| 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) |
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| 07/23/2008 | EP1866720A4 Digital pulse width modulation controller with preset filter coefficients |
| 07/23/2008 | EP1397694B1 Method for monitoring a power supply of a control unit in a motor vehicle |
| 07/23/2008 | CN101227780A LED lamp set drive power supply device |
| 07/23/2008 | CN101227778A Self-excited oscillation type high power LED constant-current driving circuit |
| 07/23/2008 | CN101227149A Ripple regulating device of output voltage of DC/DC converter |
| 07/23/2008 | CN101227147A Direct current switch power supply control circuit |
| 07/23/2008 | CN101227144A Power supply device and method of supplying power supply voltage to load device |
| 07/23/2008 | CN101226411A Power consumption measuring and control method for sound system switch power source as well as special device thereof |
| 07/23/2008 | CN101226410A AC stabilivolt method using instantaneous comparison and waveform correction as well as AC stabilivolt device thereof |
| 07/23/2008 | CN100405719C Electric current load detecting device and electric power supply system assembling the same device |
| 07/23/2008 | CN100405684C Arc discharge protector |
| 07/23/2008 | CN100405246C Interface for shunt voltage regulator in a contactless smartcard |
| 07/23/2008 | CN100405245C Closed loop current control circuit and method thereof |
| 07/22/2008 | US7403200 Current sensing bi-directional switch and plasma display driver circuit |
| 07/22/2008 | US7403062 Dual edge modulated charge pumping circuit and method |
| 07/22/2008 | US7402989 Capacitor multiplier |
| 07/22/2008 | US7402988 Switching regulator |
| 07/22/2008 | US7402987 Low-dropout regulator with startup overshoot control |
| 07/22/2008 | US7402986 Power supply circuit for portable battery powered device |
| 07/22/2008 | US7402985 Dual path linear voltage regulator |
| 07/22/2008 | US7402984 Oscillation sensor for linear regulation circuit |
| 07/22/2008 | US7402983 Method for use of charge-transfer apparatus |
| 07/22/2008 | US7402959 Phase sampling protection device |
| 07/22/2008 | US7402958 Display power partitioning |
| 07/22/2008 | CA2405812C A power load-leveling system and packet electrical storage |
| 07/17/2008 | WO2008086050A2 Electronic circuit for driving a diode load |
| 07/17/2008 | WO2008013871A3 Pre-bias protection circuit for converter |
| 07/17/2008 | WO2008006727A3 Circuit arrangement for measuring the current consumption of a pulse-width modulation-controlled direct-current motor |
| 07/17/2008 | US20080170458 Apparatus and method for reducing leakage currents of integrated circuits having at least one transistor |
| 07/17/2008 | US20080170417 Adjustable shunt regulator with soft-start reference |
| 07/17/2008 | US20080169870 Current drive circuit reducing vds dependency |
| 07/17/2008 | US20080169867 Design structure for low voltage applications in an integrated circuit |
| 07/17/2008 | US20080169866 Combined charge storage circuit and bandgap reference circuit |
| 07/17/2008 | US20080169865 Internal voltage generating circuit |
| 07/17/2008 | US20080169864 Booster circuit |
| 07/17/2008 | US20080169796 Dc-Dc Converter with Adaptive Switching Parameter Adjustment |
| 07/17/2008 | US20080169795 Compensating nmos ldo regulator using auxiliary amplifier |
| 07/17/2008 | US20080169794 Systems for providing a constant resistance |
| 07/17/2008 | US20080169793 Semiconductor apparatus |
| 07/17/2008 | US20080169792 Power converter with snubber |
| 07/17/2008 | DE102007032980A1 Analoge photovoltaische Leistungsschaltung Analog photovoltaic power circuit |
| 07/16/2008 | EP1944961A1 Image sensor power supply |
| 07/16/2008 | EP1943576A1 Power factor correction boost circuit |
| 07/16/2008 | EP1943575A2 Remote control of lighting |
| 07/16/2008 | CN201087857Y Two kinds of high pressure constant-current source circuit |
| 07/16/2008 | CN101223488A Standard COMS low-noise high PSRR low drop-out regulator with new dynamic compensation |
| 07/16/2008 | CN101222801A Current control device |
| 07/16/2008 | CN101222134A Power device corresponding to output abnormity and power system having the same |
| 07/16/2008 | CN101221454A Direct current bias constant-current supply |
