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)
03/2010
03/09/2010US7675281 Time-based synchronous rectification in a power converter
03/09/2010US7675280 Power factor correction boost circuit
03/09/2010US7675279 Switching regulator soft start circuitry using a D/A converter
03/09/2010US7675278 Power distribution current limiting switch including a current limit blanking period providing a burst of current
03/09/2010US7675277 Multiphase DC chopper and method for operating a multiphase DC chopper
03/09/2010US7675276 DC/DC converter
03/09/2010US7675275 DC-DC converter
03/09/2010US7675274 Circuit arrangement for aircraft engine regulators
03/09/2010US7675273 Wideband low dropout voltage regulator
03/09/2010US7675272 Output impedance compensation for linear voltage regulators
03/09/2010US7675250 Thermal protection for lamp ballasts
03/09/2010US7675248 Dual mode searchlight dimming controller systems and methods
03/09/2010US7675247 Remote control transmitter which is capable of controlling a plurality of light fittings without the need for a slidable switch
03/09/2010US7675245 Electronic circuit for driving a diode load
03/04/2010WO2010024843A2 Retractable neurosensory evaluation tool
03/04/2010WO2009151662A3 Preparing the magnetization state of a sample for alternating repetition time steasdy state free precession magnetic resonance imaging
03/04/2010WO2009141314A8 Controlled current source and method for sourcing a current
03/04/2010US20100052775 Voltage supply with low power and leakage current
03/04/2010US20100052771 Circuit for driving multiple charge pumps
03/04/2010US20100052640 Stability compensation circuit and DC-DC converter including the same
03/04/2010US20100052639 Power supply controller having analog to digital converter
03/04/2010US20100052638 DC-DC Converter Circuits, and Methods and Apparatus Including Such Circuits
03/04/2010US20100052637 Apparatus and Method for Sensing a Current Within a Coil
03/04/2010US20100052636 Constant-voltage circuit device
03/04/2010US20100052635 Compensation of LDO regulator using parallel signal path with fractional frequency response
03/04/2010US20100052634 Driving circuit for improving the loading transient performance of a power converter
03/04/2010US20100052633 Modified current source (mcs) with seamless range switching
03/04/2010US20100052632 DC/DC Converter and Current Sense Circuit Thereof
03/04/2010US20100052631 structure of a power supply
03/04/2010US20100052630 High frequency power converter based on transformers
03/04/2010US20100052628 Circuit and Method for Reducing Output Voltage Transients in a Voltage Mode Buck Converter
03/04/2010US20100052627 Dc/dc converter
03/04/2010US20100052611 Switching regulator input current sensing circuit, system, and method
03/03/2010EP2159662A2 Controlling transient response of a power supply
03/03/2010EP2158530A2 Method and firmware for controlling voltage and current in a fluorescent lamp array
03/03/2010CN201417403Y Constant power control device of switch power supply
03/03/2010CN201417402Y Numerical control constant-current source device for satellite-borne electric field instrument
03/03/2010CN201417401Y High-voltage line automatic voltage regulation device
03/03/2010CN101663629A Optimized power supply for an electronic system
03/03/2010CN101661301A Low-voltage-drop linear voltage regulator with efficiency and frequency compensation
03/02/2010US7671854 High-potential output stage
03/02/2010US7671668 Core voltage generation circuit
03/02/2010US7671667 Rapidly activated current mirror system
03/02/2010US7671666 Methods to reduce threshold voltage tolerance and skew in multi-threshold voltage applications
03/02/2010US7671664 Charge pump control circuit and method
03/02/2010US7671575 Transient load response for a voltage regulator with a load current based control loop
03/02/2010US7671574 Ground voltage drop reduction circuit for a buck DC-DC converter
03/02/2010US7671573 Apparatus and method for projected on-time regulator
03/02/2010US7671572 Voltage boost circuit and voltage boosting method using voltage boost clock signal with varying frequency
