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)
12/2009
12/02/2009EP2128736A1 Electronic circuit device
12/02/2009EP2126655A2 Power supply
12/02/2009EP2126654A1 Method for regulating supply voltage
12/02/2009EP2126653A1 Method and apparatus for mitigation of dynamic overvoltage
12/02/2009EP2125439A2 Device, system and method for reducing the consumption of closed-circuit current of a motor vehicle
12/02/2009CN201355458Y Portable product power supplier
12/02/2009CN201355381Y Real-time monitoring system for working state of high-power electric element
12/02/2009CN201353676Y TIG welding power supply closed-loop fuzzy control system
12/02/2009CN101594056A Dc-to-dc converter and method thereof
12/02/2009CN101594054A Voltage converting device and voltage converting method
12/02/2009CN101594053A Power supply converter with wide-range voltage input
12/02/2009CN101593786A Temperature compensation circuit used for avalanche photodiode
12/02/2009CN101593559A Circuit for generating a voltage and a non-volatile memory device having the same
12/02/2009CN101592969A Method and device for tracking control of solar electrical energy generation
12/02/2009CN101592968A Low dropout (LDO) regulator circuit
12/02/2009CN101592967A Reference voltage-regulating circuit for temperature compensation and relative conveyer device
12/02/2009CN101592966A Voltage regulator
12/02/2009CN101592965A Circuit and method for multimode control, and AC-DC conversion circuit
12/02/2009CN100566100C Switching regulator control circuit and switching regulator
12/02/2009CN100565416C Digital pulse width modulation controller with preset filter coefficients
12/01/2009USRE41015 Bicycle battery charger and speedometer circuit
12/01/2009US7626463 Automatic frequency compensation for pulse width modulated RF level control
12/01/2009US7626448 Internal voltage generator
12/01/2009US7626447 Generation of analog voltage using self-biased capacitive feedback stage
12/01/2009US7626446 Charge pump capable of enhancing power efficiency and output voltage
12/01/2009US7626445 Charge pump circuit and methods of operation thereof
12/01/2009US7626444 Autonomous control of multiple supply voltage generators for display drivers
12/01/2009US7626372 Control circuit for multi-phase, multi-channels PFC converter with variable switching frequency
12/01/2009US7626371 Power supply unit and portable device
12/01/2009US7626370 Apparatus and method for hysteretic boost DC-DC converter
12/01/2009US7626369 Switch mode power converter
12/01/2009US7626368 Method and apparatus for providing a regulated voltage at a voltage output
12/01/2009US7626367 Voltage reference circuit with fast enable and disable capabilities
12/01/2009US7626366 Power supply circuit capable of reducing the number of external components
11/2009
11/26/2009WO2009143368A2 Non-cryogenic storage cell for hyperpolarized 129xe
11/26/2009WO2009141314A1 Controlled current source and method for sourcing a current
11/26/2009WO2009118535A3 Linear regulator with zero crossing coordination
11/26/2009WO2009117211A3 Improved motion-sensitized driven equilibrium blood-suppression sequence for vessel wall imaging
11/26/2009US20090289720 High-Efficiency Envelope Tracking Systems and Methods for Radio Frequency Power Amplifiers
11/26/2009US20090289698 Ultra low power wake-up circuit
11/26/2009US20090289697 Bandgap reference generator utilizing a current trimming circuit
11/26/2009US20090289695 Voltage detection circuit and voltage detection method
11/26/2009US20090289612 Switching power supply and portable device
11/26/2009US20090289611 Circuit combining a switching regulator and an overvoltage detection circuit
11/26/2009US20090289610 Low dropout regulator
11/26/2009US20090289609 Power supply, tester, and stabilizer
11/26/2009US20090289608 Soft-start circuit for power regulators
11/26/2009US20090289593 Control device for automatic transmission
11/26/2009US20090289576 Led light output linearization
11/25/2009EP2124124A1 Controlled current source and method for sourcing a current
11/25/2009EP2122831A2 Digital double-loop output voltage regulation
11/25/2009EP2122816A2 Control method for a universal power condition system
11/25/2009EP2122432A1 Voltage limiter and protection for a photovoltaic module
