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)
10/2009
10/20/2009US7606449 Adaptive switch contamination compensation
10/20/2009US7606085 Semiconductor device and control method of the same
10/20/2009US7606053 DC-to-DC converter and electric motor drive system using the same
10/20/2009US7605644 Integrated circuit power-on control and programmable comparator
10/20/2009US7605643 Voltage generation circuit and method thereof
10/20/2009US7605642 Generic voltage tolerant low power startup circuit and applications thereof
10/20/2009US7605641 Apparatus comprising a charge pump and LCD driver comprising such an apparatus
10/20/2009US7605640 N-stage exponential charge pumps, charging stages therefor and methods of operation thereof
10/20/2009US7605639 Internal voltage generator of semiconductor memory device
10/20/2009US7605638 Semiconductor integrated circuit including charge pump circuit
10/20/2009US7605637 Voltage multiplier and relative operating method
10/20/2009US7605635 Threshold control circuitry for multiple current signal receivers
10/20/2009US7605579 Measuring and controlling current consumption and output current of charge pumps
10/20/2009US7605577 Start-up circuit for a bandgap circuit
10/20/2009US7605576 Switching power supply device
10/20/2009US7605575 Voltage-supply circuit and method for providing a circuit with a supply voltage
10/20/2009US7605574 Switching regulator circuits
10/20/2009US7605573 Switching regulator providing slope compensation and voltage control method thereof
10/20/2009US7605572 Input current sensing AVP method for future VRM
10/20/2009US7605571 Switching regulator with lower transistor capable of two states of ON or low current
10/20/2009US7605547 Addressable LED architecture
10/20/2009US7605495 Dual supply circuit
10/15/2009WO2009126146A1 Voltage regulator
10/15/2009WO2009126046A1 Power transmission system
10/15/2009WO2009125866A1 Power source device and output voltage changing method of the power source device
10/15/2009WO2009125834A1 System stabilization device
10/15/2009WO2009124433A1 A constant power limiter and light lamp
10/15/2009US20090257289 Internal voltage generator and semiconductor memory device including the same
10/15/2009US20090256627 Multistage charge pumps with diode loss compensation
10/15/2009US20090256626 Multi-step charge pump and method for producing multi-step charge pumping
10/15/2009US20090256625 Circuit and method for a gate control circuit with reduced voltage stress
10/15/2009US20090256544 Method and apparatus to limit output power in a switching power supply
10/15/2009US20090256543 High efficiency bridgeless pfc power converter
10/15/2009US20090256542 Power supply circuit
10/15/2009US20090256541 Power sequence technique
10/15/2009US20090256540 Low drop-out regulator providing constant current and maximum voltage limit
10/15/2009US20090256539 Circuits and Methods for Sensing Current
10/15/2009US20090256538 Power supply module
10/15/2009US20090256537 Multiphase Voltage Regulators And Methods For Voltage Regulation
10/15/2009US20090256536 Integrated switch with internally adjusted conduction time
10/15/2009US20090256535 Varying operation of a voltage regulator, and components thereof, based upon load conditions
10/15/2009US20090256534 Power supply control method and apparatus
10/15/2009US20090256533 Current-level Decision Device for a Power Supply Device and Related Power Supply Device
10/15/2009DE202008006878U1 Elektromotorischer Möbelantrieb Electromotive furniture drive
10/15/2009DE112007002994T5 Ladungspumpe zum Erzeugen von mehreren Ausgangsspannungspegeln Charge pump for generating a plurality of output voltage levels
10/15/2009DE102008011609A1 Standby-circuit for transformer power supply unit in small device for household and industry, has switching device adjusting normal operation of transformer and standby-operation of transformer during existence of control signals
10/14/2009CN201328085Y Suspension-type DC power supply device
10/14/2009CN201328082Y Active output compensating circuit
10/14/2009CN201328012Y Device for improving output efficiency of low power photovoltaic battery
10/14/2009CN201327598Y Numerical control constant-current source device with separation
10/14/2009CN201327597Y Voltage regulator for voltage stabilizer
10/14/2009CN201325336Y Special power supply for automobile electronic equipment
10/14/2009CN101557227A Self-adapting resonance control method for transmitting non-contact electric energy
10/14/2009CN101557215A Voltage comparator
10/14/2009CN101557171A Switching control circuit
10/14/2009CN101557166A Power supply apparatus and semiconductor integrated circuit device
10/14/2009CN101557164A Low-voltage power-generating circuit and device thereof
10/14/2009CN101557122A Duplicate supply selection circuit
10/14/2009CN101557117A Method for charging solar and wind energy battery
10/14/2009CN101556821A Voltage adjuster of semiconductor memory
10/14/2009CN101556499A Current adjusting device, power supply device and current adjusting method
10/14/2009CN101556480A Power control device used for mobile communication terminal
10/14/2009CN100550648C Vehicular electronic control unit
10/14/2009CN100550567C Power circuit module and fixed current power output control system
10/14/2009CN100550560C Overcurrent protection circuit
10/14/2009CN100549898C LDO circuit using bidirectional asymmetry buffer structure to improve performance
10/14/2009CN100549897C Current source device
10/13/2009US7603572 Voltage stabilizer stabilizing the voltage of a power line wherein power consumption elements are individually activated based on a quantity of currents to be drained
10/13/2009US7602235 Semiconductor device with internal current generating section
10/13/2009US7602234 Substantially zero temperature coefficient bias generator
10/13/2009US7602233 Voltage multiplier with improved efficiency
10/13/2009US7602232 Programmable fractional charge pump for DC-DC converter
10/13/2009US7602168 Voltage regulator for integrated circuits
10/13/2009US7602167 Reconfigurable topology for switching and linear voltage regulators
10/13/2009US7602166 System and method for providing a digital self-adjusting power supply that provides a substantially constant minimum supply voltage with regard to variations of PVT, load, and frequency
10/13/2009US7602165 Phase control device for DC/DC converter
10/13/2009US7602164 Adaptive DC to DC converter system
10/13/2009US7602163 Coupled inductor output regulation
10/13/2009US7602162 Voltage regulator with over-current protection
10/13/2009US7602161 Voltage regulator with inherent voltage clamping
10/13/2009US7602160 Method and apparatus providing protection for power converter
10/13/2009US7602159 Common mode noise reduction using parasitic capacitance cancellation
10/13/2009US7602157 Supply architecture for inductive loads
10/13/2009US7602156 Boost converter
10/13/2009US7602155 Power supply providing ultrafast modulation of output voltage
10/13/2009US7602136 Mitigation of harmonic currents and conservation of power in non-linear load systems
10/08/2009WO2009123469A1 Buck boost topology
10/08/2009WO2009121867A1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy
10/08/2009WO2009121529A1 Low-voltage supply in operating devices for illumination means
10/08/2009US20090251961 Flash memory device and voltage generating circuit for the same
10/08/2009US20090251942 Method of programming a memory device of the one-time programmable type and integrated circuit incorporating such a memory
10/08/2009US20090251205 Power supply circuit having standby detection circuit
10/08/2009US20090251203 Reference voltage circuit
10/08/2009US20090251202 Semiconductor integrated circuit device
10/08/2009US20090251188 Clock driver and charge pump incluing the same
10/08/2009US20090251120 High voltage power supply
10/08/2009US20090251119 Three chip package
10/08/2009US20090251118 Output device and electronic device provided with same
10/08/2009US20090251117 Power converter with improved efficiency
10/08/2009US20090251116 Method and apparatus for power conversion and regulation
1 ... 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 ... 378