03/02/2010US7671571 Semiconductor device having an integrated, self-regulated PWM current and power limiter and method
02/2010
02/25/2010WO2010021591A1 Power factor correcting arrangement and method of correcting power factor
02/25/2010WO2010020984A1 Power booster for cable systems
02/25/2010WO2010020855A1 Load controller
02/25/2010WO2010020837A1 Voltage regulator with low and high power modes
02/25/2010WO2009154987A3 Method, apparatus and article for detection of transponder tagged objects, for example during surgery
02/25/2010WO2009151764A3 Carrier solvent for fingerprint formulations
02/25/2010WO2009143368A3 Non-cryogenic storage cell for hyperpolarized 129xe
02/25/2010WO2009117428A3 A family of current/power-efficient high voltage linear regulator circuit architectures
02/25/2010US20100045895 Load driving device, illumination device, display device
02/25/2010US20100045714 Capacitive load driving circuit and liquid droplet jetting apparatus
02/25/2010US20100045384 System And Method For Pre-Charging A Current Mirror
02/25/2010US20100045369 Reference current generating circuit using on-chip constant resistor
02/25/2010US20100045368 Semiconductor Integrated Circuit
02/25/2010US20100045366 Measuring instrument in two-conductor technology
02/25/2010US20100045365 Two terminal quantum device using mos capacitor structure
02/25/2010US20100045256 DC/DC Converter and Slope Compensation Circuit Thereof
02/25/2010US20100045255 Voltage Generator Arrangement and Method for Voltage Conversion
02/25/2010US20100045254 Average current mode controlled converter having a buck mode, a boost mode, and a partial four-switch mode
02/25/2010US20100045253 Cyclical dc voltage converter for suppressing voltage spikes and oscillations
02/25/2010US20100045252 Power supply circuit
02/25/2010US20100045251 Voltage output circuit, integrated circuit and electronic device
02/25/2010US20100045250 Method for detecting output short circuit in switching regulator
02/25/2010US20100045249 Voltage regulator for write/read assist circuit
02/25/2010US20100045248 Bi-directional Boost-Buck Voltage Converter
02/25/2010US20100045247 Parallel arranged linear amplifier and dc-dc converter
02/25/2010US20100045246 Apparatus And Method For Reverse Power Regulation With Measured Source Side Voltage
02/25/2010US20100045245 Control Method for DC/DC Converters and Switching Regulators
02/25/2010US20100043757 Circuit Arrangement and Method for Operating an Inductive Load
02/25/2010DE102009036173A1 Eine Regelschaltung und ein Verfahren zum Regeln einer Eingangsspannung A control circuit and a method for controlling an input voltage
02/24/2010CN201414238Y LED road lamp power supply wiring structure
02/24/2010CN201414071Y Constant-current and constant-voltage controller realizing pin reuse and three-pin integrated circuit package thereof
02/24/2010CN201413469Y Intelligent programmable electric power system
02/24/2010CN101657774A Method for regulating supply voltage
02/24/2010CN100592237C Intelligent switch power source power detection and control device
02/24/2010CN100592236C Device and method for controlling the electrical current of an actuator
02/24/2010CN100592235C Power integrated circuit and electrostatic discharge protection method thereof
02/24/2010CN100592234C Intelligent power control apparatus for real time control and detection
02/24/2010CN100592227C Control circuit and power control apparatus having the control circuit
02/23/2010US7668528 Alternatively powered low power IC
02/23/2010US7667989 Method for controlling start time series by stages
02/23/2010US7667533 Self biased low noise high PSRR constant GM for VCO
02/23/2010US7667532 Bias control system for a power amplifier
02/23/2010US7667531 Signal transmission circuit
02/23/2010US7667530 Charge pump down circuit and method for the same
02/23/2010US7667529 Charge pump warm-up current reduction
02/23/2010US7667528 Internal voltage generator of semiconductor integrated circuit
02/23/2010US7667447 Load adaptive power delivery
02/23/2010US7667446 Method for controlling current in a load
02/23/2010US7667445 Integrated circuit for controlling a switching power supply
02/23/2010US7667444 Capacitive load driving device