| 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) |
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| 10/31/2001 | EP1149334A1 An apparatus for voltage regulation and recovery of signal termination energy |
| 10/31/2001 | DE10018943A1 Photovoltaic energy converter for independent photovoltaic installation has universal DC bus coupling installation components with evaluation of bus voltage for energy management |
| 10/31/2001 | CN2457783Y Combined stable voltage power source |
| 10/31/2001 | CN2457639Y High efficiency broad tuning DC voltage-stabilized source |
| 10/31/2001 | CN1319944A Microprocessor for controlling motor soft starting according to changeable timing driving formula table |
| 10/30/2001 | US6311137 Information display apparatus, information relay apparatus used in power generation system, information display method and information relay method, and information transmission method |
| 10/30/2001 | US6310469 System and method to detect synchronous switching regulator light load |
| 10/30/2001 | US6310467 LDO regulator with thermal shutdown system and method |
| 10/30/2001 | US6310445 Led indicator disable circuit and led indicator incorporating the led indicator disable circuit |
| 10/25/2001 | WO2001079953A1 Voltage adapter assembly |
| 10/25/2001 | US20010033155 Voltage supply circuit and display device |
| 10/25/2001 | US20010033154 Dual internal voltage generating apparatus |
| 10/25/2001 | US20010033153 Microelectronic current regulator |
| 10/25/2001 | US20010033152 Apparatus for providing regulated power to an integrated circuit |
| 10/25/2001 | DE10011863C1 Electronic relay has input stage with rectifier and constant current stage allowing operation with AC or DC input signal |
| 10/24/2001 | EP1148612A2 Shunt voltage regulator with self-contained thermal crowbar safety protection |
| 10/24/2001 | EP1148609A2 Fault tolerant active current sharing |
| 10/24/2001 | EP1148507A2 Supply voltage detection circuit |
| 10/24/2001 | EP1148405A1 Linear regulator with low over-voltage in transient-state |
| 10/24/2001 | EP1148404A1 Voltage regulator with low power consumption |
| 10/24/2001 | EP1147943A2 Solar energy system for vehicle |
| 10/24/2001 | EP1147463A1 High efficiency power supply for a two-wire loop powered device |
| 10/24/2001 | EP1016201B1 Adjustable voltage converter utilizing a charge pump |
| 10/24/2001 | CN1073756C Power source control unit |
| 10/23/2001 | US6307762 Power supplying circuit and method |
| 10/23/2001 | US6307355 Method and apparatus for reducing the power consumption of a voltage regulator |
| 10/23/2001 | US6307354 Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch |
| 10/18/2001 | WO2001078222A1 On chip current source |
| 10/18/2001 | WO2001077769A1 Power control apparatus and the method |
| 10/18/2001 | US20010030558 Supply voltage detection circuit |
| 10/18/2001 | US20010030557 Electrical load driving device |
| 10/18/2001 | US20010030531 Regulating device |
| 10/18/2001 | US20010030530 Low electrical consumption voltage regulator |
| 10/18/2001 | DE10118144A1 Ansteuervorrichtung für eine elektrische Last Control device for an electrical load |
| 10/18/2001 | DE10017577A1 Device for exchanging electrical power between primary and secondary three-phase systems controls switching state of matrix converter between primary and secondary three-phase systems |
| 10/17/2001 | EP1146620A2 Driving method of semiconductor switching device and power supply apparatus operated according to said method |
| 10/17/2001 | EP1145413A2 Arrangement for eliminating radio interferences in an electronic power regulator |
| 10/17/2001 | EP0932858B1 Hybrid regulator |
| 10/17/2001 | EP0770318B1 Low voltage power control |
| 10/17/2001 | CN2454797Y Light Dc. voltage regulated and current-stabilized power supply |
| 10/17/2001 | CN2454796Y Double-plane servo stabilizator |
| 10/17/2001 | CN1317868A Fault-tolerance dynamic current sharing method and device |
| 10/17/2001 | CN1317733A Power factor improver |
| 10/16/2001 | US6304823 Microprocessor power supply system including a programmable power supply and a programmable brownout detector |
| 10/16/2001 | US6304470 Power supply device |
| 10/16/2001 | US6304468 Phase synchronization system for connecting a power converter to a power distribution system |
| 10/16/2001 | US6304256 Display unit |
| 10/16/2001 | US6304131 High power supply ripple rejection internally compensated low drop-out voltage regulator using PMOS pass device |
| 10/16/2001 | US6304070 Voltage/current converter circuit and high-gain amplifying circuit |
| 10/16/2001 | US6304069 Low power consumption multiple power supply semiconductor device and signal level converting method thereof |
