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
11/01/2011	US8050064 Semiconductor power conversion device
11/01/2011	US8050062 Method and system to allow for high DC source voltage with lower DC link voltage in a two stage power converter
11/01/2011	US8050060 Method for operating a converter circuit and apparatus for implementing the method
11/01/2011	US8049599 Power control device
11/01/2011	US8049555 Low leakage sampling switch
11/01/2011	US8049554 Integrated circuit
11/01/2011	US8049553 High-voltage CMOS charge pump
11/01/2011	US8049552 Internal voltage generator of semiconductor device
11/01/2011	US8049551 Charge pump for switched capacitor circuits with slew-rate control of in-rush current
11/01/2011	US8049550 Method for power reduction and a device having power reduction capabilities
11/01/2011	US8049549 Delta phi generator with start-up circuit
11/01/2011	US8049482 Multi-threshold multi-gain active transient response circuit and method for digital multiphase pulse width modulated regulators
11/01/2011	US8049481 Adaptive multi-mode digital control improving light-load efficiency in switching power converters
11/01/2011	US8049480 Comparator-system DC-DC converter
11/01/2011	US8049479 DC/DC converter package having separate logic and power ground terminals
11/01/2011	US8049478 Switching regulator and method for eliminating beat oscillation
11/01/2011	US8049477 Apparatus and method for bias modulator using zero current switching
11/01/2011	US8049476 Method for changing an output voltage and circuit therefor
11/01/2011	US8049475 5 volt tolerant voltage regulator
11/01/2011	US8049474 Switching converter with plural converter stages having calibrated current uptake
11/01/2011	US8049473 Power supply circuit
11/01/2011	US8049472 Single inductor multiple output switching devices
11/01/2011	US8049471 System, method and apparatus to automatically detect a type of a variable output DC power source
11/01/2011	US8049441 Ballast circuit
11/01/2011	US8049438 Driving circuits and controllers for controlling power to a load
11/01/2011	US8049437 System and method for real time control of lighting system
11/01/2011	US8049436 Dimmer and lighting apparatus
11/01/2011	US8048229 Apparatus for depositing an organic layer and method for controlling a heating unit thereof
10/2011
10/27/2011	WO2011133856A1 An electronic method to improve the starting characteristics of direct current arc lamps
10/27/2011	WO2011133156A1 System and method for balancing input current with parallel power supplies
10/27/2011	WO2010052137A3 Electric motor
10/27/2011	US20110260785 Low Leakage and Data Retention Circuitry
10/27/2011	US20110260783 Semiconductor device
10/27/2011	US20110260782 Electronic circuit with a regulated power supply circuit
10/27/2011	US20110260781 Integrated circuit device
10/27/2011	US20110260779 Current balancing device for parallel batteries and control method thereof
10/27/2011	US20110260747 Semiconductor device and method of testing the same
10/27/2011	US20110260703 System and method for detection and compensation of aggressive output filters for switched mode power supplies
10/27/2011	US20110260702 Voltage Converter and Method for Voltage Conversion
10/27/2011	US20110260701 Multilevel Converter as Reactive Power Compensator Having Active Power Symmetrization
10/27/2011	US20110260700 Power factor correction converter and control method thereof
10/27/2011	US20110260686 Universal battery pack and powering system
10/27/2011	US20110260543 Converter device and uninterruptible power supply equipped with one such device
10/26/2011	EP2380070A2 Power control of serially connected cells
10/26/2011	EP2380069A1 Electronic management system for photovoltaic cells
10/26/2011	EP2380068A2 Enabling a charge limited device to operate for a desired period of time
10/26/2011	CN202018615U Novel multi-channel precision direct-current constant-current source
10/26/2011	CN202018614U High-power high-speed line regulation constant flow source
10/26/2011	CN101676827B Method for converting an input voltage to an output voltage, power regulator and electronic system
