OPTICAL TRANSMISSION MODULE, ENDOSCOPE, AND METHOD FOR MANUFACTURING OPTICAL TRANSMISSION MODULE

An optical transmission module 1 is provided with: a light emitting element 50 that transmits a first optical signal; a light receiving element that receives a second optical signal; an optical fiber 70 that guides a third optical signal formed by multiplexing the first optical signal and the second optical signal; and an optical waveguide substrate 20 having an optical waveguide 23 formed of a first resin. The optical fiber 70, and a prism 30 having a reflection surface 30M that passes the first optical signal are disposed in a groove 22 formed in the optical waveguide substrate 20, a first side surface 30S1 of the prism 30 is in contact with a first wall surface 22S1 of the groove 22, and a second side surface 30S2 is in contact with a second wall surface 22S2 of the groove 22.

ENDOSCOPE

An endoscope 9 has a photoelectric composite module 1, an optical fiber 21, and an electric cable 22 that includes a core wire 22A and a shield wire 22C. The photoelectric composite module 1 is provided with: a light emitting element 50; a wiring board 60 having a junction electrode 61, to which the core wire 22A is connected; a fiber holding section 35, in which the optical fiber 21 inserted into a first through hole H35 is optically coupled to the light emitting element 50; and a cable holding section 30 having a fixing section, which disposes and fixes the core wire 22A of the electric cable 22 so that the core wire is connected to the junction electrode 61. The cable holding section 30 is a holding section conductor 30M electrically connected to a ground potential electrode 42B of an image pickup section 40, and the shield wire 22C of the electric cable 22 is connected to the holding section conductor 30M of the cable holding section 30 using a conductive member 39.

ENDOSCOPE AND LIGHT TRANSMITTING MODULE

According to the present invention, the endoscope 2 comprises: an insertion part 80 having a light transmitting module 1 at a tip part 81; and an operation unit 84. The light transmitting module 1 comprises: an optical fiber 40; a light emitting element 10; a retaining member 30 having a through hole H30; a wiring board 20, wherein the light emitting element 10 is bonded to a first main surface 20SA, and the retaining member 30 is adhered to a second main surface 20SB; and a transparent resin 60 that fills between a light emitting part 11 of the light emitting element 10 and a tip surface of the optical fiber 40, wherein the entire perimeter of a tip part of the optical fiber 40 is worked to be tapered.

BIOINFORMATION ACQUISITION SYSTEM AND METHOD FOR DRIVING BIOINFORMATION ACQUISITION SYSTEM

This bioinformation acquisition comprises a bioinformation acquisition device configured to be equipped with a bioinformation acquisition unit, and also a magnetic field generator, the bioinformation acquisition device comprising: a power source unit capable of supplying power for driving the bioinformation acquisition unit; a magnetic field detector for generating and outputting a magnetic field detection signal in accordance with a detection result for a magnetic field generated from the magnetic field generator; a first switching control unit for implementing control on the basis of the output status of the magnetic field detection signal, so that an on/off state of a first switch unit connected to the power source unit is either switched or maintained; and a second switching control unit for implementing control on the basis of the output status of the magnetic field detection signal, so that an on/off state of a second switch unit connected between the first switch unit and the bioinformation ...

IN VIVO INFORMATION ACQUIRING APPARATUS

OPTICAL MODULE, IMAGE PICKUP MODULE, AND ENDOSCOPE

An optical module 1 is provided with: an optical element 30 having a light emitting section 31; a first wiring board 10, on which the optical element 30 is mounted, said optical element being on a first main surface 10SA; a ferrule 40 that is a holding member, which has a through hole H40, and which is disposed on a second main surface 10SB of the first wiring board 10; an optical fiber 50 inserted into the through hole H40 of the ferrule 40; a side surface wiring board 20, in which a third main surface 20SA is disposed parallel to an optical axis O, an end portion is connected to the first wiring board 10, and an electrode 21 is disposed on a fourth main surface 20SB; and a signal cable, a leading end portion of which is connected to the electrode 21 of the side surface wiring board 20.

ENDOSCOPE

Provided is an endoscope (2) that is capable of stably transmitting optical signals. The endoscope (2) is provided with: an inserting section (80) that is continuously provided with a rigid leading end section (81), a curving section (82) for changing the direction of the rigid leading end section (81), and a flexible section (83); and an optical fiber (50), which is inserted in the inserting section (80), and which transmits the optical signals. In the endoscope (2), the rigid leading end section (81) is provided with: an image pickup element (90); an optical element (10) that converts electric signals into the optical signals, said electric signals having been outputted from the image pickup element (90); a holding member (40) that has a through hole (40H) having a leading end section of the optical fiber (50) inserted therein; and a wiring board (20) that has the optical element (10) mounted thereon, and the holding member (40) bonded thereto. The optical fiber (50) is inserted in the ...

