Patents
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)
07/2007
07/12/2007US20070159143 Switching power converter with transformer arrangement
07/12/2007US20070159142 Control circuit having error amplifier for dc-dc converter and control method therefor
07/12/2007US20070159141 Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit
07/12/2007US20070159112 Lamp driving device and method
07/12/2007US20070159111 Intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch
07/11/2007EP1806758A1 Apparatus and method for actuating a mechanical device
07/11/2007EP1806640A2 A low dropout regulator (LDO)
07/11/2007EP1806639A1 A DC current regulator insensitive to conducted EMI
07/11/2007EP1805818A1 Hybrid control circuit
07/11/2007CN2922221Y Switching power supply used for driving laser diode
07/11/2007CN2921916Y Battery power supply equipment
07/11/2007CN1997951A Fast low drop out (LDO) PFET regulator circuit
07/11/2007CN1997250A Driving circuit for the LED charge pump
07/11/2007CN1996755A Short circuit and overload protective device of the transistor output
07/11/2007CN1996702A A remotely controlled power supply device for the dynamic test of the car tyre
07/11/2007CN1326328C Low voltage charge pump for use in a phase locked loop and method
07/10/2007US7242565 Thermal shut-down circuit
07/10/2007US7242242 Fast dynamic low-voltage current mirror with compensated error
07/10/2007US7242237 Supply switch circuit for implementing a switchable on-chip high voltage supply
07/10/2007US7242214 Semiconductor integrated circuits with power reduction mechanism
07/10/2007US7242172 Microprocessor die with integrated voltage regulation control circuit
07/10/2007US7242171 Power converter circuit and method for power conversion
07/10/2007US7242170 Control circuit having error amplifier for DC-DC converter and control method therefor
07/10/2007US7242169 Method and apparatus for voltage compensation for parasitic impedance
07/10/2007US7242168 Wide input range buck/boost switching regulator
07/10/2007US7242155 Discharge lamp driving circuit
07/10/2007US7242154 Circuit arrangement and method for operation of lamps
07/10/2007US7242153 Pulse width modulation inverter circuit and control method thereof
07/10/2007US7242152 Systems and methods of controlling light systems
07/05/2007WO2007074837A1 Power supply control device
07/05/2007WO2007074828A1 Power supply control device and its threshold value modification method
07/05/2007WO2007073940A1 Method for dc/dc conversion and dc/dc converter arrangement
07/05/2007WO2007044171B1 Diode power array
07/05/2007US20070155444 Power supply IC having switching regulator and series regulator
07/05/2007US20070152745 System and method for reducing leakage current of an integrated circuit
07/05/2007US20070152744 Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in dc current flowing into active element for performing voltage/current conversion
07/05/2007US20070152743 256 Meg dynamic random access memory
07/05/2007US20070152742 Voltage regulator with low dropout voltage
07/05/2007US20070152741 Cmos bandgap reference circuit
07/05/2007US20070152740 Low power bandgap reference circuit with increased accuracy and reduced area consumption
07/05/2007US20070152739 Power management in integrated circuits using process detection
07/05/2007US20070152738 Pull-up circuit
07/05/2007US20070152737 Low noise multiphase charge pump and control method thereof
07/05/2007US20070152735 Semiconductor integrated circuit device
07/05/2007US20070152648 Device for Powering Electric or Electronic Devices Operatively Associated with a Circuit Breaker
07/05/2007US20070152647 Methods and circuits for output over-voltage reduction in switching regulators
07/05/2007US20070152646 Circuit and method for providing programmed delays for power-up sequence using a single enable pin in a voltage regulator
07/05/2007US20070152645 Power management in a process transmitter
07/05/2007US20070152644 LDO with slaved switching regulator
