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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01/08/1985 | US4492913 Current regulating circuit for an electric consumer |
01/08/1985 | US4492841 Anticoagullant, hypoglycemic agent |
01/08/1985 | CA1180792A1 Dynamic self-checking safety circuit means |
01/08/1985 | CA1180750A1 Polyphase static inverter |
01/02/1985 | EP0129839A1 Variable transformer and voltage control system |
01/01/1985 | US4491113 Current regulator for an electromagnetic consumer for use with internal combustion engine control |
12/27/1984 | EP0129133A1 Power supply circuit for electrical apparatuses with automatic mains supply selection |
12/27/1984 | EP0128988A1 Method and device for eliminating interferences due to load variation in switched-mode power supplies |
12/27/1984 | CA1180052A Circuit for generating a sinusoidal synchronisation voltage for firing thyristors |
12/25/1984 | US4490779 Electric power system |
12/19/1984 | EP0128182A1 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller. |
12/18/1984 | CA1179731A1 High frequency switching circuit |
12/11/1984 | US4488107 Electrical safety device for controlling a printing machine |
12/11/1984 | US4488060 High voltage ramp rate control systems |
12/11/1984 | CA1179404A1 Method of and apparatus for controlling loads on an electrical power supply |
12/05/1984 | EP0127187A2 Power converter |
12/05/1984 | EP0127163A1 Fault recognition circuit for parallel-load feeding-power supply devices |
12/04/1984 | US4486821 Power source for a developing bias |
11/27/1984 | US4485432 Electronic voltage drop circuit |
11/27/1984 | US4485427 Fold-back power supply |
11/27/1984 | US4485423 Power source for control equipment |
11/27/1984 | US4485342 Load driving circuitry with load current sensing |
11/27/1984 | CA1178656A1 Electronic speed regulator for a d.c. motor |
11/20/1984 | US4484244 Protection circuit for integrated circuit devices |
11/20/1984 | CA1178338A1 Switched capacitor temperature independent bandgap reference |
11/20/1984 | CA1178336A1 Base drive circuit for power transistors |
11/20/1984 | CA1178335A1 Talk filtered power supply |
11/20/1984 | CA1178334A1 Electric utility demand limiting device and method |
11/14/1984 | EP0124918A1 Current-source arrangement |
11/14/1984 | EP0124864A1 Power control apparatus with optical isolation feedback means |
11/13/1984 | US4482985 Semiconductor integrated circuit |
11/13/1984 | US4482855 Current control apparatus for electric power systems |
11/13/1984 | US4482815 Floating back-up power supply |
11/07/1984 | EP0124030A1 Power supply for series fed electronic circuits |
11/07/1984 | EP0123884A2 Charging/discharging circuit |
11/07/1984 | EP0030980B1 Stabilized dc power source |
10/31/1984 | EP0123098A2 Switching power supply regulation |
10/30/1984 | CA1176902A1 Method for the manufacture of resist structures using short wave uv with a copolymer including chloro or cyano substituted acrylic derivative |
10/24/1984 | EP0122607A1 Constant potential/constant current automatic control system for air-carbon arc metal removal |
10/24/1984 | EP0122492A2 Starting circuit for a switched mains power supply |
10/23/1984 | US4479085 Power source circuit |
10/17/1984 | EP0121793A1 CMOS circuits with parameter adapted voltage regulator |
10/10/1984 | EP0121287A1 Current stabilising arrangement |
10/09/1984 | US4476521 Perin rectifier apparatus |
10/09/1984 | US4476478 Semiconductor read only memory and method of making the same |
10/09/1984 | US4476428 Power supply device |
10/09/1984 | US4476399 Stabilized power source parallel operation system |
10/02/1984 | US4475077 Current control circuit |
10/02/1984 | CA1175503A1 Cmos turn-on circuit |
10/02/1984 | CA1175479A1 Multi-voltage transformer input circuits with primary reactor voltage control |
