an indication of whether the bounding box is accurately placed around the aggregated point cloud.6. The computer-implemented method of claim 1 , further comprising:placing a ...

Electrical Connector Assembly

The invention relates to an electrical connector assembly comprising a first connector and a second connector. The first connector comprises a first insulating body and first terminals. The first insulating body comprises an inserting wall. The first terminal comprises a U-shaped segment fixed to the inserting wall and a first soldering foot. Two outer surfaces of the U-shaped segment respectively comprise a coupling part. The second connector comprises a second insulating body and second terminals. The second insulating body comprises a receiving trough, separating plates, and separating troughs. The receiving trough matches the inserting wall. The separating plate comprises a first chamfer and a second chamfer. The second terminal comprises a pair of elastic arms, a main arm, and a second soldering foot. The pair of elastic arms is fixed in the receiving trough and matches the U-shaped segment. The main arm is disposed in the separating trough. 1. An electrical connector assembly comprising: a first insulating body comprising an inserting wall; and', 'a plurality of first terminals lined along the first insulating body, wherein the first terminal comprises a U-shaped segment and a first soldering foot, the U-shaped segment is fixed to the inserting wall, two outer surfaces of the U-shaped segment opposite each other and facing outward respectively comprise a coupling part, and the first soldering foot extends away from the inserting wall; and, 'a first connector comprising a second insulating body comprising a receiving trough and a plurality of separating plates, wherein the receiving trough matches the inserting wall and is formed on a front surface of the second insulating body, the separating plates are disposed on a back surface of the second insulating body, and every two adjacent separating plates form a separating trough, wherein the separating plate comprises a first chamfer adjacent to the separating trough and a second chamfer adjacent to a side of the ...

Pixel Circuit and Image Sensing System

The present application provides a pixel circuit, applied in an image sensing system. The pixel circuit is coupled to a first collection node and a second collection node. The pixel circuit includes a first capacitor; a second capacitor; a first shutter switch coupled between the first capacitor and the first collection node; a second shutter switch coupled between the second capacitor and the second collection node; a third shutter switch coupled between the second capacitor and the first collection node; a fourth shutter switch coupled between the first capacitor and the second collection node; and a common mode reset module coupled to the first capacitor and the second capacitor. 1. A pixel circuit , applied in an image sensing system , wherein the pixel circuit is coupled to a first collection node and a second collection node , characterized in that , the pixel circuit comprises: a first capacitor, with a first terminal and a second terminal;', 'a first shutter switch, coupled between the first terminal and the first collection node;', 'a second shutter switch, coupled between the second terminal and the first collection node;', 'a third shutter switch, with a terminal coupled to the second terminal, and another terminal receiving a voltage; and', 'a fourth shutter switch, with a terminal coupled to the first terminal, and another terminal receiving the voltage; and, 'a first alternative charging module, comprising a second capacitor, with a third terminal and a fourth terminal;', 'a fifth shutter switch, coupled between the third terminal and the second collection node;', 'a sixth shutter switch, coupled between the fourth terminal and the second collection node;', 'a seventh shutter switch, with a terminal coupled to the fourth terminal, and another terminal receiving the voltage; and', 'an eighth shutter switch, with a terminal coupled to the third terminal, and another terminal receiving the voltage., 'a second alternative charging module, comprising2. The ...

Electronic Device

The present invention provides an electronic device comprising an operating circuit, wherein when the electronic device is in a sleep mode, the operating circuit is temporarily off; a display panel, comprising a light-emitting region; a plurality of fingerprint sensing pixel units, disposed within the light-emitting region; and a fingerprint recognition circuit, coupled to the plurality of fingerprint sensing pixel units; wherein when the electronic device is in the sleep mode, the display panel emits light from the light-emitting region, and the display panel does not emit light except other than the light-emitting region. 1. An electronic device , characterized by comprising:an operating circuit, wherein when the electronic device is in a sleep mode, the operating circuit is temporarily off;a display panel, comprising a light-emitting region;a plurality of fingerprint sensing pixel units, disposed within the light-emitting region; anda fingerprint recognition circuit, coupled to the plurality of fingerprint sensing pixel units;wherein when the electronic device is in the sleep mode, the display panel emits light from the light-emitting region, and the display panel does not emit light other than the light-emitting region.2. The electronic device of claim 1 , characterized in that claim 1 , the display panel comprises a plurality of displaying pixel components claim 1 , and the plurality of first displaying pixel components of the plurality of displaying pixel components is disposed inside the light-emitting region.3. The electronic device of claim 2 , characterized in that claim 2 , when the electronic device is in the sleep mode claim 2 , the plurality of first displaying pixel components inside the light-emitting region emit light claim 2 , and the rest of the displaying pixel components do not emit light.4. The electronic device of claim 2 , characterized by further comprising:a first power supply circuit, coupled to the plurality of first displaying pixel ...

