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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06/10/1997 | US5638265 Low line harmonic AC to DC power supply |
06/10/1997 | US5638264 Parallelized power supply system providing uninterrupted operation |
06/10/1997 | US5638023 Charge pump circuit |
06/10/1997 | US5637992 Voltage regulator with load pole stabilization |
06/10/1997 | US5637991 Power supply including a detection and switch system for uni-plane and split-plane devices |
06/10/1997 | US5637989 Energy savings apparatus |
06/05/1997 | WO1997020375A2 Apparatus and method for interline power flow control |
06/05/1997 | WO1997020262A1 Dual source for constant and ptat current |
06/04/1997 | EP0776540A1 Hybrid filter for reducing distortion in a power system |
06/04/1997 | EP0708939B1 Optimization circuit |
06/04/1997 | CN2255626Y High-precision full-isolation ultra-mini voltage-stabilizing mould of AC convertable to DC |
06/03/1997 | US5635826 Input waveform follow-up AC power source system |
06/03/1997 | US5635824 Power supplying circuit |
06/03/1997 | US5635822 Safeguard for integrated power stages employing multiple bond-wires to a current lead of the package |
06/03/1997 | CA2127834C Control system for power converter |
05/28/1997 | CN2255060Y High voltage dc voltage-regulated power supply |
05/28/1997 | CN2255059Y AC voltage stabilizing and regulating device |
05/27/1997 | US5633789 Failure-free power source device |
05/27/1997 | US5633580 Direct load current sensing for predicted regulator tap position |
05/22/1997 | DE19543226A1 Inverter current source |
05/21/1997 | EP0746808A4 Switchmode ac power controller |
05/21/1997 | CN2254564Y Ultra-wide serial voltage-stabilized source apparatus |
05/21/1997 | CN1150506A Switch with controlled rise and fall characteristics |
05/21/1997 | CN1150486A High precision voltage regulation circuit for programming multievel flash memory |
05/21/1997 | CN1150351A Off-line phase control low-power dissipation power supply |
05/20/1997 | US5631598 Frequency compensation for a low drop-out regulator |
05/20/1997 | US5631549 Linear regulator power supply with an overcurrent protection device |
05/20/1997 | US5631548 Power off-loading circuit and method for dissipating power |
05/20/1997 | US5631546 Power supply for generating at least two regulated interdependent supply voltages |
05/20/1997 | US5631504 AC/DC power supply |
05/15/1997 | WO1997017795A1 Energy monitoring and control system using reverse transmission on ac line |
05/14/1997 | CN1149784A Power supply control and its method |
05/13/1997 | US5629891 Writable analog reference voltage storage device |
05/13/1997 | US5629642 Power supply monitor |
05/13/1997 | US5629614 Voltage-to-current converter |
05/13/1997 | US5629610 Dual threshold current mode digital PWM controller |
05/13/1997 | US5629609 Method and apparatus for improving the drop-out voltage in a low drop out voltage regulator |
05/13/1997 | US5629608 Power regulation system for controlling voltage excursions |
05/07/1997 | EP0772298A1 Delay circuit and method for generating a delay |
05/07/1997 | EP0772182A2 Display-driving voltage generating apparatus |
05/07/1997 | EP0771518A1 Electrical power control system |
05/07/1997 | CN2253887Y Outdoor on pole type power factor automatic compensation capacitor cabinet |
05/07/1997 | CN2253840Y Shunt type ac compensation voltage stabilizer |
05/06/1997 | USH1644 Method and apparatus for providing continuous cathodic protection by solar power |
05/06/1997 | US5627494 High side current sense amplifier |
05/06/1997 | US5627493 Semiconductor device having supply voltage deboosting circuit |
05/06/1997 | US5627460 DC/DC converter having a bootstrapped high side driver |
05/06/1997 | US5627459 DC/DC converter |
05/06/1997 | US5627457 Power supply device, liquid crystal display device, and method of supplying power |
05/06/1997 | US5627454 Method for stabilizing a power supply network against reactive load fluctuations, and a power factor compensation device |