11/25/2009CN201352770Y System and circuit element for compensating inductance deviation
11/25/2009CN201352769Y Power inverter realizing primary control of constant output current
11/25/2009CN201352762Y Multi-level impulse sequence control device for switch power supply in pseudo continuous work mode
11/25/2009CN201352712Y Synchronous switching control cabinet with automatic correction system
11/25/2009CN201352323Y High-efficient synchronous rectification depressurization-type voltage stabilizer
11/25/2009CN101589353A Method, system, amd apparatus for controlling an electric motor
11/25/2009CN101587359A Novel voltage stabilizer filtering topology and filtering control method
11/25/2009CN100562831C IC, current limiter system, and its method
11/25/2009CN100562830C Constant-voltage circuit and controlling method thereof
11/25/2009CN100562829C AC voltage stabilizer
11/25/2009CN100562828C Electrical level output device for guaranting maximum voltage headroom and its method
11/24/2009US7622984 Charge pump circuit and methods of operation thereof
11/24/2009US7622904 Power array system and method
11/24/2009US7622903 EMI rejection for temperature sensing diodes
11/24/2009US7622902 Low drop out regulator with over-current protection
11/24/2009US7622901 System power supply apparatus and operational control method
11/24/2009US7622900 Semiconductor integrated circuit supplying voltage to a load using a charge pump and electronic device including the same
11/24/2009US7622826 Flicker improvement effect evaluating system
11/24/2009US7622789 Polymer transistor arrangement, integrated circuit arrangement and method for producing a polymer transistor arrangement
11/19/2009WO2009103046A3 Medical image reporting system and method
11/19/2009US20090285038 Interleaving charge pumps for programmable memories
11/19/2009US20090284309 Power supply voltage dropping circuit in which nch (n-channel) transistor is used as output stage, semiconductor device, power supply voltage circuit, power supply voltage dropping method, and power supply voltage outputting method
11/19/2009US20090284308 Voltage generation circuit and flash memory device including the same
11/19/2009US20090284305 Apparatus for Detecting a State of Operation of a Power Semiconductor Device
11/19/2009US20090284304 Circuit for generating a temperature-compensated voltage reference, in particular for applications with supply voltages lower than 1v
11/19/2009US20090284240 Method and system for providing local converters to provide maximum power point tracking in an energy generating system
11/19/2009US20090284239 Quick response mechanism and method for a switching power system
11/19/2009US20090284238 Re-programmable modular power management circuit
11/19/2009US20090284237 Power supply apparatus and electrical device therewith
11/19/2009US20090284236 Constant current source apparatus
11/19/2009US20090284235 Adaptive Compensation Scheme for LC Circuits In Feedback Loops
11/19/2009US20090284234 Power distribution system control and monitoring
11/19/2009US20090284233 Quantized voltage feed-forward a power factor correction controller
11/19/2009US20090284182 Method For Dimming Non-Linear Loads Using An AC Phase Control Scheme And A Universal Dimmer Using The Method
11/19/2009US20090284155 Gas-discharge lamp replacement
11/19/2009US20090284081 Power discharge control system
11/18/2009EP2120123A1 Slew rate control
11/18/2009EP2119895A1 Fuel injection control with variable injector current profile
11/18/2009CN201349180Y Synchronous rectifier driving circuit
11/18/2009CN101583918A Power converters with limited operation to conserve power and with adjustments that overcome ringing
11/18/2009CN101582642A Electromagnetic interference resistance power converter
11/18/2009CN101582641A Low-electromagnetic interference power converter
11/18/2009CN101582640A High-efficiency low-electromagnetic interference power converter
11/18/2009CN101581947A Voltage stabilizer
11/18/2009CN101581946A Compensator transformer type voltage regulation method and device
11/18/2009CN101581945A Voltage regulating method, device and system
11/18/2009CN100562205C Electronic stabilizer and control method thereof