Square Wave Generating Method and Square Wave Generating Circuit

The present application provides a square wave generating method, applied in a square wave generating circuit, configured to generate a mimetic square wave signal, wherein the square wave generating circuit has a breakdown voltage. The square wave generating method comprises the square wave generating circuit generating the mimetic square wave signal as a first voltage during a first time interval; the square wave generating circuit generating the mimetic square wave signal as a second voltage during a second time interval; and the square wave generating circuit generating the mimetic square wave signal as a transient voltage during a transient interval between the first time interval and the second time interval, wherein the transient voltage is between the first voltage and the second voltage; wherein a first voltage difference between the first voltage and the second voltage is greater than the breakdown voltage. 1. A square wave generating method , applied in a square wave generating circuit , configured to generate a mimetic square wave signal , wherein the square wave generating circuit has a breakdown voltage , wherein the square wave generating method comprises:generating, by the square wave generating circuit, the mimetic square wave signal comprising a first voltage during a first time interval;generating, by the square wave generating circuit, the mimetic square wave signal comprising a second voltage during a second time interval; andgenerating, by the square wave generating circuit, the mimetic square wave signal comprising a transient voltage during a transient interval between the first time interval and the second time interval, wherein the transient voltage is between the first voltage and the second voltage, and the transient interval is smaller than the first time interval and the second time interval;wherein a first voltage difference is formed between the first voltage and the second voltage, and the first voltage difference is greater than the ...

Three-Dimensional (3D) Image System and Electronic Device

The present application provides a three-dimensional (3D) image system, comprising a structural light module, configured to emit a structural light, wherein the structural light module comprises a first light-emitting unit, the first light-emitting unit receives a first pulse signal and emits a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength; and a light-sensing pixel array, configured to receive a reflected light corresponding to the structural light. 1. A three-dimensional (3D) image system , characterized by , comprising: a pulse signal generator configured to generate a first pulsed signal; and', 'a first light-emitting unit, wherein the first light-emitting unit configured to receive the first pulse signal and emit a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength., 'a structural light module, configured to emit a structural light, wherein the structural light module comprises2. The 3D image system as claim 1 , characterized in that claim 1 , the duty cycle of the first pulse signal is less than 1/50.3. The 3D image system as claim 1 , characterized in that claim 1 , the emission power of the first light-emitting unit is greater than 4 watts.4. The 3D image system as claim 1 , characterized in that claim 1 , the structural light module comprises at least a second light-emitting unit claim 1 , the at least a second light-emitting unit receives at least a second pulse signal and emits at least a second light according to the at least a second pulse signal claim 1 , at least a duty cycle of the at least a second pulse signal is less than the specific value claim 1 , an ...

Touch System and Power Supply Circuit thereof

The present application provides a power supply circuit, including a high voltage circuit, for providing a high voltage signal; and a first level shifter, connected to the high voltage circuit, for transforming a level of a first signal transmitted from a touch module to the power supply circuit, and transforming the first signal from a signal ground domain into a ground domain; and a second level shifter, connected to the high voltage circuit, for transforming a level of a second signal between the touch module and a host system, and transforming the second signal from the signal ground domain into the ground domain, and then from the ground domain into the signal ground domain. The power supply circuit provided by the present application is capable of transforming the signal between the touch module and the host system, improving the SNR of the touch module, and decreasing the manufacturing cost.

