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)
11/2000
11/22/2000CN1058820C Voltage-to-current converter using current mirror circuits
11/21/2000US6151230 Charge pump regulation circuit with overvoltage protection
11/21/2000US6150874 Circuit layout and process for generating a supply DC voltage
11/21/2000US6150873 Internal voltage converter for low operating voltage semiconductor memory
11/21/2000US6150860 Internal voltage generator
11/21/2000US6150835 Method and apparatus for fast production programming and low-voltage in-system writes for programmable logic device
11/21/2000US6150804 Voltage regulator
11/21/2000US6150801 Regulator apparatus
11/21/2000US6150800 Power circuit including inrush current limiter, and integrated circuit including the power circuit
11/21/2000US6150799 Power-supply circuit supplied by at least two different input voltage sources
11/21/2000US6150798 Voltage regulator
11/16/2000WO2000069043A1 Control circuit for eliminating a voltage and current spike
11/16/2000DE19959646A1 Linearisation technique for rapid voltage-current converters
11/15/2000EP1052776A2 Solid state electrical switch
11/15/2000CN2406413Y Cell-type dc. voltage-stabilized power supply
11/15/2000CN2406275Y Hybric stabilized-current power supply of higher stabilized silicon controlled rectifier and regulation tube
11/15/2000CN1273648A Apparatus and method for reducing energy fluctuations in portable data device
11/15/2000CN1273459A Output through rate-of-change control circuit
11/14/2000US6147549 Reference voltage generating circuit of generating a plurality of reference voltages
11/14/2000US6147519 Low-voltage comparator with wide input voltage swing
11/14/2000US6147479 Voltage down converter
11/14/2000US6147477 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon
11/14/2000US6147476 Two quadrant magamp regulator control circuit with fast dynamic response and full holdoff capability
11/14/2000CA2241585C Power supply with re-configurable outputs for different output voltages and method of operation thereof
11/08/2000EP1050104A1 A current generator for delivering a reference current of which the value is proportional to the absolute temperature
11/08/2000CN2405255Y Improved automatic voltage regulator
11/08/2000CN2405254Y Electronic device for regulating and controlling ac power voltage
11/07/2000US6144251 Semiconductor integrated circuit device having component circuits free from through-current in transition period between active mode and sleep mode
11/07/2000US6144195 Compact voltage regulator with high supply noise rejection
11/07/2000CA2088058C Miniaturized switching power supply having unidirectional spike filter
11/02/2000WO2000065718A1 A two-end solid-state electric switch
11/02/2000DE19961135A1 Voltage detection circuit for use in semiconductor memory component, includes compensation current generation section for preventing potential of signalling line VPP from rising steeply
11/01/2000CN2404268Y Visual voltage regulator for vehicle
11/01/2000CN2404145Y Electric current setting meter
11/01/2000CN1272001A Solid-state electric switch
10/2000
10/31/2000USRE36932 Semiconductor memory device operating stably under low power supply voltage with low power consumption
10/31/2000US6141201 Method of regulating the armature impact speed in an electromagnetic actuator by estimating the required energy by extrapolation
10/31/2000US6140862 Semiconductor circuit device having internal power supply circuit
10/31/2000US6140807 Electronic device and associated method for charging an energy storage circuit with a DC-DC converter
10/31/2000US6140805 Source follower NMOS voltage regulator with PMOS switching element
10/31/2000US6140804 Converter for a DC power supply having a input resistance in series with a DC regulatory circuit
10/31/2000US6140714 Power control apparatus for a battery-powered communication system
10/26/2000WO2000064037A1 Circuit for correcting the power factor
10/26/2000WO2000063930A1 Input circuit for relatively high current ac signals to be monitored
10/26/2000DE19945864A1 ARCP Dreipunkt- oder Mehrpunktstromrichter ARCP three-point or multi-point converter
10/26/2000DE19918041A1 Switch-mode power supply e.g. for monitor or television set
10/25/2000EP1047180A2 ARCP three-point power converter or multi-point power converter
10/25/2000EP1047179A1 Method of operating a power supply system having parallel-connected inverters, and power converting system
10/25/2000EP1046975A1 Device and a method of supplying power to plurality of semiconductor integrated circuit devices
10/25/2000EP1046228A1 Level shifter
