Patents
Patents for H01H 53 - Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them (216)
11/1988
11/22/1988CA1245254A1 High speed contact driver for circuit interruption device
02/1988
02/03/1988CN87206111U Ralay with deflected magnet body
01/1988
01/28/1988DE3625342A1 Relay for use in a constant magnetic field, especially for nuclear- spin examination units(nuclear magnetic resonance units)
01/27/1988CN86107007B Power-saving magnetodynamic contactor
12/1987
12/16/1987CN86107007A Power saving contactor of magnetic rotor driving type
07/1987
07/21/1987CA1224512A1 Relay for high-frequency circuits
03/1987
03/24/1987CA1219466A1 Self-energized commutation device sensitive to a temperature gradient
05/1986
05/10/1986CN85107237A Reverse time limiting current relay
04/1986
04/22/1986US4583867 Self-energized commutation device sensitive to a temperature gradient
02/1986
02/26/1986CN85201377U Inverse timelimit overcurrent relay
10/1984
10/31/1984EP0123624A1 Self-powered switching device responding to a temperature gradient
02/1982
02/23/1982US4317095 Milli-volt switching device
10/1981
10/07/1981EP0037295A1 High-speed circuit breaker provided with a shock-proof device
03/1980
03/11/1980CA1073507A1 Repulsion coll actuator for high speed high power circuits
10/1979
10/02/1979US4169999 Thermal-magnetic switch
04/1978
04/25/1978US4086645 Repulsion coil actuator for high speed high power circuits
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