| 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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| 08/24/1993 | US5239453 DC to DC converter employing a free-running single stage blocking oscillator |
| 08/24/1993 | US5239256 Reference voltage generating circuit for a semiconductor device formed in a semiconductor substrate which generates a reference voltage with a positive temperature coefficient |
| 08/24/1993 | US5239255 Phase-controlled power modulation system |
| 08/21/1993 | WO1993017377A1 Reference voltage generator for dynamic random access memory |
| 08/18/1993 | EP0555539A2 Stable voltage reference circuit with high Vt devices |
| 08/17/1993 | US5237262 Temperature compensated circuit for controlling load current |
| 08/17/1993 | US5237261 Voltage step up regulator |
| 08/17/1993 | US5237244 Electric lighting and power controllers therefor |
| 08/17/1993 | US5237208 Apparatus for parallel operation of triport uninterruptable power source devices |
| 08/17/1993 | US5237147 Electronic device for controlling and monitoring the electrical power supply to resistance welding equipment in particular as used in the manufacture of cans |
| 08/17/1993 | US5235980 Implanted apparatus disabling switching regulator operation to allow radio frequency signal reception |
| 08/12/1993 | DE4203829A1 DC voltage supply for portable equipment, e.g. personal computer - has switched coupling stage that provides fast changeover between internal battery and mains unit |
| 08/12/1993 | DE4203394A1 Battery charger with primary controlled for constant currents - has number of switched primary windings with binary weightings selected dependent upon secondary circuit current |
| 08/11/1993 | EP0554882A1 Linear load circuit to control switching power supplies under minimum load conditions |
| 08/10/1993 | CA1321236C Power control circuit with phase controlled signal input |
| 08/10/1993 | CA1321162C Method and apparatus for improving electrochemical processes |
| 08/05/1993 | DE4202575A1 Integrated circuit for supplying power to transistor, LED, logic gates etc. - has two terminal pins and constant current source controlled by switches, e.g. timer, oscillator and current source |
| 08/04/1993 | CN2139715Y Frequency-modulation voltage-stabilizing energy-saving power supply controller |
| 08/03/1993 | US5233288 IC built-in connector for power source stabilization having voltage control resistors in heating proximity to the IC |
| 07/28/1993 | EP0552964A2 Reference circuit |
| 07/23/1993 | CA2087630A1 Use of reaction mixtures as encapsulating compounds |
| 07/22/1993 | WO1993014558A1 Power supply |
| 07/22/1993 | WO1993014557A1 Controlled power supply |
| 07/22/1993 | WO1993012577A3 Dc-to-dc converter |
| 07/22/1993 | DE4200329A1 Regelbare speisestromquelle Adjustable food source of |
| 07/21/1993 | CN2138808Y Automatically control ac stabilizer |
| 07/21/1993 | CN1021682C Reactive power compensating system for both high and low voltages |
| 07/20/1993 | US5229907 Device for protection against overvoltages of integrated electronic circuits, particularly for applications in the motor car field |
| 07/20/1993 | US5229712 Circuit and method for producing a flexible reference voltage |
| 07/20/1993 | US5229709 Integrated circuit with temperature compensation |
| 07/20/1993 | US5229708 Integrable shunt regulator |
| 07/20/1993 | US5229577 Image forming apparatus utilizing an ac voltage control circuit |
| 07/14/1993 | EP0550823A1 Procedure for the limitation of the current across a servo component and equipment |
| 07/14/1993 | EP0276296B1 Current-limiting circuit |
| 07/13/1993 | US5227714 Voltage regulator |
| 07/13/1993 | US5227713 Vernier control system for subsynchronous resonance mitigation |
| 07/13/1993 | US5227666 Power sharing switching circuit |
| 07/07/1993 | EP0550167A2 High-band width point-of-load power supply |
| 07/07/1993 | CN2137799Y Switch-type rectifier |
| 07/07/1993 | CN2137798Y Tracing type automatic voltage-regulating apparatus for ac power source |
| 07/07/1993 | CN1021531C Measuring circuit of system separation for disperse disposition type of power source |
| 07/06/1993 | US5225992 Computerized overcurrent detector |
| 07/06/1993 | US5225751 Power supply circuit for a motor |
| 07/06/1993 | US5225716 Semiconductor integrated circuit having means for suppressing a variation in a threshold level due to temperature variation |
| 07/06/1993 | US5225660 Consumable-electrode ac gas shield arc welding method and apparatus therefor |
