Patents
Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739)
10/2008
10/30/2008US20080265860 Low voltage bandgap reference source
10/30/2008US20080265859 Electronic device for controlled failure
10/29/2008CN100429600C Electric current and voltage reference circuit
10/28/2008US7443391 Current drive circuit and display
10/28/2008US7443153 Method and apparatus for a voltage triggered current sink circuit
10/28/2008US7443146 Auxiliary turn-on mechanism for reducing conduction loss in body-diode of low side MOSFET of coupled-inductor DC-DC converter
10/28/2008US7443144 Voltage regulation system comprising operating condition detection means
10/28/2008US7441711 Semiconductor device and IC card
10/23/2008US20080259990 Temperature sensor circuit and calibration method thereof
10/23/2008US20080258804 Numerical band gap
10/23/2008US20080258803 Semiconductor circuit
10/23/2008US20080258801 Internal voltage generator of semiconductor memory device
10/23/2008US20080258695 Switching device integrated with light emitting device
10/23/2008US20080258692 Zero crossing detection for an electric power generation system
10/22/2008CN100428105C High temp stability reference voltage source corrected by 1V power supply non-linear technology
10/22/2008CN100428104C Bandgap reference source with multiple point curvature compensation
10/22/2008CN100428102C Voltage reference circuit
10/21/2008US7439798 Regulator circuit
10/21/2008US7439795 Charge pump circuit with reduced parasitic capacitance
10/21/2008US7439793 Charge pump circuits and methods for the same
10/21/2008US7439480 Regulated current mirror
10/16/2008WO2008123919A1 Capacitor multipler circuits and the applications thereof to attenuate row-wise temporal noise in image sensors
10/16/2008US20080252282 Reference current circuit
10/16/2008US20080251731 Method and apparatus for pulsed uv measurement
10/15/2008CN201134057Y Startup circuit of current mirror realized by Self-cascode
10/15/2008CN101286707A LED energy saving lamp of power factor compensation type driven by constant-current
10/15/2008CN101286364A Phase-change memorizer 1R1T structure and its driver circuit design method
10/15/2008CN101286076A Energy-gap reference circuit
10/14/2008US7436247 Step-down circuit with stabilized output voltage
10/14/2008US7436245 Variable sub-bandgap reference voltage generator
10/14/2008US7436244 Circuit for reference current and voltage generation
10/14/2008US7436243 Integrated circuits with on-chip AC noise suppression
10/14/2008US7436157 Device for preparing a supply voltage
10/14/2008CA2292714C Constant current power supply over a wide range of input voltages
10/09/2008WO2008121597A1 Method for clamping a semiconductor region at or near ground
10/09/2008WO2008121123A1 Bandgap voltage and current reference
10/09/2008WO2008120350A1 Reference voltage generation circuit
10/09/2008WO2008085781B1 Biasing current to speed up current mirror settling time
10/09/2008US20080246537 Programmable discontinuity resistors for reference ladders
10/09/2008US20080246536 Two-phase charge pump circuit without body effect
10/09/2008US20080246534 Multi-chip semiconductor device with high withstand voltage, and a fabrication method of the same
10/08/2008CN101282090A Capacitance partial pressure DC voltage stabilizing power source
10/08/2008CN100425060C Current stabilization circuit, current stabilization method, and solid-state imaging apparatus
10/07/2008US7432758 Voltage regulator for semiconductor memory
10/07/2008US7432757 Booster circuit, semiconductor device, and electronic apparatus
10/07/2008US7432756 Regulated charge pump circuit and application in power stages employing normally on power switching devices
10/07/2008US7432689 Buck-boost control logic for PWM regulator
10/02/2008US20080238401 Method and apparatus for adjusting a reference
10/02/2008US20080238400 Bandgap voltage and current reference
10/02/2008US20080238384 Current source circuit and method of outputting current
10/01/2008CN101276229A Current mode receiver
10/01/2008CN101276228A Semiconductor device generating voltage for temperature compensation
10/01/2008CN101276227A Reference current circuit
