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)
11/2012
11/15/2012US20120286751 Voltage regulator
11/15/2012US20120286750 Switching regulators with adaptive clock generators and associated methods of control
11/15/2012US20120286749 Step-up/down dc-dc converter and switching control circuit
11/15/2012US20120286748 Buck converter
11/15/2012US20120286747 Buck converter
11/15/2012US20120286746 Dynamic control of the power sourcing capability of a power source
11/15/2012US20120286745 Digital power factor correction device
11/15/2012US20120286691 Method, Apparatus, and System for Supplying Pulsed Current to a Load
11/15/2012US20120286671 System and method for driving led
11/15/2012US20120286576 Single-inductor-multiple-output regulator with synchronized current mode hysteretic control
11/15/2012US20120286135 Low drop-out regulator with distributed output network
11/15/2012DE102011089588A1 Power monitoring device for determining electric power of medium voltage network, has power generation system for feeding electric power into network, and software program including controller that reduces power injected to network
11/14/2012CN202533830U Current source circuit with temperature compensation function
11/14/2012CN202533829U Non-capacitance low-voltage-differential linear voltage stabilizing system and bias current adjusting circuit thereof
11/14/2012CN202533828U Linear voltage stabilizer with low voltage difference
11/14/2012CN202533827U Main circuit of non-contact compensation-type voltage regulator
11/14/2012CN202533826U Main circuit of mechanical compensation type voltage stabilizer
11/14/2012CN102782979A Energy harvester battery charger circuit and method
11/14/2012CN102782602A System for the electronic management of photovoltaic cells with adapted thresholds
11/14/2012CN102778915A Self-adaptive MPPT (Maximum Power Point Tracking) method for solar energy with three stages of sectional temperature fed back based on final power
11/14/2012CN102778914A 电压调节器 Voltage Regulator
11/14/2012CN102778913A Circuit and method for calibrating voltage with unmatched resistance
11/14/2012CN102778912A Startup circuit and power supply system integrated with same
11/14/2012CN102778911A Voltage buffer circuit and low dropout regulator (LDO) integrated with voltage buffer circuit
11/14/2012CN102778910A High voltage reference
11/14/2012CN102778898A Automatic tracking device and method of maximum exposure dose of photovoltaic cell
11/14/2012CN101836174B Power supply system and voltage monitoring method
11/14/2012CN101599655B Charge-controlling semiconductor integrated circuit
11/14/2012CN101551687B Vector tracking feedback method of closed triangle
11/13/2012US8310850 Method and apparatus for varying current limit to limit an output power of a power supply
11/13/2012US8310847 Secondary side post regulator of flyback power converter with multiple outputs
11/13/2012US8310300 Charge pump having ramp rate control
11/13/2012US8310299 Charge pump regulator and method of producing a regulated voltage
11/13/2012US8310298 Ratioed feedback body voltage bias generator
11/13/2012US8310222 Method of forming a power supply controller and structure therefor
11/13/2012US8310221 Electronic device and method for DC-DC conversion with slope compensation
11/13/2012US8310220 Power supply controller having analog to digital converter
11/13/2012US8310219 DC-DC converter with a PWM mode and a continuously on mode
11/13/2012US8310218 Time-multiplexed-capacitor DC/DC converter with multiple outputs
11/13/2012US8310217 Power conversion circuit for decentralizing input current
11/13/2012US8310216 Synchronous rectifier control for synchronous boost converter
11/13/2012US8310215 Linear modulation voltage transformer circuitry
11/13/2012US8310214 System and method for control of multiphase power converters
11/13/2012US8310172 Current ripple reduction circuit for LEDs
11/13/2012US8310160 Anti-arcing circuit for current-fed parallel resonant inverter
11/13/2012US8308308 Device and method for driving discharge lamp, light source device, and projector that records an operation history of applied start-up pulses
11/08/2012WO2012112461A3 Parameter configuration method for elements of a power factor correction converter
11/08/2012WO2011146843A3 Thermophotovoltaic energy generation
11/08/2012US20120281448 Power factor correction circuit
11/08/2012US20120280670 Off-line converter with digital control
