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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 17. Отображено 17.
14-09-2011 дата публикации

Self-adaptive current control device

Номер: CN0102183989A
Автор: HUI YIN, WEIXUE YU, HONGJUN SUN, KANG CHEN, CHAO WANG, YIN HUI, YU WEIXUE, SUN HONGJUN, CHEN KANG, WANG CHAO
Принадлежит:

The invention discloses a self-adaptive current control device in the technical field of integrated circuits. The self-adaptive current control device comprises an external resistor current source, a built-in resistor current source, a judging unit, a first switch unit, a second switch unit, a switch control unit, a current mirror unit and an output unit, wherein the judging unit is used for judging whether an external resistor is available or not; the switch control unit is used for controlling the on/off of the first switch unit and the second switch unit, when the external resistor is judged to be available by the judging unit, the switch control unit switches on the first switch unit and switches off the second switch unit, and the external resistor is judged to be unavailable by the judging unit, the switch control unit switches on the second switch unit and switches off the first switch unit; and the current mirror unit is used for outputting the mirror current of external resistor ...

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Номер записи: 1
01-09-2010 дата публикации

Driving device of light-emitting element

Номер: CN0101820707A
Автор: LAIDONG GUAN, YAJUN SHI, HONGJUN SUN, CHAO WANG, WEIXUE YU, GUAN LAIDONG, SHI YAJUN, SUN HONGJUN, WANG CHAO, YU WEIXUE
Принадлежит:

The invention provides a driving device of a light-emitting element, comprising a reference voltage generating module, a minimum voltage detecting module, a control module and a driving control current generating module, wherein the reference voltage generating module is used for supplying reference voltage for the minimum voltage detecting module; the minimum voltage detecting module is used for detecting the cathode voltage of each light-emitting diode in a light-emitting diode set and then generating switching signals when the minimum in each cathode voltage is less than the generating value of the reference voltage; when receiving the switching signals, the control module controls a charge pump so that the charge pump adjusts anode voltages outputted to the light-emitting diode set; and the driving control current generating module is used for supplying constant current for the light-emitting diode set when the minimum of the cathode voltages is not less than the reference voltage.

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Номер записи: 2
06-01-2010 дата публикации

Hardware circuit for accomplishing paralleling data ordering and method

Номер: CN0100578441C
Автор: WEI YAO, CHUANFANG WANG, JIANTAO CHENG, WEIXUE YU, YAO WEI, WANG CHUANFANG, CHENG JIANTAO, YU WEIXUE
Принадлежит:

The invention discloses a hardware circuit for realizing the seriation of parallel data and a method. Each adjacent two units in n registers are arranged as one group, which is started from the unit with the serial number of 0; the data of the two units in the same group are carried out the comparison, the data with the smaller value is stored in the unit with the smaller serial number, the data with the bigger value is stored in the unit with the bigger serial number; the unit with the serial number of 0 is independently arranged as a group, each adjacent two units in the register A are arranged as one group from the unit with the serial number of 1; the data of the two units in the same group are carried out the comparison, the data with the smaller value is stored in the unit with the smaller serial number, the data with the bigger value is stored in the unit with the bigger serial number; and the operations above are repeated for n times. The usage of the circuit and the method of the ...

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Номер записи: 3
05-08-2009 дата публикации

Strain feedback-based load input method in whole-satellite experiment

Номер: CN0101498616A
Автор: PENG XIANGZHONG, YU WEIXUE, XIANGZHONG PENG, WEIXUE YU
Принадлежит:

The invention relates to a load input method based on strain feedback in a whole-satellite test, comprising the following steps: (1) the maximum value Nmax of support reaction of a binding surface of a satellite and a carry binding surface is ascertained; (2) the proportion relation of strain Epsilon generated between the satellite and the carry binding surface and binding surface support reaction N is ascertained; (3) according to the results of the steps (1) and (2), threshold value Epsilonmax of the strain Epsilon during the whole-satellite vibration test is ascertained; (4) during the whole-satellite vibration test, the load is input according to the change condition of the strain Epsilon generated between the satellite and the carry binding surface; and when the load is input, the strain Epsilon between the satellite and the carry binding surface, which is generated by the load input is ensured to be smaller than the threshold value Epsilonmax. The invention does not need complicated ...

