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)
06/2012
06/28/2012WO2012086975A2 Direct current/ direct current converter for reducing switching loss, wireless power receiver including direct current/ direct current converter
06/28/2012WO2012085329A1 Voltage regulator and associated apparatus and methods
06/28/2012WO2012084616A2 Active leakage consuming module for ldo regulator
06/28/2012US20120163632 Charge pump circuit
06/28/2012US20120163047 Startup circuit, switching power source ic, and switching power source apparatus
06/28/2012US20120161861 Capacitor cell supporting circuit operation at higher-voltages while employing capacitors designed for lower voltages
06/28/2012US20120161860 Multi-level control for pass transistor gate voltage
06/28/2012US20120161857 Charge pump circuit
06/28/2012US20120161852 Power switch current estimator at gate driver
06/28/2012US20120161746 Low-power operation for devices with circuitry for providing reference or regulated voltages
06/28/2012US20120161741 Current generator for temperature compensation
06/28/2012US20120161740 Load adaptive voltage regulator
06/28/2012US20120161739 Variable time clamp for a power supply controller
06/28/2012US20120161738 Switching-mode power supply device
06/28/2012US20120161737 Output circuit
06/28/2012US20120161736 Apparatus and method for initializing dc-dc converter
06/28/2012US20120161735 Peak current controlled switching voltage regulator system and method for providing a self power down mode
06/28/2012US20120161734 Low drop out voltage regulato
06/28/2012US20120161733 Voltage Regulator that Can Operate with or without an External Power Transistor
06/28/2012US20120161732 Voltage Regulator Configuration
06/28/2012US20120161731 Voltage regulator and associated apparatus and methods
06/28/2012US20120161730 Power and management device and method
06/28/2012US20120161729 Buck converter
06/28/2012US20120161728 Switching voltage regulators with hysteretic control for enhanced mode-transition speed and stability
06/28/2012US20120161727 Power Control Circuits and Methods
06/28/2012US20120161668 LED Driving Circuit
06/27/2012EP2469372A2 Methods and systems for operating a two-stage power converter
06/27/2012EP2467764A1 Ac connected modules with line frequency or voltage variation pattern for energy control
06/27/2012EP1969691B1 Load detector for a dimmer
06/27/2012CN202285377U Regulation type photovoltaic controller based on load impedance
06/27/2012CN102522885A Switching power supply voltage feedback module based on integrated circuit UC3846
06/27/2012CN102522796A Method for stably giving power to power battery system
06/27/2012CN102522686A Double-path laser power supply high-voltage isolation device and realization method thereof
06/27/2012CN102520755A Method for rapidly carrying out maximum power point tacking
06/27/2012CN102520754A Dynamic voltage scaling system-oriented on-chip monitoring circuit
06/27/2012CN102520753A Equivalent circuit with Schottky diode
06/27/2012CN102520752A Over-heating protection device of quench trigger heater
06/27/2012CN102520751A Analog operational control circuit
06/27/2012CN102520750A Low-ripple linear power source
06/27/2012CN102520749A Power source for Kyropoulos method crystal growth equipment
06/27/2012CN102520748A Power output regulation device and power output regulation method
06/27/2012CN101477385B Constant-current constant-voltage circuit
06/27/2012CN101446838B Method and device for controlling power consumption of electronic device
06/27/2012CN101299573B Method and apparatus for active power factor correction
06/26/2012US8207787 Low-voltage operation constant-voltage circuit
06/26/2012US8207723 Method and apparatus to reduce line current harmonics from a power supply
06/26/2012US8207722 DC/DC converter
06/26/2012US8207721 Switching regulator capable of stable operation and improved frequency characteristics in a broad input and output voltage range and method for controlling operation thereof
06/26/2012US8207720 Methods and apparatus for power supply load dump compensation
06/26/2012US8207719 Series regulator circuit and semiconductor integrated circuit
06/26/2012US8207718 Switching power supply circuit
06/26/2012US8207717 Buck-boost DC-DC converter with auxiliary inductors for zero current switching
06/26/2012US8207716 Useful improvements in the art of 3-phase electronic tap changer commutation device
06/26/2012US8207715 Soft-start circuit and power supply circuit including same
06/26/2012US8207714 Method and apparatus for external control mode step down switching regulator