BIOLOGICAL INFORMATION ACQUISITION SYSTEM

This biological information acquisition system comprises a biological information acquisition device equipped with a biological information acquisition unit, and a magnetic field generation unit. The biological information acquisition device comprises: power supply unit that is capable of supplying drive power to the biological information acquisition unit; a first switching control unit for controlling the on-off state of a first switch connected to the power supply unit, on the basis of the output state of a magnetic field detection signal associated with a detection result for a magnetic field emitted from the magnetic field generation unit; a second switching control unit for controlling the on-off state of a second switch connected between the first switch and the biological information acquisition unit, on the basis of the output state of the magnetic field detection signal; and a third switching control unit for switching the second switch from on to off when it is first detected ...

IMAGE PICKUP MODULE AND ENDOSCOPE

An image pickup module 1 is provided with: an optical waveguide plate 20 on which a first waveguide 21A, a second waveguide 21B, and a third waveguide 21C that is optically coupled to the first waveguide 21A and the second waveguide 21B via a branch unit 21Y are formed; an image pickup element 10; a first optical element 30 and a second optical element 40 mounted on the optical waveguide plate 20; an optical fiber 50; a ferrule 60 into which the optical fiber 50 is inserted; and a plurality of conductors. The ferrule 60 has a notch N60 in a front surface thereof. Tip portions 71 of the conductors 70 are sandwiched by the optical waveguide plate 20 and a notch surface N60SA of the ferrule 60, and other constituent elements are arranged within the projection plane of the image pickup element 10.

OPTICAL MODULE, IMAGE PICKUP MODULE, AND ENDOSCOPE

An optical module 1 is provided with: an optical element 30; a first substrate 10, on which the optical element 30 is mounted, said optical element being on a first main surface 10SA; a holding member 40 that is disposed on a second main surface 10SB of the first substrate 10; an optical fiber 50 inserted into a through hole H40 of the holding member 40; a holding substrate 20, a main surface 20SA of which is disposed parallel to the main surface 10SA of the first substrate 10, said holding substrate having an opening H20 that has a wall surface H20SS in contact with an outer peripheral surface 40SS of the holding member 40; a relay substrate 15 connecting the first substrate 10 and the holding substrate 20 to each other; a side surface substrate 25, in which a main surface 25SB is disposed parallel to an optical axis O, an end portion is connected to the holding substrate 20, and an electrode 21 is disposed on the main surface 25SB; and a signal cable 60, a leading end portion of which ...

OPTICAL TRANSMISSION MODULE AND ENDOSCOPE

An optical transmission module 1 is provided with: an optical fiber 20, wherein a cross-section is circular, and an end surface is a sloped surface 20SA; and an optical element unit 60 including an optical element 10. The outer periphery of an end portion of the optical fiber 20 has a cutout surface 20SA extending in the optical axis direction, and due to the cutout surface 20SA, an angle of the sloped surface 20SA with respect to a main surface 10SA of the optical element 10 is specified to an angle at which light guided in the optical fiber 20 is to be optically coupled to the optical element 10.

OPTICAL MODULE FOR ENDOSCOPE AND ENDOSCOPE

This optical module 1 for an endoscope comprises: a light emitting element 10; an optical fiber 30; a ferrule 20 to which the light emitting element 10 is joined; a wiring board 40 to which the ferrule 20 is joined; and a resin 50 disposed between the ferrule 20 and the wiring board 40. The ferrule 20 has a side surface 20SS, a second principal surface 20SB, and a first principal surface 20SA formed from a transparent material. The optical fiber 30 is inserted in an insertion hole H20 having an opening in the second principal surface 20SB and having a bottom surface made of a transparent material. A groove T20 that has an opening in each of the second principal surface 20SB and the side surface 20SS and that is connected to the insertion hole H20 is included. A first distance L1 between the opening of the groove T20 in the side surface 20SS and the first principal surface 20SA is longer than a second distance L2 between the bottom surface of the insertion hole H20 and the first principal ...