05/02/1997 | EP0770318A1 Low voltage power control |
04/30/1997 | CN1148912A Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such device |
04/29/1997 | US5625278 Ultra-low drop-out monolithic voltage regulator |
04/24/1997 | WO1997008823A3 Circuit arrangement provided with a voltage - current converter |
04/24/1997 | DE19517373C2 Spannungserzeugungs-Schaltung zum Testen integrierter Schaltungen Voltage generating circuit for testing integrated circuits |
04/22/1997 | US5623198 Apparatus and method for providing a programmable DC voltage |
04/17/1997 | DE19641857A1 Safety fuse circuit for semiconductor integrated circuit in VHS video recorder |
04/17/1997 | DE19537920A1 Integrated circuit with diode characteristics e.g. for contactless identification system |
04/16/1997 | EP0768593A2 Reference current generating circuit |
04/16/1997 | EP0625273A4 Load programmable output buffer. |
04/16/1997 | CN1147726A Regulating method for stepping switch |
04/15/1997 | US5621634 Power converter |
04/15/1997 | US5621631 AC to DC boost switching power converters |
04/15/1997 | US5621601 Over-current protection apparatus for transistor |
04/15/1997 | US5621439 Voltage compensation circuit and display apparatus |
04/15/1997 | US5621306 Temperature compensation voltage-generating circuit |
04/15/1997 | US5621305 Overload management system |
04/10/1997 | WO1997013308A1 Circuit for rationalizing polarity of power source |
04/10/1997 | WO1997013187A1 Analogue function network for selecting a characteristic curve |
04/10/1997 | DE19635289A1 Current supply control circuit for mobile radio/communications system |
04/09/1997 | CN2251836Y Electronic voltage stabilizer for premanent-magnet generator |
04/09/1997 | CN2251739Y Digital controlled compensating ac voltage stabilizer |
04/09/1997 | CN1147165A Low current voltage regulator circuit |
04/08/1997 | US5619164 Pseudo ground line voltage regulator |
04/08/1997 | US5619126 Circuit arrangement for automatically decreasing the load current |
04/08/1997 | US5619123 Power supply circuit for non-threshold logic circuit |
04/08/1997 | US5619121 Load voltage based tap changer monitoring system |
04/08/1997 | US5619120 In an electrical power control and distribution system |
04/03/1997 | DE19536644A1 Analoges Funktionsnetzwerk zur Vorgabe einer Kennlinie The same function network for presetting a characteristic |
04/02/1997 | EP0766374A2 DC power supply device |
04/02/1997 | EP0766164A2 Voltage regulator with load pole stabilization |
04/02/1997 | EP0766162A2 Circuit for improved load transient response in power supplies |
04/02/1997 | EP0375687B2 Thyristor on-load change-over switch |
04/02/1997 | CN2251158Y Combined compensated type ac voltage stabilizer |
04/02/1997 | CN1146658A Controller for inverter and generating system using same |
04/01/1997 | US5617447 Method of stabilizing a power supply network against reactive load fluctuations, and a reactive power compensation device |
04/01/1997 | US5617306 One cycle control of bipolar switching power amplifiers |
04/01/1997 | US5617016 Buck converter with operating mode automatically determined by the load level |
04/01/1997 | US5617015 Multiple output regulator with time sequencing |
04/01/1997 | US5617014 Multifunction voltage regulator |
04/01/1997 | US5617012 Power converter protecting apparatus for electric power system |
04/01/1997 | CA2063250C Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency |
03/26/1997 | EP0765022A2 Uninterruptive switching regulator |
03/26/1997 | EP0764297A1 High-efficiency power supply |
03/26/1997 | EP0764296A1 Load tap changer |
03/26/1997 | CN2250536Y Fully automatic three phase ac value-added device |
03/25/1997 | CA2102466C High-frequency power unit for neon tubes |
03/19/1997 | EP0763878A2 Off-line phase control low-power power supply |
03/19/1997 | EP0763790A2 Level shifter capable of stably producing a level shifted voltage |
03/19/1997 | EP0763224A1 Voltage regulator |