| 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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| 07/13/1982 | CA1127708A1 Means for damping mechanical torsional oscillations of an electric a.c. generator |
| 07/08/1982 | WO1982002262A1 Solid state current sensing circuit |
| 07/06/1982 | US4338656 Voltage polarity switching circuit |
| 07/06/1982 | US4338646 Current limiting circuit |
| 07/06/1982 | US4338527 Voltage-current conversion circuit |
| 07/06/1982 | US4338176 System for generating and autocontrolling the voltage or current wave form applicable to processes for the electrolytic coloring of anodized aluminium |
| 07/06/1982 | CA1127250A1 High-power switching amplifier |
| 07/06/1982 | CA1127236A1 Control method and system for a high voltage direct current system |
| 06/30/1982 | EP0054642A2 Noise clamping circuit |
| 06/22/1982 | US4336490 Voltage sensing apparatus for a voltage regulating transformer |
| 06/22/1982 | CA1126335A1 Potentiostat for use with electrochemical cells |
| 06/09/1982 | EP0053413A1 Device for the continuous control of the phase angle in electric energy transmission installations |
| 06/08/1982 | US4334310 Noise suppressing bilevel data signal driver circuit arrangement |
| 06/08/1982 | US4334176 Method of and means for controlling electrical devices |
| 06/08/1982 | US4334147 Power control for appliance using high inrush current element |
| 06/01/1982 | US4333136 Solar powered automatic turn-on control (SPA-TOC) unit and method |
| 06/01/1982 | CA1124788A1 High current low voltage liquid cooled switching regulator dc power supply |
| 05/27/1982 | WO1982001776A1 Bias current reference circuit |
| 05/26/1982 | EP0052265A2 Direct current power source |
| 05/26/1982 | EP0052180A1 High-voltage stabilizing circuit for cathode ray tubes |
| 05/25/1982 | US4331881 Field control for wind-driven generators |
| 05/25/1982 | CA1124316A1 Current limiting devices |
| 05/18/1982 | CA1123915A1 Var generator with current sensitive inductance break point |
| 05/13/1982 | WO1982001625A1 Electric power source for a control unit |
| 05/12/1982 | EP0051416A1 A safety circuit for preventing or reducing phase control system malfunction |
| 05/11/1982 | CA1123481A1 Tracking power supply for ac and dc corotrons |
| 05/04/1982 | US4328459 Current inrush limiting apparatus |
| 05/04/1982 | US4328454 Apparatus for controlling ac motor |
| 04/27/1982 | US4327319 Active power supply ripple filter |
| 04/21/1982 | EP0049987A2 An inductive displacement transducer |
| 04/15/1982 | WO1982001288A1 Dual mode dc/dc converter |
| 04/13/1982 | US4325019 Current stabilizer |
| 04/13/1982 | CA1121860A1 Vehicle voltage regulator with electrically isolated output stage |
| 04/07/1982 | EP0048899A2 Method of producing resist patterns |
| 04/06/1982 | US4323839 Constant current load and constant voltage load power supply |
| 04/06/1982 | US4323838 RMS Controlled load tap changing transformer |
| 04/06/1982 | CA1121452A1 Dc power transmission control |
| 03/30/1982 | US4322817 Switching regulated pulse width modulated push-pull converter |
| 03/30/1982 | US4322676 Bias circuit |
| 03/30/1982 | US4322674 Transistorized voltage regulator |
| 03/30/1982 | US4322661 Cross-field plasma mode electric conduction control device |
| 03/30/1982 | CA1121000A1 Short circuit protection of regulated power supplies |
| 03/24/1982 | EP0047843A1 Current control circuit arrangements |
| 03/23/1982 | US4321525 Reference voltage generating circuit in a DC power supply |
| 03/16/1982 | US4320518 Switching control system |
| 03/16/1982 | US4320326 Electronic device for controlling the brightness of an electric gas discharge lamp without an incandescent cathode |
| 03/16/1982 | US4320306 Method and apparatus for controlling current or power between interconnected power stations |
| 03/16/1982 | US4320305 Method and voltage source for producing a smoothed voltage from three-phase current |
| 03/16/1982 | CA1120101A1 Non-interruptible power supply systems |