10/01/2008CN100423425C Multiple-output power device, and mobile device using the same
10/01/2008CN100423134C Internal power supply voltage controller with two standard voltage generation circuit
09/2008
09/30/2008US7429888 Temperature compensation for floating gate circuits
09/30/2008US7429854 CMOS current mirror circuit and reference current/voltage circuit
09/30/2008US7429853 Series resonant circuit and voltage stabilizing method thereof
09/30/2008US7429851 Constant voltage power supply circuit
09/30/2008CA2221446C Optical sensor including information element
09/25/2008WO2007122551A3 Circuit arrangement and corresponding method for voltage reference and/or for current reference
09/25/2008US20080231352 Adjusting PLL/analog supply to track CPU core supply through a voltage regulator
09/25/2008US20080231351 Voltage step-down circuit
09/25/2008US20080231347 Charge pump circuit
09/25/2008US20080231249 Integrated circuit current reference
09/25/2008US20080231248 Fast start-up circuit bandgap reference voltage generator
09/25/2008US20080230836 Semiconductor device and boost circuit
09/24/2008CN101271346A Band-gap voltage reference circuit with low-power consumption and high electric power rejection ratio
09/24/2008CN100421045C Voltage regulator with self-compensation, booster circuit and related method of regulating voltage
09/23/2008US7427892 Current source circuit and method of outputting current
09/23/2008US7427854 DC current regulator insensitive to conducted EMI
09/18/2008WO2008110649A1 Programmable electrical sequencer and use thereof for combining and balancing fragrances
09/18/2008WO2008110410A1 Low noise voltage reference circuit
09/18/2008US20080224761 Opamp-less bandgap voltage reference with high psrr and low voltage in cmos process
09/18/2008US20080224760 Reference voltage generator and integrated circuit including a reference voltage generator
09/18/2008US20080224682 Voltage reference circuit
09/18/2008US20080224634 LED circuit with current control
09/18/2008US20080224632 Constant current circuit and light emitting diode drive circuit
09/17/2008CN101267203A Simulation buffer with voltage compensation mechanism
09/17/2008CN101266506A CMOS process band-gap reference voltage source without operation amplifier
09/16/2008US7425862 Driver circuit that employs feedback to enable operation of output transistor in triode region and saturation region
09/10/2008EP1966669A2 Low power bandgap reference circuit with increased accuracy and reduced area consumption
09/10/2008CN201113813Y Power supply converter
09/10/2008CN101262223A Phase reverse, or/no gate, and/no gate with adjustable overturn point
09/10/2008CN101262213A Input signal detecting circuit
09/10/2008CN100418124C Current source circuit and method of outputting current
09/09/2008US7423475 Providing optimal supply voltage to integrated circuits
09/09/2008US7423416 Voltage regulator and method for providing a regulated output
09/04/2008US20080212381 Voltage generating circuits for semiconductor memory devices and methods for the same
09/04/2008US20080211979 Voltage boosting power supply circuit for monitoring charging voltage with predetermined voltage to detect boosted voltage, and boosted voltage control method
09/04/2008US20080211572 Reference voltage generating circuit and semiconductor integrated circuit device
09/04/2008US20080211570 Systems, Methods, and Integrated Circuits with Inrush-Limited Power Islands
09/03/2008CN101258462A Software key labeling on software keyboards
09/03/2008CN101257282A Frequency mixer
09/02/2008US7420408 Current control circuit with limiter, temperature control circuit, and brightness control circuit
09/02/2008US7420359 Bandgap curvature correction and post-package trim implemented therewith
09/02/2008US7420358 Internal voltage generating apparatus adaptive to temperature change
08/2008
08/28/2008US20080205167 Voltage generator for nonvolatile memory and writing and erasing method of nonvolatile memory
08/28/2008US20080204122 Circuit for eliminating pop sounds at power on and off by a moderate waveform
08/28/2008US20080204121 Voltage generating circuit having charge pump and liquid crystal display using same
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