QUICK LOCK CONNECTOR ASSEMBLY

A quick lock connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals, an outer casing and a locking lever. The locking lever is mounted pivotally on the outer casing and has two locking pins. The male connector is engaged detachably with the female connector and has a second insulative housing and multiple second terminals. The second insulative housing has two locking recesses selectively engaged respectively with the locking pins. The locking lever is able to quickly lock the male connector on the female connector. 1. A quick lock connector assembly comprising: a first insulative housing having two opposite first edges, two opposite second edges, and a socket hole defined in a top of the first insulative housing;', 'multiple first terminals mounted in the socket hole;', 'an outer casing mounted on the first insulative housing and having two opposite first sides and two opposite second sides; and', 'a locking lever mounted pivotally through the first sides of the outer casing and through the first edges of the first insulative housing and having two locking pins;, 'a female connector having'} a second insulative housing mounted detachably in the socket hole of the first insulative housing and having two opposite first sidewalls, two opposite second sidewalls, and two locking recesses defined respectively in the first sidewalls and selectively engaged respectively with the locking pins of the locking lever; and', 'multiple second terminals mounted in the second insulative housing and selectively and respectively contacting the first terminals; and, 'a male connector engaged detachably with the female connector and having'}wherein when the male connector is engaged with the female connector with the second insulative housing mounted in the socket hole of the first insulative housing, disengaging the locking pins respectively from the locking recesses makes the second insulative ...

Touch Device and Touch Display System

The present application provides a touch device, including a touch circuit, connected to a panel device and generating a signal according to a touch on the panel device by an external object, wherein the touch circuit takes a reference signal provided by the panel device as a signal source of a ground terminal; a power supply circuit, connected to the touch circuit, for providing power for the touch circuit; and a host system, connected to the touch circuit, for receiving the signal from the touch circuit. The touch display system provided by the present application has advantages of capable of eliminating the noises from the panel device and improving the signal quality of the touch circuit.

Method and System for Near Field Communication of Electronic Device

A method and a system for near field communication of an electronic device are disclosed. The method comprises: communicating frequency points at which the two parties suffer from interference with a second electronic device through a scanning frame, wherein the scanning frame comprises at least two symbols modulated by using different frequencies; and determining a modulation manner according to the available frequency points in order to perform data transmission with the second electronic device. With the embodiment of the present invention, interference frequencies in the communication environment are detected by sending the scanning frame which comprises at least two symbols modulated by using different frequencies, and frequency points with smaller interference are selected for adaptation modulation data, thus the interference frequency points are shielded from data transmission, and external interference in the near field communication is avoid, and communication stability is improved, and communication quality is improved.

MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) TERMINAL STRUCTURE OF BOARD-TO-BOARD ELECTRICAL CONNECTOR AND MANUFACTURING METHOD THEREOF

A micro-electro-mechanical systems (MEMS) terminal structure of board-to-board electrical connector and manufacturing method thereof are provided. The terminal of the terminal structure includes a side arm, a bent portion, and a flexible arm integrally formed as one component. The flexible arm includes a first portion and a second portion. The first portion and the side arm form an insertion space. The second portion and the side arm form a locking space. The second portion of the flexible arm has a contact portion. The insertion space is greater than the locking space. The terminal has curved and locking features to extend the moment arm of the terminal for improving the terminal flexibility. The terminal contacts a mating terminal through multiple points, thereby improving the contact stability and providing the locking function. Furthermore, by using the MEMS techniques for semiconductor industries, the terminal of micro board-to-board electrical connector can be manufactured. 1. A micro-electro-mechanical systems (MEMS) terminal structure of board-to-board electrical connector , the terminal structure comprising:a terminal assembled on a surface of a first plate member, wherein the terminal comprises a side arm in which a portion of the side arm is spaced from the surface of the first plate member by a distance, a bent portion formed on a first end of the side arm, and a flexible arm formed on an end portion of the bent portion and located at a side portion of the side arm, wherein the flexible arm comprises a first portion and a second portion, the first portion and the side arm form an insertion space, the second portion and the side arm form a locking space, the second portion of the flexible arm has a contact portion, and the insertion space is greater than the locking space.2. The MEMS terminal structure according to claim 1 , further comprising a columnar terminal claim 1 , assembled on a second plate member for mating with the terminal claim 1 , wherein a ...

Fingerprint identification system

The disclosure provides a fingerprint identification system, which is formed in an integrated circuit. The fingerprint identification system includes: a pixel array circuit; a first peripheral top electrode; a first capacitive sensing circuit for sensing a capacitance associated with the first peripheral top electrode in a sleep mode and for generating a sensing result; and a logic control circuit for generating the control signal according to the sensing result. When the sensing result shows that the first peripheral top electrode is touched by a finger, the control signal is generated by the logic control circuit so that the pixel array circuit is switched from the sleep mode to the normal operation mode.

