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)
03/2007
03/01/2007US20070046271 Low-power programmable low-drop-out voltage regulator system and methods
03/01/2007US20070046270 Dc/dc converter
03/01/2007US20070046269 Device for converting a continuous supply voltage into a continuous output voltage and corresponding electronic circuit
03/01/2007DE202006018370U1 Schaltungsanordnung für Stand-By-Betrieb Circuit arrangement for stand-by mode
03/01/2007DE102005040072A1 Polarity-safe current supply circuit for electronic components, has voltage displacement circuit that produces potential at control terminal of second transistor based on potential at voltage-drop connection of first transistor
02/2007
02/28/2007EP1756945A1 Current-mode instrumentation amplifier gain error correction circuitry
02/28/2007EP1756944A1 Current-mode instrumentation amplifier
02/28/2007EP1756690A1 Precision chopper-stabilized current mirror
02/28/2007CN2874890Y Chopper constant current discharger
02/28/2007CN2874571Y Micro computer power load controller
02/28/2007CN1922785A Power-supply apparatus
02/28/2007CN1920726A Switching mode voltage-regulated device with energy-saving circuit and energy-saving control method
02/28/2007CN1920725A Sliding wire self-coupling voltage-regulated power saver
02/28/2007CN1920724A Capacitor amplifier circuit
02/28/2007CN1302692C Circuit device and method for generating x-ray tube voltage
02/28/2007CN1302610C DC-DC converter
02/27/2007US7184900 Method of measuring a monophase voltage
02/27/2007US7184285 DC-DC conversion circuit
02/27/2007US7184284 Closed-loop high voltage booster
02/27/2007US7184281 Buck converter with high efficiency gate driver providing extremely short dead time
02/27/2007US7183838 Semiconductor device having internal power supply voltage dropping circuit
02/27/2007US7183816 Circuit and method for switching an electrical load on after a delay
02/27/2007US7183757 Switching power source, switching power source control method, electric apparatus having the switching power source, and printing apparatus having the switching power source
02/27/2007US7183756 Current monitoring system using bi-directional current sensor
02/27/2007US7183755 Constant-voltage power circuit with fold back current limiting capability
02/27/2007US7183754 DC/DC converter
02/27/2007US7183753 Power factor correction circuit
02/27/2007US7183752 Connection method for a static VAR compensator
02/27/2007US7183751 Reactive power compensator device
02/27/2007US7183726 Cold cathode fluorescent lamp drive apparatus and method
02/27/2007US7183725 Backlight inverter system and control method for starting the same
02/22/2007WO2007020692A1 Inrush current reduction circuit and power supply
02/22/2007WO2007020539A1 Current limiter circuit
02/22/2007WO2007020293A1 Voltage regulator with low dropout voltage
02/22/2007WO2006132757A3 High efficiency bi-directional charge pump circuit
02/22/2007WO2006063205A3 High throughput screening of catalysts using spin resonance
02/22/2007WO2006052794A3 Digital control of bridgeless power factor correction circuit
02/22/2007US20070041224 Switch mode power supply control systems
02/22/2007US20070040603 Voltage regulator
02/22/2007US20070040602 Circuit for reference current and voltage generation
02/22/2007US20070040601 Voltage converting circuit structure
02/22/2007US20070040600 Band gap circuit
02/22/2007US20070040599 Semiconductor integrated circuit device
02/22/2007US20070040540 Method and apparatus for controlling power drawn from an energy converter
02/22/2007US20070040539 Method and apparatus for controlling power drawn from an energy converter
02/22/2007US20070040538 DC/DC converter with improved stability
02/22/2007US20070040537 PWM/burst mode switching regulator with automatic mode change
02/22/2007US20070040536 DC to DC converter with reference voltage loop disturbance compensation
02/22/2007US20070040535 Method for Analyzing Power Distribution System and Related Techniques
02/22/2007US20070040534 System and method for power conversion
02/22/2007US20070040533 Methods and devices for input waveform control in switching power supplies
02/22/2007US20070040528 Position-sensorless motor control device
02/22/2007DE102005046833A1 Surge protection device for protection of electrical low voltage equipment, has semiconductor device controllable by control circuit such that characteristic of semiconductor device has different properties in different operating ranges
