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Class Information
Number: 307/132R
Name: Electrical transmission or interconnection systems > Switching systems > Repetitive make and break
Description:










Sub-classes under this class:

Class Number Class Name Patents
307/132E Electronically controlled relay 86
307/132M Miscellaneous 10
307/132T Thermal relay 6
307/132V Vibrating relay 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8687768 Method and system for passive resonant voltage switching Apr. 1, 2014
8664804 Systems and devices for reducing phantom load Mar. 4, 2014
8624444 Energy saving switch for and process for conserving energy while operating a water heater Jan. 7, 2014
7663457 Magnetic latch for a voice coil actuator Feb. 16, 2010
7245085 Lamp fault detector Jul. 17, 2007
7221106 Cordset based appliance controller May. 22, 2007
6429547 Time switch Aug. 6, 2002
6429549 Time switch Aug. 6, 2002
6326882 Apparatus and method for controlling a ventilation device Dec. 4, 2001
6206538 Miser light for cordless battery operated hand tools Mar. 27, 2001
6134094 Remotely controlled rotary switch for simulating multi-position, rotary, wafer-type, switches Oct. 17, 2000
6031335 Electrical power control system for lighting systems Feb. 29, 2000
5811892 Power supply system including mechanical output switches for use with a plurality of display tubes Sep. 22, 1998
5581134 Bypass switch for RF networks Dec. 3, 1996
5554895 Electronic latching circuit for momentary contact switches Sep. 10, 1996
5394018 Microprocessor based electrical apparatrus with false AC input rejection Feb. 28, 1995
5087825 Capacity responsive keyboard Feb. 11, 1992
4945256 Device for producing even closing of a circuit breaker Jul. 31, 1990
4939618 Lightning protected electric fence controller system and method Jul. 3, 1990
4907122 Relay circuit having a pulse generator for closing contacts Mar. 6, 1990
4901192 Electrical circuit for driving a load with a large force applied intermittently Feb. 13, 1990
4859819 Staged opening switch Aug. 22, 1989
4859868 Electric fence energizer Aug. 22, 1989
4841165 D. C. power controller Jun. 20, 1989
4801814 Pulse generator Jan. 31, 1989
4710645 Device for monitoring the state of an electric switch or an electric relay Dec. 1, 1987
4709615 Electrical firing systems Dec. 1, 1987
4695739 Multi-function switch-controlled lamp circuit Sep. 22, 1987
4678926 Christmas tree lighting control Jul. 7, 1987
4672232 Microprocessor operated timing controller Jun. 9, 1987
4658154 Piezoelectric relay switching circuit Apr. 14, 1987
4626699 Pulse generator Dec. 2, 1986
4591731 Circuit for controlling the stopping of equipment May. 27, 1986
4555640 Automatic high insulation switch Nov. 26, 1985
4409493 Method and device for the transmission of electric power between parts turning at low speed Oct. 11, 1983
4394583 Electric fence energizers Jul. 19, 1983
4367416 Random electric timer having a reversible motor Jan. 4, 1983
4232707 Controller for fluid flow systems Nov. 11, 1980
4219741 Random timer apparatus Aug. 26, 1980
4215277 Sequencing light controller Jul. 29, 1980
4200809 Apparatus for generating electric shock pulses Apr. 29, 1980
4173721 Window shade controls and method associated therewith Nov. 6, 1979
4084103 System-state and operating condition sensitive control method and apparatus for electric power delivery systems Apr. 11, 1978
3988594 Electric fences Oct. 26, 1976











 
 
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