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)
11/2007
11/27/2007US7301318 Circuit arrangement for voltage adjustment
11/27/2007US7301317 Output current sharing
11/27/2007US7301316 Stable DC current source with common-source output stage
11/27/2007US7301315 Power supplying method and apparatus including buffer circuit to control operation of output driver
11/27/2007US7301314 Multi-phase buck converter
11/27/2007US7301313 Multiple voltage regulators for use with a single load
11/27/2007US7301312 Switching power supply unit for generating an output voltage stepped up from an input voltage
11/27/2007US7301289 Discharge lamp lighting control device
11/27/2007US7301288 LED buck regulator control IC
11/22/2007WO2007133474A2 Multiband radio with transmitter output power optimization
11/22/2007WO2007133473A2 Methods for treating or preventing disorders using ecdysteroid compositions
11/22/2007WO2006086651A3 Regulating switching regulators by load monitoring
11/22/2007WO2006076642A3 Method for starting a voltage-mode switching power supply into a biased load
11/22/2007US20070271069 Signal conditioning ic with conditioning-coefficient memory
11/22/2007US20070268067 Method and Device for Acquiring a Position of a Motor Vehicle on a Road
11/22/2007US20070268066 Method and device for stably controlling remote loading voltage
11/22/2007US20070268064 Power source circuit
11/22/2007US20070268009 Method and apparatus for a pulse width modulated DC-DC converter
11/22/2007US20070268008 Linear voltage regulator and method of limiting the current in such a regulator
11/22/2007US20070268007 Integrated tunable resonance circuit
11/22/2007US20070268006 D-optimized switching converter
11/22/2007CA2651506A1 Shared switching for multiple loads
11/21/2007EP1857906A1 Linear voltage regulator and method of limiting the current in such a regulator
11/21/2007EP1856589A2 Self-driven synchronous rectified boost converter with inrush current protection using bidirectional normally on device
11/21/2007CN200980046Y An adjustable rectifying and voltage stabilizing device
11/21/2007CN200980043Y A switch stabilized voltage power supply
11/21/2007CN101076766A Improved circuit for portable lighting equipment and portable chargeable electronic equipment
11/21/2007CN101075789A Special DC constant voltage and current power supply for high-voltage speed controller
11/21/2007CN101075779A Changeover voltage adjuster for improving inputting-voltage range
11/21/2007CN101075143A Low-voltage linear adjuster
11/21/2007CN100350693C Switching fault detection control device for compensation capacitance
11/21/2007CN100350443C Electric power circuit, display driver and voltage supply method
11/20/2007US7298567 Efficient low dropout linear regulator
11/20/2007US7298200 Voltage generation circuits for supplying an internal voltage to an internal circuit and related methods
11/20/2007US7298199 Substrate bias voltage generating circuit for use in a semiconductor memory device
11/20/2007US7298198 Charge pump
11/20/2007US7298157 Device for generating internal voltages in burn-in test mode
11/20/2007US7298125 Right half-plane zero compensation and cancellation for switching regulators
11/20/2007US7298124 PWM regulator with discontinuous mode and method therefor
11/20/2007US7298123 Apparatus and circuit for power supply, and apparatus for controlling large current load
11/20/2007US7298122 Actuation circuit for a switch regulating the power consumption in a switching converter
11/20/2007US7298121 Circuit and method for increasing the stability of switch-mode power supplies
11/20/2007US7298120 Apparatus, and associated method, for converting electrical power into form for powering a load device
11/20/2007US7298118 Power converter employing a tapped inductor and integrated magnetics and method of operating the same
11/20/2007US7298117 Step-up (boost) DC regulator with two-level back-bias switch gate voltage
11/20/2007US7298116 Multiple-output dc-dc converter
11/20/2007US7298098 Intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch
11/20/2007US7298097 Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp
11/20/2007US7298095 Discharge lamp ballast apparatus
11/20/2007CA2308909C Circuit for power-factor correction
11/15/2007WO2007129765A1 Constant voltage circuit
