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Class Information
Number: 327/538
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > With specific source of supply or bias voltage > Stabilized (e.g., compensated, regulated, maintained, etc.)
Description: Subject matter wherein the bias circuit or a particular arrangement of the power supply offsets undesired changes in the circuit signals or maintains the circuit in its normal operating state.

Sub-classes under this class:

Class Number	Class Name	Patents
327/539	Using bandgap	538
327/543	Using field-effect transistor	1,017
327/542	With diverse type transistor devices	178
327/540	With voltage source regulating	934

Patents under this class:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number	Title Of Patent	Date Issued
8089305	Power supply voltage reset circuit and reset signal generating method	Jan. 3, 2012
8076912	Semiconductor integrated circuit and method of controlling MEMS-type variable capacitance capacitor	Dec. 13, 2011
8072259	Voltage reference and supply voltage level detector circuits using proportional to absolute temperature cells	Dec. 6, 2011
8063624	High side high voltage switch with over current and over voltage protection	Nov. 22, 2011
8058924	Method and apparatus for a process, voltage, and temperature variation tolerant semiconductor device	Nov. 15, 2011
8054703	Active termination circuit and method for controlling the impedance of external integrated circuit terminals	Nov. 8, 2011
8051312	Apparatus and method for reducing power consumption by an integrated circuit	Nov. 1, 2011
8049483	Reference voltage generation circuit and bias circuit	Nov. 1, 2011
8045944	Offset correction for passive mixers	Oct. 25, 2011
8044708	Reference voltage generator	Oct. 25, 2011
8040195	Current source device, oscillator device and pulse generator	Oct. 18, 2011
8040177	Internal voltage generating circuit of semiconductor device	Oct. 18, 2011
8040123	Reference voltage circuit	Oct. 18, 2011
8037326	Power control unit with digitally supplied system parameters	Oct. 11, 2011
8035440	Multistage charge pumps with diode loss compensation	Oct. 11, 2011
8016481	Method and apparatus of measuring temperature	Sep. 13, 2011
8013668	Bias current compensation device and method	Sep. 6, 2011
8008965	Device for supplying power to an intergrated circuit	Aug. 30, 2011
8008953	Gate control circuit	Aug. 30, 2011
8004349	Power supply unit	Aug. 23, 2011
8004347	Internal supply voltage generator capable of reducing latch-up and semiconductor device having the same	Aug. 23, 2011
7999628	Bias generation circuit and voltage controlled oscillator	Aug. 16, 2011
7999606	Temperature independent reference circuit	Aug. 16, 2011
7994847	Reduced gain variation biasing for short channel devices	Aug. 9, 2011
7990203	Internal voltage generation apparatus for semiconductor device	Aug. 2, 2011
7990130	Band gap reference voltage circuit	Aug. 2, 2011
7983106	Voltage stabilization circuit and semiconductor memory apparatus using the same	Jul. 19, 2011
7982524	Level shift circuit and semiconductor device thereof	Jul. 19, 2011
7978005	Reference current generator with low temperature coefficient dependence	Jul. 12, 2011
7977985	Bias generator providing for low power, self-biased delay element and delay line	Jul. 12, 2011
7977932	Semiconductor integrated circuit device	Jul. 12, 2011
7973593	Reference voltage generation circuit and start-up control method therefor	Jul. 5, 2011
7970291	Optical-receiving apparatus and bias-voltage-control method used for the optical-receiving apparatus	Jun. 28, 2011
7969236	Reference current generator with low temperature coefficient dependence	Jun. 28, 2011
7965132	Transistor output circuit and method	Jun. 21, 2011
7965131	Bias voltage generation circuit and driver integrated circuit	Jun. 21, 2011
7965129	Temperature compensated current reference circuit	Jun. 21, 2011
7961037	Intermediate potential generation circuit	Jun. 14, 2011
7956676	Semiconductor apparatus	Jun. 7, 2011
7956672	Reference voltage generating circuit	Jun. 7, 2011
7952421	All NPN-transistor PTAT current source	May. 31, 2011
7949978	Structure for system architectures for and methods of scheduling on-chip and across-chip noise events in an integrated circuit	May. 24, 2011
7948480	Current driving circuit	May. 24, 2011
7944282	Voltage generation circuit and semiconductor memory using the same	May. 17, 2011
7944281	Constant reference cell current generator for non-volatile memories	May. 17, 2011
7944280	Bandgap reference generator utilizing a current trimming circuit	May. 17, 2011
7940036	Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the same	May. 10, 2011
7936632	Semiconductor device including an internal circuit receiving two different power supply sources	May. 3, 2011
7936204	Temperature sensing circuit	May. 3, 2011
7936161	Bias circuit having second current path to bandgap reference during power-on	May. 3, 2011