10/25/2000CN2403048Y Medium- and low-power DC voltage- and current-stabilized power source made by ring transformer
10/25/2000CN2403047Y Voltage alternating circuit arrangement for transformer
10/25/2000CN1271458A Power distribution network incorporating a voltage support transformer and process of use
10/25/2000CN1271207A Operation method for power supply system with parallel connected invertor and power change-over system
10/25/2000CN1271206A ARCP three point or multip point invertion converter
10/25/2000CN1271205A Switch power source and method for controlling a switch in a switch power source
10/24/2000US6137699 Power supply protection and control circuit
10/24/2000US6137348 Semiconductor device for generating two or more different internal voltages
10/24/2000US6137347 Mid supply reference generator
10/24/2000US6137346 Temperature tracking voltage to current converter
10/24/2000US6137322 Dynamic output control circuit
10/24/2000US6137277 Static voltage regulator
10/24/2000US6137276 Onhook telecom power supply regulator mode
10/24/2000US6137275 System for providing a regulated voltage during abrupt variations in current
10/24/2000US6137273 Circuit for supplying a high precision current to an external element
10/22/2000CA2304413A1 Solid state electrical switch
10/19/2000WO2000062398A1 A voltage/current regulator and method for battery charging
10/19/2000DE19917204A1 Circuit generating stabilized supply voltage for electronic consumer appliances in cars from fluctuating car network voltage
10/19/2000DE19916686A1 Input circuit for monitoring signals e.g. for approximation initiators has discharge circuit connected between AC input terminals connected to power supply line
10/18/2000EP1045251A2 Voltage detecting circuit
10/18/2000CN1057658C Direct-arc electric furnace fed with controlled current method to feed direct-arc furnace with controlled current
10/18/2000CN1057622C Feedback arrangement
10/17/2000US6134128 Method for protecting a high-performance power converter and a protection arrangement for executing the method
10/17/2000US6133779 Integrated circuit with a voltage regulator
10/17/2000US6133719 Robust start-up circuit for CMOS bandgap reference
10/17/2000US6133717 Methods and apparatus for synchronizing a plurality of power supplies
10/12/2000WO2000060430A1 Non-rotating portable voltage sag generator
10/12/2000DE10001733A1 Power supply control device has processing device with information provided through an AC adapter supplied via external power through battery
10/11/2000EP1043832A1 Differential output stage for electronic equipment for feeding a terminal remotely
10/11/2000EP1043597A2 Device and method for adjusting the working point of a squid
10/11/2000CN2400814Y Low-temp. coefficient voltage regulator
10/11/2000CN1269893A Circuit arrangement and method for protecting control element against overcurrent
10/11/2000CN1269535A Low-loss MOS transistor circuit for single-ended reverse exciting switching voltage regulator
10/11/2000CN1269534A Low-loss MOS transistor circuit for single-ended reverse exciting switcing voltage regulator
10/10/2000US6131073 Electronic circuit with an operating characteristic correcting function
10/10/2000US6130599 Electrical current sensing apparatus
10/10/2000US6130573 Voltage boosting circuit having asymmetric MOS in DRAM
10/10/2000US6130526 Voltage regulator with wide control bandwidth
10/10/2000US6130525 Hybrid regulator
10/10/2000US6130524 Method and apparatus for generating and injecting reactive power into an electrical AC power grid system using an inverter
10/09/2000CA2303677A1 Device and method for easily adjusting working point of squid
10/08/2000CA2300631A1 Differential output stage for electronic equipment, permitting remote powering of a terminal
10/05/2000WO2000059105A1 Fixed off time and zero voltage switching dual mode power factor correcting converter
10/05/2000WO2000059100A1 Universal power module
10/05/2000DE19914505A1 Circuit for correcting power factor for gas discharge lamp balast power supply has at least one further diode between storage capacitor and rectifier that discharging of storage capacitor by rectifier is prevented
10/04/2000EP1040400A1 Circuit for reducing input voltage
10/04/2000CN2399759Y Non-contact a. c. voltage stabilizer
10/03/2000US6128203 Switched converter with multiple regulated outputs
10/03/2000US6127816 Multiple frequency switching power supply and methods to operate a switching power supply
10/03/2000US6127815 Circuit and method for reducing quiescent current in a switching regulator
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