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Номер записи: 4
30-12-2009 дата публикации

A burr judgement and elimination circuit

Номер: CN0100576743C
Автор: CHUANFANG WANG, JIANTAO CHENG, WEIXUE YU, CHAO WANG, WEI YAO, WANG CHUANFANG, CHENG JIANTAO, YU WEIXUE, WANG CHAO, YAO WEI
Принадлежит:

The present invention discloses a burr eliminating circuit which comprises a delay module which is used for detecting the width of the burr and a delay output module for eliminating the burr problem generated in specific condition. The delay module is connected with a feedback control circuit module. The delay module controls the feedback control circuit module to reset with an accelerated speed when the burr is detected and sets with an accelerated speed when the valid data is detected. The circuit of the invention totally satisfies the functions of determining and eliminating the burr and can expands the width of the valid narrow pulsewidth signal to a safe width for securing the safe operation.

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Номер записи: 5
01-06-2011 дата публикации

Temperature reentrant current limiting apparatus

Номер: CN0102081423A
Автор: WEIXUE YU, HUI YIN, YAJUN SHI, PEIXIAN CAI, YU WEIXUE, YIN HUI, SHI YAJUN, CAI PEIXIAN
Принадлежит:

The invention discloses a temperature reentrant current limiting apparatus comprising a PTAT current generating circuit to generate PTAT (Proportional to Absolute Temperature) current, a PTAT current mirror circuit to mirror the PTAT current so as to generate mirror current, a reference voltage generating circuit to generate reference voltage and a reference voltage shunting and limiting circuit to obtain the reference voltage and mirror current, the reference voltage shunting and limiting circuit is controlled by the reference voltage to generate shunt current with positive temperature coefficient so as to shunt the mirror current and output shunted residual current whose value is the difference between the mirror current and the shunt current, while the residual current is accepted and mirrored by an output current mirror circuit to generate output current. In such way, reentrant current limiting is realized without simultaneously inspecting temperature of chips and output voltage value ...

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Номер записи: 6
17-09-2008 дата публикации

A burr judgement and elimination circuit

Номер: CN0101267194A
Автор: CHUANFANG WANG, JIANTAO CHENG, WEIXUE YU, CHAO WANG, WEI YAO, WANG CHUANFANG, CHENG JIANTAO, YU WEIXUE, WANG CHAO, YAO WEI
Принадлежит:

The present invention discloses a burr eliminating circuit which comprises a delay module which is used for detecting the width of the burr and a delay output module for eliminating the burr problem generated in specific condition. The delay module is connected with a feedback control circuit module. The delay module controls the feedback control circuit module to reset with an accelerated speed when the burr is detected and sets with an accelerated speed when the valid data is detected. The circuit of the invention totally satisfies the functions of determining and eliminating the burr and can expands the width of the valid narrow pulsewidth signal to a safe width for securing the safe operation.

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Номер записи: 7
30-01-2008 дата публикации

State prewired circuit

Номер: CN0101114830A
Автор: WANG CHUANFANG, CHENG JIANTAO, YU WEIXUE, CHUANFANG WANG, JIANTAO CHENG, WEIXUE YU
Принадлежит:

The invention discloses a state preset circuit, comprising an input end which is connected with an internal soldering pad of a chip. The state preset circuit also comprises a pathway switch which is used for controlling a pathway current, a timing circuit which is connected with the pathway switch and is used for setting the state of the pathway switch and a latch circuit which is connected with the pathway switch and the timing circuit and is used for stabilizing the latch output of a preset potential. The state preset circuit of the invention can enable a static current to be zero after the chip is started, thus reducing power consumption with a simple structure, and the invention has no negative effect to the normal work of the chip.

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Номер записи: 8
15-12-1999 дата публикации

Thermally insulating building blocks of pearlite

Номер: CN0001238314A
Автор: HAN ZILIN, YU WEIXUE, HAN YUCHANG, ZILIN HAN, WEIXUE YU, YUCHANG HAN
Принадлежит:

A thermally insulating building block for building is made up through mixing rosin, phenol, caustic soda, sulfuric acid and water, then mixing the mixture with pearlite, cement and coater, moulding, baking and curing, and features light weight, high thermally insulating effect, and no environmental pollution.

