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)
09/2010
09/29/2010CN101847027A System and method for phase dropping and adding
09/29/2010CN101847026A Voltage stabilizer on mixed signal integrated circuit chip
09/29/2010CN101847025A Adaptive constant voltage control circuit and adaptive power conversion controller
09/29/2010CN101340152B Digital direct tuning DC voltage stabilizing and regulating power source
09/29/2010CN101325371B Pwm controller for compensating a maximum output power and power supply convertor
09/29/2010CN101320913B Power supply apparatus, power supply apparatus control method
09/29/2010CN101253461B Single stage inverter device, and related controlling method, for converters of power from energy sources, in particular photovoltaic sources
09/29/2010CN101236443B Multipath DC voltage-stabilizing output circuit
09/29/2010CN101169668B Universal sequence bus voltage stabilization device and its voltage stabilization method
09/29/2010CN101038497B Compensation method, compensated regulator and electronic circuit
09/28/2010USRE41766 Self-driven synchronous rectified boost converter with inrush current protection using bidirectional normally on device
09/28/2010US7804354 Circuit architecture for radiation resilience
09/28/2010US7804285 Control of operation of switching regulator to select PWM control or PFM control based on phase comparison
09/28/2010US7804284 PSRR regulator with output powered reference
09/28/2010US7804283 Mode transitioning in a DC/DC converter using a constant duty cycle difference
09/28/2010US7804282 Buck converter with inductor pre-energizing
09/28/2010US7804281 Reducing common mode noise of power factor correction converters using general balance concept
09/28/2010US7804280 Method and system for providing power factor correction in a power distribution system
09/28/2010US7804258 Circuit for providing an approximately constant resistance and/or current and method therefor
09/28/2010US7804256 Power control system for current regulated light sources
09/28/2010CA2365695C Lighting device
09/23/2010WO2010107854A1 Switch-mode power supply (smps) controller integrated circuit determining operating characteristics from filter component information
09/23/2010WO2010106098A1 Field device for process instrumentation
09/23/2010US20100239303 Converter, switching power supply, and image forming apparatus
09/23/2010US20100238722 Nonvolatile semiconductor memory devices and voltage control circuit
09/23/2010US20100238336 Power-supply-noise cancelling circuit and solid-state imaging device
09/23/2010US20100237956 Bias generation circuit and voltage controlled oscillator
09/23/2010US20100237950 Transconductance bias circuit, amplifier and method
09/23/2010US20100237933 Current supply circuit
09/23/2010US20100237932 Intermediate potential generation circuit
09/23/2010US20100237931 Internal power supply voltage generation circuit
09/23/2010US20100237930 Internal voltage generating apparatus and method for controlling the same
09/23/2010US20100237925 Clock distribution network
09/23/2010US20100237844 Reference voltage providing circuit and related method
09/23/2010US20100237843 Switched-mode power supply
09/23/2010US20100237842 Switching circuit
09/23/2010US20100237841 Power supply and power control device
09/23/2010US20100237840 Bidirectional Power Converters
09/23/2010US20100237839 Hybrid low dropout voltage regulator circuit
09/23/2010US20100237838 Switch-mode power supply (smps) controller integrated circuit determining operating characteristics from filter component information
09/23/2010US20100237837 Minimum on-time reduction method, apparatus, and system using same
09/23/2010US20100237835 Reactive power compensator
09/23/2010US20100237834 Power generation plant voltage control
09/23/2010US20100237792 Discharge tube power supply apparatus and semiconductor integrated circuit
09/23/2010US20100237787 Process and circuitry for controlling a load
09/23/2010US20100237697 System and method for controlling the operation parameters of a display in response to current draw
09/23/2010DE102009014252A1 Feldgerät zur Prozessinstrumentierung Field device for process instrumentation
09/23/2010DE102009014243A1 Local power transformer or circuit for electrical distribution transformer for control or regulation of voltage range of every phase for low voltage level, is provided with distribution transformer with primary and secondary coiling
