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)
06/2012
06/21/2012CA2819415A1 Circuit for protecting an electric load from overvoltages
06/20/2012EP2465191A1 Low power switch mode power supply
06/20/2012EP2465018A2 Method and assembly for operating a solar cell assembly
06/20/2012EP2465017A1 Switch mode power supply with dynamic topology
06/20/2012CN202281962U 一种加热功率控制电路 A heating power control circuit
06/20/2012CN202281961U Current adjusting system of photovoltaic inverter alternating current source
06/20/2012CN1838021B Apparatus and method for generating an output signal that tracks the temperature coefficient of a light source
06/20/2012CN102511010A Electric circuit configuration for switching an electrical load
06/20/2012CN102508511A Photovoltaic inverter MPPT control method based on power disturbance
06/20/2012CN102508510A Single-chip ultra-high-voltage constant-current circuit
06/20/2012CN102508509A Digital correction method for current/frequency conversion circuit
06/20/2012CN102508508A Programmable power circuit of meter bus slave
06/20/2012CN101882925B Any level hysteresis voltage comparator with adjustable return difference voltage
06/20/2012CN101809735B Interconnection element with posts formed by plating
06/20/2012CN101753026B Switching power conversion circuit
06/20/2012CN101707475B High-linearity upper frequency mixer with controllable output voltage and frequency mixing method
06/20/2012CN101606319B Semiconductor integrated circuit device and power supply voltage control system
06/20/2012CN101534060B Switching control circuit for multi-channels and multi-phases power converter
06/20/2012CN101431851B D/A signal superposition feedback circuit
06/20/2012CN101072010B Micro-regulation circuit of transformer winding voltage
06/19/2012US8205101 On-machine power supply with integral coupling features
06/19/2012US8203857 Booster device
06/19/2012US8203378 Boosting circuit
06/19/2012US8203323 Switched mode power supply with current sensing
06/19/2012US8203322 DC-DC converter
06/19/2012US8203321 Multi-functional DrMOS
06/19/2012US8203320 Switching mode converters
06/19/2012US8203319 Transformer on-load tap changer using MEMS technology
06/19/2012US8203318 Method and electricity generating installation for stabilizing an electricity distribution network
06/19/2012US8203286 Solid state lighting panels with variable voltage boost current sources
06/19/2012US8203283 Light emitting diode (LED) arrangement with bypass driving
06/19/2012US8203276 Phase controlled dimming LED driver system and method thereof
06/14/2012WO2012078614A2 Switch-mode power supply with enhanced current source capability
06/14/2012WO2012077195A1 Electronic instrument
06/14/2012WO2012077041A2 Voltage reference and temperature sensor
06/14/2012WO2012075542A1 Power supply control system and device
06/14/2012WO2012053992A4 Current source with active common mode rejection
06/14/2012US20120147634 Circuit and method for regulating a dc voltage and power converter
06/14/2012US20120146716 Apparatus for Controlling Slew Rate
06/14/2012US20120146714 Apparatus and method for adjustable back bias control of an integrated circuit
06/14/2012US20120146611 Circuit to improve stability of boost-mode converters
06/14/2012US20120146610 Discharger and discharger control method
06/14/2012US20120146609 Switching control circuit
06/14/2012US20120146608 Voltage regulator and pulse width modulation signal generation method thereof
06/14/2012US20120146607 Method and apparatus for input charge control of a power supply
06/14/2012US20120146606 Constant On-Time Converter with Stabilizing Operation and Method Thereof
06/14/2012US20120146605 Control circuit for switching regulator, switching regulator and electronic equipment using the control circuit
06/14/2012US20120146604 Switching control circuit
06/14/2012US20120146603 Voltage regulator
06/14/2012US20120146602 Control circuit and method for a buck-boost switching converter
06/14/2012US20120146601 Voltage divider circuit and voltage regulator
06/14/2012US20120146600 Power circuit and circuit board, electrical device using the same