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Номер записи: 9
16-01-2008 дата публикации

Output voltage adjustable band gap reference voltage circuit

Номер: CN0101105699A
Автор: YU WEIXUE, CHENG JIANTAO, WANG CHUANFANG, WEIXUE YU, JIANTAO CHENG, CHUANFANG WANG
Принадлежит:

The invention discloses a belt gap reference voltage circuit which comprises a reference voltage configuration unit and a voltage regulating configuration unit; wherein the voltage regulating configuration unit comprises an input end, an output end and a first and a second regulating resistances which are cascaded with each other; wherein the output end is positioned between the first regulating resistance and the second regulating resistance; base electrodes of the first transistor unit and the second transistor unit are connected with each other; one end of the first regulating resistance and the second regulating resistance both of which are in tandem is connected with the reference voltage through the input end, and the other end of the first regulating resistance and the second regulating resistance both of which are in tandem is connected with the ground. The belt gap reference voltage circuit in the invention can regulate the proportion of the resistance so that different reference ...

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Номер записи: 10
09-12-2009 дата публикации

Light modulation control drive control device, system and method

Номер: CN0101600281A
Автор: SHI YAJUN, SUN HONGJUN, YU WEIXUE, CHENG JIANTAO, WANG CHAO, YAJUN SHI, HONGJUN SUN, WEIXUE YU, JIANTAO CHENG, CHAO WANG
Принадлежит:

The invention provides a drive control device for controlling light modulation, and a light modulation system containing the drive control device, comprising an enabling and light modulation signal generation unit and a reference voltage converting unit, wherein the enabling and light modulation signal generation unit carries out the operation of asymmetric delay treatment on an external first light modulation and enable signal so as to generate an enable signal, and the reference voltage converting unit generates a variable control signal of which the level amplitude is in positive relationship with the duty ratio of the first light modulation and enable signal. The invention also provides a light modulation method using the light modulation system, including the step of carrying out the operation of asymmetric delay treatment on the external first light modulation and enable signal so as to generate the enable signal, and the step of generating the variable control signal of which the ...

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Номер записи: 11
10-09-2008 дата публикации

Hardware circuit for accomplishing paralleling data ordering and method

Номер: CN0101261576A
Автор: YAO WEI, WANG CHUANFANG, CHENG JIANTAO, YU WEIXUE, WEI YAO, CHUANFANG WANG, JIANTAO CHENG, WEIXUE YU
Принадлежит:

The invention discloses a hardware circuit for realizing the seriation of parallel data and a method. Each adjacent two units in n registers are arranged as one group, which is started from the unit with the serial number of 0; the data of the two units in the same group are carried out the comparison, the data with the smaller value is stored in the unit with the smaller serial number, the data with the bigger value is stored in the unit with the bigger serial number; the unit with the serial number of 0 is independently arranged as a group, each adjacent two units in the register A are arranged as one group from the unit with the serial number of 1; the data of the two units in the same group are carried out the comparison, the data with the smaller value is stored in the unit with the smaller serial number, the data with the bigger value is stored in the unit with the bigger serial number; and the operations above are repeated for n times. The usage of the circuit and the method of the ...

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Номер записи: 12
02-06-2010 дата публикации

Strain feedback-based load input method in whole-satellite experiment

Номер: CN0101498616B
Автор: YU WEIXUE, PENG XIANGZHONG, WEIXUE YU, XIANGZHONG PENG
Принадлежит:

The invention relates to a load input method based on strain feedback in a whole-satellite test, comprising the following steps: (1) the maximum value Nmax of support reaction of a binding surface ofa satellite and a carry binding surface is ascertained; (2) the proportion relation of strain Epsilon generated between the satellite and the carry binding surface and binding surface support reactionN is ascertained; (3) according to the results of the steps (1) and (2), threshold value Epsilonmax of the strain Epsilon during the whole-satellite vibration test is ascertained; (4) during the whole-satellite vibration test, the load is input according to the change condition of the strain Epsilon generated between the satellite and the carry binding surface; and when the load is input, the strain Epsilon between the satellite and the carry binding surface, which is generated by the load input is ensured to be smaller than the threshold value Epsilonmax. The invention does not need complicated ...

