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Class Information
Number: 323/281
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Linearly acting > With reference voltage circuitry
Description: including a signal processing circuit between the means responsive to the output level and the final control device, the signal processing circuit including means to develop a standard voltage which is used as a reference in the signal processing circuit.

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710812 Regulating a supply voltage provided to a load circuit Apr. 29, 2014
8710813 Low drop-out regulator providing constant current and maximum voltage limit Apr. 29, 2014
8704501 Driver, current regulating circuit thereof, and method of current regulation, with alternating voltages therein Apr. 22, 2014
8692529 Low noise, low dropout voltage regulator Apr. 8, 2014
8686801 Power supply and DC-DC-conversion Apr. 1, 2014
8680829 Stable low dropout voltage regulator Mar. 25, 2014
8648582 Programmable low dropout linear regulator Feb. 11, 2014
8633709 System for testing motherboard performance Jan. 21, 2014
8624568 Low noise voltage regulator and method with fast settling and low-power consumption Jan. 7, 2014
8618780 Multimode voltage regulator and method for providing a multimode voltage regulator output voltage and an output current to a load Dec. 31, 2013
8593121 Circuit and method for voltage regulator output voltage trimming Nov. 26, 2013
8587286 Regulator circuit and RFID tag including the same in wireless communication to improve noise margin Nov. 19, 2013
8581562 SIDO power converter and driving method thereof Nov. 12, 2013
8575905 Dual loop voltage regulator with bias voltage capacitor Nov. 5, 2013
8559558 Reference voltage generator for single-ended communication systems Oct. 15, 2013
8547135 Self-modulated voltage reference Oct. 1, 2013
8497667 Fast voltage regulators for charge pumps Jul. 30, 2013
8476880 System and method for reducing output voltage of a power regulator under light load Jul. 2, 2013
8456148 Regulator circuit and RFID tag including the same in wireless communication to improve noise margin Jun. 4, 2013
8426924 Area-efficient distributed device structure for integrated voltage regulators Apr. 23, 2013
8421427 Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus Apr. 16, 2013
8412479 Memory power estimation by means of calibrated weights and activity counters Apr. 2, 2013
8405376 Low noise reference circuit of improving frequency variation of ring oscillator Mar. 26, 2013
8395347 Induction motor control device and induction motor group control system Mar. 12, 2013
8390264 Differential reference voltage generator Mar. 5, 2013
8390965 Over-current protection device for multiple high-voltage motive devices and method thereof Mar. 5, 2013
8373395 Power source apparatus, control circuit, and method of controlling power source apparatus Feb. 12, 2013
8368367 Voltage divider circuit and voltage regulator Feb. 5, 2013
8344719 Regulator circuit and RFID tag including the same in wireless communication to improve noise margin Jan. 1, 2013
8339871 Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment Dec. 25, 2012
8314597 Load driving apparatus Nov. 20, 2012
8315588 Resistive voltage-down regulator for integrated circuit receivers Nov. 20, 2012
8294442 Low dropout regulator circuit without external capacitors rapidly responding to load change Oct. 23, 2012
8237376 Fast switching, overshoot-free, current source and method Aug. 7, 2012
8232785 System and method using a current mirror to program an output voltage and current Jul. 31, 2012
8217638 Linear regulation for use with electronic circuits Jul. 10, 2012
8183711 Power extraction from signal sinks May. 22, 2012
8179115 Bandgap circuit having a zero temperature coefficient May. 15, 2012
8148962 Transient load voltage regulator Apr. 3, 2012
8134355 Semiconductor device and RFID tag using the semiconductor device Mar. 13, 2012
8129968 Integrated circuit for system calibration Mar. 6, 2012
8129977 Reference voltage generating circuit and DC-DC converter including the same Mar. 6, 2012
8102168 PSRR regulator with UVLO Jan. 24, 2012
8093875 System and method for cable resistance cancellation Jan. 10, 2012
8085019 Device for generating internal power supply voltage and method thereof Dec. 27, 2011
8072329 Voltage regulators using a resistive chain to bias a native transistor Dec. 6, 2011
8040118 Low-dropout voltage regulator with level limiter limiting level of output voltage when level of load current changes and method of operating the same Oct. 18, 2011
8008889 Charging circuit for secondary battery, power supply switching method in charging circuit for secondary battery, and power supply unit Aug. 30, 2011
7994764 Low dropout voltage regulator with high power supply rejection ratio Aug. 9, 2011
7960955 Power supply device, electronic device using the same, and semiconductor device Jun. 14, 2011

1 2 3 4 5 6 7 8

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