| 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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| 08/27/2009 | WO2009104980A1 Power supply device for electric appliances located in an explosive medium (variants) |
| 08/27/2009 | WO2009104436A1 Power supply circuit device and voltage control method |
| 08/27/2009 | WO2009005736A3 Delta-sigma signal density modulation for optical transducer control |
| 08/27/2009 | US20090212853 Apparatus for supplying power in semiconductor integrated circuit and input impedance control method of the same |
| 08/27/2009 | US20090212852 Power supply circuit and semiconductor memory |
| 08/27/2009 | US20090212851 Power supply unit |
| 08/27/2009 | US20090212761 Dc-dc converter and voltage detector using same |
| 08/27/2009 | US20090212756 System and method for power controller |
| 08/27/2009 | US20090212755 Method and apparatus to provide temporary peak power from a switching regulator |
| 08/27/2009 | US20090212754 Noise reduction systems and methods |
| 08/27/2009 | US20090212753 Voltage regulator having fast response to abrupt load transients |
| 08/27/2009 | US20090212752 Power supply unit and portable device |
| 08/27/2009 | US20090212751 Controller for a Power Converter and Method of Operating The Same |
| 08/27/2009 | US20090212750 Method for operating an inverter having a step-up device connected upstream |
| 08/27/2009 | US20090212632 Emergency power unit |
| 08/27/2009 | DE102008010398A1 Method for determination of control of electrical power supply of one or multiple electrical loads, particularly light emitting diode, involves supplying electrical load by current limiting device with electrical energy |
| 08/27/2009 | DE102008010251A1 Verfahren zur Lichtstromsteuerung von gedimmten Leuchtmitteln sowie Schaltungsanordnung dafür Method for dimming is dimmed lamps and circuit arrangement therefor |
| 08/27/2009 | DE102008010250A1 Verfahren zur Lichtstromsteuerung von gedimmten Leuchtmitteln sowie Schaltungsanordnung dafür Method for dimming is dimmed lamps and circuit arrangement therefor |
| 08/27/2009 | DE102007052880B4 Elektronisches Peripheriegerät, Anordnung mit einem elektronischen Peripheriegerät und einem Computer, sowie Verfahren zur Stromsparsteuerung eines elektronischen Peripheriegerätes Electronic peripheral device, peripheral device having an electronic device and a computer, and to methods for power saving control of an electronic peripheral device |
| 08/26/2009 | EP2093645A2 Low drop out voltage regulator |
| 08/26/2009 | EP1709742B1 Pull-up circuit |
| 08/26/2009 | CN201298813Y Switching power circuit of special type sewing machine |
| 08/26/2009 | CN201298179Y Continuously adjustable D C regulated power supply |
| 08/26/2009 | CN201298178Y Mainboard power supply circuit of automatic coupling voltage regulating type AC stabilized voltage power supply |
| 08/26/2009 | CN101517853A Inverter with improved overcurrent protection circuit, and power supply and electronic ballast therefor |
| 08/26/2009 | CN101517507A Voltage regulator with drive override |
| 08/26/2009 | CN101516147A LED driving system |
| 08/26/2009 | CN101515798A Dynamic voltage generation device and method for using same |
| 08/26/2009 | CN101515720A Centralized control impulse type voltage-wattless automatic control system in thermal power plant |
| 08/26/2009 | CN101515184A Low drop out voltage regulator |
| 08/26/2009 | CN101515183A Output overvoltage regulating circuit |
| 08/26/2009 | CN100533328C Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit |
| 08/26/2009 | CN100533327C Voltage regulator circuit having overcurrent protection |
| 08/26/2009 | CN100533326C Soft switching interleaved power converter |
| 08/25/2009 | US7581122 Power supply integrated circuit with feedback control |
| 08/25/2009 | US7580805 Programmable calibration circuit for power supply current sensing and droop loss compensation |
| 08/25/2009 | US7580272 Power source apparatus |
| 08/25/2009 | US7579904 Semiconductor memory device |
| 08/25/2009 | US7579902 Charge pump for generation of multiple output-voltage levels |
| 08/25/2009 | US7579901 Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuit |
| 08/25/2009 | US7579851 Operation voltage supply apparatus and operation voltage supply method for semiconductor device |
| 08/25/2009 | US7579820 PWM/PFM control circuit and switching power supply circuit |
| 08/25/2009 | US7579819 Apparatus and method for flywheel current injection for a regulator |
| 08/25/2009 | US7579818 Current regulator and method therefor |
| 08/25/2009 | US7579817 Constant-voltage circuit capable of reducing time required for starting, semiconductor apparatus including constant-voltage circuit, and control method of constant-voltage circuit |
| 08/25/2009 | US7579816 Single feedback input for regulation at both positive and negative voltage levels |
| 08/25/2009 | US7579815 Current controlling circuit arrangement and associated method for reducing crosstalk |