OPTICAL MODULE FOR ENDOSCOPE, ENDOSCOPE, AND METHOD FOR MANUFACTURING OPTICAL MODULE FOR ENDOSCOPE

This optical module 1 for an endoscope is provided with: an optical element 10; an optical fiber 20; and a fiber holding unit 30 having a first main surface 30SA and a second main surface 30SB. The optical fiber 20 is inserted into an insertion hole H1 of the first main surface 30SA, the bottom surface of which is made of a transparent material, and the optical element 10 is bonded to a bonding electrode 33 in the second main surface 30SB. The fiber holding unit 30 has, on the first main surface 30SA, an injection hole H2 which is larger than the insertion hole H1, and a groove H3 connecting the insertion hole H1 and the injection hole H2. An ultraviolet-curable transparent resin 40 is disposed at the insertion hole H1, the injection hole H2, and the groove H3.

CONTROL SIGNAL TRANSMITTING APPARATUS

A magnetic field generating apparatus 20 is the magnetic field generating apparatus 20 that transmits a control signal by a magnetic field to a capsule endoscope 10 that performs control of start and stop according to the control signal. The magnetic field generating apparatus 20 includes a housing 25 including a storing section 21 in which the capsule endoscope 10 is arranged, a magnetic field generating section 42 that generates the magnetic field, and a shield section 26 that shields a leakage electromagnetic field leaking to an area other than the storing section 21 in the magnetic field generated by the magnetic field generating section 42.

METHOD FOR MANUFACTURING ENDOSCOPE OPTICAL TRANSMISSION MODULE, AND ENDOSCOPE

Disclosed is a method for manufacturing an endoscope optical transmission module 1, said method being provided with: a step for manufacturing a wiring board 20 and an optical element 10; a mounting step for mounting the optical element 10 on a first main surface 20SA of the wiring board 20; an optical fiber bonding step for bonding an optical fiber 30 on a second main surface 20SB of the wiring board 20; and a cutout forming step for forming a cutout C30 in the optical fiber 30, said cutout having an inclined surface 30S, and optically coupling the optical element 10 and the optical fiber 30 to each other by having the inclined surface 30S as a reflecting surface. Prior to the cutout forming step, the method is also provided with a measuring step for measuring the mounting angle and the mounting position of the optical element 10 mounted on the wiring board 20, and on the basis of the mounting angle and the mounting position thus measured in the measuring step, the inclination angle and ...

OPTICAL TRANSMISSION MODULE AND ENDOSCOPE

An optical transmission module 1 is provided with: an optical element 10; an optical fiber 20 wherein an end surface is a sloped reflecting surface 20SA; a holding member 40 having an end portion of the optical fiber 20 embedded therein; and a wiring board 50, wherein the optical element 10 is mounted on a first main surface 50SA, the holding member 40 is bonded to a second main surface 50SB, and a through hole H50 to be an optical path is formed. The holding member 40 is formed of a transparent resin, a bottom surface 40SA of the holding member 40 is in contact with the second main surface 50SB of the wiring board 50, and an angle θ of the reflecting surface 20SA with respect to a main surface 10SA of the optical element 10 is fixed to an angle at which light guided in the optical fiber 20 is to be optically coupled to the optical element 10.

ENDOSCOPE LIGHT MODULE, ENDOSCOPE, AND ENDOSCOPE LIGHT MODULE PRODUCTION METHOD

This endoscope light module 1 includes: a light element 10; an optical fiber 20; and a fiber holding part 30 having a first main surface 10SA, a second main surface 10SB, and a side surface 10SS, wherein the opening of an insertion hole H1, which has a bottom surface comprising a transparent material, is on the first main surface 10SA, the optical fiber 20 is inserted into the insertion hole H1, and the light element 10 of the second main surface 10SB is joined thereto. In the fiber holding part 30, the opening of a groove, which is connected to the insertion hole H1 and which has a bottom surface comprising a transparent material, is on the first main surface 10SA, and a transparent resin 40 is provided in the insertion hole H1 and the groove H2.

OPTICAL MODULE, ENDOSCOPE, AND METHOD FOR MANUFACTURING OPTICAL MODULE

An optical module 1 comprises: N (N = 2) light-emitting elements 10A, 10B; N optical fibers 30A, 30B for transmitting each optical signal output from the light-emitting elements 10A, 10B; a wiring board 20 having a first main surface 20SA whereon the N light-emitting elements 10A, 10B are mounted; and a ferrule 40 provided on a second main surface 20SB of the wiring board 20, having N through holes 40H1, 40H2 into which each of the N optical fibers 30A, 30B is inserted, and having grip portions 40S1, 40S2 on the lateral surface. The grip portions 40S1, 40S2 are arranged at rotationally symmetrical positions with a first through hole 40H1 of the N through holes as the center axis.