06/26/2012US8207713 Switching power supply circuit
06/26/2012US8207712 Arrangement for exchanging power
06/26/2012US8207711 Biphase laser diode driver and method
06/26/2012US8207689 Current supply for luminescent diodes
06/26/2012US8207687 Dimmable driver circuits for light emitting diodes
06/26/2012US8207683 Buck converter for making power available to at least one LED
06/26/2012US8207680 Discharge lamp ballast having an auto-transformer for high voltage detection
06/26/2012US8207602 High voltage and high power boost converter with co-packaged Schottky diode
06/21/2012WO2012083116A2 Analog power sequencer and method
06/21/2012WO2012082106A1 Method of forming a low power dissipation regulator and structure therefor
06/21/2012WO2012080788A1 Switching arrangement, integrated circuit comprising same, method of controlling a switching arrangement, and related computer program product
06/21/2012WO2012079454A1 Reference power supply circuit
06/21/2012WO2012049239A3 Current output stage having automatic active-passive switching
06/21/2012WO2012041825A3 Presence and operability test of a decoupling capacitor
06/21/2012US20120155208 Negative high voltage generator and non-volatile memory device including negative high voltage generator
06/21/2012US20120155133 Direct current/ direct current converter for reducing switching loss, wireless power receiver including direct current/ direct current converter
06/21/2012US20120155123 Reverse shunt regulator
06/21/2012US20120154029 Pmos resistor
06/21/2012US20120154028 Bias circuit and analog integrated circuit comprising the same
06/21/2012US20120154024 Internal negative voltage generation device
06/21/2012US20120154022 Charge Pump System that Dynamically Selects Number of Active Stages
06/21/2012US20120153923 Method and apparatus for supplying power to 300 pin msa 40gb transponder
06/21/2012US20120153922 Control for regulator fast transient response and low emi noise
06/21/2012US20120153921 Methods and apparatuses for combinations of current feedback for frequency compensation, overload detection, and super overload detection in switching power conversion
06/21/2012US20120153920 Systems for indirect average current measurement
06/21/2012US20120153919 Switching Mode Power Supply Control
06/21/2012US20120153918 Protection Circuit for Protecting a Half-Bridge Circuit
06/21/2012US20120153917 Low-to-medium power single chip digital controlled dc-dc regulator for point-of-load applications
06/21/2012US20120153916 Digital boost feedback voltage controller for switch-mode power supplies using pulse-frequency modulation
06/21/2012US20120153915 Buck or boost dc-dc converter
06/21/2012US20120153914 Load control apparatus
06/21/2012US20120153913 Method for improving voltage identification transient response and voltage regulator
06/21/2012US20120153912 Controller for a Power Converter and Method of Operating the Same
06/21/2012US20120153911 Systems and methods for switched mode power amplification
06/21/2012US20120153910 Dual-loop voltage regulator architecture with high dc accuracy and fast response time
06/21/2012US20120153909 Hybrid fast-slow passgate control methods for voltage regulators employing high speed comparators
06/21/2012US20120153908 Power management circuit and electronic device employing the same
06/21/2012US20120153907 Dual-Stage Power Conversion
06/21/2012US20120153906 Method for scaling a drive signal and circuit therefor
06/21/2012US20120153900 Two-way switching regulator
06/21/2012US20120153869 Dimmable Power Supply
06/21/2012DE19959646B4 Spannungs-Strom-Wandlungsschaltung und Verfahren zum Betreiben einer Spannungs-Strom-Wandlungsschaltung Voltage-current conversion circuit and method of operating a voltage-current conversion circuit
06/21/2012DE102011118545A1 Verfahren und Vorrichtung zum Erzeugen eines Stromsteuerwerts zum Verfolgen eines maximalen Leistungspunkts in einem Solarenergieerzeugungssystem Method and apparatus for generating a current control value for tracking a maximum power point in a solar power generation system
06/21/2012DE102010061433A1 Spannungsregelung für Ausgangstransistor einer Signalausgangsstufe Voltage control for a signal output transistor output stage
06/21/2012DE102005005260B4 Schaltung, insbesondere zur Nachbildung eines frequenzabhängigen Widerstands, und Verfahren zum Betrieb der Schaltung Circuit, in particular for simulating a frequency dependent resistor, and method of operation of the circuit
1 ... 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 ... 378