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)
08/2012
08/02/2012WO2012102951A2 Voltage regulator having current and voltage foldback based upon load impedance
08/02/2012WO2012102051A1 Induction signal elimination circuit
08/02/2012WO2012071502A3 System and method for controlling a power supply
08/02/2012US20120195138 Internal voltage generating circuit and semiconductor memory device
08/02/2012US20120195077 Novel architecture of a compensator for power factors and harmonics for a power distribution system
08/02/2012US20120194264 Current mirror and current cancellation circuit
08/02/2012US20120194263 Charge pump and method of biasing deep n-well in charge pump
08/02/2012US20120194161 Inductor current measurement for dc to dc converters
08/02/2012US20120194160 Voltage generators having reduced or eliminated cross current
08/02/2012US20120194159 Interleaving function power supply controller and method therefor
08/02/2012US20120194158 Controllers for controlling currents to predetermined current references
08/02/2012US20120194157 Switching regulator performing output voltage changing function
08/02/2012US20120194156 Load driving signal-linked high voltage driving method and driving circuit thereof
08/02/2012US20120194155 Power supply apparatus and recording apparatus
08/02/2012US20120194154 Switching regulator control circuit and switching regulator
08/02/2012US20120194153 Constant vgs mos switch with charge pump
08/02/2012US20120194152 Voltage controlled current source for voltage regulation
08/02/2012US20120194151 Standby current reduction through a switching arrangement with multiple regulators
08/02/2012US20120194150 Systems and methods for low-battery operation control in portable communication devices
08/02/2012US20120194149 Power supply circuit, control method for controlling power supply circuit, and electronic device incorporating power supply circuit
08/02/2012US20120194148 Power module and the method of packaging the same
08/02/2012US20120194147 Voltage regulator
08/02/2012US20120194146 Adaptive Control of Electrical Devices to Achieve Desired Power Use Characteristics
08/02/2012US20120194145 Switching mode power supply with predicted pwm control
08/02/2012US20120194144 Balancing three phase power systems by smooth pahse shifting and clustering
08/02/2012US20120194143 Switch-Mode Converter Operating in a Hybrid Discontinuous Conduction Mode (DCM)/Continuous Conduction Mode (CCM) That Uses Double or More Pulses in a Switching Period
08/02/2012DE19681425B3 Schaltung und Verfahren zum Regeln einer Spannung Circuit and method for controlling a voltage
08/02/2012DE102011000441A1 Operation control apparatus for operating lighting unit, has control unit that controls both supply voltage source and inverter circuit, so that desired operating state of lighting unit is set
08/01/2012EP2481998A1 Air conditioner
08/01/2012EP2481145A2 Multiphase power converters, controllers and control methods
08/01/2012EP2480903A1 Electric circuit configuration for switching an electrical load
08/01/2012EP2431832A9 Method and arrangement for tracking the maximum power point of a photovoltaic module
08/01/2012EP1639419B1 A circuit for detecting electric current
08/01/2012CN202363735U Drive circuit for semiconductor optical amplifier
08/01/2012CN202363732U Burst mode laser optical power monitoring circuit
08/01/2012CN202362693U Reference voltage generating circuit for pipelined analog-to-digital converter
08/01/2012CN202362692U Power supply simple digital display controller
08/01/2012CN202362691U Low dropout linear regulator
08/01/2012CN202362690U Voltage adjustable loop for comparator
08/01/2012CN202362689U Special test power control circuit for starter
08/01/2012CN202362688U Silicon chain voltage regulating controller
08/01/2012CN202362687U Novel alternating-current voltage stabilizer
08/01/2012CN1992491B Power supply device, low voltage circuit breaker and low voltage AC/DC electric system
08/01/2012CN102624285A Control method for maximum power point tracking (MPPT) of photovoltaic array
08/01/2012CN102624022A Photovoltaic grid-connected power generation system and direct current bus voltage control method thereof
08/01/2012CN102622037A Parallel PFC (Power Factor Correction) rectifying modules and current sharing control method
08/01/2012CN102622036A Multi-harmonic oscillation type maximum power point automatic tracking method based on photovoltaic module
08/01/2012CN102622035A Maximum power point tracking control method for photovoltaic inverter