ENDOSCOPE

An endoscope 2 that can stably transmit an optical signal is provided. The endoscope 2 includes an insertion section 80 in which a rigid distal end portion 81, a bending section 82 for changing a direction of the rigid distal end portion 81, and a flexible portion 83 are concatenated and an optical fiber 50 that transmits an optical signal, the optical fiber 50 being inserted through an inside of the insertion section 80. The rigid distal end portion 81 is provided with an image pickup device 90, an optical element 10 that converts an electric signal outputted by the image pickup device 90 into the optical signal, a holding member 40 including a through-hole 40H, into which a distal end portion of the optical fiber 50 is inserted, and a wiring board 20 on which the optical element 10 is mounted and to which the holding member 40 is joined. The optical fiber 50 is inserted through a center of the bending section 82.

INTERNAL INFORMATION ACQUISITION DEVICE AND INTERNAL INFORMATION ACQUISITION METHOD

A capsule endoscope 20 includes a plurality of function executing sections 31 and 32 which acquire information inside a body of a subject, a battery 26 which supplies power to the plurality of function executing sections 31 and 32, a switching section 23 having a plurality of switches MS 1 and MS2 which independently control power supply from the battery 26 to the respective function executing sections 31 and 32, a magnetic field sensing section 21 which receives a control signal from outside the subject, and a power control section 22 which controls the switching section 23 according to the number of times the control signal is received by the magnetic field sensing section 21.

BIOLOGICAL INFORMATION ACQUISITION DEVICE

A capsule endoscope 10 includes: an in vivo information acquiring section 26 that acquires information on an inside of a body of a subject; a battery 19 that supplies power; a power source switch 25 that turns on/off power supply from the battery 19 to the in vivo information acquiring section 26; a detection section 20 that upon detection of introduction to the inside of the body of the subject, outputs a detection signal; and a control section 21 that controls the power source switch 25 according to the detection signal.

CONTROL SIGNAL TRANSMITTING APPARATUS

BIOINFORMATION ACQUISITION SYSTEM AND METHOD FOR DRIVING BIOINFORMATION ACQUISITION SYSTEM

A biological information acquiring system of the invention includes a biological information acquiring apparatus having a biological information acquiring section, and a magnetic field generation section, and the biological information acquiring apparatus includes: a power source section capable of supplying power for driving the biological information acquiring section; a magnetic field detection section which generates and outputs a magnetic field detection signal according to a detection result of a magnetic field generated from the magnetic field generation section; a first switching control section which performs control so as to switch between an on state and an off state, or maintain the on state or the off state of a first switch section connected to the power source section based on an output state of the magnetic field detection signal; and a second switching control section which performs control so as to switch between an on state and an off state, or maintain the on state or ...

ENDOSCOPE

An endoscope includes an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated and an optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section. The rigid distal end portion is provided with an image pickup device, an optical element that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole, into which a distal end portion of the optical fiber is inserted, and a wiring board on which the optical element is mounted and to which the holding member is joined. The optical fiber is inserted through a center of the bending section. 1. An endoscope comprising:an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated; andan optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section,wherein the rigid distal end portion is provided with an image pickup device, an optical element including a light emitting section that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole into which a distal end portion of the optical fiber is inserted and disposed to locate the through-hole on the light emitting section, and a wiring board on which the optical element is mounted and to which the holding member is joined, andthe optical fiber is inserted through a center of the bending section.2. The endoscope according to claim 1 , further comprising a tube including a hole path inserted through the center of the bending section claim 1 , whereinthe optical fiber is inserted through the hole path.3. The endoscope according to claim 2 , wherein the tube is a multi-lumen tube ...

CONTROL SIGNAL TRANSMITTING APPARATUS

A magnetic field generating apparatus is the magnetic field generating apparatus that transmits a control signal by a magnetic field to a capsule endoscope that performs control of start and stop according to the control signal. The magnetic field generating apparatus includes a housing including a storing section in which the capsule endoscope is arranged, a magnetic field generating section that generates the magnetic field, and a shield section that shields a leakage electromagnetic field leaking to an area other than the storing section in the magnetic field generated by the magnetic field generating section. 1. A control signal transmitting apparatus that transmits a control signal by an electromagnetic field to a living body information acquiring apparatus that performs control of start and stop according to the control signal , comprising:a housing including an arrangement section in which the living body information acquiring apparatus is arranged;an electromagnetic field generating section that generates the electromagnetic field; anda shield section that shields a leakage electromagnetic field leaking to an area other than the arrangement section in the electromagnetic field generated by the electromagnetic field generating section.2. The control signal transmitting apparatus according to claim 1 , further comprising a notifying section that notifies the generation of the electromagnetic field when the electromagnetic field generating section is generating the electromagnetic field.3. The control signal transmitting apparatus according to claim 2 , wherein the notifying section is a display section.4. The control signal transmitting apparatus according to claim 2 , wherein the notifying section is a sound generating section.5. The control signal transmitting apparatus according to claim 2 , wherein the notifying section is a vibrating section.6. The control signal transmitting apparatus according to claim 1 , wherein the arrangement section is a recessed ...

