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Class Information
Number: 307/140
Name: Electrical transmission or interconnection systems > Switching systems > Switch actuation > Power circuit controlled
Description: Subject matter having means to control a power circuit.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
4536693 High-speed capacitor discharge circuit suitable for the protection of detonation devices Aug. 20, 1985
4535254 Touch-operated power control device Aug. 13, 1985
4533837 Keyboard-equipped apparatus such as an electronic calculator with battery throw means for enabling a power supply circuit Aug. 6, 1985
4528456 Dual load control circuit Jul. 9, 1985
4525634 Alternating current switching device Jun. 25, 1985
4520306 Wall mounted electrical voltage control switch May. 28, 1985
4517469 Circuit for a current consuming device in a motor vehicle May. 14, 1985
4507569 Electrical control system and driver Mar. 26, 1985
RE31848 Electronic assembly Mar. 12, 1985
4499385 Recreational vehicle power control system Feb. 12, 1985
4484084 Power MOSFET transfer switch Nov. 20, 1984
4480197 Multiple load switching circuit Oct. 30, 1984
4480195 Automatic shut-off device of a recording apparatus Oct. 30, 1984
4480194 Circuit for supplying a control contact with power and application thereof to the control of a rest time delay of a relay Oct. 30, 1984
4476398 Home demand controller Oct. 9, 1984
4471230 Control device for switches fitted onto an automobile steering wheel Sep. 11, 1984
4464582 Water-safe hair dryer circuit Aug. 7, 1984
4463269 Pump drive circuit Jul. 31, 1984
4456869 Automatic battery charger Jun. 26, 1984
4454502 Apparatus for monitoring and signalling system Jun. 12, 1984
4443712 Switch device for connecting AC power source to load Apr. 17, 1984
4437018 Audio component coupler Mar. 13, 1984
4430579 Electrically operated, mechanically held electrical switching device Feb. 7, 1984
4424454 Electrical time switch Jan. 3, 1984
4421993 Load resistance control circuitry Dec. 20, 1983
4417153 High frequency switching circuit Nov. 22, 1983
4400688 Method and apparatus for communication over electric power lines Aug. 23, 1983
4398098 Electronic latching circuit Aug. 9, 1983
4394585 Power circuit-breaker with remote-controllable operation threshold Jul. 19, 1983
4390794 Circuit arrangement for controlling the switch-on of supply voltage Jun. 28, 1983
4390839 Method and apparatus for tone controlled variable sensitivity time-of-day watt-hour metering Jun. 28, 1983
4370564 AC Switching device Jan. 25, 1983
4369377 Current control device Jan. 18, 1983
4360853 Capacitor voltage and trip coil impedance sensor with high voltage isolation Nov. 23, 1982
4360739 Wall switch opening mounted power circuit timer-controller Nov. 23, 1982
4354747 Switching circuit for regulation of camera functions Oct. 19, 1982
4354120 Daily variability timer Oct. 12, 1982
4349748 Timer and power control system Sep. 14, 1982
4348582 Communication via an electricity supply main Sep. 7, 1982
4344000 Power circuit control programmable timer Aug. 10, 1982
4329678 Method and apparatus for remotely controlling an electrical appliance May. 11, 1982
4328482 Remote AC power control with control pulses at the zero crossing of the AC wave May. 4, 1982
4315161 Electric power sharing device Feb. 9, 1982
4272687 Power manageable circuit breaker Jun. 9, 1981
4270058 Power supply and control circuit for series connected controller May. 26, 1981
4267462 Control circuit for a compactor May. 12, 1981
4259618 Electronic assembly Mar. 31, 1981
4249089 Short-term power dropout arrangement useful in a television receiver Feb. 3, 1981
4232707 Controller for fluid flow systems Nov. 11, 1980
4223301 Apparatus for conserving energy in electrical appliances Sep. 16, 1980

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