06/14/2012US20120146599 Comparator, control circuit of switching regulator using the same, switching regulator, and electronic equipment
06/14/2012US20120146598 Power converting apparatus and method of sensing output current thereof
06/14/2012US20120146597 Power supply apparatus
06/14/2012US20120146596 Voltage converter
06/14/2012US20120146595 Regulator with high psrr
06/14/2012US20120146594 Circuit of high efficient buck-boost switching regulator and control method thereof
06/14/2012US20120146141 Electronic circuit control element with tap element
06/14/2012DE102007041155B4 LDO mit großem Dynamikbereich des Laststroms und geringer Leistungsaufnahme LDO with wide dynamic range of the load current and low power consumption
06/14/2012CA2820106A1 Power supply control system and device
06/13/2012EP2463674A1 Arrangement and method for testing an electric power generation system
06/13/2012CN202275331U 一种有源箝位电路 An active clamp circuit
06/13/2012CN202275330U 一种带有外启动电源的稳压器 An external power regulator to start with
06/13/2012CN202273042U 一种止纱销控制装置 Only one kind of yarn pin control device
06/13/2012CN1980027B Switching regulator
06/13/2012CN102498449A Apparatus, method and system for providing AC line power to lighting devices
06/13/2012CN102495659A Exponential temperature compensation low-temperature drift complementary metal oxide semiconductor (CMOS) band-gap reference voltage source
06/13/2012CN102495658A Adjustable DC (direct current) power supply monitoring module
06/13/2012CN102495657A Simple digital display controller for power supply
06/13/2012CN102495656A Low dropout linear regulator
06/13/2012CN102495655A Threshold voltage generation circuit and method
06/13/2012CN102495654A Low-dropout regulator and integrated circuit system
06/13/2012CN102495653A Driving power supply of silicon-based micro-positioning platform
06/13/2012CN102495652A Adjustable high-precision voltage reference source
06/13/2012CN102495019A Variable wavelength as infrared sensor
06/13/2012CN101995895B Self-adaptive voltage regulator based on PSM (Pulse Skip Modulation) mode
06/13/2012CN101930244B Low voltage drop out regulator and method for improving power supply rejection ratio thereof
06/13/2012CN101557215B Voltage comparator
06/13/2012CN101505560B Feedback type automatic power control system
06/13/2012CN101484862B Field device electronics fed by an external electrical energy supply
06/13/2012CN101483345B Control method for photovoltaic grid connection inverter with wide input range
06/13/2012CN101303882B Power regulator circuitry for programmable logic device memory elements
06/12/2012US8199541 High efficiency bridgeless PFC power converter
06/12/2012US8199533 Switching power supply device
06/12/2012US8198881 Chopper type DC-DC converter
06/12/2012US8198880 Constant on-time converter and the method of operation
06/12/2012US8198879 Booster circuit and PWM signal generator
06/12/2012US8198878 Workload balancing among power switching components in a multiphase switching power supply
06/12/2012US8198877 Low voltage drop out regulator
06/12/2012US8198876 Power factor compensating method compensating power factors of electronic devices connected to a common power source
06/12/2012US8198875 Voltage regulator
06/12/2012US8198874 Switching power converter with current sensing transformer auxiliary power supply
06/12/2012US8198873 Power converter
06/12/2012US8198857 Common-mode voltage generator with a ripple insensitive sensor for a battery-supplied handset apparatus
06/12/2012US8198852 Drive control circuit for polyphase motor capable of reducing variation among armature currents of respective phases, and spindle apparatus using the same
06/12/2012US8198832 Method and system for extending PWM dimming range in LED drivers
06/12/2012US8198824 Electronic ballast for restarting high-pressure discharge lamps in various states of operation
06/11/2012CA2756901A1 Synchronous rectified pwm regulator with auto fault clearing
06/07/2012WO2012044058A3 Voltage management system and method
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