DOPANT MATERIAL, SEMICONDUCTOR SUBSTRATE, SOLAR CELL ELEMENT, AND PROCESS FOR PRODUCTION OF DOPANT MATERIAL

A dopant material is disclosed. The dopant material comprises a polycrystalline silicon and a dopant element in the polycrystalline silicon. A concentration of the dopant element is at least 1×10atoms/cmand no greater than 1×10atoms/cm. A method for producing a dopant material is also disclosed. A fused mixture is generated by mixing and fusing a silicon material with an element that serves as the dopant source. A coagulate of the dopant material is generated by cooling and coagulating the fused mixture. A semiconductor substrate is disclosed. The semiconductor substrate comprises a semiconductor material to which the dopant material is added. A solar cell element comprising the semiconductor substrate, a first electrode, and a second electrode is disclosed. The semiconductor substrate comprises a first surface and a second surface corresponding to a rear surface of the first surface. 1. A dopant material , comprising:a polycrystalline silicon; anda dopant element comprised in the polycrystalline silicon,{'sup': 18', '3', '20', '3, 'wherein a concentration of the dopant element is at least 1×10atoms/cmand no greater than 1×10atoms/cm.'}2. The dopant material according to claim 1 , wherein the dopant element is boron.3. The dopant material according to claim 2 , wherein a boron concentration is at least 5×10atoms/cmand no greater than 5×10atoms/cm4. The dopant material according to claim 3 , further comprising oxygen claim 3 , wherein an oxygen concentration that is measured by secondary ionization mass spectrometry is at least 1×10atoms/cmand no greater than 1×10atoms/cm.5. The dopant material according to claim 4 , further comprising a first region positioned upstream in a first direction and a second region positioned downstream with respect to the first region in the first direction claim 4 ,wherein the boron concentration in the first region is greater than the boron concentration in the second region, and the oxygen concentration in the first region is smaller ...

IN-VIVO INFORMATION ACQUIRING APPARATUS AND IN-VIVO INFORMATION ACQUIRING METHOD

A capsule endoscope includes a plurality of function executing sections and which acquire information inside a body of a subject, a battery which supplies power to the plurality of function executing sections, a switching section having a plurality of switches which independently control power supply from the battery to the respective function executing sections, a magnetic field sensing section which receives a control signal from outside the subject, and a power control section which controls the switching section according to the number of times the control signal is received by the magnetic field sensing section. 1. An in-vivo information acquiring apparatus comprising:a plurality of function executing sections which acquire information inside a body of a subject;a power source which supplies power to the plurality of function executing sections;a switching section having a plurality of switches which independently control power supply from the power source to each of the plurality of function executing sections;a signal receiving section which receives a control signal from outside the subject; anda power control section which controls the switching section according to a number of times that the control signal is received by the signal receiving section.2. The in-vivo information acquiring apparatus according to claim 1 , whereineach of the plurality of switches is disposed between each of the plurality of function executing sections and the power source, and{'sup': 'n', 'the power control section has n (n is an integer not less than 2) flip-flop circuits and controls to place the switching section in any one of 2different states.'}3. The in-vivo information acquiring apparatus according to claim 2 , wherein the control signal is a magnetic field signal.4. The in-vivo information acquiring apparatus according to claim 3 , whereinthe control signal is a DC magnetic field signal, andthe signal receiving section is a reed switch which is turned on or off by the ...

IN VIVO INFORMATION ACQUIRING APPARATUS

A capsule endoscope includes: an in vivo information acquiring section that acquires information on an inside of a body of a subject; a battery that supplies power; a power source switch that turns on/off power supply from the battery to the in vivo information acquiring section; a detection section that includes at least two electrodes disposed on an outer face of a casing, and, upon detection of introduction to the inside of the body of the subject based on a change in electric resistance between the electrodes, outputs a detection signal; and a control section that controls the power source switch according to the detection signal. 1. An in vivo information acquiring apparatus comprising:an in vivo information acquiring section that acquires information on an inside of a body of a subject;a power source that supplies power;a power source switch that turns on/off power supply from the power source to the in vivo information acquiring section;a detection section that includes at least two electrodes disposed on an outer face of a casing, and, upon detection of introduction to the inside of the body of the subject based on a change in electric resistance between the electrodes, outputs a detection signal; anda control section that controls the power source switch according to the detection signal.2. The in vivo information acquiring apparatus according to claim 1 , wherein a plurality of the electrodes are wound on the casing having a cylindrical shape.3. The in vivo information acquiring apparatus according to claim 2 , wherein a plurality of the electrodes are each formed in a protrusion shape from a surface of the casing.4. The in vivo information acquiring apparatus according to claim 2 , wherein a plurality of the electrodes are each formed in a recess shape from a surface of the casing.5. The in vivo information acquiring apparatus according to claim 1 , further comprising a signal receiving section that receives a control signal from an outside and outputs an ...