02/22/2007DE102005041295B3 Switching-on method for voltage supply in clamping domain of semiconductor circuit, involves connection of first switchable element and second switchable element with clamping domain with supply voltage of semiconductor circuit
02/22/2007DE102005039438A1 Vorrichtung zur Optimierung des Leistungsverbrauchs einer elektrischen Schaltungskomponente Apparatus for optimizing the power consumption of an electrical circuit component
02/22/2007DE102005039114A1 Spannungsregler mit einem geringen Spannungsabfall Voltage regulator with a low voltage drop
02/22/2007DE102005038702A1 Elektronischer Schaltkreis und Verfahren zum Einspeisen von elektrischer Energie in einen Wechselstrom-Elektroofen The electronic switching circuit and method for supplying electrical energy in an alternating current electric furnace
02/21/2007EP1755213A1 Method and device for producing rectifier gating signals using a peak detector
02/21/2007EP1754302A2 Apparatus and method for minimizing power loss associated with dead time
02/21/2007EP1754120A2 Dc-dc regulator with switching frequency responsive to load
02/21/2007CN2872450Y Energy-saving power adjuster
02/21/2007CN1917346A Electronic apparatus and control method of the driving voltage
02/21/2007CN1917341A Voltage boosting type device and method of consecutive correcting power factor in average electric current control mode
02/21/2007CN1916807A Essential safe grid for field bus
02/21/2007CN1916806A Control electrical appliances for electric charge pump
02/20/2007US7180761 Constant voltage control apparatus capable of reducing feedback lines
02/20/2007US7180363 Powergating method and apparatus
02/20/2007US7180362 Semiconductor device with pump circuit
02/20/2007US7180330 Output circuit
02/20/2007US7180280 Method and apparatus to reduce maximum power from a power supply with transition region regulation
02/20/2007US7180279 Method for driving pulse-width-controlled inductive loads, and a drive circuit for this purpose
02/20/2007US7180278 Real current sense apparatus for a DC-to-DC converter
02/20/2007US7180277 Capacitor start-up apparatus and method with fail safe short circuit protection
02/20/2007US7180276 Dual stage voltage regulation circuit
02/20/2007US7180275 DC-DC high frequency boost converter
02/20/2007US7180274 Switching voltage regulator operating without a discontinuous mode
02/20/2007US7180273 Low switching frequency power factor correction circuit
02/20/2007US7180268 Circuits capable of trickle precharge and/or trickle discharge
02/20/2007US7180252 Geometric panel lighting apparatus and methods
02/20/2007US7180246 Display device
02/20/2007US7180206 System for voltage stabilization of power supply lines
02/20/2007US7178971 High efficiency driver for color light emitting diodes (LED)
02/15/2007WO2007017926A1 Semiconductor device and control method thereof
02/15/2007WO2007017618A1 A voltage regulation device
02/15/2007US20070035285 Methods and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply
02/15/2007US20070035284 Switch mode power converter
02/15/2007US20070035283 Switching regulator with slope compensation independent of changes in switching frequency
02/15/2007US20070035282 Switch mode power supply and a method for controlling such a power supply
02/15/2007US20070035281 Switching regulator
02/15/2007US20070035280 Power-supply semiconductor integrated circuit, power-supply semiconductor integrated circuit system, development assisting system for power-supply circuit, and program and storage medium therefor
02/15/2007DE102005037872A1 Voltage regulator arrangement for motor vehicle, has capacitor alternatively establishing and disconnecting connection with output terminal of voltage regulator, such that charging condition of capacitor is determined by control signal
02/15/2007CA2620511A1 A voltage regulation device
02/14/2007EP1753109A2 Electrostatic discharge protection circuit
02/14/2007EP1751644A2 Time discrete control of a continuous quantity
02/14/2007CN2870293Y Frequency variator
02/14/2007CN2870291Y Electric-power stabilizing-regulating-voltage energy saver
02/14/2007CN2870266Y Constant-pressure output cell device
02/14/2007CN2869962Y Pressure-stabilizing power supplying circuit for series electronic switch or regulation-control device
02/14/2007CN2869961Y Power frequency ac, stabilizer regulated by high-frequency PWM
02/14/2007CN2869330Y Winch switch time delay locking device