| 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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| 02/18/1986 | US4571535 VAR Generator having controlled discharge of thyristor switched capacitors |
| 02/18/1986 | US4571502 Full wave rectifier having an operational amplifier |
| 02/18/1986 | US4571499 Circuit arrangement for switchover of load between different sources of alternating voltage |
| 02/18/1986 | CA1200839A1 Load resistance control circuitry |
| 02/12/1986 | EP0171184A1 Apparatus for spraying liquid |
| 02/10/1986 | CN85103464A Method of electromegnetic hammer temperature control and computer aided temperature control device |
| 02/04/1986 | US4569009 Switching regulator having a selectable gain amplifier for providing a selectively alterable output voltage |
| 01/29/1986 | EP0169488A2 Transformer circuit |
| 01/29/1986 | EP0169388A1 Integrated constant-current source |
| 01/28/1986 | US4567426 Current stabilizer with starting circuit |
| 01/28/1986 | US4567425 Method of and apparatus for half-cycle-average or R.M.S. load voltage control |
| 01/22/1986 | EP0168864A1 Control and output load circuit |
| 01/21/1986 | US4565960 Power supply switching circuit |
| 01/21/1986 | US4565958 AC Line voltage regulator with controlled energy dispenser |
| 01/21/1986 | US4565712 Method of making a semiconductor read only memory |
| 01/21/1986 | CA1199688A1 Current source circuit having reduced error |
| 01/15/1986 | EP0168166A1 DC power supply |
| 01/15/1986 | EP0167884A2 DC supply unit with overcurrent protection |
| 01/14/1986 | CA1199374A1 Method and apparatus for regulating microwave oven power |
| 01/08/1986 | EP0167299A2 Monitoring power usage |
| 01/08/1986 | EP0167194A1 Circuit arrangement supplying the control circuit of a regulated DC voltage converter |
| 01/07/1986 | US4563733 Startup circuit for a switched power supply |
| 12/31/1985 | US4562525 DC Power supply circuit for line interface circuits |
| 12/31/1985 | US4562400 Temperature-compensated zener voltage reference |
| 12/31/1985 | US4562338 Heating power supply apparatus for polycrystalline semiconductor rods |
| 12/31/1985 | CA1198840A1 Demand estimation apparatus |
| 12/31/1985 | CA1198769A1 Apparatus and methods for controlling induction motors |
| 12/24/1985 | US4560921 Comparator circuit with built in reference |
| 12/24/1985 | US4560920 Voltage to current converting circuit |
| 12/24/1985 | US4560918 High-efficiency, low-voltage-drop series regulator using as its pass element an enhancement-mode FET with boosted gate voltage |
| 12/24/1985 | US4560917 Static VAR generator having reduced harmonics |
| 12/17/1985 | US4559488 Integrated precision reference source |
| 12/17/1985 | CA1198155A1 Phase-controlled ballast having shifting control |
| 12/10/1985 | US4558306 In a mobile refrigeration unit |
| 12/05/1985 | WO1985005508A1 Circuit for producing, transferring between different voltage circuits and stabilizing an alternating current |
| 12/04/1985 | EP0088082B1 Converter with a plurality of regulated additional outputs |
| 11/27/1985 | EP0162341A1 Electronic switching power supply |
| 11/26/1985 | US4555752 AC Power converter with commutation circuit for reducing reactive power |
| 11/26/1985 | US4555741 Device for eliminating inrush-current |
| 11/26/1985 | US4555660 Current supply device for series-fed electronic circuits |
| 11/26/1985 | US4555659 Static VAR generator system having improved response time |
| 11/26/1985 | US4555655 Charging/discharging circuit |
| 11/21/1985 | EP0161947A2 Integrated circuit having a fuse circuit |
| 11/21/1985 | EP0161620A1 Device delivering a fault indicating signal for an electrical circuit connected to the power network |
| 11/21/1985 | EP0161451A1 Device for producing a signal corresponding to a variable related to the reactive power of an arc furnace for controlling a reactive power compensator |
| 11/21/1985 | EP0161351A1 An auxiliary circuit in a circuitry comprising C-MOS integrated circuit components |
| 11/19/1985 | CA1196956A1 Device for stabilizing the voltage of a single-or multi-phase a-c network |