CAPACITIVE SENSING SYSTEM AND METHOD FOR VOLTAGE CALIBRATION OF THE SAME

A capacitive sensing system is provided, which includes: a pixel matrix for sensing a plurality of voltage variations generated by pressing of a fingerprint; and a calibration unit coupled to the pixel matrix and used for calibrating the plurality of voltage variation of the pixel matrix according to a control signal generated based on the plurality of voltage variations. The capacitive sensing system according to the present disclosure has advantages of improving the consistency of the voltage variations detected by the pixel units and reducing the occurrence of distortion. 1. A capacitive sensing system , comprising:a pixel matrix, arranged for sensing a plurality of voltage variations generated by pressing of a fingerprint; anda calibration unit, coupled to the pixel matrix, the calibration unit being used for calibrating the plurality of voltage variations of the pixel matrix according to a control signal generated based on the plurality of voltage variations.2. The capacitive sensing system of claim 1 , wherein the capacitive sensing system further comprises:an analog-to-digital converter, coupled to the pixel matrix, the analog-to-digital converter being used for converting the plurality of voltage variations into a plurality of original pixel data values; anda control unit, coupled to the analog-to-digital converter, the control unit being used for generating the control signal based on the plurality of original pixel data values.3. The capacitive sensing system of claim 2 , wherein the pixel matrix comprises a plurality of pixel units claim 2 , and the plurality of pixel units correspond to the plurality of voltage variations respectively.4. The capacitive sensing system of claim 2 , wherein the calibration unit is a variable resistor which is used for generating a calibration voltage according to the control signal claim 2 , so as to adjust the plurality of voltage variations.5. The capacitive sensing system of claim 1 , wherein when a first original pixel ...

BOARD-TO-BOARD ELECTRICAL CONNECTOR

A first connector and a second connector are provided. The first connector includes an insulated body, first terminals, and fastening members. The first terminals and the fastening members are on the insulated body. The second connector includes an insulated base, second terminals, and positioning members. The fastening member has a first side plate and a second side plate formed as a stair structure for protecting the insulated body. 1. A first connector , comprising:an insulated body comprising a pair of first side walls and a pair of first end walls, wherein the pair of first side walls and the pair of first end walls are enclosed to form a first connection space, and an outer surface of each of the first side walls comprises a first side surface and a second side surface, wherein a position of the second side surface is different from a position of the first side surface;a plurality of first terminals held in the pair of first side walls; and a first covering plate, wherein each of the first covering plates is held in an outer surface of each of the first end walls, and an end top plate extends from each of the first covering plates and covers a top portion of each of the first end walls;', 'a plurality of first side plates, wherein the first side plates bend and extend from two sides of the end top plate of each of the first covering plates toward the first side surfaces; and', 'a plurality of second side plates, wherein the second side plates bend and extend from the two sides of the end top plate of each of the first covering plates toward the second side surfaces., 'a plurality of fastening members, wherein each of the fastening members comprises2. The first connector according to claim 1 , wherein a width between two opposite of the first side surfaces of the pair of first side walls is greater than a width between two opposite of the second side surfaces of the pair of first side walls.3. The first connector according to claim 2 , wherein a width between ...

Board-to-board connector

A first connector and a second connector are provided. The first connector includes an insulated body, first terminals, and fastening members. The first terminals and the fastening members are on the insulated body. The second connector includes an insulated base, second terminals, and positioning members. The second terminals and the positioning members are on the insulated base. The fastening members and the positioning members are enclosing structures covering the insulated body of the first connector and the insulated base of the second connector, respectively. The fastening members and the positioning members provide multi-point contacts.