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Номер записи: 13
27-06-2012 дата публикации

Temperature reentrant current limiting apparatus

Номер: CN0102081423B
Автор: YU WEIXUE, YIN HUI, SHI YAJUN, CAI PEIXIAN, WEIXUE YU, HUI YIN, YAJUN SHI, PEIXIAN CAI
Принадлежит:

The invention discloses a temperature reentrant current limiting apparatus comprising a PTAT current generating circuit to generate PTAT (Proportional to Absolute Temperature) current, a PTAT current mirror circuit to mirror the PTAT current so as to generate mirror current, a reference voltage generating circuit to generate reference voltage and a reference voltage shunting and limiting circuit to obtain the reference voltage and mirror current, the reference voltage shunting and limiting circuit is controlled by the reference voltage to generate shunt current with positive temperature coefficient so as to shunt the mirror current and output shunted residual current whose value is the difference between the mirror current and the shunt current, while the residual current is accepted and mirrored by an output current mirror circuit to generate output current. In such way, reentrant current limiting is realized without simultaneously inspecting temperature of chips and output voltage value ...

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Номер записи: 14
09-01-2008 дата публикации

Electric resistance type touch screen control circuit

Номер: CN0101101527A
Автор: CHENG JIANTAO, YU WEIXUE, WANG CHUANFANG, JIANTAO CHENG, WEIXUE YU, CHUANFANG WANG
Принадлежит:

The control circuit includes following parts: resistance type touch screen in use for receiving change of resistance, and generating changed signal; being connected to the touch screen, the driving tube is in use for ducting the change signal selectively; being connected to the touch screen, the analog-digital converter (ADC) is in use for carrying out analog-digital conversion for the change signal; and logic control module in use for controlling the driving tube. The control circuit also includes a sample holding circuit (SHC). Through the input end, SHC is connected to the touch screen; and through the output end SHC is connected to ADC.

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Номер записи: 15
01-06-2011 дата публикации

State preset circuit

Номер: CN0101114830B
Автор: YU WEIXUE, CHENG JIANTAO, WANG CHUANFANG, WEIXUE YU, JIANTAO CHENG, CHUANFANG WANG
Принадлежит:

The invention discloses a state preset circuit, comprising an input end which is connected with an internal soldering pad of a chip. The state preset circuit also comprises a pathway switch which is used for controlling a pathway current, a timing circuit which is connected with the pathway switch and is used for setting the state of the pathway switch and a latch circuit which is connected with the pathway switch and the timing circuit and is used for stabilizing the latch output of a preset potential. The state preset circuit of the invention can enable a static current to be zero after thechip is started, thus reducing power consumption with a simple structure, and the invention has no negative effect to the normal work of the chip.

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Номер записи: 16
27-06-2012 дата публикации

Light modulation control drive control device, system and method

Номер: CN0101600281B
Автор: SHI YAJUN, SUN HONGJUN, YU WEIXUE, CHENG JIANTAO, WANG CHAO, YAJUN SHI, HONGJUN SUN, WEIXUE YU, JIANTAO CHENG, CHAO WANG
Принадлежит:

The invention provides a drive control device for controlling light modulation, and a light modulation system containing the drive control device, comprising an enabling and light modulation signal generation unit and a reference voltage converting unit, wherein the enabling and light modulation signal generation unit carries out the operation of asymmetric delay treatment on an external first light modulation and enable signal so as to generate an enable signal, and the reference voltage converting unit generates a variable control signal of which the level amplitude is in positive relationship with the duty ratio of the first light modulation and enable signal. The invention also provides a light modulation method using the light modulation system, including the step of carrying out theoperation of asymmetric delay treatment on the external first light modulation and enable signal so as to generate the enable signal, and the step of generating the variable control signal of which the ...

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Номер записи: 17