ENDOSCOPE

An endoscope includes an opto-electric composite module, an optical fiber, and a plurality of electric cables each including a core wire and a shielding wire. The opto-electric composite module includes a light emitting device, a wiring board including a plurality of bonding electrodes to which the plurality of core wires are bonded, a ferrule causing the optical fiber inserted into a first through hole to be optically coupled to the light emitting device, and a cable holder having grooves to which the plurality of core wires are fixed with the plurality of core wires so disposed as to be bonded to the plurality of respective bonding electrodes. The cable holder is a holder conductor electrically connected to a ground potential electrode of the image pickup device, and the shielding wires in the electric cables are bonded to the holder conductor of the cable holder via an electrically conductive member. 1. An endoscope including an opto-electric composite module disposed in a distal end portion of an insertion portion and configured to convert an electric signal into an optical signal , an optical fiber inserted through the insertion portion and configured to transmit the optical signal , and a plurality of electric cables inserted through the insertion portion and each include a core wire and a shielding wire ,wherein the opto-electric composite module comprises:an image pickup device;a light emitting device configured to convert the electric signal outputted by the image pickup device into the optical signal;a wiring board having a first principal surface and a second principal surface, with the light emitting device mounted on the first principal surface, and including a plurality of bonding electrodes to which the plurality of core wires are bonded, respectively;a ferrule having a first through hole, with the optical fiber inserted into the first through hole optically coupled to the light emitting device; anda cable holder having a plurality of grooves or holes ...

Optical transmission module, endoscope, and method for manufacturing optical transmission module

An optical transmission module includes a light emitting device for transmitting a first optical signal, a light receiving device for receiving a second optical signal, an optical fiber for guiding a third optical signal in which the first optical signal and the second optical signal are coupled, and an optical waveguide substrate having an optical waveguide made of first resin, wherein a groove formed on the optical waveguide substrate is provided with a prism having the optical fiber and a reflective face through which the first optical signal transmit, a first side face of the prism contacts a first wall face of the groove, and a second side face thereof contacts a second wall face of the groove.

ENDOSCOPE AND OPTICAL TRANSMISSION MODULE

An endoscope includes an insertion portion including an optical transmission module on a distal end portion, and an operation portion, the optical transmission module includes an optical fiber, a light emitting element, a holding member provided with a through-hole, a wiring board in which the light emitting element is bonded to a first main surface and the holding member is joined to the second main surface, and a transparent resin filling a space between a light emitting portion of the light emitting element and a distal end face of the optical fiber, and an entire periphery of a distal end portion of the optical fiber is tapered. 1. An endoscope comprising:an insertion portion including an optical transmission module at a distal end portion where an image pickup device is disposed; andan operation portion extended on a proximal end portion side of the insertion portion, an optical fiber inserted through the insertion portion and configured to transmit an optical signal,', 'an optical element, on a surface of which an optical element portion and an external electrode are disposed, the optical element portion being configured to emit the optical signal or receive the optical signal that is made incident,', 'a holding member provided with a through-hole into which the optical fiber is inserted, the holding member being formed of a transparent material that transmits ultraviolet rays,', 'a wiring board provided with a hole portion to be an optical path of the optical signal, in which a bond electrode disposed on a first main surface and the external electrode of the optical element are bonded and the holding member is joined to a second main surface, and', 'an ultraviolet curing type transparent resin filling a space between the optical element portion of the optical element and a distal end face of the optical fiber,', 'an entire periphery of a distal end portion of the optical fiber is tapered,', 'a diameter of the through-hole of the holding member is smaller than ...

