| 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) |
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| 03/09/2011 | EP2293165A1 Multi-current-source and method for regulating current |
| 03/08/2011 | US7904740 Power supply efficiency optimization |
| 03/08/2011 | US7903150 Differential amplifier circuit used in solid-state image pickup apparatus, and arrangement that avoids influence of variations of integrated circuits in manufacture and the like |
| 03/08/2011 | US7902914 Semiconductor integrated circuit |
| 03/08/2011 | US7902912 Bias current generator |
| 03/08/2011 | US7902911 Booster circuit |
| 03/08/2011 | US7902910 Boosted voltage generator for increasing boosting efficiency according to load and display apparatus including the same |
| 03/08/2011 | US7902808 Constant current circuit for supplying a constant current to operating circuits |
| 03/03/2011 | US20110050670 Boosting circuit for wide range supply voltage, electronic device including the same and voltage boosting method |
| 03/03/2011 | US20110050331 High voltage current source and voltage expander in low voltage process |
| 03/03/2011 | US20110050330 Reference current generating circuit |
| 03/03/2011 | US20110050328 Methods and Circuits for a Low Input Voltage Charge Pump |
| 03/03/2011 | US20110050198 Low-power voltage regulator |
| 03/03/2011 | US20110050197 Reference current or voltage generation circuit |
| 03/03/2011 | US20110050195 DC to DC Converter |
| 03/03/2011 | CA2772558A1 Improved fault current limiter with saturated core |
| 03/02/2011 | EP1468447B1 Adaptive threshold voltage control with positive body bias for n and p-channel transistors |
| 03/01/2011 | US7898879 Semiconductor device and control method of the same |
| 03/01/2011 | US7898321 Driver circuit |
| 03/01/2011 | US7898320 Auto-nulled bandgap reference system and strobed bandgap reference circuit |
| 03/01/2011 | US7898319 Efficiency improvement in charge pump system for low power application |
| 03/01/2011 | US7898232 Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit |
| 03/01/2011 | US7898228 Reverse recovery current assisted body-controlled switch |
| 02/24/2011 | US20110043951 Temperature Variance Nullification In An Inrush Current Suppression Circuit |
| 02/24/2011 | US20110043185 Current reference circuit |
| 02/24/2011 | US20110043184 CMOS Bandgap Reference Source Circuit with Low Flicker Noises |
| 02/24/2011 | US20110043183 Field instrument |
| 02/24/2011 | DE10048433B4 Lastbetätigungsschaltkreis Load actuation circuit |
| 02/22/2011 | US7893756 Precision current source |
| 02/22/2011 | US7893753 Booster circuit, semiconductor device, and electronic apparatus |
| 02/22/2011 | US7893752 Charge pump circuit with control circuitry |
| 02/22/2011 | US7893681 Electronic circuit |
| 02/22/2011 | US7891869 Temperature sensor circuit and calibration method thereof |
| 02/17/2011 | US20110037745 Level shift output circuit and plasma display apparatus using the same |
| 02/17/2011 | US20110037451 Bandgap voltage reference circuit |
| 02/17/2011 | US20110037450 Semiconductor device |
| 02/17/2011 | US20110037449 Semiconductor device |
| 02/17/2011 | US20110037444 Bridgeless Boost PFC Circuits and Systems With Reduced Common Mode EMI |
| 02/16/2011 | EP2284640A1 Low thermal hysteresis bandgap voltage reference |
| 02/16/2011 | CN1987711B Power supply circuit |
| 02/16/2011 | CN101976095A High-precision band-gap reference source circuit based on emitter current compensation |
| 02/16/2011 | CN101976094A Precise current generating circuit |
| 02/16/2011 | CN101976093A Reference voltage generation circuit |
| 02/16/2011 | CN101052933B 基准电路 Reference circuit |
| 02/16/2011 | CN101025639B Band gap constant-voltage circuit |
| 02/15/2011 | US7890216 Control valve and positioner diagnostics |
| 02/15/2011 | US7888987 Temperature compensation circuit |
| 02/15/2011 | US7888824 Independent power supply module for LCD |
| 02/10/2011 | WO2011017057A2 Low power wireless controller systems and methods |
| 02/10/2011 | WO2011016153A1 Reference voltage generation circuit |
| 02/10/2011 | US20110032028 Voltage variation reducing circuit and semiconductor device using the same |
