| 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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| 12/29/1999 | EP0830650B1 Frequency compensation for a low drop-out regulator |
| 12/29/1999 | CN1240058A Apparatus for and method of evenly distributing electrical load across n-phase power distribution network |
| 12/28/1999 | US6008674 Semiconductor integrated circuit device with adjustable high voltage detection circuit |
| 12/22/1999 | EP0966086A2 Integrated protection circuit, method of providing current-limiting and short-circuit protection and converter employing the same |
| 12/22/1999 | EP0966084A1 Method for controlling the triggering of a safety device in a high voltage generator and high voltage generator using such method |
| 12/22/1999 | EP0900418A4 Method and apparatus for sensing current in power supplies |
| 12/22/1999 | CN2355354Y 恒压器 Barostat |
| 12/22/1999 | CN2355353Y Negative clear voltage stable power supply |
| 12/22/1999 | CN1239561A High impedance bias circuit for ac signal amplifiers |
| 12/22/1999 | CN1239355A 半导体集成电路装置 The semiconductor integrated circuit device |
| 12/22/1999 | CN1239346A Arrangement having switched-mode power supply and microprocessor |
| 12/22/1999 | CN1239236A Power saving circuit of power factor adjusting type |
| 12/21/1999 | US6005436 Internal reduced-voltage generator for semiconductor integrated circuit |
| 12/21/1999 | US6005376 DC power supply |
| 12/21/1999 | US6005303 Linear voltage regulator compatible with bipolar and MOSFET pass devices and associated methods |
| 12/18/1999 | CA2275222A1 Procedure for controlling safe triggering means in a high voltage generator and high voltage generator using such a procedure |
| 12/16/1999 | DE19826152A1 Anordnung mit einem Schaltnetzteil und einem Mikroprozessor Arrangement with a switching power supply and a microprocessor |
| 12/15/1999 | EP0964503A2 Arrangement having a switched-mode power supply and a microprocessor |
| 12/15/1999 | EP0886814A4 System and method for controlling an alternating current (ac) signal |
| 12/15/1999 | EP0873546A4 Temperature stabilized constant fraction voltage controlled current source |
| 12/15/1999 | EP0801851A4 Damped emi input filter for power factor correction circuits |
| 12/15/1999 | CN2354286Y Reactive comprehensive automatic control device for voltage of serial communication transformer sation |
| 12/15/1999 | CN2354164Y Comprehensive monitoring instrument for 10KV power supply |
| 12/15/1999 | CN1238585A Three-phase loaded regulate voltage box type distributing device |
| 12/15/1999 | CN1238584A Small low-voltage single-phase distribution able to automatically regulate voltage under load |
| 12/14/1999 | US6002604 Smart five volt generator operable from different power supply voltages |
| 12/14/1999 | US6002295 Voltage regulator with automatic selection of a highest supply voltage |
| 12/14/1999 | US6002294 Start circuit for a self-biasing constant current circuit, constant current circuit and operational amplifier using the same |
| 12/09/1999 | WO1999063415A1 Solar-powered refrigerator |
| 12/09/1999 | WO1999063413A1 Voltage ratio regulator system |
| 12/08/1999 | EP0961959A1 Voltage regulator circuit |
| 12/08/1999 | EP0939925A4 Self-compensating resonant switching power converter |
| 12/08/1999 | EP0916181A4 Voltage to current converter for high frequency applications |
| 12/08/1999 | CN2353073Y Full automatic emergency protective arrangement for electric power supply |
| 12/08/1999 | CN2352982Y Kernel anti-jamming circuit for direct digital control device |
| 12/08/1999 | CN1237728A Low-voltage loaded automatic voltage-regulating device |
| 12/07/1999 | US5999430 Inverter control unit |
| 12/07/1999 | US5998983 Device for generating a DC reference voltage |
| 12/07/1999 | US5998981 Weak inversion NMOS regulator with boosted gate |
| 12/07/1999 | US5998979 Regulator |
| 12/07/1999 | US5998978 Apparatus and method for reducing energy fluctuations in a portable data device |
| 12/07/1999 | US5998886 Power supply apparatus having a function of compensating for changes in voltage |
| 12/07/1999 | CA2078303C Voltage regulator |
| 12/02/1999 | WO1999062085A1 Power regulator |
| 12/02/1999 | WO1999062059A1 Adaptive low-noise current generator and method |
| 12/02/1999 | WO1999046611A3 Power supply circuit |
| 12/02/1999 | DE19812920A1 Schaltungsanordnung zur Steuerung und Erfassung des Laststromes durch eine Last Circuit arrangement for controlling and detecting the load current by a load |
| 12/01/1999 | EP0763224B1 Voltage regulator |
| 12/01/1999 | CN2351780Y Apparatus for stabilizing electric current and power source |