07/05/2007US20070152642 Wireless glass-mounted lighting fixtures
07/05/2007US20070152505 Multiple-output power device, and mobile device using the same
07/05/2007DE102005061967A1 Leistungsversorgungsanordnung zum Bereitstellen eines Ausgangssignals mit einem vorbestimmten Ausgangssignalpegel Power supply arrangement for providing an output signal with a predetermined output signal level
07/05/2007DE102005061207A1 Schaltungsanordnung zur Energieversorgung und Verfahren Circuitry for power supply and method
07/04/2007EP1804368A1 Method for DC/DC conversion and DC/DC converter arrangement
07/04/2007EP1803045A2 Cmos constant voltage generator
07/04/2007EP1636660A4 High efficiency off-line linear power supply
07/04/2007EP1504317B1 Power supply circuit
07/04/2007CN2919683Y Control device for permanent magnet brushless DC electromotor
07/04/2007CN2919333Y Constant flow voltage limited power source
07/04/2007CN2919332Y Voltage regulation silicon chain device
07/04/2007CN2919331Y High-efficiency power concentrated energy-saving device
07/04/2007CN2919330Y Full-automaticity high-power compensating type synchronous electricity-saving manostat
07/04/2007CN1993665A Precision chopper-stabilized current mirror
07/04/2007CN1992493A Resonance DC/DC converter and control method thereof
07/04/2007CN1992492A Novel automatic temperature-controlled power
07/04/2007CN1992491A Device for powering electric or electronic devices operatively associated with a circuit breaker
07/04/2007CN1992030A CD-ROM drive keeping steady condition of power supply voltage by monitoring
07/04/2007CN1991658A Voltage drive control system having protective power and method
07/04/2007CN1991657A 稳压电路 Regulator circuit
07/04/2007CN1991656A CPU electric supply circuit of automobile sound equipment
07/04/2007CN1991655A Energy gap voltage source
07/04/2007CN1324797C Isolated voltage regulator with one core structure
07/04/2007CN1324357C 电源电路 Power circuit
07/03/2007US7239195 Active power supply rejection using negative current generation loop feedback
07/03/2007US7239193 Semiconductor device
07/03/2007US7239192 Self-reparable device to generate a high voltage, and method for repairing a device to generate a high voltage
07/03/2007US7239120 Device for power factor correction in forced switching power supply units
07/03/2007US7239119 Method and apparatus to provide temporary peak power from a switching regulator
07/03/2007US7239118 DC regulator with pulse period modulation
07/03/2007US7239117 Programmable inductor current control for DC-DC converters
07/03/2007US7239116 Fine resolution pulse width modulation pulse generator for use in a multiphase pulse width modulated voltage regulator
07/03/2007US7239115 Digital pulse width modulation controller with preset filter coefficients
07/03/2007US7239114 Converter for direct current-to-direct current downward conversion
07/03/2007US7239048 Safety switching apparatus for safely disconnecting an electrical load
07/03/2007US7238992 Semiconductor circuit for DC-DC converter
06/2007
06/28/2007WO2007073316A1 A method and device for controlling of a magnetic flux
06/28/2007WO2007072402A2 Voltage conversion circuit
06/28/2007US20070146061 Cmos reference voltage source
06/28/2007US20070146060 Semiconductor Device
06/28/2007US20070146059 Band gap reference voltage generation circuit
06/28/2007US20070146058 Distribution of electrical reference
06/28/2007US20070146057 Constant voltage power supply circuit
06/28/2007US20070146056 Temperature tamper detection circuit and method
06/28/2007US20070146055 Charge pump circuit and semiconductor device having the same
06/28/2007US20070146054 Booster circuit
06/28/2007US20070146053 Voltage generator and semiconductor memory apparatus with the same
06/28/2007US20070146052 Charge pump
06/28/2007US20070146051 Multi-mode charge pump drive circuit with improved input noise at a moment of mode change
06/28/2007US20070146050 Charge pump drive circuit for a light emitting diode
06/28/2007US20070146049 Semiconductor integrated circuit device