| 02/10/2011 | US20110031957 Controlling power loss in a switched-capacitor power converter |
| 02/10/2011 | US20110031955 Constant current device |
| 02/10/2011 | US20110031954 Driving power-supply circuit |
| 02/10/2011 | US20110031953 Envelope tracking power supply circuit and high-frequency amplifier including envelope tracking power supply circuit |
| 02/10/2011 | US20110031941 System and method for current balancing |
| 02/10/2011 | US20110031918 Output circuit |
| 02/09/2011 | EP2282249A1 Current mirror system |
| 02/09/2011 | EP2282248A1 A constant current device |
| 02/09/2011 | CN201742374U Track-to-track operational amplifier |
| 02/09/2011 | CN101405672B High-win circuit for multi-phase current mode control |
| 02/09/2011 | CN101334681B Depletion type MOS tube steady voltage source circuit |
| 02/09/2011 | CN101242138B A startup auxiliary power circuit |
| 02/08/2011 | USRE42116 Low dropout regulator capable of on-chip implementation |
| 02/08/2011 | US7884665 Charge pump circuit, LCD driver IC, and electronic appliance |
| 02/08/2011 | US7884594 Method and apparatus for distribution of a voltage reference in integrated circuits |
| 02/08/2011 | US7884593 Differential and symmetrical current source |
| 02/08/2011 | US7884507 Remote electrical equipment power source |
| 02/03/2011 | US20110025408 Switches with bias resistors for even voltage distribution |
| 02/03/2011 | US20110025291 Start-Up Circuits for Starting Up Bandgap Reference Circuits |
| 02/03/2011 | US20110025290 DC Power Converting Circuit and Method Thereof |
| 02/02/2011 | EP2279550A2 System and method using a current mirror to program an output voltage and current |
| 02/02/2011 | EP2279468A1 Self-tuning digital current estimator for low-power switching converters |
| 02/02/2011 | CN1637946B Internal voltage generating circuit in semiconductor memory device |
| 02/02/2011 | CN101965545A Vt stabilization of tft's in OLED backplanes |
| 02/02/2011 | CN101964359A Bipolar transistor, forming method thereof and virtual ground circuit |
| 02/02/2011 | CN101964346A Bipolar transistor, forming method of bipolar transistor and band-gap reference circuit |
| 02/02/2011 | CN101963821A Start-up circuit and bandgap voltage reference circuit with same |
| 02/02/2011 | CN101458539B Current source circuit and current source implementing method |
| 02/01/2011 | US7880577 Current doubler rectifier with current ripple cancellation |
| 02/01/2011 | US7880534 Reference circuit for providing precision voltage and precision current |
| 02/01/2011 | US7880533 Bandgap voltage reference circuit |
| 02/01/2011 | US7880531 System, apparatus, and method for selectable voltage regulation |
| 02/01/2011 | US7880459 Circuits and methods to produce a VPTAT and/or a bandgap voltage |
| 02/01/2011 | US7880342 DC bus regulator |
| 01/27/2011 | WO2011011503A2 System and method for pre-charging a bootstrap capacitor in a swithing regulator with high pre- bias voltage |
| 01/27/2011 | US20110018621 Current mirror circuit |
| 01/27/2011 | US20110018620 Semiconductor Integrated Circuit Having Normal Mode And Self-Refresh Mode |
| 01/27/2011 | US20110018619 Integrated negative voltage generator |
| 01/27/2011 | US20110018616 Charge pump circuit |
| 01/27/2011 | US20110018614 Semiconductor switch |
| 01/27/2011 | US20110018587 Method and circuit for configuring pin states |
| 01/27/2011 | US20110018521 Method and device for increasing control accuracy in a pwm system |
| 01/27/2011 | US20110018520 Reference voltage circuit and electronic device |
| 01/27/2011 | US20110018481 Method for controlling a polyphase converter with distributed energy stores at low output frequencies |
| 01/26/2011 | CN101960404A System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation |
| 01/26/2011 | CN101533288B A closed-loop curvature compensation CMOS band-gap reference voltage source |
| 01/26/2011 | CN101453809B Dimmer control system having remote infrared transmitters |
| 01/26/2011 | CN101430573B Control circuit for a bandgap circuit |
| 01/26/2011 | CN101404490B Current-mode differential transmitter and receiver |