09/27/1984 | WO1984003781A1 Voltage reference circuit |
09/18/1984 | US4472674 Method of static reactive power compensation |
09/13/1984 | EP0087429A4 Marine drive system. |
09/11/1984 | US4471232 Method of and apparatus for controlling loads on an electrical power supply |
09/04/1984 | US4470005 Static VAR generator having a thyristor circuit arrangement providing reduced losses |
09/04/1984 | US4469998 Three-phase power factor controller with induced emf sensing |
08/30/1984 | WO1984003403A1 Mos depletion load circuit |
08/30/1984 | WO1984003372A1 A current source circuit having reduced error |
08/29/1984 | EP0116748A1 On-load tap changer |
08/28/1984 | US4468569 Means of improving the utilization of energy available from a solar electric generator |
08/28/1984 | CA1173519A1 Semiconductor integrated circuit |
08/28/1984 | CA1173504A1 Direct current load supply circuit having two different output characteristics |
08/21/1984 | US4467258 Power factor correction for variable speed drive |
08/21/1984 | CA1173112A1 Electric supply for ion therapy |
08/21/1984 | CA1173107A1 Digital controller |
08/15/1984 | EP0115897A1 Current source arrangement |
08/14/1984 | US4465966 Controlled ferroresonant voltage regulator providing immunity from sustained oscillations |
08/10/1984 | EP0105331A4 Controlled ferroresonant voltage regulator with increased stability. |
08/07/1984 | CA1172341A1 Constant energy drive circuit for electromagnetic print hammers |
08/07/1984 | CA1172314A1 Dual mode dc/dc converter |
07/31/1984 | CA1171907A1 Pulsed thyristor trigger control circuit |
07/25/1984 | EP0113953A1 On-load tap changer with vacuum switches |
07/25/1984 | EP0113951A1 Phase detector for three-phase power factor controller |
07/25/1984 | EP0113865A1 Semiconductor integrated circuit |
07/25/1984 | EP0074391A4 Regulated power supply. |
07/24/1984 | US4461992 Temperature-compensated current source circuit and a reference voltage generating circuit using the same |
07/24/1984 | US4461991 Current source circuit having reduced error |
07/24/1984 | US4461990 Phase control circuit for low voltage load |
07/24/1984 | US4461690 System for equalizing current flow in a plurality of branch circuits such as are used in electroplating baths |
07/24/1984 | EP0073825A4 Regulated converter with volt-balancing control circuit. |
07/24/1984 | CA1171471A1 Power control means for eliminating circuit to circuit delay differences and providing a desired circuit delay |
07/24/1984 | CA1171459A1 Voltage regulator utilizing a static var generator with half period averaging and saturating type firing angle control |
07/18/1984 | EP0113503A1 Three-phase power factor controller with induced EMF sensing |
07/18/1984 | EP0113458A1 MIS semiconductor integrated circuit |
07/18/1984 | EP0113400A2 Regulated current source for thermal printhead |
07/17/1984 | US4460955 Stabilizing power supply apparatus |
07/17/1984 | US4460864 Voltage reference circuit |
07/10/1984 | US4459574 Driving circuit for a coil |
07/10/1984 | US4459539 Charge transfer constant volt-second regulator |
07/10/1984 | US4459538 Power supply circuit |
07/10/1984 | US4459537 Up-down voltage regulator |
07/10/1984 | US4459531 Polyphase static inverter |
07/10/1984 | US4459528 Phase detector for three-phase power factor controller |
07/10/1984 | US4459515 Phase-controlled ballast having shifting control |
07/10/1984 | CA1170716A1 Voltage sensing apparatus for a voltage regulating transformer |
07/04/1984 | EP0112740A1 Electronic control circuit for a multi-mode apparatus comprising a mechanism with an electromagnet |
07/04/1984 | EP0112355A1 Ferroresonant power supply stabilizer circuit |
07/03/1984 | CA1170311A1 Regulated converter with volt-balancing control circuit |
06/26/1984 | US4456833 Regulated power supply |
06/26/1984 | CA1169941A1 Inductive displacement transducer |