Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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)
10/2012
10/02/2012US8278991 Power supply circuit and method for controlling the same
10/02/2012US8278903 Optimization of PWM DC operating point of voltage regulators with wide operating range
10/02/2012US8278902 DC to DC switching power converter controller using spread spectrum PWM
10/02/2012US8278901 Switching regulator configured to detect, and compensate for, decrease in output voltage
10/02/2012US8278900 Switched mode power supply with burst mode controller
10/02/2012US8278899 Digital slope compensation for current mode control
10/02/2012US8278898 Auto-tuning power supply
10/02/2012US8278897 Power supply converter and method
10/02/2012US8278896 Switching power supply device
10/02/2012US8278895 Efficiency measuring circuit for DC-DC converter which calculates internal resistance of switching inductor based on duty cycle
10/02/2012US8278894 DC-DC converter and a method for producing the same
10/02/2012US8278893 System including an offset voltage adjusted to compensate for variations in a transistor
10/02/2012US8278892 Converter comprising at least one normally on semiconductor switch
10/02/2012US8278891 Feedback voltage stabilizing apparatus, method, and power conversion system
10/02/2012US8278890 Power supply circuit
10/02/2012US8278889 Adaptive rectifier architecture and method for switching regulators
10/02/2012US8278888 Multiple branch alternative element power regulation
10/02/2012US8278887 Method of starting DC/DC converter using synchronous freewheeling MOSFET
10/02/2012US8278886 Power FET gate charge recovery
10/02/2012US8278885 Switching power source apparatus and control method thereof
10/02/2012US8278884 DC-DC converter
10/02/2012US8278846 Systems and methods for calibrating solid state lighting panels
10/02/2012US8278843 Method for operating a switching-mode power supply
10/02/2012US8278840 Sigma delta current source and LED driver
10/02/2012US8278838 Dimmer device with feedback function
10/02/2012US8278837 Single inductor control of multi-color LED systems
10/02/2012US8278833 Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit
10/02/2012US8277964 System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system
09/2012
09/27/2012WO2012128882A2 Power flow control using distributed saturable reactors
09/27/2012WO2012128137A1 Voltage rise suppression device and distributed power supply interconnection system
09/27/2012WO2012126884A2 Series voltage regulator with electronics protected against short-circuits by magnetic circuit-based decoupling using holes and windows
09/27/2012US20120243264 Power Supply Device
09/27/2012US20120242400 High-voltage mems apparatus and method
09/27/2012US20120242314 Dc-dc converter and digital pulse width modulator
09/27/2012US20120242313 Switching regulator, method of operating the switching regulator, and electronic devices having the switching regulator
09/27/2012US20120242312 Voltage regulator
09/27/2012US20120242311 Systems and Methods of Dynamic Current Limit
09/27/2012US20120242310 Dc-dc converter
09/27/2012US20120242309 Autonomous Controlled Headroom Low Dropout Regulator For Single Inductor Multiple Output Power Supply
09/27/2012US20120242308 Protection system and method for dc-dc converters exposed to a strong magnetic field
09/27/2012US20120242307 Power supply circuit
09/27/2012US20120242306 Driving circuit
09/27/2012US20120242305 Switching circuit and dc-to-dc converter
09/27/2012US20120242304 Source Driver Current Fold-Back Protection
09/27/2012US20120242303 Voltage setting device, photovoltaic power generation system, and control method of voltage setting device
09/27/2012US20120242302 Power supply device
09/27/2012US20120242301 Control apparatus
09/27/2012US20120242300 Dc-dc converter control apparatus and dc-dc converter
09/27/2012US20120242299 Three-phase boost-buck power factor correction converter
09/27/2012US20120242298 Fixed-on-time controller utilizing an adaptive saw signal for discontinuous mode pfc power conversion
09/27/2012US20120242297 Power supply
09/27/2012US20120242157 Devices having different effective series resistance states and methods for controlling such devices
09/27/2012DE102012002612A1 Power supply for electrical load for electrical drive system that is utilized for e.g. electrically adjustable slatted frame in hospital bed, has switching element switching voltage to power supply unit if load is attached at load terminal
09/26/2012EP2503427A1 Method for searching global maximum power point
09/26/2012EP2503426A1 Voltage setting device, photovoltaic power generation system, and control method of voltage setting device
09/26/2012EP2502338A2 A method and apparatus for controlling the powering of a transformer
09/26/2012EP2502122A1 Method of adjusting a voltage across terminals of a load
09/26/2012CN202455289U Photovoltaic battery maximum power point tracking controller
09/26/2012CN202453759U Bipolar reference voltage source device with driving function
09/26/2012CN102696163A Redundant module with symmetrical current paths
09/26/2012CN102692946A Current reference circuit
09/26/2012CN102692945A Rail to rail comparator for asymmetric bias voltage structure applied to FlashADC
09/26/2012CN102692944A Integrated circuit special for motorcycle voltage regulator
09/26/2012CN102692943A Voltage regulator
09/26/2012CN102692942A Low-voltage reference circuit
09/26/2012CN102135780B Proportional voltage follower and constant-current power supply adopting same
09/26/2012CN102012714B Tracking method and circuit of maximum power of solar panel
09/26/2012CN101820221B Switch adjuster
09/26/2012CN101776932B Precision voltage adjusting circuit
09/26/2012CN101500358B Output current compensation circuit of LED driving circuit
09/26/2012CN101339444B Voltage regulator and manufacture method thereof
09/25/2012US8276007 Processor and switching power supply apparatus
09/25/2012US8275343 System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation
09/25/2012US8274805 High voltage power supply
09/25/2012US8274324 Electrostatic actuator apparatus
09/25/2012US8274323 Semiconductor device
09/25/2012US8274322 Charge pump with low noise and high output current and voltage
09/25/2012US8274270 Adaptive pulse width control power conversation method and device thereof
09/25/2012US8274269 Switching circuit and small-size high-efficiency DC-DC converter for portable devices including the same
09/25/2012US8274268 Switching voltage regulator, control circuit and method thereof
09/25/2012US8274267 Hybrid power converter
09/25/2012US8274266 Switch mode power supply with dynamic topology
09/25/2012US8274265 Multi-phase power system with redundancy
09/25/2012US8274264 Digital control method for improving heavy-to-light (step down) load transient response of switch mode power supplies
09/25/2012US8273979 Time averaged modulated diode apparatus for photovoltaic application
09/20/2012US20120236674 Circuit and Method for Operating a Circuit
09/20/2012US20120235661 Controlling a Current Between a Source and a Load
09/20/2012US20120235660 Switching power source apparatus and control method thereof
09/20/2012US20120235659 Control circuit for switching voltage regulator
09/20/2012US20120235658 Power reduction of a power supply unit at light loading or no loading
09/20/2012US20120235657 Soft-start circuit
09/20/2012US20120235656 Current-direction detecting circuit and dc-dc converter
09/20/2012US20120235655 Voltage controlling circuit
09/20/2012US20120235654 Switching mode power supply comprising asynchronous limiter circuit
09/20/2012US20120235653 Zero Current Detecting Circuit and Related Synchronous Switching Power Converter
09/20/2012US20120235652 Switching mode power supply with virtual current sensing and associated methods
09/20/2012US20120235650 Dc-offset correction circuit
09/20/2012US20120235649 Power factor correction converter
09/19/2012CN202444444U Maximum power point tracking device for photovoltaic power generation system under partially-shielded condition
09/19/2012CN202443265U Under-voltage locking circuit with temperature compensation and reference voltage circuit
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