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)
07/2013
07/25/2013US20130187624 Semiconductor integrated circuit device and dc-dc converter
07/25/2013US20130187623 Smart dimming solution for led light bulb and other non-linear power ac loads
07/25/2013US20130187622 Voltage equalization device and a medical imaging device having a voltage equalization device
07/25/2013US20130187620 Power efficient transconductance amplifier apparatus and systems
07/25/2013US20130187619 Shunt regulator
07/25/2013US20130187566 Conversion control circuit and converter thereof
07/25/2013US20130187463 Switching Power Control Device and Control Method of the Same
07/25/2013DE102012200784A1 Spannungsausgleichsvorrichtung sowie eine medizinische Bildgebungsvorrichtung mit einer Spannungsausgleichsvorrichtung Voltage compensation device and a medical imaging device with a voltage-balancing device
07/24/2013CN203084595U Foot tub control circuit with frequency conversion pressure regulation function
07/24/2013CN203084594U Tile type power module
07/24/2013CN203084593U Electric heating rod power control system based on computer control
07/24/2013CN203084592U Circuit for improving stored program control direct-current power source load regulation
07/24/2013CN203084591U Digital power
07/24/2013CN203084590U Improved-structure PWM linear voltage regulator circuit
07/24/2013CN203084589U Inhibiting-signal generating circuit, integrated circuit and switching power supply
07/24/2013CN203084588U Voltage stabilizer
07/24/2013CN203084587U Scanning high-voltage direct current driving circuit structure of optical filter
07/24/2013CN203084586U Mining explosion-proof automatic voltage stabilizer
07/24/2013CN203084585U High-voltage voltage and current source module based on isolation type direct current to direct current (DC to DC) power supply
07/24/2013CN203084584U Intelligent voltage regulation controller
07/24/2013CN203084583U Power supply circuit and electronic device
07/24/2013CN203084582U Energy-saving automatic coupling voltage regulating device
07/24/2013CN103221894A Power supply circuit for vehicle
07/24/2013CN103219979A Radio frequency switch, auxiliary voltage generating unit for a radio frequency switch, and method of obtaining auxiliary voltage for a radio frequency switch
07/24/2013CN103219947A Voltage regulator
07/24/2013CN103219895A Voltage equalization device and a medical imaging device having a voltage equalization device
07/24/2013CN103218007A Circuit system and control method for electronic converter
07/24/2013CN103218006A Novel maximum power point tracking (MPPT) control method based on Boost-type convertor
07/24/2013CN103218005A Intelligent power plate based on microcomputer
07/24/2013CN103218004A Numerical-control direct-current voltage source
07/24/2013CN103218003A Low-dropout voltage stabilizer with multiple power sources input
07/24/2013CN103218002A Photoionization detector bias voltage generation circuit
07/24/2013CN103218001A Soft-start voltage adjusting circuit
07/24/2013CN103218000A Numerical-control direct-current current source
07/24/2013CN103217999A Numerical-control direct-current power source
07/24/2013CN102253682B Maximum power point tracking (MPPT) control method of photovoltaic battery
07/24/2013CN102135781B Startup acceleration circuit of reference voltage circuit
07/24/2013CN102053644B System and method for generating a tunable DC slope voltage
07/24/2013CN102043418B Voltage generation system that can dynamically calibrate a time period for enabling the system, and method
07/24/2013CN101847027B System and method for phase dropping and adding
07/24/2013CN101599692B Quick response device and method of switching power converter
07/24/2013CN101520668B 稳压器 Stabilizer
07/23/2013US8493755 Power supply with zero power consumption capability
07/23/2013US8493751 High efficiency power converter
07/23/2013US8493209 Distributed lighting control of a corridor or open areas
07/23/2013US8493137 PSRR in a voltage reference circuit
07/23/2013US8493136 Driver circuit and a mixer circuit receiving a signal from the driver circuit
07/23/2013US8493135 Semiconductor integrated circuit
07/23/2013US8493134 Method and apparatus to provide a clock signal to a charge pump
07/23/2013US8493133 Semiconductor memory apparatus
07/23/2013US8493132 Supply voltage generating circuit
07/23/2013US8493050 Control circuit for switching power supply unit, electronic device and method for controlling switching power supply unit