10/26/2011	CN101667046B Low-voltage difference voltage adjuster
10/26/2011	CN101609345B Linear voltage regulator
10/26/2011	CN101405669B Universal monitoring and diagnostic control system for a transformer or tap-changer
10/26/2011	CN101162868B Converter with continuously adjustable output
10/25/2011	US8046179 Power converter disable verification system and method
10/25/2011	US8045944 Offset correction for passive mixers
10/25/2011	US8044709 Semiconductor integrated circuit device
10/25/2011	US8044708 Reference voltage generator
10/25/2011	US8044707 VDD/5 or VDD/6 charge-pump
10/25/2011	US8044706 Reduced capacitor charge-pump
10/25/2011	US8044705 Bottom plate regulation of charge pumps
10/25/2011	US8044704 Current controller and method therefor
10/25/2011	US8044651 Efficient PWM controller
10/25/2011	US8044650 Methods and apparatus for current sensing in mutually coupled inductors
10/25/2011	US8044649 Dual mode regulation loop for switch mode power converter
10/25/2011	US8044648 Start mode in switching regulation
10/25/2011	US8044647 Voltage down converter
10/25/2011	US8044646 Voltage regulator with quasi floating gate pass element
10/25/2011	US8044645 Multi-phase voltage regulator
10/25/2011	US8044644 Symmetric sample and hold over-current sensing method and apparatus
10/25/2011	US8044643 Power supply switching circuit for a halogen lamp
10/25/2011	US8044642 Power supply device capable of stably supplying output voltage with increased responsiveness
10/25/2011	US8044611 LED control device
10/23/2011	CA2737985A1 Universal battery pack and powering system
10/20/2011	WO2011130303A2 Portable electronic device power manager with current limit feedback control loop modification for stabilizing an external power supply
10/20/2011	WO2011129223A1 Power converter
10/20/2011	WO2011127906A2 Open-loop/closed-loop control of the secondary voltage of local mains system transformers by the use of mains-commutated inverters
10/20/2011	WO2011060280A3 A method and apparatus for controlling the powering of a transformer
10/20/2011	US20110254887 Capacitive load driving device and liquid jet apparatus
10/20/2011	US20110254828 Family of current/power-efficient high voltage linear regulator circuit architectures
10/20/2011	US20110254631 Reference assisted control system and method thereof
10/20/2011	US20110254617 Semiconductor device
10/20/2011	US20110254616 Boosting circuit of charge pump type and boosting method
10/20/2011	US20110254615 Pll charge pump with reduced coupling to bias nodes
10/20/2011	US20110254531 Current Balancing Multiphase Power Converters, Controllers and Methods
10/20/2011	US20110254527 Analog current output circuit
10/20/2011	US20110254526 Voltage Regulator with Optimal Efficiency Selection and a Master-Slave Zero Cross Detection Configuration
10/20/2011	US20110254525 Dimming control for a switching power supply
10/20/2011	US20110254524 Current driver circuit
10/20/2011	US20110254523 Power source circuit
10/20/2011	US20110254522 Standby power supply circuit
10/20/2011	US20110254521 Floating-gate programmable low-dropout regulator and methods therefor
10/20/2011	US20110254520 Controllers, systems and methods for implementing multi-phase control
10/20/2011	US20110254519 Ultrasonic generator and program writing method
10/20/2011	US20110254518 Static var compensator apparatus
10/20/2011	US20110254517 Self-excited reactive power compensation apparatus
10/20/2011	US20110254511 Portable electronic device power manager with current limit feedback control loop modification for stabilizing an external power supply
10/19/2011	EP2378843A1 Device for regulating the luminous intensity in fluorescent lamps with an electromagnetic reactance and a starter, and lighting system which comprises said device
10/19/2011	EP2376993A1 Method and system for extracting electric power from a renewable energy source
10/19/2011	CN102224472A Power generation system and method of operating a power generation system
10/19/2011	CN102221841A Voltage feedback switched capacitor-based broken line segment fitting circuit

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