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)
10/2007
10/11/2007US20070236191 Boost Regulator with Integrated Load Switch
10/11/2007US20070236190 Low dropout voltage regulator for slot-based operation
10/11/2007US20070236189 Voltage boost circuit and voltage boosting method using voltage boost clock signal with varying frequency
10/11/2007US20070236188 Self-oscillating dc-dc buck converter with zero hysteresis
10/11/2007US20070236187 High-performance solar photovoltaic ( PV) energy conversion system
10/11/2007DE102004030161B4 Schlatungsanordnung zum wahlweisen Generieren eines analogen Stromausgangswertes oder eines analogen Spannungsausgangswertes Suppression Tung arrangement for selectively generating an analog current output value or an analog voltage output value
10/11/2007CA2647777A1 Circuit and method for monitoring the point of maximum power for solar energy sources and solar generator incorporating said circuit
10/10/2007EP1842121A2 System and method for tracking a variable characteristic through a range of operation
10/10/2007EP1842120A1 Device for smoothing a current supplied to a consumer
10/10/2007EP1842119A2 Improved circuitry for portable lighting devices and portable rechargeable electronic devices
10/10/2007CN200959573Y Miniature AC power-supply module for LED
10/10/2007CN200959572Y Synchronizing switch controlling circuit of power converter
10/10/2007CN200959102Y Voltage stabilizer
10/10/2007CN200959101Y Temperature compensator of avalanche photoelectric diode
10/10/2007CN200958311Y Safety explosion-proof electronic lock
10/10/2007CN101053136A Management system for in-house power quantity sonsumed
10/10/2007CN101052932A Battery charging device
10/10/2007CN101051751A Active power filter including power unit and its control method
10/10/2007CN101051750A Voltage external fixed gradual control method for power autive filter
10/10/2007CN101051694A Control method and system for power output of fuel cell generation system
10/10/2007CN101051233A Voltage regulating circuit and voltage regulating method for preventing input voltage sudden fall
10/10/2007CN100342293C Analogue alternating current constant current source
10/09/2007US7280339 Operating device for inductive electrical actuators
10/09/2007US7279961 Charge pump for intermediate voltage
10/09/2007US7279960 Reference voltage generation using compensation current method
10/09/2007US7279959 Charge pump system with reduced ripple and method therefor
10/09/2007US7279958 Synthesized resonation for an EL driver circuit
10/09/2007US7279957 Charge pump for generating arbitrary voltage levels
10/09/2007US7279956 Systems and methods for minimizing static leakage of an integrated circuit
10/09/2007US7279955 Reference voltage generating circuit
10/09/2007US7279942 Differential current output unit
10/09/2007US7279927 Integrated circuit with multiple power domains
10/09/2007US7279879 Current waste suppressing power supply apparatus
10/09/2007US7279878 Output regulating device for regulating output of electric power source depending on input therefrom
10/09/2007US7279877 Adaptive current reversal comparator
10/09/2007US7279876 Device for the correction of the power factor in forced switching power supplies
10/09/2007US7279875 High switching frequency DC-DC converter with fast response time
10/09/2007US7279874 Power supply device with dead-time control and printing apparatus having the same
10/09/2007US7279873 Current-limited protection circuit of switching power converter
10/09/2007US7279872 Circuit and method for processing a supply voltage with voltage peaks
10/09/2007US7279871 Voltage regulator and method of regulating voltage
10/09/2007US7279870 DC-DC converter and method of controlling DC-DC converter
10/09/2007US7279869 PFM control circuit for DC regulator
10/09/2007US7279868 Power factor correction circuits
10/09/2007US7279852 Apparatus and method for striking a fluorescent lamp
10/09/2007US7279805 Vehicle power supply system with a series regulator
10/09/2007CA2467635C Power management system for a floor care appliance
10/04/2007WO2007111541A1 A device and a method for control of power flow in a transmission line
10/04/2007WO2007092344A3 Circuit and method for changing transient response characteristics of a dc/dc converter module