FLEXIBLE CIRCUIT BOARD

A flexible circuit board including at least two electrical conducting layers, at least two non-electrical conducting layers, and at least one adhesion layer is provided. The non-electrical conducting layers are disposed between the electrical conducting layers. The non-electrical conducting layers are adhered together via the adhesion layer. A sum of thickness of the non-electrical conducting layers is greater than 4 mil, and there is no electrical conducting layer sandwiched between the at least two non-electrical conducting layers. 1. A flexible circuit board , comprising:at least two electrical conducting layers;at least two non-electrical conducting layers, disposed between the at least two electrical conducting layers; andat least one adhesion layer, the at least two non-electrical conducting layers being adhered together via the at least one adhesion layer, wherein a sum of thickness of the at least two non-electrical conducting layers is greater than 4 mil, and there is no electrical conducting layer sandwiched between the at least two non-electrical conducting layers.2. The flexible circuit board according to claim 1 , wherein the at least two non-electrical conducting layers comprise at least one material.3. The flexible circuit board according to claim 1 , wherein the at least two non-electrical conducting layers comprise at least one of polyimide (PI) claim 1 , modified polyimide (modified PI) claim 1 , polyimide stiffener (PI stiffener) and liquid crystal polymer (LCP).4. The flexible circuit board according to claim 1 , wherein the electrical conducting layer and the non-electrical conducting layer located on the same side of the adhesive layer are a flexible copper clad laminate (FCCL).5. The flexible circuit board according to claim 1 , wherein the number of the at least two non-electrical conducting layers is greater than or equal to the number of the at least two electrical conducting layers.6. The flexible circuit board according to claim 1 , ...

BOARD-TO-BOARD CONNECTOR ASSEMBLY

A board-to-board connector assembly includes a receptacle connector and a plug connector mated with each other. The receptacle connector includes a first body, first terminals and a pair of first metal members. The first body includes an island structure and a first receiving slot surrounding the island structure. The first terminals are respectively disposed on a first side and a second side of the first receiving slot, the first and second sides being opposite to each other. The first metal members are respectively disposed on a third side and a fourth side of the first receiving slot, the third and fourth sides being opposite to each other. The first metal member includes a base extending to a bottom on the third side or a bottom on the fourth side, and a pair of first elastic arms extending from the base and facing away from each other. 1. A board-to-board connector assembly , comprising: a first body, comprising an island structure and a first receiving slot surrounding the island structure;', 'a plurality of first terminals, respectively disposed on a first side and a second side of the first receiving slot, wherein the first side and the second side are opposite to each other; and, 'a receptacle connector, comprisinga pair of first metal members, respectively disposed on a third side and a fourth side of the first receiving slot, wherein the third side and the fourth side are opposite to each other, wherein the first metal member comprises a base extending to a bottom on the third side or a bottom on the fourth side, and a pair of first elastic arms extending from the base and facing away from each other; anda plug connector, configured to be mated with the receptacle connector.2. The board-to-board connector assembly according to claim 1 , wherein the first elastic arms and a part of each of the first terminals are aligned collinearly.3. The board-to-board connector assembly according to claim 1 , wherein each of the first elastic arms is a power terminal of ...

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

Methods for base-level detection of methylation in nucleic acids

The invention includes improved methods and compositions for detecting methylation in nucleic acids. In particular, the disclosure is directed to methods of converting 5-hydroxymethyl cytosine (5hmC) and/or 5-methylcytosine (5mC) to Thymine (T). In addition, the disclosure is also directed to methods of detecting 5hmC and/or 5mC in a sample.

Non-server type voice packet communication device and method

The invention discloses a non-server type voice packet communication method, which includes an IP address-inquiring step, an IP address receiving step and a voice packet-transmitting step. According to the method, the IP address-inquiring step firstly transmits an IP address-inquiring signal to a non-server type voice packet communication device using dial tones through a PSTN. Then, the IP address-receiving step receives from PSTN an IP address data transmitted from the non-server type voice packet communication device using dial tones. Finally, the voice packet-transmitting step transmits voice packets to the non-server type voice packet communication device according to the IP address data through digital network.

Fingerprint recognition system

Data recovery system and method thereof

A data recovery system and method is disclosed. Said data recovery system comprises a maximum-likelihood detector, a non-maximum likelihood detector, signal-length calculator, a determining unit and a selecting unit. The maximum-likelihood detector transforms a digital signal into a first binary signal. The non-maximum likelihood detector transforms the digital signal into a second binary signal. The signal-length calculator calculates a length of the first binary signal and a length of one previous to the first binary signal. The determining unit generates a selecting signal when the length of the first binary signal and the length of one previous to the first binary signal meet a criterion. The selecting unit coupled to the maximum-likelihood detector and the non-maximum likelihood detector, selectively outputs the first binary signal or the second binary signal based on the selecting signal.

