Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
09/2012
09/06/2012US20120223694 Operating a Semiconductor Component Having a Breakthrough Voltage
09/06/2012US20120223693 Methods and apparatus for dc-dc conversion using digitally controlled adaptive pulse frequency modulation
09/06/2012US20120223692 Sensorless self-tuning digital current programmed mode (cpm) controller with multiple parameter estimation and thermal stress equalization
09/06/2012US20120223691 Digital pulse-frequency modulation controller for switch-mode power supplies with frequency targeting and ultrasonic modes
09/06/2012US20120223690 Dc-dc converter control circuit and control method
09/06/2012US20120223689 Device of inductance detection and the method using the same
09/06/2012US20120223688 High power supply rejection ratio (psrr) and low dropout regulator
09/06/2012US20120223687 Method and apparatus for low standby current switching regulator
09/06/2012US20120223686 Voltage regulating apparatus with switching and linear operational modes
09/06/2012US20120223685 Voltage regulating apparatus
09/06/2012US20120223684 Voltage regulator and integrated circuit including the same
09/06/2012DE102005061967B4 Leistungsversorgungsanordnung zum Bereitstellen eines Ausgangssignals mit einem vorbestimmten Ausgangssignalpegel Power supply arrangement for providing an output signal with a predetermined output signal level
09/05/2012EP2495633A1 Method and apparatus for low standby current switching regulator
09/05/2012EP2494421A2 Energy collection system and method
09/05/2012CN202424580U Six-level power searching device and system
09/05/2012CN202421929U Leakage current compensation circuit and transceiver
09/05/2012CN202421928U Control circuit and control device of backlight power supply
09/05/2012CN202421927U Vehicle-mounted power supply
09/05/2012CN202421926U Constant-voltage power supply circuit
09/05/2012CN202421919U Temperature control circuit
09/05/2012CN202421918U Thermal protection circuit
09/05/2012CN102656534A Output control device for solar battery
09/05/2012CN102655381A Novel photovoltaic system
09/05/2012CN102655380A Distributed photovoltaic system with maximum power track and control method thereof
09/05/2012CN102654779A Reference current source capable of providing wide-range operating voltage
09/05/2012CN102654778A Phase control type alternating current voltage stabilizing circuit
09/05/2012CN102117088B CMOS (Complementary Metal-Oxide-Semiconductor) reference source applicable to protective chip with two lithium batteries
09/05/2012CN101980096B Power supply compensation method and power supply compensation circuit
09/05/2012CN101872206B Singlechip-controlled numerical control constant current source device for on-satellite electric field instrument
09/05/2012CN101859156B Bias voltage control device of electrooptic modulator and control method thereof
09/05/2012CN101534014B Power conversion device
09/05/2012CN101529799B Programmable constant power foldback
09/05/2012CN101505561B Control circuit for led drive and its off-line control circuit
09/05/2012CN101430572B Voltage regulator
09/05/2012CN101394698B LED driving device and parking meter indication device using the same
09/05/2012CN101364120B Semiconductor device and offset voltage adjusting method
09/05/2012CN101323263B Method for regulating voltage or current in an RLC filter, recording medium and vehicles for said method
09/05/2012CN101188356B Protection circuit and its method
09/04/2012US8261105 Switching power circuit and computer system
09/04/2012US8258861 Systems and methods for minimizing power consumption
09/04/2012US8258860 Circuit, an adjusting method, and use of a control loop
09/04/2012US8258859 Voltage reducing circuit
09/04/2012US8258858 Circuit for generating a control current
09/04/2012US8258857 Charge pump circuits and methods
09/04/2012US8258855 Method for controlling a servo system
09/04/2012US8258770 Multi-phase voltage regulator module and method controlling the same
09/04/2012US8258769 Method of switching a PWM multi-phase voltage converter
09/04/2012US8258768 Low EMI producing switch-mode power supply within an intelligent electronic device
09/04/2012US8258767 Power conversion system and power control method for reducing cross regulation effect
