| 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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| 07/09/2008 | CN201084037Y Industrial control voltage-stabilized power supply |
| 07/09/2008 | CN201084036Y Long distance alternating current supply alternating-current voltage-stabilizing device |
| 07/09/2008 | CN101218553A Method and apparatus for customizing of a power supply based on load characteristic data |
| 07/09/2008 | CN101217627A A power control device for vehicle use 2.4G wireless radio receiver |
| 07/09/2008 | CN101217231A A control and protective circuit on control and protective switch electric apparatus |
| 07/09/2008 | CN101214575A Arc power control device of submerged arc welding machine |
| 07/09/2008 | CN100401627C DC-DC converting method and apparatus |
| 07/08/2008 | US7397710 Internal voltage level control circuit and semiconductor memory device as well as method of controlling the same |
| 07/08/2008 | US7397678 Method for driving a switch that controls current drawn in a power factor correction circuit and a drive circuit therefor |
| 07/08/2008 | US7397677 Apparatus and method for charge pump control with adjustable series resistance |
| 07/08/2008 | US7397644 Power supply device and electric circuit |
| 07/08/2008 | US7397299 N-stage exponential charge pumps, charging stages therefor and methods of operation thereof |
| 07/08/2008 | US7397298 Semiconductor device having internal power supply voltage generation circuit |
| 07/08/2008 | US7397230 Integrated FET synchronous multiphase buck converter with innovative oscillator |
| 07/08/2008 | US7397229 Switch mode power circuit |
| 07/08/2008 | US7397228 Programmable on-chip sense line |
| 07/08/2008 | US7397227 Fast-disabled voltage regulator circuit with low-noise feedback loop and operating method thereof |
| 07/08/2008 | US7397226 Low noise, low power, fast startup, and low drop-out voltage regulator |
| 07/08/2008 | US7397225 Apparatus for controlling the power of an AC voltage supplying an electrical consumer by phase control and method for reducing harmonics |
| 07/08/2008 | US7397204 Starting circuit for electric discharge lamp |
| 07/08/2008 | US7397201 DC digital starting device |
| 07/08/2008 | US7397195 Apparatus of light source and adjustable control circuit for LEDs |
| 07/08/2008 | US7397151 Power supply unit and portable apparatus using the same |
| 07/08/2008 | CA2460100C Power source regulation along a transmission line with feedback loop |
| 07/03/2008 | WO2008079188A2 Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit |
| 07/03/2008 | WO2008033674A3 High voltage latching and dc restoration isolation and level shifting method and apparatus |
| 07/03/2008 | WO2008030919A3 Multiphase power converters and multiphase power converting methods |
| 07/03/2008 | US20080158914 Full-bridge digital power converter controller and method to compensate volt-second imbalance |
| 07/03/2008 | US20080157860 Internal voltage generation circuit for generating stable internal voltages withstanding varying external conditions |
| 07/03/2008 | US20080157859 Unified voltage generation method with improved power efficiency |
| 07/03/2008 | US20080157858 Design structure for implementing oxide leakage based voltage divider network for integrated circuit devices |
| 07/03/2008 | US20080157856 Internal voltage generation device |
| 07/03/2008 | US20080157854 Multiple polarity reversible charge pump circuit |
| 07/03/2008 | US20080157853 Method for using a multiple polarity reversible charge pump circuit |
| 07/03/2008 | US20080157852 Unified voltage generation apparatus with improved power efficiency |
| 07/03/2008 | US20080157747 Power dimmer |
| 07/03/2008 | US20080157744 Voltage supply circuit, display device, electronic equipment, and voltage supply method |
| 07/03/2008 | US20080157743 Power supply and controller circuits |
| 07/03/2008 | US20080157742 Power supply and controller circuits |
| 07/03/2008 | US20080157741 Circuit to improve the load step of a nMOS based voltage regulator |
| 07/03/2008 | US20080157740 Hybrid low dropout voltage regulator circuit |
| 07/03/2008 | US20080157739 Method and apparatus to improve regulation of a power supply |
| 07/03/2008 | US20080157738 Dc-dc converter capable of performing for wide and dynamic voltage range |
| 07/03/2008 | US20080157737 Digital compensator design method and digital compensator for a switching mode power supply |
| 07/03/2008 | US20080157736 Controller for dc-dc converters with bypass compensation |
| 07/03/2008 | US20080157735 Adaptive pole and zero and pole zero cancellation control low drop-out voltage regulator |
| 07/03/2008 | US20080157734 Charge pump |
| 07/03/2008 | US20080157733 High-efficiency DC/DC voltage converter including up inductive switching pre-regulator and capacitive switching post-converter |
| 07/03/2008 | US20080157732 High-efficiency DC/DC voltage converter including capacitive switching pre-converter and up inductive switching post-regulator |