Sulfonated diarylrhodamine dyes as fluorescent labels

Sulfonated diarylrhodamine compounds are useful as fluorescent labels of nucleosides, nucleotides, polynucleotides, and polypeptides. The compounds find particular application in the area of fluorescent nucleic acid analysis, e.g., automated DNA sequencing and fragment analysis, detection of probe hybridization in hybridization arrays, detection of nucleic acid amplification products, and the like.

Feedback method of virtual input device and electronic device using the same

Fingerprint identification system

The disclosure provides a fingerprint identification system, which is formed in an integrated circuit. The fingerprint identification system includes: a pixel array circuit; a first peripheral top electrode; a first capacitive sensing circuit for sensing a capacitance associated with the first peripheral top electrode in a sleep mode and for generating a sensing result; and a logic control circuit for generating the control signal according to the sensing result. When the sensing result shows that the first peripheral top electrode is touched by a finger, the control signal is generated by the logic control circuit so that the pixel array circuit is switched from the sleep mode to the normal operation mode.

Tagged multi-nucleotides useful for nucleic acid sequencing

The present disclosure relates to tagged multi-nucleotide compounds, which comprise a single tag moiety covalently linked to a plurality of nucleoside-5'-oligophosphate moieties. As disclosed herein, these tagged multi-nucleotide compounds have improved characteristics as polymerase substrates and can be used in a range of nucleic acid detection and sequencing methods, including nanopore sequencing-by-synthesis.

Pixel circuit and image sensing system

Fluorescent nucleobase conjugates having anionic linkers

Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequenci ng using labeled terminators.

Improved structure of board-to-board connectors

Method for clearing bank notes in electronic game machines

A method for clearing bank notes in electronic game machines includes a plurality of machines each having a bank note box. The method includes providing a control system linking to the machines. The control system regularly or passively receives commands to make the machines in a waiting state for bank note clearing operation, and also detects whether the bank note box is opened and bank notes taken by operators. In the event that the bank note box is opened, the control system requests the machine to send the registered bank note amount and stores the sent bank note amount. The control system detects whether all the machines have sent the bank note amount and presents a bank note clearing operation finished message. Operators enter the actual bank note clearing value manually after getting the bank note clearing operation finished message, and a correct bank note clearing result can be generated.

Read channel apparatus for an optical storage system

A read channel apparatus is disclosed for reading data recorded on an optical storage system. An exemplary sampling device samples an analog read signal generating from the optical storage system to generate a sequence of sample values. A subtractor subtracts an estimated DC offset from the sample values to generate a sequence of DC-removed sample values. An equalizer equalizes DC-removed sample values in accordance with a target spectrum to generate a sequence of equalized sample values. First and second interpolators interpolate the equalized sample values to respectively generate sequences of even-time sample values and odd-time sample values. A data sequence composed of the even-time and the odd-time sample values is substantially synchronized to the baud rate. A timing recovery controller controls the interpolators to synchronize the even-time and odd-time sample values to the baud rate.

Electric connector

Touch device and touch display system

The present application provides a touch device, including a touch circuit, connected to a panel device and generating a signal according to a touch on the panel device by an external object, wherein the touch circuit takes a reference signal provided by the panel device as a signal source of a ground terminal; a power supply circuit, connected to the touch circuit, for providing power for the touch circuit; and a host system, connected to the touch circuit, for receiving the signal from the touch circuit. The touch display system provided by the present application has advantages of capable of eliminating the noises from the panel device and improving the signal quality of the touch circuit.

Capacitance sensing circuit and fingerprint identification system

The present application provides a capacitance sensing circuit, comprising an integrating circuit, comprising an integrating input terminal, coupled to the touch capacitance , wherein the integrating input terminal receives an input voltage; and an integrating output terminal, configured to output an output voltage; a comparator ; a positive digital-to-analog (DA) converting unit; a negative DA converting unit; a control circuit, configured to control the positive DA converting unit and the negative DA converting unit; and a logic circuit, configured to output an output code, wherein the output code is related to a capacitance of the touch capacitance.