| 11/19/1985 | CA1196953A1 Full wave rectifier having an operational amplifier |
| 11/13/1985 | EP0160894A2 Control method and control apparatus for controlling a power converter |
| 11/12/1985 | US4553196 Power source system for vehicular electronic device |
| 11/12/1985 | US4553084 Current sensing circuit |
| 11/12/1985 | CA1196686A1 Regulating system employing an rms composite controller |
| 11/12/1985 | CA1196681A1 Phase detector for three-phase power factor controller |
| 11/10/1985 | CN85200357U Silicon controlled voltage-regulator with a remote-control box |
| 11/05/1985 | US4551669 Packaged solar cell apparatus |
| 11/05/1985 | US4551668 Voltage sensing at loads remotely connected to power supplies |
| 10/29/1985 | US4550262 Voltage-current converter having reference resistor spread compensation |
| 10/23/1985 | EP0158712A1 Control device for a high-frequency therapy apparatus |
| 10/22/1985 | US4549147 Load impedance detector for audio power amplifiers |
| 10/22/1985 | US4549129 Regulator circuit |
| 10/16/1985 | EP0157905A2 Semiconductor device |
| 10/15/1985 | US4547842 Electrical shock prevention means for high voltage DC regulators |
| 10/15/1985 | CA1195432A1 Protection circuit for integrated circuit devices |
| 10/15/1985 | CA1195374A1 Phase controlled regulated power supply |
| 10/10/1985 | WO1985004535A1 Arrangement for the control or regulation of the rotation speed and/or the torque of an induction motor |
| 10/09/1985 | EP0157689A1 Adjustable AC voltage generator |
| 10/09/1985 | EP0157534A2 Driving circuit for radio frequency dryer |
| 10/08/1985 | US4546305 For adapting a load to a lower or an upper alternating voltage range |
| 10/08/1985 | US4546303 Static reactive-power compensation apparatus |
| 10/01/1985 | US4544877 Power conditioning system and apparatus |
| 10/01/1985 | CA1194551A1 Power supply output monitoring method and apparatus |
| 09/25/1985 | EP0155597A1 Device for generating thyristor control pulses to supply an inductance for controlling the reactive power of an electrical network |
| 09/25/1985 | EP0155562A2 An R.F. impedance match control system |
| 09/24/1985 | US4543522 Regulator with a low drop-out voltage |
| 09/24/1985 | CA1194148A1 Integrated circuit for generating a current |
| 09/24/1985 | CA1194147A1 Signal translator with supply voltage compensation |
| 09/17/1985 | US4541389 Current regulator for an electromagnetic load utilized in conjunction with an internal combustion engine |
| 09/17/1985 | CA1193656A1 Static var generator |
| 09/17/1985 | CA1193655A1 Feed forward ac voltage regulator employing step-up, step-down transformer and analog and digital control circuitry |
| 09/12/1985 | WO1985004030A1 A voltage controller |
| 09/11/1985 | EP0153945A1 A temperature-compensated zener voltage reference |
| 09/10/1985 | US4540934 Device for the fine adjustment of the output voltage of multi-phase regulating transformers |
| 09/10/1985 | US4540932 Talk filtered power supply |
| 09/10/1985 | US4540931 Variable transformer and voltage control system |
| 09/10/1985 | US4540895 Device having thyristors connected in series |
| 09/10/1985 | CN85100197A Power factor correction system-with a lock loop to avoid"invalid act" |
| 09/03/1985 | US4539491 Voltage/current conversion circuit |
| 09/03/1985 | CA1192966A1 Constant current source for field contact input |
| 09/03/1985 | CA1192952A1 Up-down voltage regulator |
| 09/03/1985 | CA1192951A1 Controlled ferroresonant voltage regulator with increased stability |
| 08/28/1985 | EP0152805A2 Semiconductor device |
| 08/28/1985 | EP0152770A1 Supervised control device |
| 08/28/1985 | EP0152582A2 Electronic voltage regulator |
| 08/27/1985 | US4538102 Power supply circuit |
| 08/27/1985 | CA1192611A1 Method of static reactive power compensation |
| 08/21/1985 | EP0152002A1 Phase-shifter |
| 08/21/1985 | EP0151856A2 Power on-off control circuit |
| 08/20/1985 | US4536701 Voltage-current converting circuit |
| 08/20/1985 | US4536699 Field effect regulator with stable feedback loop |
| 08/13/1985 | US4535282 Voltage regulation circuit |