08/01/2012CN102622034A Maximum power point tracking (MPPT) controller for solar photovoltaic system and control method of MPPT controller
08/01/2012CN102622033A Voltage regulator
08/01/2012CN102622032A Low temperature coefficient bandgap voltage reference circuit
08/01/2012CN102622031A Low-voltage and high-precision band-gap reference voltage source
08/01/2012CN102622030A Current source circuit with temperature compensation
08/01/2012CN102622029A Single-power-supply non-isolated adjustable constant-current source
08/01/2012CN102622028A Control circuit of controller of solar power generation system
08/01/2012CN102622027A Voltage determination device and clock control device
08/01/2012CN102622026A Voltage regulation circuitry and related operating methods
08/01/2012CN102622025A Pre-emphasis circuit and differential current signaling system having the same
08/01/2012CN102622024A Level Shifter
08/01/2012CN102622023A Solution of single power supply for current feedback type sensor
08/01/2012CN102622022A Voltage controlled current source for voltage regulation
08/01/2012CN102622021A Voltage generation circuit, resonance circuit, communication apparatus, and power supply apparatus
07/2012
07/31/2012US8233297 Multi-stage power supply
07/31/2012US8232835 Charge pump circuit and voltage converter using the same
07/31/2012US8232834 Boosting xDSL amplifier supply power on-demand
07/31/2012US8232792 System and method for controlling the output voltage of a power supply
07/31/2012US8232791 Soft starting driver for piezoelectric device
07/31/2012US8232790 Architecture for controlling a dual polarity, single inductor boost regulator used as a dual polarity supply in a hard disk drive dual stage actuator (DSA) device
07/31/2012US8232789 System and method for providing linear buck boost transitions within a buck boost converter
07/31/2012US8232788 Quasi-continuous voltage regulator and controller
07/31/2012US8232787 Pulse time detector, a controller for a switched mode power supply, and a switched mode power supply including such a controller
07/31/2012US8232786 Fast transient step load response in a power converter
07/31/2012US8232785 System and method using a current mirror to program an output voltage and current
07/31/2012US8232784 Circuits and methods for current sensing
07/31/2012US8232783 Constant-voltage power supply circuit
07/31/2012US8232782 System and method for equalizing the small signal response of variable phase voltage regulators
07/31/2012US8232781 Device for measuring the current flowing through a power transistor of a voltage regulator
07/31/2012US8232780 Power factor correction converter
07/31/2012US8232779 Method for selecting the optimum number of phases for converter and system using the same
07/31/2012US8232773 Over voltage transient controller
07/31/2012US8232740 Capacitive current-sharing control circuit for LED lamp string
07/31/2012US8232739 LED with integrated constant current driver
07/31/2012US8231230 Image projection device
07/26/2012WO2012099690A1 Safe area voltage regulator
07/26/2012WO2012099176A1 Power converter and method for controlling same
07/26/2012WO2012098769A1 Photovoltaic power generation system and power feeding system
07/26/2012WO2012098593A1 Inductive load drive device
07/26/2012WO2012098396A1 Current device
07/26/2012WO2012019837A3 Method for computer-aided control of the electrical power consumption of a plurality of power consumers in an electrical power grid
07/26/2012WO2012017068A3 Recording a feed energy amount of a photovoltaic system that was possible but not in fact fed
07/26/2012US20120189139 Semiconductor Integrated Circuit Having a Switched Charge Pump Unit and Operating Method Thereof
07/26/2012US20120188822 Control voltage generation circuit and non-volatile memory device including the same
07/26/2012US20120188005 Field Device for Process Instrumentation
07/26/2012US20120187932 Voltage Converter and Method for Voltage Conversion
07/26/2012US20120187931 Power Supply Control Circuit and Power Supply Circuit
07/26/2012US20120187930 Voltage regulator having current and voltage foldback based upon load impedance
07/26/2012US20120187929 Switching power supply circuit
07/26/2012US20120187928 Synchronous Buck Converter Including Multi-Mode Control for Light Load Efficiency and Related Method
07/26/2012US20120187927 Voltage regulation circuitry and related operating methods
07/26/2012US20120187926 Zero Voltage Switching
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