07/23/2013US8493049 Converter with crossover frequency responsive to switching frequency
07/23/2013US8493048 Constant on-time switching regulator implementing light load control
07/23/2013US8493047 Constant on-time switching regulator implementing dual control loops
07/23/2013US8493046 Control device for DC/DC converter
07/23/2013US8493045 Voltage regulator configuration
07/23/2013US8493044 Multi-phase DC-to-DC converter with daisy chained pulse width modulation generators
07/23/2013US8493043 Voltage regulator circuitry with adaptive compensation
07/23/2013US8493042 Switching regulator
07/23/2013US8493040 Voltage regulator with charge pump
07/23/2013US8492999 System and method for controlling electrical power of LED and LED projector having the same
07/23/2013US8492998 Driver circuit for driving light-emitting elements including a power switching element
07/23/2013US8492997 Driving circuit of light-emitting element and method of generating driving signal therefor
07/23/2013US8492993 LED driving circuit and power converting circuit
07/23/2013US8492923 Lamp circuit with simplified circuitry complexity
07/22/2013DE202013103060U1 Netzteil mit einem Stromunterbrecher Power supply with a circuit breaker
07/18/2013WO2013106095A1 Linear synchronous rectifier drive circuit
07/18/2013WO2013105087A1 Chiller control
07/18/2013WO2013060564A3 Reconfigurable pv configuration
07/18/2013US20130182164 Comparator implementation for processing signals output from an image sensor
07/18/2013US20130181694 Converter For Converting An Input Current To An Output Voltage, Arrangement Comprising The Converter And Method For Converting An Input Current To An Output Voltage
07/18/2013US20130181692 Power supply system
07/18/2013US20130181691 Output control apparatus of solar cell
07/18/2013US20130181690 Active droop power supply with improved step-load transient response
07/18/2013US20130181634 Method and apparatus for synchronous sine wave dimming of luminaries
07/18/2013US20130181523 Chip Level Integration of a Boosted Class-D Amplifier and Integrated LED Flash Driver
07/18/2013DE212011100167U1 Temperaturüberwachung und -steuerung von Lichtquellen Temperature monitoring and control of light sources
07/18/2013DE102008012392B4 Technik zur Verbesserung des Spannungsabfalls in Reglern mit geringem Spannungsabfall durch Einstellen der Aussteuerung Technique for improving the voltage drop in the low dropout regulators by adjusting the modulation
07/17/2013EP2614416A1 System and method for providing a low power remote control
07/17/2013CN203071590U Power optimization?device, solar panel and grid-connected power generation system
07/17/2013CN203070146U Band-gap reference circuit
07/17/2013CN203070145U Current signal generation circuit and current compensation device
07/17/2013CN203070144U low-dropout voltage regulator and electronic circuit
07/17/2013CN203070143U Constant current source with adjustable output currents
07/17/2013CN203070142U Drive circuit of double cladding power optical fiber amplifier
07/17/2013CN203070141U Output voltage regulating device of electronic cigarette controller and electronic cigarette
07/17/2013CN203070140U Low-frequency power supply capable of being automatically adaptive to voltage input
07/17/2013CN203068894U Photovoltaic refrigerator with maximum power point tracing
07/17/2013CN103208980A Window voltage comparison device
07/17/2013CN103207639A Photovoltaic inverter with maximum power point tracking module and operation method of photovoltaic inverter
07/17/2013CN103207638A Performance, thermal and power management system and related method
07/17/2013CN103207637A Frequency compensating circuit in voltage stabilizer with low voltage drop
07/17/2013CN103207636A Circuit for providing low-noise band-gap reference voltage source
07/17/2013CN103207635A Potentiometer interface circuit for light-emitting device
07/17/2013CN103203287A Ozone regulating device of high-voltage electrostatic sterilization-dedusting air purifier
07/17/2013CN102354246B Active clamping circuit
07/17/2013CN102323842B Band-gap voltage reference source for high-order temperature compensation
07/17/2013CN101540548B Method of controlling a dc-dc converter in discontinuous mode
07/16/2013US8489910 Timing controller, timing control method, and timing control system
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