| 03/10/1982 | EP0047089A1 Method of and apparatus for controlling loads on an electrical power supply |
| 03/09/1982 | US4319317 D.C. Power supply |
| 03/09/1982 | US4319183 Control windings for self-saturating electrical reactors |
| 03/09/1982 | US4319181 Solid state current sensing circuit |
| 03/09/1982 | US4319180 Reference voltage-generating circuit |
| 03/09/1982 | US4319179 Voltage regulator circuitry having low quiescent current drain and high line voltage withstanding capability |
| 03/03/1982 | EP0046482A1 Circuit for delay normalisation of interconnected semiconductor chips |
| 03/02/1982 | US4318040 Power supply circuit |
| 03/02/1982 | US4318007 Circuit arrangement for controlling the energization of a load from a plurality of current sources |
| 03/02/1982 | US4317975 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time |
| 02/24/1982 | EP0046456A1 Current-limiting device for a gas laser supply |
| 02/23/1982 | US4317054 Bandgap voltage reference employing sub-surface current using a standard CMOS process |
| 02/16/1982 | US4316125 Power supply for a flash tube |
| 02/16/1982 | CA1118509A1 Inductance variable |
| 02/09/1982 | US4315305 Controlled D-C power supply |
| 02/09/1982 | US4315209 Temperature compensated voltage reference circuit |
| 02/09/1982 | US4315208 Regulated power supply having its d.c. voltage source selectively supplemented by a d.c. to d.c. converter |
| 02/09/1982 | US4315207 Current controlled battery feed circuit |
| 02/04/1982 | WO1982000372A1 Current limiting circuit |
| 02/02/1982 | US4314324 Transformer power supply having an inductively loaded full wave rectifier in the primary |
| 02/02/1982 | US4314196 Current limiting circuit |
| 02/02/1982 | CA1117594A2 Fail-safe circuit for tap-changing transformer regulating system |
| 01/26/1982 | US4313083 Temperature compensated IC voltage reference |
| 01/26/1982 | US4313060 Uninterruptible power supply with load regulation of standby voltage source |
| 01/21/1982 | WO1982000223A1 Device for controlling the voltage and reactance in an electric circuit |
| 01/20/1982 | EP0044181A1 A.C. electricity power supply system and methods of and apparatus for load control thereon |
| 01/19/1982 | US4311955 Phase control device which compensates for input variations |
| 01/19/1982 | US4311253 Low loss stabilizer |
| 01/12/1982 | CA1116234A1 Current stabilizing circuit |
| 01/05/1982 | US4309748 DC/DC Stabilized voltage converter unit |
| 01/05/1982 | US4309651 Wide range voltage regulator circuit |
| 12/30/1981 | EP0042576A1 Interference suppressing device comprising drivers with common supply |
| 12/29/1981 | US4308496 Reference current source circuit |
| 12/29/1981 | US4308495 Transformer for voltage regulators |
| 12/24/1981 | WO1981003731A1 Lighting system |
| 12/24/1981 | WO1981003723A1 Dc to ac inverter |
| 12/23/1981 | EP0042235A1 DC to AC inverter |
| 12/22/1981 | US4307442 Transmission line interconnecting system |
| 12/22/1981 | US4307332 Energy efficient regulated power supply system |
| 12/22/1981 | US4307331 Hybrid switched-capacitor controlled-inductor static VAR generator and control apparatus |
| 12/15/1981 | US4306283 Power factor improving apparatus for power converter |
| 12/15/1981 | US4306183 Voltage regulation circuit for a solar cell charging system |
| 12/15/1981 | US4306161 Simple method of switching an AC line |
| 12/08/1981 | US4305032 Broad band saturable reactor regulated power supply |
| 12/01/1981 | US4303849 Process and apparatus for charging a capacitor and application of the process |
| 11/24/1981 | US4302791 Power supply sequencing apparatus |
| 11/17/1981 | US4301502 Isolated D.C. voltage regulating apparatus |
| 11/17/1981 | CA1112758A1 Overvoltage protection de-boost regulator |
| 11/17/1981 | CA1112722A1 Power circuit for different stabilized dc voltages |
| 11/11/1981 | EP0039570A2 Alternating current power controller with trip capability within an AC cycle |
| 11/10/1981 | CA1112293A1 Electronic device for controlling the brightness of an electric gas-discharge lamp without an incandescent cathode |