BIOLOGICAL INFORMATION ACQUIRING SYSTEM AND METHOD OF DRIVING BIOLOGICAL INFORMATION ACQUIRING SYSTEM

A biological information acquiring system includes a biological information acquiring apparatus having a biological information acquiring section, and a magnetic field generation section, and the biological information acquiring apparatus includes: a power source section which supplies power for driving the biological information acquiring section; a magnetic field detection section which outputs a magnetic field detection signal according to a detection result of a magnetic field generated from the magnetic field generation section; a first switching control section which performs control an on/off state of a first switch section connected to the power source section based on an output state of the magnetic field detection signal; and a second switching control section which performs control the on/off state of a second switch section connected between the first switch section and the biological information acquiring section, based on the output state of the magnetic field detection signal. 1. A biological information acquiring system comprising: a biological information acquiring apparatus including a biological information acquiring section which is capable of acquiring biological information inside a subject; and a magnetic field generation section configured to be able to generate a burst alternate-current magnetic field , a power source section which is capable of supplying power for driving the biological information acquiring section;', 'a magnetic field detection section which generates a magnetic field detection signal according to a detection result of the burst alternate-current magnetic field generated from the magnetic field generation section and outputs the generated magnetic field detection signal;', 'a first switching control section which performs control so as to switch between an on state and an off state of a first switch section connected to the power source section or maintain the on state or the off state of the first switch section, based ...

OPTICAL MODULE, IMAGE PICKUP MODULE, AND ENDOSCOPE

An optical module includes an optical element including a light emitting section, a first wiring board, on a first principal plane of which the optical element is mounted, a ferrule functioning as a holding member including a through hole and disposed on a second principal plane of the first wiring board, an optical fiber inserted into the through hole of the ferrule, a side surface wiring board, a third principal plane of which is disposed in parallel to an optical axis and an end portion of which is connected to the first wiring board, an electrode being disposed on a fourth principal plane of the side surface wiring board, and a signal cable having a distal end portion bonded to the electrode of the side surface wiring board. 1. An optical module comprising:an optical element including a light emitting section or a light receiving section;a first wiring board including a first principal plane and a second principal plane opposite to the first principal plane, the optical element being mounted on the first principal plane;a holding member disposed on the second principal plane of the first wiring board such that a center axis of a through hole coincides with an optical axis of the optical element;an optical fiber inserted into the through hole of the holding member;a side surface wiring board including a third principal plane and a fourth principal plane opposite to the third principal plane, the third principal plane being disposed in parallel to the optical axis, an end portion of the side surface wiring board being connected to the first wiring board, an electrode being disposed on at least one of the third principal plane and the fourth principal plane; anda signal cable having a distal end portion bonded to the electrode of the side surface wiring board, whereinthe side surface wiring board extends to a second principal plane side of the first wiring board.2. The optical module according to claim 1 , whereinthe optical element, the holding member, the side ...

OPTICAL MODULE, IMAGE PICKUP MODULE, AND ENDOSCOPE

An optical module includes an optical element, a first substrate, on a first principal plane of which the optical element is mounted, a holding member disposed on a second principal plane of the first substrate, an optical fiber inserted into a through hole of the holding member, a holding substrate with an opening, a wall surface of which is in contact with an outer peripheral surface of the holding member, an interconnecting substrate connecting the first substrate and the holding substrate, a side surface substrate, an end portion of which is connected to the holding substrate and on which an electrode is disposed, and a signal cable, a distal end portion of which is bonded to the electrode of the side surface substrate. 1. An optical module comprising:an optical element including a light emitting section or a light receiving section;a first substrate including a first principal plane and a second principal plane facing the first principal plane, the optical element being mounted on the first principal plane;a holding member disposed on the second principal plane of the first substrate such that a center axis of a through hole coincides with an optical axis of the optical element;an optical fiber inserted into the through hole of the holding member;a holding substrate with an opening including a third principal plane and a fourth principal plane facing the third principal plane, the third principal plane being disposed in parallel to the second principal plane of the first substrate, a wall surface of the holding substrate being in contact with an outer peripheral surface of the holding member;an interconnecting substrate connecting the first substrate and the holding substrate;a side surface substrate including a fifth principal plane, which is an inner surface, and a sixth principal plane, which is an outer surface, facing the fifth principal plane, the fifth principal plane being disposed in parallel to the optical axis, an end portion of the side surface ...