11/15/2007WO2006026169A3 Method and apparatus for customizing of a power supply based on load characteristic data
11/15/2007US20070262812 Internal voltage generating circuit and semiconductor integrated circuit device
11/15/2007US20070262811 Shared switching for multiple loads
11/15/2007US20070262764 Power supply circuit device and electronic apparatus provided therewith
11/15/2007US20070262763 Power supply circuit device and electronic apparatus provided therewith
11/15/2007US20070262762 Semiconductor device
11/15/2007US20070262761 Switching power supply
11/15/2007US20070262760 Multiple-output dc-dc converter
11/15/2007US20070262759 Multi-phase voltage regulator with phases ordered by lowest phase current
11/15/2007US20070262758 Multiphase power converter having balanced currents
11/15/2007US20070262757 Power supply apparatus capable of decreasing ripple component and display apparatus using the same
11/15/2007US20070262756 System and method for phase management in a multiphase switching power supply
11/15/2007US20070262755 Buck converter
11/15/2007US20070262754 Load circuit supply voltage control
11/15/2007US20070262753 Switching power supply with output ripple suppression
11/15/2007US20070262752 Power converters having balanced power rail currents
11/15/2007DE19600547B4 Schutzschaltung für einen Umrichter für ein elektrisches Netzsytem Protection circuit for a power converter for an electric Netzsytem
11/15/2007DE10106775B4 Spannungsdetektionsschaltung für ein Halbleiterspeicherbauelement Voltage detection circuit for a semiconductor memory device
11/14/2007EP1855365A1 Overvoltage protection device module and method for forming the same
11/14/2007EP1853985A2 Power supply circuit having voltage control loop and current control loop
11/14/2007EP1055163B1 High-speed precision positioning apparatus
11/14/2007CN200976543Y Power control circuit for automatic detecting kinds of variable output DC power supply
11/14/2007CN200976116Y Circuit apparatus for controlling voltage of lighting lamp
11/14/2007CN200976115Y Sine wave AC power supply voltage regulating drive circuit
11/14/2007CN101072010A Micro-regulation circuit of transformer winding voltage
11/14/2007CN101071987A Special power supply for AC loss test for superconducting magnet
11/14/2007CN101071980A High rate power-saving device
11/14/2007CN100349352C Ambiguity type power system stabilizer parameter self-optimization method and self-optimization device
11/14/2007CN100349082C Current-limiting protection device
11/13/2007US7295452 Active power factor correction circuit and control method thereof
11/13/2007US7295176 LED driver with constant current offset unit
11/13/2007US7295058 High voltage generating circuit preserving charge pumping efficiency
11/13/2007US7294993 Method and apparatus for customizing of a power supply based on load characteristic data
11/13/2007US7294992 Semiconductor device, with an off detection circuit
11/13/2007US7294979 Light source module with temperature sensor
11/13/2007US7294976 Split power supply subsystem with isolated voltage supplies to satisfy a predetermined power limit
11/13/2007US7294974 Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship
11/08/2007WO2007127850A2 Power management appratus
11/08/2007WO2007127746A1 Cycloconverter power control system
11/08/2007WO2007127463A2 Startup for dc/dc converters
11/08/2007WO2007125695A1 Solar photovoltaic power generation artificial-power generating method and solar photovoltaic power generation simulator power-supply apparatus
11/08/2007WO2007124518A1 Bridging of a stepdown controller in a converter of a solar unit
11/08/2007WO2006086022A3 Dual output switching regulator and method of operation
11/08/2007WO2006024166A3 System and method for controlling electrical power across multiple furnaces using variable reactors
11/08/2007US20070259256 Systems and methods for detecting and indicating fault conditions in electrochemical cells
11/08/2007US20070258275 Autotransformer AC/DC converter
11/08/2007US20070257730 Limiter circuit
11/08/2007US20070257729 Reference circuit and method for generating a reference signal from a reference circuit
11/08/2007US20070257654 Power management apparatus
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