| 08/25/2009 | US7579814 Power converter with snubber |
| 08/25/2009 | US7579813 Power regulator having a voltage regulator module and having a voltage buffer module to provide a constant voltage output |
| 08/25/2009 | US7579788 Power supply system of a light source and a light source actuating method |
| 08/25/2009 | US7579787 Methods and protection schemes for driving discharge lamps in large panel applications |
| 08/25/2009 | US7579786 Method, apparatus, and system for driving LED's |
| 08/25/2009 | US7579781 Organic electro-luminescent display device and method for driving the same |
| 08/20/2009 | WO2009067470A3 Charge recycling a 1 of n ndl gate with a time varying power supply |
| 08/20/2009 | US20090209128 Interface cord and system including an interface cord |
| 08/20/2009 | US20090208192 Device for controlling rotation speed of computer fan |
| 08/20/2009 | US20090206920 Soft-start device |
| 08/20/2009 | US20090206918 Semiconductor device and cell plate voltage generating apparatus thereof |
| 08/20/2009 | US20090206917 Two Stage Voltage Boost Circuit With Precharge Circuit Preventing Leakage, IC and Design Structure |
| 08/20/2009 | US20090206916 Voltage Boost System, IC and Design Structure |
| 08/20/2009 | US20090206915 Two Stage Voltage Boost Circuit, IC and Design Structure |
| 08/20/2009 | US20090206914 Semiconductor device generating varied internal voltages |
| 08/20/2009 | US20090206893 Charge pump circuit and pll circuit |
| 08/20/2009 | US20090206816 Controller for a domestic appliance, domestic appliance and associated method |
| 08/20/2009 | US20090206815 Slope rate compensation circuit, method thereof and pulse width modulation boost converter circuit |
| 08/20/2009 | US20090206814 Method and system for efficient power control with multiple modes |
| 08/20/2009 | US20090206813 Power supply circuit |
| 08/20/2009 | US20090206812 Power switching circuit improved to reduce loss due to reverse recovery current |
| 08/20/2009 | US20090206811 Current limited voltage source with wide input current range |
| 08/20/2009 | US20090206810 Switched mode power supply having improved transient response |
| 08/20/2009 | US20090206809 Interleaved Switching Converter, and Switching Controller and Controlling Method Thereof |
| 08/20/2009 | US20090206808 Method for Generating an Internal Compensation Network of a Pole and Two Zeros to Compensate High Frequency Voltage Mode Switching Regulators |
| 08/20/2009 | US20090206807 Voltage regulator |
| 08/20/2009 | US20090206806 Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the same |
| 08/20/2009 | US20090206805 Converter and Driving Method Thereof |
| 08/20/2009 | US20090206804 Quasi-Parallel Voltage Regulator |
| 08/20/2009 | US20090206772 Dc-dc converter and method for minimizing battery peak pulse loading |
| 08/20/2009 | DE202004021615U1 Automatische Dosiervorrichtung mit Motorauflaufdämpfungsmitteln An automatic dosing with motor inertia damper means |
| 08/20/2009 | CA2737668A1 Method and system for measuring tissue damage and disease risk |
| 08/19/2009 | EP1537598A4 Power-on management for voltage down-converter |
| 08/19/2009 | EP0974186B1 Method and arrangement in a dc-to-dc converter |
| 08/19/2009 | CN201294673Y D/A signal superposition feedback circuit |
| 08/19/2009 | CN201294354Y Household metering electricity-saving distributor box |
| 08/19/2009 | CN201293951Y Full-automatic AC voltage compensator |
| 08/19/2009 | CN201293950Y Multipath constant-current source device |
| 08/19/2009 | CN101512887A Method and device for reducing the influence of a DC component in a load current of an asynchronous three-phase motor |
| 08/19/2009 | CN101512457A Power supply device |
| 08/19/2009 | CN101512456A Electronic system, electronic device and power supply device |
| 08/19/2009 | CN101511136A Current balance power supply circuit of multi-group light-emitting diode |
| 08/19/2009 | CN101510730A Power converter and system for controlling multi power converters |
| 08/19/2009 | CN101510725A Detection and control scheme for current output of up-down voltage power current converter |
| 08/19/2009 | CN101510104A Three phase ac voltage stabilizer applying multi-standard method and three phase ac voltage stabilizer |
| 08/19/2009 | CN101510103A Secondary voltage relief switch stable voltage power source |
| 08/19/2009 | CN101509694A DC frequency converting air-conditioner compressor intelligent controller and control method thereof |
| 08/19/2009 | CN100530925C Multi-channel DC voltage stabilization output circuit |
| 08/19/2009 | CN100530920C Linear predictive system and method for DC-DC converter |
| 08/19/2009 | CN100530891C Sampling circuit and voltage sampling method for three-level power factor calibration circuit |
| 08/19/2009 | CN100530866C High power laser diode driver |
| 08/19/2009 | CN100530021C Low voltage CMOS bandgap reference |
| 08/19/2009 | CN100530020C Low ripple control method using electrical current single closed-loop control constant current power supply |