| 07/03/2008 | US20080157731 Generation of Analog Voltage Using Self-Biased Capacitive Feedback Stage |
| 07/03/2008 | US20080157730 High-voltage generation circuit and method for reducing overshoot of output voltage |
| 07/03/2008 | US20080157729 Charge pump regulator with multiple control options |
| 07/03/2008 | US20080157727 Power factor correction apparatus |
| 07/03/2008 | DE102007058419A1 Spannungsregler Voltage Regulators |
| 07/03/2008 | DE102007007501A1 CJ945 output stage component for operating e.g. magnet valve, in motor vehicle, has zener diode, which determines output voltage of component depending on control signals, where other zener diodes are connected parallel to former diode |
| 07/03/2008 | DE102006033506B4 Schottkykontakt-Bauelement und seine Verwendung Schottky device and its use |
| 07/02/2008 | EP1938454A2 Soft-start circuit and method for power-up of an amplifier circuit |
| 07/02/2008 | EP1938439A1 Method and apparatus for charging a battery from a complex direct current source |
| 07/02/2008 | EP1782144A4 Voltage regulator |
| 07/02/2008 | CN101213499A Efficient charge pump for a wide range of supply voltages |
| 07/02/2008 | CN101212186A Power circuit |
| 07/02/2008 | CN101212135A Battery protection circuit and battery using the same |
| 07/02/2008 | CN101211192A Simulated optical energy circuit |
| 07/02/2008 | CN101211191A Directional regulation circuit |
| 07/02/2008 | CN100399689C Switching regulator and method for changing output voltages thereof |
| 07/02/2008 | CN100399667C Generator reactive power adjuster and its adjusting flow |
| 07/02/2008 | CN100399621C Remanent electric quantity closed-loop controlling method for vehicle-carried auxiliary power accumulator set |
| 07/02/2008 | CN100399224C Current source with very high output impedance |
| 07/02/2008 | CN100399223C Switching circuit for producing an adjustable output characteristic |
| 07/02/2008 | CN100399222C Voltage regulator circuit having short-circuit protection circuit |
| 07/02/2008 | CN100398812C Wind energy turbine and wind farm consisting of a plurality of wind energy |
| 07/01/2008 | US7394673 Switching power supply apparatus provided with series-connected charge pump circuits |
| 07/01/2008 | US7394635 Current detection circuit and protection circuit |
| 07/01/2008 | US7394397 Standby loss prevention module, transformer system including same, and methods relating thereto |
| 07/01/2008 | US7394308 Circuit and method for implementing a low supply voltage current reference |
| 07/01/2008 | US7394307 Voltage regulator having reverse voltage protection and reverse current prevention |
| 07/01/2008 | US7394306 Regulator circuit |
| 07/01/2008 | US7394305 High-voltage pump switching circuit including ramp and discharge |
| 07/01/2008 | US7394264 Device for non-dissipative measurement of the current in an inductor |
| 07/01/2008 | US7394237 Maxium power point tracking method and tracking device thereof for a solar power system |
| 07/01/2008 | US7394236 Digital double-loop output voltage regulation |
| 07/01/2008 | US7394234 Power supply circuit and test apparatus |
| 07/01/2008 | US7394233 High efficiency modulated power supply |
| 07/01/2008 | US7394232 Interleaved switching converters in ring configuration |
| 07/01/2008 | US7394231 Current-mode control for switched step up-step down regulators |
| 07/01/2008 | US7394230 Total charge measurement |
| 07/01/2008 | US7394212 Inverter and inverter unit thereof |
| 07/01/2008 | US7394207 Circuit arrangement having a full bridge with switching load relief for operating lamps |
| 06/26/2008 | WO2008042070A3 Inverter with improved overcurrent protection circuit, and power supply and electronic ballast therefor |
| 06/26/2008 | WO2008027657A3 Hybrid linear switching voltage regulator |
| 06/26/2008 | WO2007130533A3 Method and apparatus for improving light load efficiency in switching power supplies |
| 06/26/2008 | WO2007084506A3 Power converter system |
| 06/26/2008 | US20080150771 Gain-Variable Analog/Digital Converter, Gain Adjustment Method For Gain-Variable Analog/Digital Converter, And System Including Gain-Variable Analog/Digital Converter |
| 06/26/2008 | US20080150624 Vgs replication apparatus, method, and system |
| 06/26/2008 | US20080150623 Voltage Regulator Integrated with Semiconductor Chip |
| 06/26/2008 | US20080150618 Apparatus and method for generating internal voltage in semiconductor integrated circuit |
| 06/26/2008 | US20080150617 Voltage Pump Circuit with an Oxide Stress Control Mechanism for use in High-Voltage Applications in an Integrated Circuit |
| 06/26/2008 | US20080150509 Voltage adjusting system and method for adjusting driving voltage of thermal print head |
| 06/26/2008 | US20080150508 Current-mode controlled switching regulator and control method therefor |
| 06/26/2008 | US20080150507 Switching Regulator |