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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) |
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11/22/1988 | CA1245254A1 High speed contact driver for circuit interruption device | 02/03/1988 | CN87206111U Ralay with deflected magnet body | 01/28/1988 | DE3625342A1 Relay for use in a constant magnetic field, especially for nuclear- spin examination units(nuclear magnetic resonance units) | 01/27/1988 | CN86107007B Power-saving magnetodynamic contactor | 12/16/1987 | CN86107007A Power saving contactor of magnetic rotor driving type | 07/21/1987 | CA1224512A1 Relay for high-frequency circuits | 03/24/1987 | CA1219466A1 Self-energized commutation device sensitive to a temperature gradient | 05/10/1986 | CN85107237A Reverse time limiting current relay | 04/22/1986 | US4583867 Self-energized commutation device sensitive to a temperature gradient | 02/26/1986 | CN85201377U Inverse timelimit overcurrent relay | 10/31/1984 | EP0123624A1 Self-powered switching device responding to a temperature gradient | 02/23/1982 | US4317095 Milli-volt switching device | 10/07/1981 | EP0037295A1 High-speed circuit breaker provided with a shock-proof device | 03/11/1980 | CA1073507A1 Repulsion coll actuator for high speed high power circuits | 10/02/1979 | US4169999 Thermal-magnetic switch | 04/25/1978 | US4086645 Repulsion coil actuator for high speed high power circuits |
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