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)
11/2011
11/15/2011	US8058860 Single pin multi-VID bit interface circuit for dynamic voltage change of a DC/DC converter
11/15/2011	US8058859 Pulse frequency modulation methods and circuits
11/15/2011	US8058858 High efficiency voltage regulator with auto power-save mode
11/15/2011	US8058857 Digitally controlled switched-mode power supply
11/15/2011	US8058856 Multi-phase DC-DC converter and method for balancing channel currents
11/15/2011	US8058855 Direct current converter
11/15/2011	US8058854 Drive circuit
11/15/2011	US8058853 Voltage output circuit, integrated circuit and electronic device
11/15/2011	US8058852 Device and method for detecting zero crossing and voltage amplitude from single pulse signal
11/15/2011	US8058834 Control device for automatic transmission
11/15/2011	US8058819 Illumination system
11/15/2011	US8058818 LED driving circuit and a MOSFET switch module thereof
11/15/2011	US8058817 Power systems with current regulation
11/10/2011	WO2011139975A2 Hybrid rectifier
11/10/2011	WO2011139803A2 Method and apparatus for controlling a solar panel output in charging a battery
11/10/2011	WO2011139739A2 On-chip low voltage capacitor-less low dropout regulator with q-control
11/10/2011	WO2011138154A1 Current output stage and method for providing an output current
11/10/2011	WO2011104253A3 Method for determining a maximum power point of photovoltaic generators
11/10/2011	WO2010108473A3 Device for monitoring step switches
11/10/2011	US20110276321 Device specific configuration of operating voltage
11/10/2011	US20110275334 Servo loop for quality-factor compensation in a capacitor array
11/10/2011	US20110273761 Dc-dc converter, electrophoretic display device, and electronic apparatus
11/10/2011	US20110273422 Dc-dc converter, organic electroluminescent display device including the same, and method of driving the organic electroluminescent display device
11/10/2011	US20110273416 Voltage generating circuit and display apparatus having the same
11/10/2011	US20110273227 Bandgap Voltage and Temperature Coefficient Trimming Algorithm
11/10/2011	US20110273226 Gate driving circuit
11/10/2011	US20110273225 Pulse generator having an efficient fractional voltage converter and method of use
11/10/2011	US20110273156 Power regulator, control circuit, and method for controlling power regulator
11/10/2011	US20110273155 Hybrid Rectifier
11/10/2011	US20110273154 Semiconductor Device
11/10/2011	US20110273153 Electronic circuit arranged to control voltage applied to a load
11/10/2011	US20110273152 Output voltage ripple control for a dc-dc power converter
11/10/2011	US20110273151 Dc-dc converter circuits, and methods and apparatus including such circuits
11/10/2011	US20110273150 Control Loop for Switching Power Converters
11/10/2011	US20110273149 Automatic voltage regulator and toroidal transformer
11/10/2011	US20110273118 Power Factor Correction Circuit
11/10/2011	US20110273116 Driving circuits, power devices and electric devices including the same
11/10/2011	DE102011000599A1 Electromotive furniture drive for use as e.g. linear drive for furniture, has network activation device comprising switching element, which is connected in series with relay contact, and control block for controlling switching element
11/10/2011	DE102010028795A1 Schaltung zum Betrieb einer Leuchteinheit sowie Leuchte mit einer solchen Schaltung A circuit for operating a light-emitting unit and light with such a circuit,
11/10/2011	DE102010019267A1 Photovoltaikanlage mit gezielter Fehlanpassung an den MPP Photovoltaic system with specific mismatch at the MPP
11/10/2011	DE102007031528B4 Verfahren zur Schaltung eines Reglers mit geringem Spannungsabfall für einen Mikrocontroller Method for switching a low dropout regulator for a microcontroller
11/10/2011	CA2707429A1 Ac voltage regulator
11/09/2011	EP2385603A2 Smart power device
11/09/2011	EP2385601A2 Electricity supply for vehicles
11/09/2011	EP2385591A2 Detachable tip for communication with adapter and electronic device
11/09/2011	EP2385438A1 Current output stage and method for providing an output current
11/09/2011	EP2384541A2 Power system frequency inertia for wind turbines
11/09/2011	EP2384540A2 Power system frequency inertia for power generation system
11/09/2011	CN202034957U Adjustable hysteresis comparator