Bicomponent tissue and seedling culture bottle

A bicomponent tissue and seedling culture bottle includes an upper cover portion having an opening facing downward, and a lower container portion having a closed base and suitable for fitly but detachably connecting to the downward opening of the upper cover portion, characterized in that, a T-shaped air vent consisting of a vertical air passage centered at a top portion of the upper cover and two horizontal air passages symmetrically located at and extending from two opposite sides of the vertical air passage to be communicable with the outside air, so that air or gas produced in the culture bottle during the culture process can escape from the air vent and germs or viruses can be prevented from entering into the culture bottle when the seedlings are matured and/or are transplanted and the survival percent of the bottle cultured seedlings can be raised.

Sulfonated diarylrhodamine dyes

Tagged multi-nucleotides useful for nucleic acid sequencing

Data recovery system and method

Capacitance interpretation circuit and fingerprint recognition system

The present invention provides a capacitance determining circuit comprising a touched layer configured to receive a touch from a finger; a shielding layer disposed under the touched layer, wherein a parasitic capacitance is formed between the shielding layer and the touched layer; a driving circuit coupled to the touched layer and the shielding layer, configured to provide a first voltage to the touched layer and the shielding layer at a first time; a sensing circuit electrically connected to the touched layer, configured to sense the touch capacitance at a second time; and a first switch with a terminal electrically connected to the shielding layer and another terminal electrically connected to the driving circuit or the touched layer. The capacitance determining circuit and the fingerprint recognition system provided by the present invention is capable of eliminating parasitic capacitance effect and enhancing accuracy and performance of capacitance sensing and fingerprint recognition.

Compositions that reduce template threading into a nanopore

This application discloses compositions comprising primer compounds that reduce or block deleterious threading into a nanopore of nucleic acid strands displaced by a nanopore-linked polymerase, for example during the use of a nanopore device for nucleic acid sequencing. Also disclosed are methods for using the compositions to reduce deleterious threading events during nanopore-based nucleic acid detection techniques, such as nanopore sequencing.

Phase detection devices and methods thereof

Apparatus of maximum likelihood signal detection

An apparatus for maximum likelihood signal detection comprises a reference data unit, a branch metric unit, an add-compare-select unit, a path metric unit and a path memory, and is used for detecting maximum likelihood signal. The reference information unit, the branch metric unit, the add-compare-select unit or the path metric unit can further comprise a multiplexer to removing unnecessary paths according to a control signal. The control signal is adjusted according to channel response, coding constraint or channel memory length.

Imaging system, and pixel array and image sensor thereof

Channel bit detection system

A channel bit detection system is provided. The channel bit detection system includes an RF front end, an analog-to-digital converter, a combiner, a length estimator, a length accumulator, an offset control, and a channel bit detector. The RF front end receives an RF signal, and is then digitized at a sampling rate R into a plurality of samples by the analog-to-digital converter. The combiner produces combined samples by shifting the plurality of samples an offset value. The length estimator estimates a length of each two consecutive combined samples. The length accumulator produces land lengths and pit lengths of the combined samples according to length of each two consecutive combined samples. The offset control provides the offset value according to the land lengths and the pits lengths. The channel bit detector recovers the channel bit from the plurality of combined samples.

Capacitance determining circuit and fingerprint recognition system

The present invention provides a capacitance determining circuit comprising a touched layer configured to receive a touch from a finger; a shielding layer disposed under the touched layer, wherein a parasitic capacitance is formed between the shielding layer and the touched layer; a driving circuit coupled to the touched layer and the shielding layer, configured to provide a first voltage to the touched layer and the shielding layer at a first time; a sensing circuit electrically connected to the touched layer, configured to sense the touch capacitance at a second time; and a first switch with a terminal electrically connected to the shielding layer and another terminal electrically connected to the driving circuit or the touched layer. The capacitance determining circuit and the fingerprint recognition system provided by the present invention is capable of eliminating parasitic capacitance effect and enhancing accuracy and performance of capacitance sensing and fingerprint recognition.

Image sensor and method for manufacturing same, chip, and handheld apparatus

Pixel circuit and image sensing system

The present application provides a pixel circuit, applied in an image sensing system. The pixel circuit is coupled to a first collection node and a second collection node. The pixel circuit includes a first capacitor; a second capacitor; a first shutter switch coupled between the first capacitor and the first collection node; a second shutter switch coupled between the second capacitor and the second collection node; a third shutter switch coupled between the second capacitor and the first collection node; a fourth shutter switch coupled between the first capacitor and the second collection node; and a common mode reset module coupled to the first capacitor and the second capacitor.

