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)
08/2003
08/26/2003US6611131 Cancellation of slope compensation effect on current limit
08/21/2003WO2003069420A2 Low drop-out voltage regulator
08/21/2003US20030155964 Increasing power supply noise rejection using linear voltage regulators in an on-chip temperature sensor
08/21/2003US20030155902 Buffered configurable nonvolatile programmable digital potentiometer
08/21/2003US20030155900 Timer circuit and battery protection circuit using same
08/21/2003US20030155899 Power regulation and thermal management circuit and method
08/21/2003US20030155895 Filtering circuit and battery protection circuit using same
08/20/2003EP1336912A1 Low drop-out voltage regulator
08/20/2003EP1336911A1 Circuit arrangement for controlling a constant current through a load
08/20/2003EP1336135A1 Circuit arrangement for generating a controllable output voltage
08/20/2003CN2567903Y Temp. measuring and temp. control type electrothermal clothes
08/20/2003CN2567902Y Temp. measuring and temp. control type electrothermal cappa
08/20/2003CN2567901Y Temp. measuring and temp. control type electrothermal mattress
08/20/2003CN1437311A DC voltage-stablized source apparatus
08/20/2003CN1437085A Reference voltage generating circuit and generating method, display drive circuit and display
08/20/2003CN1437084A Reference voltage generating circuit and method, display drive circuit and display device
08/20/2003CN1437082A Voltage stabilizing circuit with voltage-dividing well resistor
08/19/2003US6608997 Method and apparatus for varying the power level of a transmitted signal
08/19/2003US6608520 Regulator circuit
08/14/2003WO2003067745A2 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
08/14/2003WO2003067357A1 Power regulator employing a sinusoidal reference
08/14/2003US20030151616 Reference voltage generation circuit, display drive circuit, display device and reference voltage generation method
08/14/2003US20030151577 Reference voltage generation circuit, display drive circuit, display device and reference voltage generation method
08/14/2003US20030151482 Wide ratio autotransformer-type current ranging
08/14/2003US20030151449 Semiconductor device equipped with a voltage step-up circuit
08/13/2003EP1335344A2 Reference voltage generation method and circuit, display drive circuit and display device with gamma correction and reduced power consumption
08/13/2003CN1436392A Multi-phase pulse width modulated voltage regulator
08/13/2003CN1435930A Method and device for controlling power of electric appliance based on temp.
08/13/2003CN1118121C Compensation device and power transmission system using compensation device
08/12/2003US6605929 Power supply noise sensor
08/12/2003US6605833 Integrated circuit with circuit elements having different supply voltages
08/12/2003CA2279072C Onhook telecom power supply regulator mode
08/07/2003WO2003065564A1 Method and device for controlling photovoltaic inverter, and feed water device
08/07/2003US20030147193 Voltage regulator protected against short -circuits
08/07/2003US20030146782 Step-up circuits
08/07/2003US20030146741 Voltage generation circuit for selectively generating high and negative voltages on one node
08/07/2003US20030146740 Voltage regulated circuit with well resistor divider
08/06/2003EP1332546A1 A power load-leveling system and packet electrical storage
08/06/2003CN2565205Y Remote-switch
08/05/2003US6603341 Load drive circuit having low voltage detector
08/05/2003US6603295 Circuit configuration for the generation of a reference voltage
08/05/2003US6603293 Power supply rejection ratio optimization during test
08/05/2003US6603292 LDO regulator having an adaptive zero frequency circuit
08/05/2003US6603285 Power circuit, power supply method, and electronic device
08/05/2003US6603221 Solid state electrical switch
08/05/2003US6603217 Semiconductor circuit device having hierarchical power supply structure
07/2003
07/31/2003WO2003021637A3 A high performance integrated circuit regulator with substrate transient suppression
07/31/2003US20030141767 Method of and device for temperature-dependent power control of electrical device