11/08/2012US20120280669 Dynamic control of frequency compensation for improved over-voltage protection in a switching regulator
11/08/2012US20120280668 Power supply control apparatus
11/08/2012US20120280667 Flexible load current dependent feedback compensation for linear regulators utilizing ultra-low bypass capacitances
11/08/2012US20120280666 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
11/08/2012US20120280571 Voltage compensation
11/08/2012DE102011050194A1 Elektromotorischer Möbelantrieb mit einer Energieversorgungseinrichtung Electromotive furniture drive with a power supply device
11/08/2012DE102004056979B4 Leuchtensteuersystem Lighting control system
11/07/2012EP2520998A1 Flexible load current dependent feedback compensation for linear regulators utilizing ultra-low bypass capacitances
11/07/2012EP2520014A1 Controllable universal power supply with reactive power management
11/07/2012CN202522954U Alternating-current solid-state power controller
11/07/2012CN202522953U Adjustment controller for electrothermal pipe on cutter of band blank cutting machine
11/07/2012CN202522952U Numerical control direct-current voltage source
11/07/2012CN202522951U Control circuit of controller of solar power generation system
11/07/2012CN202522930U Novel solar double-shaft automatic tracking system
11/07/2012CN102770823A Method for determining a maximum power point of photovoltaic generators
11/07/2012CN102770822A Photovoltaic power generation system
11/07/2012CN102769987A Electrodeless lamp system with solar maximum power tracking control
11/07/2012CN102768555A High-efficiency mppt control strategy applicable to photovoltaic system
11/07/2012CN102768554A Constant-current source for gyroscope gauge outfit torquer
11/07/2012CN102768553A Current supply system, ADC (analog-digital converter) using current supply system and current supplying method
11/07/2012CN101605422B Fluorescent lighting tube driving circuit
11/06/2012US8305135 Semiconductor device
11/06/2012US8305134 Reference current source circuit provided with plural power source circuits having temperature characteristics
11/06/2012US8305067 Controller and driver communication for switching regulators
11/06/2012US8305066 Low dropout regulator
11/06/2012US8305065 Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters
11/06/2012US8305064 Control device for a switching converter
11/06/2012US8305063 Power supply controller with an input voltage compensation circuit
11/06/2012US8305062 Method for controlling a voltage regulator, in particular a converter of the multiphase interleaving type and corresponding controller
11/06/2012US8305061 Apparatus and method for digitally controlled buck-boost switching regulator
11/06/2012US8305060 Switching power supply device and a semiconductor integrated circuit
11/06/2012US8305059 Voltage regulator circuit
11/06/2012US8305058 Power supply having an improved maximum power point tracking function
11/06/2012US8305057 Power supply and over voltage protection apparatus and over voltage protection method
11/06/2012US8305056 Low drop-out voltage regulator with wide bandwidth power supply rejection ratio
11/06/2012US8305055 Non-inverting buck boost voltage converter
11/06/2012US8305053 System and method for controlling a power switch in a power supply system
11/06/2012US8305052 Power array for high power pulse load
11/06/2012US8305051 AC-DC switching power converters with frequency variation in response to load changes
11/06/2012US8305050 Circuit and method to startup from very low voltages and improve energy harvesting efficiency in thermoelectric harvesters
11/06/2012US8305014 Lighting control using scan and step change
11/06/2012US8305013 Circuits and methods for controlling dimming of a light source
11/06/2012US8305010 Light-emitting diode lighting device with step-down chopper
11/06/2012US8305008 Constant-current controller for LED light string
11/06/2012US8305007 Analog-to-digital converter with non-uniform accuracy
11/06/2012US8304931 Configurable power supply integrated circuit
11/01/2012WO2012147257A1 Power conversion device and solar power generation system
11/01/2012WO2012146297A1 Method and control arrangement in a power system
11/01/2012WO2012121794A3 Reduced power consumption for boost converter
11/01/2012WO2012109536A3 Input current shaping for transition and discontinuous mode power converter
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