OPTICAL TRANSMISSION MODULE AND ENDOSCOPE

An optical transmission module includes: an optical fiber a cross section of which has a circular shape and an end surface of which is an inclined surface; and an optical element part including an optical element, wherein a cutout surface extending in an optical axis direction is formed in an outer circumference of an end portion of the optical fiber, and the angle of the inclined surface with respect to the main surface of the optical element is defined by the cutout surface, such that light guided through the optical fiber is optically coupled to the optical element. 1. An optical transmission module , comprising:an optical fiber a cross section of which has a circular shape and an end surface of which is an inclined surface; andan optical element part including an optical element that is a light emitting element having a light emitting surface as a main surface or a light receiving element having a light receiving surface as a main surface, whereina cutout surface extending in an optical axis direction is formed in an outer circumference of an end portion of the optical fiber, andan angle of the inclined surface with respect to the main surface of the optical element is defined by the cutout surface, such that light guided through the optical fiber is optically coupled to the optical element.2. The optical transmission module according to claim 1 , whereinthe cutout surface of the optical fiber has a rectangular shape,a center line of the cutout surface parallel with the optical axis intersects with a longitudinal axis of the inclined surface, andthe cutout surface of the optical fiber is in contact with the main surface of the optical element.3. The optical transmission module according to claim 2 , whereinthe outer circumference of the end portion of the optical fiber includes a rear end wall surface perpendicular to the cutout surface, andas a result of contact of the rear end wall surface with a rear side surface of the optical element, a position of the ...

Image pickup module and endoscope

An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.

Living body observing system and method of driving living body observing system

A living body observation system of the invention includes: a living body information acquiring apparatus which includes a living body information acquiring section for acquiring living body information, a wireless transmission section for wirelessly transmitting the living body information, a power source section for supplying driving power for driving the living body information acquiring section and the wireless transmission section, a magnetic field detecting section for detecting a magnetic field from outside and outputting a detection result as an electric signal, and a power supply control section for controlling a supplying state of the driving power supplied to the living body information acquiring section and the wireless transmission section based on the electric signal; a magnetic field generating coil; a driving circuit for outputting a drive signal for driving the magnetic field generating coil; a switch for switching between on and off of a generation state of a magnetic field; and a timer for outputting a stop signal for stopping output of the drive signal when a predetermined period has passed following switching from off to on of the switch.

Wireless power supply system, capsulated endoscope, and capsulated endoscopic system

In a wireless power supply system including a power feeding system (2) equipped with a transmission antenna (5) for wirelessly transmitting an electric power from a power source, and a receiver antenna (12) formed by winding a receiver coil (12b) around an outer periphery of a substantially bar-like core member (12a) for receiving the transmitted electric power, the length of the core member of the receiver antenna is more than 10 times longer than the diameter of the core member.

Wireless power supply system, capsulated endoscope, and capsulated endoscopic system

Living body observation system and method of driving living body observation system

A living body observation system of the invention includes a living body information acquiring apparatus including: a living body information acquiring section; a wireless transmission section; a power source section for supplying driving power for driving the living body information acquiring section and the wireless transmission section; a magnetic field detecting section for outputting a detection result of a magnetic field from outside as an electric signal; and a power supply control section for controlling a supplying state of the driving power based on the electric signal, a magnetic field generating coil, a driving circuit for outputting a drive signal to the magnetic field generating coil, a switch for switching a generation state of a magnetic field, and a timer for outputting a signal for stopping output of the drive signal when a predetermined period has passed following switching from off to on of the switch.

Bioinformation acquisition system and method for driving bioinformation acquisition system

Wireless power feeder, power transmission coil unit, and wireless power feeder system

Optical module for endoscope, endoscope, and manufacturing method of optical module for endoscope

An optical module for endoscope includes an optical element, an optical fiber, a ferrule including a first principal surface, a second principal surface, and a side surface, an opening of an insertion hole being present on the first principal surface, the insertion hole having a bottom surface made of a transparent material, the optical fiber being inserted into the insertion hole, the optical element being bonded to the second principal surface, an opening of a groove connected to the insertion hole being present on the first principal surface, the grove having a bottom surface made of the transparent material, and transparent resin disposed in the insertion hole and the groove of the ferrule.

Optical transmission module, endoscope, and method for manufacturing optical transmission module

An optical transmission module includes a light emitting device for transmitting a first optical signal, a light receiving device for receiving a second optical signal, an optical fiber for guiding a third optical signal in which the first optical signal and the second optical signal are coupled, and an optical waveguide substrate having an optical waveguide made of first resin, wherein a groove formed on the optical waveguide substrate is provided with a prism having the optical fiber and a reflective face through which the first optical signal transmit, a first side face of the prism contacts a first wall face of the groove, and a second side face thereof contacts a second wall face of the groove.

In vivo information acquiring apparatus

A capsule endoscope includes: an in vivo information acquiring section that acquires information on an inside of a body of a subject; a battery that supplies power; a power source switch that turns on/off power supply from the battery to the in vivo information acquiring section; a detection section that includes at least two electrodes disposed on an outer face of a casing, and, upon detection of introduction to the inside of the body of the subject based on a change in electric resistance between the electrodes, outputs a detection signal; and a control section that controls the power source switch according to the detection signal.