| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 07/01/2009 | CN101470455A Direct current auto-bias compensation method and system, semiconductor processing equipment |
| 07/01/2009 | CN101470454A Step-down circuit, semiconductor device, and step-down circuit controlling method |
| 07/01/2009 | CN101470453A Hybrid voltage regulation apparatus and method |
| 07/01/2009 | CN101470452A Electric intensity autotracking and control method |
| 07/01/2009 | CN100508374C Current-mode instrumentation amplifier |
| 07/01/2009 | CN100507795C Power factor auto-adjusting device |
| 07/01/2009 | CN100507794C Adaptive power management apparatus and method |
| 07/01/2009 | CN100507793C Voltage converter apparatus |
| 06/30/2009 | US7554777 Power supply control apparatus including control circuit chip with reverse-connected battery protection |
| 06/30/2009 | US7554387 Precision on chip bias current generation |
| 06/30/2009 | US7554386 High voltage generation circuit and method for reducing peak current and power noise for a semiconductor memory device |
| 06/30/2009 | US7554385 Charge pump circuit and electric appliance therewith |
| 06/30/2009 | US7554384 Methods and arrangements for generating a control signal for a power converter |
| 06/30/2009 | US7554315 Method and apparatus for adjusting a reference |
| 06/30/2009 | US7554313 Apparatus and method for start-up circuit without a start-up resistor |
| 06/30/2009 | US7554311 Hybrid charge pump regulation |
| 06/30/2009 | US7554310 Digital double-loop output voltage regulation |
| 06/30/2009 | US7554309 Circuits, devices and methods for regulator minimum load control |
| 06/30/2009 | US7554307 Low dropout linear regulator having high power supply rejection and low quiescent current |
| 06/30/2009 | US7554306 Low drop out voltage regulator circuit assembly |
| 06/30/2009 | US7554305 Linear regulator with discharging gate driver |
| 06/30/2009 | US7554304 Low dropout voltage regulator for slot-based operation |
| 06/30/2009 | US7554273 Protection for external electrode fluorescent lamp system |
| 06/25/2009 | WO2009078345A1 Constant voltage circuit |
| 06/25/2009 | WO2009077011A1 Supply arrangement, supply unit and method for supplying an electronic unit |
| 06/25/2009 | US20090161472 Memory voltage control circuit |
| 06/25/2009 | US20090160542 Stable voltage generating circuit for a delay locked loop and semiconductor memory device including the same and method of generating a stable voltage for a delay locked loop |
| 06/25/2009 | US20090160541 Digital Photo Frame with Power Saving Function and Related Power Saving Method |
| 06/25/2009 | US20090160540 Power-up circuit for reducing a variation in triggering voltage in a semiconductor integrated circuit |
| 06/25/2009 | US20090160539 Voltage reference circuit |
| 06/25/2009 | US20090160536 Electronic device, load fluctuation compensation circuit, power supply, and test apparatus |
| 06/25/2009 | US20090160532 Charge pump circuit |
| 06/25/2009 | US20090160531 Multi-threshold voltage-biased circuits |
| 06/25/2009 | US20090160422 Boost converter with adaptive coil peak current |
| 06/25/2009 | US20090160421 Multi-regulator power delivery system for ASIC cores |
| 06/25/2009 | US20090160416 Dc-dc converter |
| 06/25/2009 | US20090160415 Method and apparatus to control a power supply for high efficiency |
| 06/25/2009 | US20090160414 Comparator-system dc-dc converter |
| 06/25/2009 | US20090160413 Method and arrangement for the power supply of an induction heating device |
| 06/25/2009 | US20090160411 Fast voltage regulators for charge pumps |
| 06/25/2009 | US20090160410 Real time clock (rtc) voltage regulator and method of regulating an rtc voltage |
| 06/25/2009 | US20090160265 Method of driving dc/dc converter, and dc/dc converter |
| 06/25/2009 | DE112007001923T5 Signalerzeugungseinheit und Verfahren zum Erzeugen eines Datensignals in einer Steuereinheit einer Stromversorgungseinrichtung Signal generation unit and method for generating a data signal in a control unit of a power supply device |
| 06/25/2009 | DE102007056618A1 Solar collector plant, has transfer device for transferring direct current produced by sunbeams into alternating current, and alternator and internal combustion engine connected to common shaft of direct current electric motor |
| 06/24/2009 | EP1704636B1 Variable ac voltage regulation control method and apparatus |
| 06/24/2009 | EP0900418B1 Method and apparatus for sensing current in power supplies |