10/04/2007WO2007053247B1 Led bias current control using adaptive fractional charge pump
10/04/2007US20070229151 Simple VDS Matching Circuit
10/04/2007US20070229150 Low-voltage regulated current source
10/04/2007US20070229149 Voltage regulator having high voltage protection
10/04/2007US20070229148 Reference supply voltage circuit using more than two reference supply voltages
10/04/2007US20070229147 Circuit supply voltage control using an error sensor
10/04/2007US20070229146 Semiconductor device
10/04/2007US20070229144 Circuit characteristics controller
10/04/2007US20070229052 Method and apparatus to provide temporary peak power from a switching regulator
10/04/2007US20070229051 Resonant inverter exhibiting depressed duty variation
10/04/2007US20070229050 Power converter
10/04/2007US20070229049 Method for controlling a multiphase interleaving converter and corresponding controller
10/04/2007US20070229048 Method for controlling a multiphase interleaving converter and corresponding controller
10/04/2007US20070229047 Tapped inductor buck dc-dc converter
10/04/2007US20070229046 Switched capacitor equalizer with offset voltage cancelling
10/04/2007US20070229045 Power control device for controlling supply of electric power from a power source to load terminals
10/04/2007US20070229044 Various methods and apparatuses for a multiple input-voltage-level voltage-regulator and a multiple voltage-level DC power supply
10/04/2007US20070229043 Microprocessor die with integrated voltage requlation control circuit
10/04/2007US20070229042 Systems and methods for driving light emitting diodes
10/04/2007US20070229041 Excess Current Detecting Circuit and Power Supply Device Provided with it
10/04/2007US20070229040 Electronic device, method for controlling the same, and optical semiconductor module
10/04/2007US20070229039 Variable drive switching regulator architecture
10/04/2007US20070229018 Brushless servo motor tester
10/04/2007US20070228843 Causing operation of load in alternate, reduced peak power mode
10/04/2007DE19861384B4 DC-to-DC converter with set point control of output voltage - modifies set point of output voltage in response to transient or sudden load increase by amount related to magnitude of transient
10/03/2007EP1840693A1 Method and apparatus for a voltage triggered current sink circuit
10/03/2007CN200956562Y Phase compensator for AC induction motor controller
10/03/2007CN200956548Y DC power converting circuit
10/03/2007CN200956497Y Power supply box with voltage-stabilizing function
10/03/2007CN200956303Y Contactless stepless on-load voltage-regulating transformer
10/03/2007CN101048719A Power supply device and mobile device
10/03/2007CN101048718A Power supply device and mobile device
10/03/2007CN101048717A Power supply device and mobile device
10/03/2007CN101048716A One cycle PFC boost converter IC with inrush limiting, fan control and housekeeping supply control
10/03/2007CN101046698A Reference supply voltage circuit using more than two reference supply voltages
10/03/2007CN101046697A Method and apparatus for a voltage triggered current sink circuit
10/03/2007CN101046696A Apparatus and method for controlling power supply
10/03/2007CN101046695A Stablized control method and device for remote load voltage
10/02/2007US7277779 Real-time emergency control in power systems
10/02/2007US7276961 Constant voltage outputting circuit
10/02/2007US7276956 Integrated circuit apparatus controlling source voltage of MOSFET based on temperature
10/02/2007US7276889 Detect/modulate circuit
10/02/2007US7276888 Precharge circuit for DC/DC boost converter startup
10/02/2007US7276887 Power supply circuit
10/02/2007US7276886 Dual buck-boost converter with single inductor
10/02/2007US7276885 Apparatus and method for power sequencing for a power management unit
10/02/2007US7276884 DC/DC converter
10/02/2007US7276883 Self-driven synchronous rectified boost converter with inrush current protection using bidirectional normally on device
10/02/2007US7276864 Discharge lamp lighting device and projection type image display apparatus having the same
10/02/2007US7276862 Stabilizer circuit for high-voltage discharge lamp
10/02/2007US7276861 System and method for driving LED
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