| 07/16/2008 | CN101221199A Equipotential high-tension electric energy measuring apparatus of authigenic power supply |
| 07/16/2008 | CN100403208C Circuit and method for setting the operation point of a bgr circuit |
| 07/16/2008 | CN100403207C Voltage stabilizer |
| 07/16/2008 | CN100403206C Pulse-frequency modulation type voltage regulator capable of extending least OFF time |
| 07/16/2008 | CN100403205C Voltage regulator |
| 07/16/2008 | CN100403204C Efficient current-feedback power supply and applications thereof |
| 07/16/2008 | CN100403203C Electronic ballast for cold cathode fluorescent lamp with dimming |
| 07/15/2008 | US7400362 Method and apparatus to interface video signals to a decoder to compensate for droop |
| 07/15/2008 | US7400188 Voltage providing circuit |
| 07/15/2008 | US7400187 Low voltage, low Z, band-gap reference |
| 07/15/2008 | US7400186 Bidirectional body bias regulation |
| 07/15/2008 | US7400127 Method for regulating an output signal and circuit therefor |
| 07/15/2008 | US7400126 DC regulated power supply having voltage correction |
| 07/15/2008 | US7400125 Power supply circuit with series regulator |
| 07/15/2008 | US7400124 Apparatus and methods for regulated voltage |
| 07/15/2008 | US7400123 Voltage regulator with variable drive strength for improved phase margin in integrated circuits |
| 07/15/2008 | US7400122 Method and apparatus for reducing audio noise in a switching regulator |
| 07/15/2008 | US7400121 Soft-start system for voltage regulator and method of implementing soft-start |
| 07/15/2008 | US7400120 Constant voltage control device |
| 07/15/2008 | US7400119 Modular high voltage power supply for chemical analysis |
| 07/15/2008 | US7400118 High efficiency single-inductor dual-control loop power converter |
| 07/15/2008 | US7400100 Discharge-lamp lighting apparatus and projector |
| 07/15/2008 | US7400064 DC/DC power converter |
| 07/10/2008 | WO2008081916A1 Semiconductor integrated circuit device and power supply voltage control system |
| 07/10/2008 | WO2008067546A3 Rectified power supply |
| 07/10/2008 | WO2008054653A3 One cycle control pfc circuit with dynamic gain modulation |
| 07/10/2008 | WO2008046068A2 System and method for detection of multiple current limits |
| 07/10/2008 | WO2008030728A3 High efficiency low cost bi-directional charge pump circuit for very low voltage applications |
| 07/10/2008 | WO2008021198A3 Improved control circuit for multi-phase converter |
| 07/10/2008 | WO2008011522A3 Integrated and optimized distributed generation and interconnect system controller |
| 07/10/2008 | US20080165608 Power control circuit for semiconductor ic |
| 07/10/2008 | US20080165167 Printed circuit board and liquid crystal display having the same |
| 07/10/2008 | US20080165110 Gate driving circuit, liquid crystal display having the same, and manufacturing method for thin film transistor substrate |
| 07/10/2008 | US20080164938 Method and circuit for curvature correction in bandgap references with asymmetric curvature |
| 07/10/2008 | US20080164937 Band gap reference circuit which performs trimming using additional resistor |
| 07/10/2008 | US20080164905 I/O interface circuit of intergrated circuit |
| 07/10/2008 | US20080164858 Method and apparatus to limit output power in a switching power supply |
| 07/10/2008 | US20080164857 Control of a dc power supply |
| 07/10/2008 | US20080164856 Current sensing circuit and power supply using the same |
| 07/10/2008 | US20080164855 Systems and methods for selectively changing current limit of a battery controller |
| 07/10/2008 | US20080164854 Methods and apparatus for simulating resistive loads |
| 07/10/2008 | US20080164853 Bidirectional power conversion with multiple control loops |
| 07/10/2008 | US20080164828 Electronic circuit for driving a diode load |
| 07/09/2008 | EP1941335A1 Active network filter |
| 07/09/2008 | EP1899944A4 Automatic voltage selection for series driven leds |
| 07/09/2008 | EP1894076A4 Regulating switching regulators by load monitoring |
| 07/09/2008 | CN201084042Y Solar cell maximal power tracing controlling apparatus |
| 07/09/2008 | CN201084041Y Voltage bias correction unit |
| 07/09/2008 | CN201084040Y Power supply line controller |
| 07/09/2008 | CN201084039Y Constant current power automatic controller |
| 07/09/2008 | CN201084038Y Automatic protection alternating-current voltage-stabilized power supply |