Fluorescent nucleobase conjugates having anionic linkers

Frequency divider, frequency dividing method thereof, and phase locked loop utilizing the frequency divider

A frequency divider reduces jitter and power consumption, and includes a phase selector for receiving a plurality of clock signals and outputting an intermediate signal corresponding to phase characteristic of at least one of the clock signals, and an adjustable delay circuit for receiving the intermediate signal and generating an output signal by delaying the received intermediate signal.

Delay Line Calibration Mechanism and Related Multi-Clock Signal Generator

A delay line calibration mechanism includes a first delay line, a second delay line, a phase detector, and a controller. The first delay line receives a first pulse and a first delay selection signal, and delays the first pulse for a first delay period according to the first delay selection signal to output a first delayed pulse. The second delay line receives a second pulse and a second delay selection signal, and delays the second pulse for a second delay period according to the second delay selection signal to output a second delayed pulse. The phase detector generates a phase difference signal indicating the phase difference between the first delayed pulse and the second delayed pulse by comparing the first delayed pulse and the second delayed pulse. The controller generates the second delay selection signal, and generates the first delay selection signal according to the phase difference signal.

Frequency divider, frequency dividing method thereof, and phase locked loop utilizing the frequency divider

ISI cancellation equalizer

An ISI cancellation equalizer is disclosed. The ISI cancellation equalizer comprises a non-linear mapping circuit, a filter, a delay circuit, and a combiner. The non-linear mapping circuit generates a mapped signal by mapping a level of an input signal into a predetermined value when the input signal falls in a predetermined region, and linearly maps the level of the input signal when the level of the input signal is beyond the predetermined region. The filter depresses an inter-symbol interference (ISI) in the mapped signal to generate a filtered signal. The delay circuit filters the high boosted signal to generate a delayed signal. The combiner combines the filtered signal and the delayed signal to obtain an equalized signal.

Capacitive sensing system and related voltage correction method therefor

A capacitive sensing system is provided, which includes: a pixel matrix for sensing a plurality of voltage variations generated by pressing of a fingerprint; and a calibration unit coupled to the pixel matrix and used for calibrating the plurality of voltage variation of the pixel matrix according to a control signal generated based on the plurality of voltage variations. The capacitive sensing system according to the present disclosure has advantages of improving the consistency of the voltage variations detected by the pixel units and reducing the occurrence of distortion.

Method and system for phase-locked sequencing

System and methods according to exemplary embodiments of the present disclosure utilize a sample holder configured to hold at least one confined single-molecule analyte in a solution of labeled nucleotide bases. Each single- molecule analyte has a single template nucleic acid molecule, an oligonucleotide primer, and/or a single nucleic acid polymerizing enzyme. A least one light source is used to illuminate a detection volume around each confined analyte, and a pulsed source sends a pulsed radiation to the at least one detection volume. The timing of incorporation events at the analytes are controlled by the pulsed radiation, and when multiple analytes are provided on the sample holder, the incorporation events at the analytes can be phase locked and synchronized using the pulsed radiation.

Image sleep analysis method and system thereof

An image sleep analysis method and system thereof are disclosed. During sleep duration, a plurality of visible-light images of a body are obtained. Positions of image differences are determined by comparing the visible-light images. A plurality of features of the visible-light images are identified and positions of the features are determined. According to the positions of the image differences and features, the motion intensities of the features are determined. Therefore, a variation of the motion intensities is analyzed and recorded to provide accurate sleep quality.

Phosphor particle coded beads

Beads coded with phosphor particles and methods of making and using them are provided.

Breath detecting system and breath detecting mat thereof

A breath detecting system and breath detecting mat thereof are disclosed. The breath detecting mat is placed under bed mattress and has a hollow board, a vibration sensor and a signal processing circuit. The vibration sensor and the signal processing circuit are mounted in the hollow board. The vibration sensor senses the micro-vibrations caused by the breathing of the person is lying on the bed mattress and outputs the breath sensing signal to the signal processing circuit. The signal processing circuit samples the sensing signal according to different moving average points to generate the fast-moving and slow-moving average signals. Since the first fast-moving and slow-moving average signals have many cross points, the signal processing circuit calculates each time difference between every two adjacent cross points. A present breath frequency is calculated according to the time differences. Therefore, the noises of the sensing signal are effectively removed.

Fingerprint recognition system