| 06/24/2009 | CN201262717Y Adaptive control circuit for inside and outside setting current of integrated circuit |
| 06/24/2009 | CN201262716Y Controllable 4-20mA current output circuit |
| 06/24/2009 | CN201262715Y Successive comparison noncontact voltage regulator |
| 06/24/2009 | CN101464699A Low-pressure difference linear voltage stabilizer with high power supply rejection ratio |
| 06/24/2009 | CN101464698A Power supply circuit and power supply method |
| 06/24/2009 | CN100505506C Power supply for positive and negative output voltages |
| 06/24/2009 | CN100505461C Protection circuit for a switched mode power supply |
| 06/24/2009 | CN100505460C Electric power device and power source control method |
| 06/24/2009 | CN100504709C Overcurrent detecting circuit and regulator having the same |
| 06/24/2009 | CN100504708C Voltage regulator |
| 06/24/2009 | CN100504707C Transient voltage compensation device and power supply device using same |
| 06/24/2009 | CN100504706C Digitally control for a DC-DC converter |
| 06/24/2009 | CN100504679C Process device with switching power supply |
| 06/23/2009 | US7551021 Low-leakage current sources and active circuits |
| 06/23/2009 | US7551020 Enhanced output impedance compensation |
| 06/23/2009 | US7551018 Decoupling capacitor circuit |
| 06/23/2009 | US7551003 Current mirror circuit and constant current circuit having the same |
| 06/23/2009 | US7550959 Power supply device and switching power supply device |
| 06/23/2009 | US7550957 DC-DC converter and control circuit thereof |
| 06/23/2009 | US7550956 Apparatus, system, and method for dynamic loss compensation for voltage converters |
| 06/23/2009 | US7550955 Power supply circuit |
| 06/23/2009 | US7550954 Method and circuit for a voltage supply for real time clock circuitry based on voltage regulated charge pump |
| 06/23/2009 | US7550952 Electric power control apparatus, power generation system and power grid system |
| 06/23/2009 | US7550951 Two-step battery charger |
| 06/23/2009 | US7550933 Offline control circuit of LED driver to control the maximum voltage and the maximum current of LEDs |
| 06/23/2009 | US7550875 Power converter and related method capable of providing multiple output voltages |
| 06/18/2009 | WO2009076545A1 Methods and apparatus for power supply |
| 06/18/2009 | WO2009076540A1 Methods and apparatus for multiphase power regulator |
| 06/18/2009 | WO2009075694A1 Hybrid microscale-nanoscale neuromorphic integrated circuit |
| 06/18/2009 | US20090157232 Method and Apparatus for Preserving Battery Operation and Life During Vehicle Post Idle Shutdown Control |
| 06/18/2009 | US20090156119 Communication through a barrier |
| 06/18/2009 | US20090153236 Power control circuit with low power consumption |
| 06/18/2009 | US20090153235 Load controller |
| 06/18/2009 | US20090153234 Current mirror device and method |
| 06/18/2009 | US20090153233 Bias circuit |
| 06/18/2009 | US20090153232 Low voltage charge pump |
| 06/18/2009 | US20090153230 Low Voltage Charge Pump with Regulation |
| 06/18/2009 | US20090153227 Temperature sensor circuit |
| 06/18/2009 | US20090153127 Method and apparatus for external control mode step down switching regulator |
| 06/18/2009 | US20090153124 Dc-to-dc converter |
| 06/18/2009 | US20090153122 Dropper-type regulator |
| 06/18/2009 | US20090153121 Voltage supply interface with improved current sensitivity and reduced series resistance |
| 06/18/2009 | US20090153120 Phase doubling for switching power supply |
| 06/18/2009 | US20090153119 Method and device for measuring current for a dc-dc converter |
| 06/18/2009 | US20090153118 Power supply controller and mechanical apparatus using the same |
| 06/18/2009 | US20090153117 Load controller |
| 06/18/2009 | US20090153116 Switching controller and semiconductor device used in the same |
| 06/18/2009 | US20090153115 DC-DC converter drive circuit which has step up mode and step down mode |
| 06/18/2009 | US20090153114 DC-DC converters with transient response control |
| 06/18/2009 | US20090153113 Apparatus, method and system for control of ac/ac conversion |
| 06/18/2009 | US20090153112 Linear step-down voltage regulator |
| 06/18/2009 | US20090153111 Switching Power Converter with Reduced Switching Losses |
| 06/18/2009 | US20090153110 Control method for multi-phase DC-DC controller and multi-phase DC-DC controller |
| 06/18/2009 | US20090153109 Multi-cell voltage regulator |