| 11/30/1999 | US5995352 Ignition apparatus and method |
| 11/30/1999 | US5994950 Regulator built-in semiconductor integrated circuit |
| 11/30/1999 | US5994886 Internal step-down power supply circuit of semiconductor device |
| 11/30/1999 | US5994884 Booster circuit for foldback current limited power supplies |
| 11/30/1999 | US5994883 Alternating current power control device |
| 11/24/1999 | EP0958650A1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 11/24/1999 | CN1236221A Active filter circuit |
| 11/23/1999 | US5990729 Semiconductor integrated circuit having first and second voltage step down circuits |
| 11/23/1999 | US5990671 Constant power voltage generator with current mirror amplifier optimized by level shifters |
| 11/23/1999 | US5990668 A.C. power supply having combined regulator and pulsing circuits |
| 11/23/1999 | US5990667 Regulator with asymmetrical voltage increase/decrease capability for utility system |
| 11/23/1999 | US5990576 Power supply voltage supplying circuit |
| 11/18/1999 | WO1999059057A1 Method and apparatus for fast production programming and low-voltage in-system writes for programmable logic device |
| 11/18/1999 | DE19821561A1 Solenoid valve drive method and apparatus for motor vehicle fuel measurement in internal combustion engine |
| 11/17/1999 | EP0957421A2 Current-efficient low-drop-out voltage regulator with improved load regulation and frequency response |
| 11/17/1999 | EP0956628A1 APPARATUS FOR AND METHOD OF EVENLY DISTRIBUTING AN ELECTRICAL LOAD ACROSS AN n-PHASE POWER DISTRIBUTION NETWORK |
| 11/17/1999 | CN2349603Y Consatnt current apparatus with large power output |
| 11/16/1999 | US5986910 Voltage-current converter |
| 11/16/1999 | US5986902 Integrated protection circuit, method of providing current-limiting and short-circuit protection and converter employing the same |
| 11/16/1999 | US5986442 Load drive device having short-circuit protection function |
| 11/16/1999 | US5986354 DC source system with solar cell, and its operation method |
| 11/16/1999 | US5986293 Semiconductor integrated circuit device with voltage patterns |
| 11/11/1999 | DE19830356C1 Variable resistor balancing and adjuster circuit for AUC circuit |
| 11/10/1999 | CN1234643A Power-supply apparatus |
| 11/09/1999 | US5982163 Internal power source voltage trimming circuit |
| 11/09/1999 | US5982162 Internal voltage generation circuit that down-converts external power supply voltage and semiconductor device generating internal power supply voltage on the basis of reference voltage |
| 11/09/1999 | US5982161 Voltage regulator having variable frequency-based control |
| 11/09/1999 | US5982160 DC-to-DC converter with inductor current sensing and related methods |
| 11/09/1999 | US5982158 Smart IC power control |
| 11/09/1999 | US5982157 Chopper-amplifier for the voltage of a photovoltaic power source, in particular for a timepiece |
| 11/09/1999 | CA2165101C Power converter protecting apparatus for electric power system |
| 11/04/1999 | WO1999056190A1 Temperature tracking voltage-to-current converter |
| 11/03/1999 | EP0954088A1 Switched converter with multiple regulated outputs |
| 11/03/1999 | EP0784811A4 An improved variable-voltage cpu voltage regulator |
| 11/03/1999 | CN2347299Y Outdoor on-column reactive power automatic compensating gear |
| 11/03/1999 | CN2347198Y A. C. voltage stabilizer for permanent-magnet a. c. generator |
| 11/03/1999 | CN1234143A Control apparatus with reduced quiescenet current |
| 11/02/1999 | US5978241 Wide-linear range tunable transconductor using MOS |
| 11/02/1999 | US5978240 Fully differential voltage-current converter |
| 11/02/1999 | US5977757 Power supply having automatic voltage sensing |
| 11/02/1999 | US5977755 Constant-voltage power supply circuit |
| 11/02/1999 | US5977753 Buck regulator with plural outputs |
| 11/02/1999 | US5977659 Inverter apparatus and solar power generation apparatus |
| 11/02/1999 | CA2189852C Dual voltage voltage regulator with foldback current limiting |
| 10/28/1999 | WO1999054798A1 Power supply with programmable voltage slew rate and method |
| 10/28/1999 | DE19819149A1 Circuit breaker with current supply for electronic overcurrent release |
| 10/27/1999 | EP0952507A1 Current control apparatus |
| 10/27/1999 | CN2346001Y Quick compensating voltage regulator |
| 10/27/1999 | CN1233355A Method and device for compensating reactive current portions by means of a compensation arrangement with a pulse current rectifier |
| 10/27/1999 | CN1233002A Voltage stabilizer with set voltage raising and reducing time as well as high voltage, low voltage and overcurrent protection |
| 10/26/1999 | US5973980 Fast voltage regulation without overshoot |