07/30/2003CN2563809Y Intelligent reactive compensation controller
07/30/2003CN1432885A Voltage stabilizing circuit with current mirror to compensate current and prevent initial overcurrent and its contol method
07/30/2003CN1432884A Prechargeable voltage stabilizing circuit and relevant method
07/30/2003CN1116732C Dynamic regulator for DC-to-DC power converter and related methods
07/30/2003CN1116725C Automatic D/A current regulating constant voltage method
07/29/2003US6601177 Semiconductor integrated circuit
07/29/2003US6600692 Semiconductor device with a voltage regulator
07/29/2003US6600641 Overcurrent protection for the series fuse
07/29/2003US6600301 Current shutdown circuit for active bias circuit having process variation compensation
07/29/2003US6600299 Miller compensated NMOS low drop-out voltage regulator using variable gain stage
07/29/2003US6600297 Power supply unit for regulating output voltage using a series regulator
07/24/2003WO2003061317A2 Voltage regulator for electronic device
07/24/2003WO2003060619A1 Electronic ballast with ignition and operation control
07/24/2003US20030137883 Half power supply voltage generator and semiconductor memory device using the same
07/24/2003US20030137854 Stabilized direct-current power supply device
07/24/2003US20030137258 Light emitting diode based products
07/23/2003EP1329786A1 Method for powering consuming appliances with low supply voltage
07/23/2003EP0896269B1 Method and device for automatically switching three-phase voltage for power saving transformer
07/23/2003EP0882321B1 A device for control of controller equipment for the purpose of damping of oscillations in a power line
07/23/2003CN1115614C Voltage compensation circuit and display appts.
07/22/2003US6597221 Power converter circuit and method for controlling
07/22/2003US6597157 Parallel phased switch control
07/17/2003WO2003058797A1 Power factor controller
07/17/2003US20030132787 Circuit of substantially constant transconductance
07/17/2003CA2471231A1 Power factor controller
07/16/2003EP1327967A2 Supply current regulator for two-wire sensors
07/16/2003CN1430804A Integrated current source feedback and current limiting element
07/16/2003CN1430742A Low power voltage regulator circuit for use in integrated circuit device
07/16/2003CN1430326A Bipolar supply voltage generator and its semiconductor device
07/16/2003CN1430197A Power module and display device
07/16/2003CN1430121A Output voltage stabilizer of switching power source supplier
07/16/2003CN1114988C Protecting method for inrush current preventing resistor
07/16/2003CN1114845C Chopper-amplifier for voltage of photovoltaic power source, in particular for timepiece
07/15/2003US6594131 Over current protection circuit of semiconductor switching device
07/15/2003US6593841 Planar magnetic element
07/15/2003US6593726 Voltage converter system and method having a stable output voltage
07/15/2003US6593521 Power converter integrated solar cell module
07/10/2003WO2003056884A1 Electronic ballast with rail voltage switching
07/10/2003WO2003056537A1 Electronic ballast with low voltage output
07/10/2003US20030128489 Overcurrent limitation circuit
07/10/2003US20030128016 System for providing a regulated voltage
07/10/2003US20030128015 Switching regulator with multiple power transistor driving voltages
07/09/2003EP1325547A2 System and method for highly phased power regulation using adaptive compensation control
07/09/2003EP1325546A2 System and method for highly phased power regulation
07/09/2003EP1325394A1 Wide ratio autotransformer-type current ranging
07/09/2003CN1428923A 半导体集成电路器件 The semiconductor integrated circuit device
07/09/2003CN1428677A Method for power supply to low voltage electric equipment
07/09/2003CN1428676A Control method and device of electronic power supply voltage-stabilizer
07/09/2003CN1428675A Voltage reference source provided circuit
07/09/2003CN1114254C At least one-phase system for measuring electrical load
07/09/2003CN1113765C Power sources of motor vehicle
07/08/2003US6590793 Electric power supplying apparatus using unstable electric power supply and control method therefor
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