11/09/2011	CN202033683U Constant power control circuit of electrical vibrating machine in cement production
11/09/2011	CN202033682U LDO (low dropout regulator)
11/09/2011	CN202033681U High-power stabilization and transformation voltage stabilizer
11/09/2011	CN202033680U Integral control circuit of semiconductor test system
11/09/2011	CN202033679U Energy-saving combined fuzzy acquisition control circuit
11/09/2011	CN102239457A Low drop-out voltage regulator with wide bandwidth power supply rejection ratio
11/09/2011	CN102237690A Method for improving overall efficiency of photovoltaic inverter system
11/09/2011	CN102237138A Voltage supply circuit
11/09/2011	CN102236358A Pulse width modulation compensation circuit
11/09/2011	CN101651353B Universal USB power supply
11/09/2011	CN101510104B Three phase ac voltage stabilizer applying multi-standard method and three phase ac voltage stabilizer
11/09/2011	CN101504557B Constant current element construction in tandem connection, and circuit employing the same
11/09/2011	CN101488714B Control circuit of power converter and switch control circuit
11/09/2011	CN101340183B Variable-frequency oscillator
11/09/2011	CN101266505B Voltage regulator and voltage regulation method
11/09/2011	CN101088201B Electric power flow control
11/08/2011	USRE42897 Current mode DC/DC converter with controlled output impedance
11/08/2011	US8054125 Charge pump with low power, high voltage protection circuitry
11/08/2011	US8054120 Integrated circuit operable in a standby mode
11/08/2011	US8054058 DC-DC converter with improved dynamic response
11/08/2011	US8054057 Low dropout regulator testing system and device
11/08/2011	US8054056 Frequency regulated hysteretic average current mode converter
11/08/2011	US8054055 Fully integrated on-chip low dropout voltage regulator
11/08/2011	US8054054 High voltage gate driver IC (HVIC) with internal charge pumping voltage source
11/08/2011	US8054053 Audio apparatus, switching power supply, and switching control method
11/08/2011	US8054052 Constant voltage circuit
11/08/2011	US8054006 Power supply of luminous sources
11/08/2011	US8054005 Driving circuit for display device, and test circuit and test method for driving circuits
11/08/2011	US8054003 Switch-off time regulation system for an inverter for driving a lamp
11/08/2011	US8054001 Circuit structure for LCD backlight
11/03/2011	WO2011136143A1 Power conversion device
11/03/2011	WO2011100968A3 A method of operating a maximum power point tracker
11/03/2011	US20110267139 Automatic level control
11/03/2011	US20110267135 Electronic apparatuses and electronic systems using the same for providing supply voltage to external devices
11/03/2011	US20110267020 Method and means to implement fixed frequency operation of buck mode switching
11/03/2011	US20110267019 Methods and systems to digitally balance currents of a multi-phase voltage regulator
11/03/2011	US20110267018 Ac coupled hysteretic pwm controller
11/03/2011	US20110267017 On-Chip Low Voltage Capacitor-Less Low Dropout Regulator with Q-Control
11/03/2011	US20110267016 Switching regulation controller, switching regulator and controlling method for switching regulation
11/03/2011	US20110267015 Real time adjustable zero current detection for a switching regulator
11/03/2011	US20110267014 Electrical load drive device
11/03/2011	US20110267013 Systems and methods for controlling an inertia of a synchronous condenser
11/03/2011	DE102010019116A1 Anordnung zur Netzfreischaltung einer Antriebseinrichtung Arrangement for mains cut-off of a drive device
11/02/2011	CN202025245U Relay type voltage stabilizer
11/02/2011	CN202025244U Vehicle speed pulse voltage-stabilizing circuit
11/02/2011	CN202025243U Full-automatic ultra low voltage alternating current voltage stabilizer
11/02/2011	CN102231560A Intelligent distributed maximum generation power point tracking coordination control system
11/02/2011	CN101458537B Voltage regulator circuit and resistance deviation compensation method
11/02/2011	CN101290712B Output current pumping circuit and remote controller using the same
11/01/2011	US8051313 Apparatus, system and method of power state control
11/01/2011	US8050544 Electronic device for regulating the voltage across a high-side load

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