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Class Information
Number: 323/311
Name: Electricity: power supply or regulation systems > Self-regulating (e.g., nonretroactive) > Using a three or more terminal semiconductive device as the final control device
Description: Subject matter wherein the final control device within the self-regulating system is a transistor or semiconductor controlled rectifier.

Sub-classes under this class:

Class Number Class Name Patents
323/312 For current stabilization 453

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710812 Regulating a supply voltage provided to a load circuit Apr. 29, 2014
8704590 Control circuit for power converter and method thereof Apr. 22, 2014
8686706 Reference voltage regulating method and circuit for constant current driver Apr. 1, 2014
8680839 Offset calibration technique to improve performance of band-gap voltage reference Mar. 25, 2014
8680840 Circuits and methods of producing a reference current or voltage Mar. 25, 2014
8648580 Regulator with high PSRR Feb. 11, 2014
8624575 Voltage stabilizing circuit Jan. 7, 2014
8611119 Contactless interface Dec. 17, 2013
8610493 Bias circuit and analog integrated circuit comprising the same Dec. 17, 2013
8604645 Supply arrangement, supply unit and method for supplying an electronic unit Dec. 10, 2013
8598862 Startup circuit for low voltage cascode beta multiplier current generator Dec. 3, 2013
8547080 Voltage regulator Oct. 1, 2013
8546847 Semiconductor device and power conversion apparatus using the same Oct. 1, 2013
8531169 Method and circuit for low power voltage reference and bias current generator Sep. 10, 2013
8513929 Method for providing and operating an LDO Aug. 20, 2013
8502519 Arrangement and approach for providing a reference voltage Aug. 6, 2013
8497671 Load driving device with over current protection Jul. 30, 2013
8450991 Charge recycling a 1 of N NDL gate with a time varying power supply May. 28, 2013
8446140 Circuits and methods to produce a bandgap voltage with low-drift May. 21, 2013
8421427 Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus Apr. 16, 2013
8385135 Low consumption voltage regulator for a high voltage charge pump, voltage regulation method, and memory device provided with the voltage regulator Feb. 26, 2013
8384369 Microprocessor controlled variation in cut-out pulse application in alternating current power Feb. 26, 2013
8362757 Data retention secondary voltage regulator Jan. 29, 2013
8350542 Stepwise ramp voltage generator Jan. 8, 2013
8278893 System including an offset voltage adjusted to compensate for variations in a transistor Oct. 2, 2012
8248054 On/off detection circuit having function for timely detecting current flowing in electronic device Aug. 21, 2012
8230251 Time sequence control circuit Jul. 24, 2012
8143876 Digital regulator in power management Mar. 27, 2012
8120306 Voltage source inverter with a voltage offset Feb. 21, 2012
8115536 Self-oscillating switch circuit for use in a switching DC-DC converter Feb. 14, 2012
8054059 DC/DC converter and current sense circuit thereof Nov. 8, 2011
8054052 Constant voltage circuit Nov. 8, 2011
8054306 Circuit providing common voltage for panel of display Nov. 8, 2011
8040648 Speed controller including a device for protection against overcurrents and overvoltages Oct. 18, 2011
8013582 Voltage control circuit Sep. 6, 2011
7983539 Control circuit for fan Jul. 19, 2011
7982448 Circuit and method for reducing overshoots in adaptively biased voltage regulators Jul. 19, 2011
7952309 Rotating electrical machine control device May. 31, 2011
7911157 Device for controlling the current through a PN junction Mar. 22, 2011
7906993 High linearity voltage-current converter able to compensate for mobility degradation Mar. 15, 2011
7863969 Power supply voltage dropping circuit using an N-channel transistor output stage Jan. 4, 2011
7859242 DC-DC Converter Dec. 28, 2010
7847623 Device and method for power switch monitoring Dec. 7, 2010
7830151 Electronic voltage supply method and apparatus Nov. 9, 2010
7724075 Method to provide a higher reference voltage at a lower power supply in flash memory devices May. 25, 2010
7589563 Device and method for voltage regulator with stable and fast response and low standby current Sep. 15, 2009
7554312 DC-to-DC voltage converter Jun. 30, 2009
7532063 Apparatus for generating reference voltage in semiconductor memory apparatus May. 12, 2009
7472030 Dual mode single temperature trimming Dec. 30, 2008
7463013 Regulated current mirror Dec. 9, 2008

1 2 3

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