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)
12/2010
12/16/2010US20100315056 Data retention secondary voltage regulator
12/16/2010US20100315055 Buck converter
12/16/2010US20100315054 High efficiency voltage regulator with auto power-save mode
12/16/2010US20100315053 Hybrid on-chip regulator for limited output high voltage
12/16/2010US20100315052 Method of switching a pwm multi-phase voltage converter
12/16/2010US20100315051 Way out of balance (wob) current correction for use with a multi-phase dc-dc converter
12/16/2010US20100315050 Novel regulation scheme for a charge pump
12/16/2010US20100315049 Method for controlling an interleaving multiphase converter and corresponding controller
12/16/2010US20100315048 Voltage step-up circuit
12/16/2010US20100315047 Control Device for a Multi-phase DC-DC Converter and Related Multi-phase DC-DC Converter
12/16/2010US20100315017 Power converting circuit and controller thereof
12/16/2010US20100314948 Impedance-Based Power Supply Switch Optimization
12/16/2010US20100314048 Adjusting current ratios in inductively coupled plasma processing systems
12/16/2010CA2764988A1 Power harvesting circuit and method for serially coupled dc power sources
12/15/2010EP2262076A2 Power system stabilization system and method employing a rechargeable battery system
12/15/2010EP2260573A1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy
12/15/2010EP2259723A2 Metabolic analyzer transducer
12/15/2010CN201673424U Zener diode voltage stabilizing circuit
12/15/2010CN201673423U Special numerical control direct-current stabilized voltage supply for laboratories
12/15/2010CN101917021A Derivative optimum-based power conversion and transient energy storage control method
12/15/2010CN101916127A Power supply control method for terminal equipment and terminal equipment
12/15/2010CN101420224B Output buffer circuit
12/15/2010CN101297252B Using pulse width modulation in the control of load sharing between paralleled power supplies
12/15/2010CN101009469B Switching power supply controller and method therefor
12/14/2010US7852647 Switching power supply digital control circuit protecting from magnetic saturation effects
12/14/2010US7852642 Full digital soft-start circuit and power supply system using the same
12/14/2010US7852641 Power supply apparatus having multiple outputs
12/14/2010US7852145 Semiconductor device having power supply system
12/14/2010US7852143 Method for providing a very low reference current
12/14/2010US7852142 Reference voltage generating circuit for use of integrated circuit
12/14/2010US7852141 Circuit arrangement for selective generation of an analog current output value or an analog voltage output value
12/14/2010US7852140 Internal voltage generation circuit and method thereof
12/14/2010US7852060 Method of forming a buck-boost mode power supply controller and structure therefor
12/14/2010US7852059 Power supply device
12/14/2010US7852058 Power supply regulator with digital control
12/14/2010US7852057 DC-DC converter
12/14/2010US7852056 Switching regulator
12/14/2010US7852055 Switching regulator
12/14/2010US7852054 Low dropout regulator and the over current protection circuit thereof
12/14/2010US7852053 Power supply and controller circuits
12/14/2010US7852052 Supply circuit for implantable medical devices
12/14/2010US7852051 Current-limiting circuit and method for operating the circuit
12/14/2010US7852029 Control device and control method of boost converter
12/14/2010US7852017 Ballast for light emitting diode light sources
12/14/2010US7852014 Method and cell for controlling the power factor of a power supply line
12/14/2010US7851940 Methods and apparatus for DC-DC converter having independent outputs
12/09/2010WO2010141684A1 Apparatus, method and system for providing ac line power to lighting devices
12/09/2010US20100309743 Power detecting circuit, portable device and method for preventing data loss
12/09/2010US20100309735 Internal power supply circuit, semiconductor device, and semiconductor device manufacturing method
12/09/2010US20100309716 Supply voltage generating circuit and semiconductor device having same
12/09/2010US20100308902 Reference voltage generators for integrated circuits
12/09/2010US20100308901 Internal voltage generating circuit
12/09/2010US20100308900 Method and circuit for charging and discharging a circuit node
12/09/2010US20100308899 Dual-Output Triple-Vdd Charge Pump
12/09/2010US20100308786 Method for driving non-linear load elements
12/09/2010US20100308785 Electronic device and method for dc-dc conversion
12/09/2010US20100308784 Electronic device and method for dc-dc conversion with variable bias current
12/09/2010US20100308783 Fast boost regulator
12/09/2010US20100308782 Controller for a buck-boost circuit
12/09/2010US20100308781 Quick-Start Low Dropout Regulator
12/09/2010US20100308779 System, method and apparatus to automatically detect a type of a variable output dc power source
12/09/2010US20100308778 Electronic system, electronic device and power supply device
12/09/2010US20100308747 Pulse width modulation (pwm) closed loop led current driver in an embedded system
12/09/2010US20100308655 Step-up switching power supply device
12/09/2010US20100308654 Mixed mode control for switching regulator with fast transient responses
12/08/2010EP2259162A1 Device for generating a reference voltage intended for a system with switched capacity.
12/08/2010EP2259161A2 Voltage and current regulators with switched output capacitors for multiple regulation states
12/08/2010EP2258038A1 Low-voltage supply in operating devices for illumination means
12/08/2010EP2257857A2 A family of current/power-efficient high voltage linear regulator circuit architectures
12/08/2010EP1719034B1 A protective and measure device for multiple cold cathode flourescent lamps
12/08/2010CN201667038U Stable state constant current circuit structure
12/08/2010CN201667037U Current source circuit
12/08/2010CN201667036U Multifunctional voltage stabilizer
12/08/2010CN1930541B ADC transfer function providing improved dynamic regulation in a switched mode power supply
12/08/2010CN1905192B Semiconductor integrated circuit apparatus
12/08/2010CN1883094B Load response apparatus conencted with electric load and method for controlling electric load
12/08/2010CN101911492A Charge recycling a 1-of-N NDL gate with a time varying power supply
12/08/2010CN101911293A Methods of forming high density metal wiring for fine line and space packaging applications and structures formed thereby
12/08/2010CN101911291A Bga package with traces for plating pads under the chip
12/08/2010CN101911285A Semiconductor device and manufacturing method thereof
12/08/2010CN101907900A Wide-voltage constant-power control circuit and hair straightener
12/08/2010CN101241374B Apparatus, system and method for regulating power voltage
12/07/2010US7848126 Integrating current regulator and method for regulating current
12/07/2010US7847624 Internal power supply circuit
12/07/2010US7847623 Device and method for power switch monitoring
12/07/2010US7847622 Electric circuit device
12/07/2010US7847621 Control circuit and control method for charge pump circuit
12/07/2010US7847620 Charge pumping circuit with decreased current consumption
12/07/2010US7847619 Servo loop for well bias voltage source
12/07/2010US7847617 Charge pump and method for operating the same
12/07/2010US7847610 Semiconductor device, information processing apparatus and power supply voltage variation suppressing method
12/07/2010US7847533 Apparatus providing protection for power converter
12/07/2010US7847531 DC/DC converter with adaptive drive voltage supply
12/07/2010US7847530 Voltage regulator
12/07/2010US7847529 Dual loop linear voltage regulator with high frequency noise reduction
12/07/2010US7847528 Single-board power supply structure and method for providing power supply
12/07/2010US7847512 Solar powered DC load system
12/07/2010US7847493 Detecting lamp currents and providing feedback for adjusting lamp driving voltages
12/07/2010US7847490 Self-ballasted fluorescent lamp and lighting apparatus
12/02/2010WO2010138948A2 Buck-boost control circuit