| 10/11/2001 | WO2001076037A1 Integrated current source feedback and current limiting element |
| 10/11/2001 | US20010028270 Sleep mode VDD detune for power reduction |
| 10/11/2001 | US20010028242 Load supply voltage regulator assembly |
| 10/11/2001 | US20010028240 Regulator |
| 10/11/2001 | DE10016168A1 Power supply control arrangement for electronic equipment, e.g. notebook computer, changes amplification factor of differential amplifier from low to high value, when there is variation in supply voltage caused by change in load |
| 10/10/2001 | EP1143594A2 Power converting apparatus, control method therefor, and solar power generation apparatus |
| 10/10/2001 | EP1142090A1 Voltage switch-over device |
| 10/10/2001 | CN2453594Y High voltage intelligent type voltage reactive regulator |
| 10/10/2001 | CN2453475Y High voltage, large current, dual path and adjustable regulated power supply for switching machine |
| 10/10/2001 | CN1072854C Zero transition procedue triggering two-control-three capacitor switching method and apparatus |
| 10/10/2001 | CA2340499A1 Fault tolerant active current sharing |
| 10/09/2001 | US6300822 On chip CMOS VLSI reference voltage with feedback for hysteresis noise margin |
| 10/09/2001 | US6300821 Output buffer circuit having changeable output impedance |
| 10/09/2001 | US6300750 Shunt voltage regulator with self-contained thermal crowbar safety protection |
| 10/09/2001 | US6300749 Linear voltage regulator with zero mobile compensation |
| 10/09/2001 | US6300748 Transformerless power supply circuit with a switchable capacitive element |
| 10/09/2001 | CA2100121C Pilot light interface for small industrial controls |
| 10/04/2001 | WO2001073925A1 Magnetic circuit using switching |
| 10/04/2001 | US20010026186 Semiconductor integrated circuit device and contactless electronic device |
| 10/04/2001 | US20010026149 Voltage regulator circuit and method of driving voltage regulator circuit |
| 10/04/2001 | US20010026148 Reference power supply apparatus |
| 10/04/2001 | EP1139554A2 Microcontroller operated electric motor soft start using a table drive equation with variable timing |
| 10/04/2001 | EP1139280A2 Semiconductor integrated circuit device and contactless electronic device |
| 10/04/2001 | EP0886815A4 Method and apparatus for electronic power control |
| 10/03/2001 | CN1315768A Adjustable dc voltage controller for non-transformer reactive series compensator |
| 10/02/2001 | US6297624 Semiconductor device having an internal voltage generating circuit |
| 10/02/2001 | US6297596 Power supply circuit arranged to generate intermediate voltage and liquid crystal display device including power supply circuit |
| 09/27/2001 | WO2001071444A1 Transformer tap switching power supply for led traffic signal |
| 09/27/2001 | US20010024140 Negative feedback amplifier circuit |
| 09/27/2001 | US20010024111 Power controlling unit and thermal processing unit |
| 09/27/2001 | US20010024108 Anti-reverse connection circuit for power supply |
| 09/27/2001 | DE10014431A1 Maintaining upper limit of mean total power of separate groups of loads involves varying local upper mean total power limit to minimize sum of resulting positive correction powers |
| 09/26/2001 | EP1137145A2 Anti-reverse connection circuit for power supply |
| 09/26/2001 | CN2450823Y Automatic equalizer for AC power supplier |
| 09/26/2001 | CN1071980C Active filter circuit and portable telephone apparatus |
| 09/25/2001 | US6294941 Semiconductor integrated circuit including voltage follower circuit |
| 09/25/2001 | US6294904 Multiple frequency switching power supply and methods to operate a switching power supply |
| 09/25/2001 | US6294901 Power dimmer |
| 09/20/2001 | WO2001069768A1 Improved efficiency of a multiphase switching power supply during low power mode |
| 09/20/2001 | US20010022527 Semiconductor device |
| 09/19/2001 | EP0998777B1 Method for injecting reactive power into an alternating current network |
| 09/19/2001 | EP0958650B1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 09/19/2001 | EP0614568B1 Programmable non-volatile analog voltage source devices and methods |
| 09/13/2001 | WO2001067589A1 Alternator system |
| 09/13/2001 | WO2001067577A1 Apparatus for quality control verification of an electrochemistry test |
| 09/13/2001 | WO2001067198A1 Constant source of current |
| 09/13/2001 | US20010020843 Voltage regulator |
| 09/13/2001 | US20010020842 Voltage regulator |
| 09/13/2001 | US20010020841 Drive circuit for insulated gate type fets |
| 09/13/2001 | US20010020803 D.C. power supply circuit and electronic apparatus using such circuits |