| 07/01/1993 | DE4243907A1 Back bias voltage generating circuit for CMOS semiconductor device - has oscillator circuit delivering control signals for pair of pumping stages in parallel |
| 07/01/1993 | CA2058604A1 Feedback control system for static volt ampere reactive compensator with thyristor controlled reactances |
| 06/30/1993 | EP0549479A1 Digitally assisted power levelling circuit for RF power generator |
| 06/30/1993 | EP0548524A2 Comparator start-up arrangement |
| 06/29/1993 | US5224027 Power supply apparatus for magnetron driving |
| 06/29/1993 | US5224026 Alternatable constant current circuit |
| 06/29/1993 | US5223743 Adaptive current generating transconductance circuit |
| 06/24/1993 | WO1993012577A2 Dc-to-dc converter |
| 06/24/1993 | DE4141586A1 Vehicle electronic control unit after-running controller - has resistor-capacitor T=network between ignition switch and control unit with capacitor discharging after ignition switch=off maintaining voltage to ECU for short time |
| 06/23/1993 | EP0547418A2 Power system for parallel operation of AC/DC converters |
| 06/23/1993 | EP0138823B2 A current source circuit having reduced error |
| 06/22/1993 | USRE34290 Constant voltage generating circuit |
| 06/22/1993 | US5221890 Reference generator |
| 06/22/1993 | US5221888 Current limited temperature responsive circuit |
| 06/22/1993 | US5221864 Stable voltage reference circuit with high Vt devices |
| 06/22/1993 | US5221349 Vaccum arc vapor deposition device |
| 06/22/1993 | CA1319412C Apparatus for parallel operation of triport uninterruptable power source devices |
| 06/16/1993 | EP0546652A1 Electric power unit |
| 06/16/1993 | CN2136491Y Voltage controlled micro differential voltage linear regulated power supply |
| 06/16/1993 | CN2136490Y Full-automatic multifunction domestic voltage regulated protector |
| 06/15/1993 | US5220495 Arrangement and method for accurately sensing voltage of a high-impedance source and supplying power to a variable burden |
| 06/15/1993 | US5220271 Cross regulator for a multiple output power supply |
| 06/15/1993 | US5220208 Circuitry and method for controlling current in an electronic circuit |
| 06/15/1993 | US5220207 Load current monitor for MOS driver |
| 06/10/1993 | WO1993011541A1 Programmable non-volatile analog voltage source devices and methods |
| 06/09/1993 | EP0545266A2 Semiconductor integrated circuit |
| 06/09/1993 | DE4140043A1 Inductive load driving system esp. for IC engine control - measures current shortly after switch=on and immediately after switch=off and calculates effective value, e.g. by averaging |
| 06/09/1993 | CN2135873Y Automatic electronic rectifier for projecting film |
| 06/09/1993 | CN2135871Y Large-power dc/dc converting power device |
| 06/09/1993 | CN2135799Y Light remote controller |
| 06/09/1993 | CN1073062A Mixed signal processing system and method for powering same |
| 06/09/1993 | CN1073019A Linear voltage stabilizer |
| 06/08/1993 | CA1318945C Switchable dc power supply with increased efficiency for use in large wattage amplifiers |
| 06/02/1993 | EP0544362A2 Electronic circuit with programmable gradual power consumption control |
| 06/02/1993 | EP0544360A2 Reference current loop |
| 06/02/1993 | EP0543826A1 Process and device for driving an electromagnetic consumer. |
| 06/02/1993 | EP0396674B1 Arc lamp stabilization |
| 06/02/1993 | CN2135168Y Explosion-proof mine automatic manostat |
| 06/01/1993 | US5216586 Power supply start-up circuit |
| 06/01/1993 | US5216585 Switching power source device |
| 06/01/1993 | US5216353 DC power device |
| 06/01/1993 | US5216352 Solid state current controlled interruption system |
| 06/01/1993 | US5216351 Cascaded switching and series regulators |
| 06/01/1993 | US5216291 Buffer circuit having high stability and low quiescent current consumption |
| 05/26/1993 | CN1072556A Timed power saving device |
| 05/25/1993 | CA1318350C Shunt regulator |
| 05/19/1993 | EP0542225A2 Voltage control circuit |
| 05/19/1993 | CN2133876Y Compensator for ac load voltage and power |
| 05/19/1993 | CN2133875Y Integrated voltage stabilizing module for precise power line cleaner (ac power conditioner) |
| 05/19/1993 | CN1072278A Plus-minus symmetrical output universal regulated power supply |
| 05/19/1993 | CN1072277A Fast reliable a. c. regulated power supply with wide voltage range |
| 05/18/1993 | US5212616 Voltage regulation and latch-up protection circuits |
| 05/18/1993 | US5212478 Dynamic power recovery system |
| 05/18/1993 | CA1318001C Power control and line voltage monitor/compensator for resistance spot welding machines |
| 05/12/1993 | EP0540947A2 Mixed signal processing system and method for powering same |