09/23/2010DE102009012690A1 Voltage converter for use in hand-held electrical tool, has transducer element including luminous element, resistor and Zener diode that are connected in series with each other, where anode of Zener diode is connected with earth
09/22/2010EP2230579A1 Fast switching, overshoot-free, current source and method
09/22/2010EP2229693A1 Semiconductor device and manufacturing method thereof
09/22/2010CN201589986U High-precision current-limiting voltage-stabilizing power source
09/22/2010CN1591265B 电压调节器 Voltage Regulator
09/22/2010CN101842762A Primary only control quasi resonant convertor
09/22/2010CN101841248A Power supply apparatus
09/22/2010CN101840241A Differential current sampling circuit and linear voltage regulator
09/22/2010CN101840240A Adjustable multi-value output reference voltage source
09/22/2010CN101494434B Two stage precise regulation circuit for DC generator output voltage
09/22/2010CN101178609B Method and device for adjusting the electrical power supply of a magnetron, and installation for treatment of thermoplastic containers applying same
09/21/2010US7800922 Switching power supply unit
09/21/2010US7800432 Semiconductor circuit and controlling method thereof
09/21/2010US7800429 Temperature insensitive reference circuit for use in a voltage detection circuit
09/21/2010US7800354 Switching power supply
09/21/2010US7800353 Control unit, power supply device and electronic apparatus
09/21/2010US7800352 Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methods
09/21/2010US7800351 High efficiency voltage regulator with auto power-save mode
09/21/2010US7800350 Apparatus for optimizing diode conduction time during a deadtime interval
09/21/2010US7800349 Voltage dip and undervoltage compensator
09/21/2010US7800348 Motor drive with VAR compensation
09/21/2010US7800347 Control apparatus of DC-DC converter
09/21/2010US7800318 Power supply device for a LCD backlight panel
09/21/2010US7800317 Discharge lamp lighting apparatus and semiconductor integrated circuit
09/21/2010US7800046 Light detection power system and method for same
09/21/2010US7800037 Power supply control circuit with optical feedback
09/21/2010CA2610566C Input current or voltage limited power supply
09/16/2010WO2010103600A1 Power conversion apparatus
09/16/2010US20100231292 Ultra-low power hybrid circuits
09/16/2010US20100231291 Power supply
09/16/2010US20100231290 Measurement device, electronic system, and control method utilizing the same
09/16/2010US20100231270 Switching output circuit
09/16/2010US20100231190 Dc/dc voltage regulator with automatic current sensing selectability for linear and switch mode operation utilizing a single voltage reference
09/16/2010US20100231189 High efficiency buck-boost power converter
09/16/2010US20100231188 Buck dc-to-dc converter and method
09/16/2010US20100231187 Switched mode power supply with current sensing
09/16/2010US20100231186 Single-inductor multiple-output power converter
09/16/2010US20100231185 Power supply device and power conversion assembly thereof
09/16/2010US20100231183 Power converter with improved line transient response, control circuit for power converter, and method for improving line transient response
09/16/2010US20100231172 High Efficiency Switching Linear Battery Charger with Low Power Dissipation
09/16/2010US20100231036 Two-wire adapter
09/15/2010EP2228893A2 Photovoltaic plant with a charging device for the input capacitance of the inverter
09/15/2010EP2227724A1 Sepic fed buck converter
09/15/2010CN201583858U Adjustable current source with self-changed double polarities based on CAN bus control
09/15/2010CN201583857U Novel full-automatic energy-saving AC regulated power supply
09/15/2010CN101836174A Power supply system and voltage monitoring method
09/15/2010CN101834533A Power module
09/15/2010CN101833350A Midpoint voltage self-adaptation device of magnetic resistor network and self-adaptation method
09/15/2010CN101833349A Multi-reference voltage generating circuit
09/15/2010CN101833348A LDO(Low Dropout Regulator)-based resistance value encoding method and device thereof
09/15/2010CN101833347A Temperature drift reducing device and control method thereof
09/15/2010CN101833346A Low dropout regulator with enhanced precision and power supply rejection rate