09/04/2012US8258766 Power management system with digital low drop out regulator and DC/DC converter
09/04/2012US8258765 Switching regulator and semiconductor apparatus including the same
09/04/2012US8258764 Driving device
09/04/2012US8258763 Switching power supply unit and control circuit for same
09/04/2012US8258762 Computer power measurement device
09/04/2012US8258761 Electrical energy consumption control apparatuses and electrical energy consumption control methods
09/04/2012US8258719 Method and circuit arrangement for regulating a LED current flowing through a LED circuit arrangement, and associated circuit composition and lighting system
09/03/2012DE202012103052U1 Adaptive Phasenvoreilungskompensation mit Miller-Effekt Adaptive phase advancing with Miller effect
08/2012
08/30/2012WO2012116374A2 Semiconductor device having on-chip voltage regulator
08/30/2012WO2012116205A2 Queuing access to a shared power supply
08/30/2012WO2012115734A1 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
08/30/2012WO2012113951A1 Device that generates electrical disturbances
08/30/2012US20120218837 Voltage regulator
08/30/2012US20120218034 Voltage calibration method and apparatus
08/30/2012US20120218031 Method for controlling the supply voltage for an integrated circuit and an apparatus with a voltage regulation module and an integrated circuit
08/30/2012US20120218026 Method of generating multiple current sources from a single reference resistor
08/30/2012US20120218005 Semiconductor Device Having On-Chip Voltage Regulator
08/30/2012US20120217947 Dc-dc down-converter with time constant comparison regulation system
08/30/2012US20120217946 Control for switching between pwm and pfm operation in a buck converter
08/30/2012US20120217945 Systems and methods for feed-forward control of load current in dc to dc buck converters
08/30/2012US20120217944 Current detector of inductive load
08/30/2012US20120217943 DC/DC Converter Cell and Circuit with Feedback Capability, and Method for its Operation
08/30/2012US20120217942 Semiconductor circuit and switching power supply apparatus
08/30/2012US20120217941 Control circuit and method for a ripple regulator system
08/30/2012US20120217940 Delay compensation systems and methods for dc to dc converters
08/30/2012US20120217939 Reference voltage stabilization apparatus and method
08/30/2012US20120217938 Multi-path power factor correction
08/30/2012US20120217894 Driving circuit for led
08/30/2012DE102010019267B4 Photovoltaikanlage mit gezielter Fehlanpassung an den MPP und zugehöriges Betriebsverfahren Photovoltaic system with specific mismatch at the MPP and operating method thereof
08/30/2012DE102005011519B4 Verfahren zur Steuerung einer Gleichspannungsquelle und Spannungsversorgungsvorrichtung A method for controlling a DC power source and power supply device
08/30/2012CA2828221A1 Queuing access to a shared power supply
08/29/2012EP2491649A1 Digitally controlled ac protection and attenuation circuit
08/29/2012CN202406059U Switch booster
08/29/2012CN202404473U Short circuit automatic protection device
08/29/2012CN202404472U Multichannel parallel constant-current control circuit
08/29/2012CN202404471U Band-gap reference source
08/29/2012CN202404470U Power management circuit and electronic body scale
08/29/2012CN202404469U Voltage conversion device
08/29/2012CN102652295A System and method for biasing active devices
08/29/2012CN102652294A Photovoltaic heater
08/29/2012CN102651082A Bandgap reference self-starting circuit and passive radio frequency identification label
08/29/2012CN102650894A Voltage acquisition circuit for battery management system
08/29/2012CN102650893A Low dropout linear regulator
08/29/2012CN102650892A Reference voltage stabilizer and voltage stabilizing method
08/29/2012CN101893909B Constant-power control device and control method thereof
08/29/2012CN101887283B Power supply circuit
08/29/2012CN101763129B Voltage regulator circuit base on LDO integrated circuit
08/29/2012CN101739053B Power supply regulator with active foldback current limiting circuit
08/29/2012CN101676830B Semiconductor circuit
08/29/2012CN101507090B Multiple output multiple topology voltage converter
08/29/2012CN101499656B Power supply circuit having resistance element changing its resistance value
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