Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1975-01-27
1976-12-28
Harris, G.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335196, 200175, H01H 6714
Patent
active
040004791
ABSTRACT:
A cross bar switching matrix for electric conductors in two sets has a first array of strips of magnetic metal mounted parallel on an insulating support plate with laterally projecting tongues from each strip the ends lying freely on the support plate. A second set of metal strips identical to the first set but at right angles thereto is mounted on a second insulating support plate. The support plates are juxtaposed with the strips perpendicular to each other and the free ends of the tongues of each set are opposed and form with a portion of each of the associated strips a ring which is substantially closed but for a thin layer of electrically insulating material in the areas where the strips of each array cross those of the other. Electromagnetic control circuits made up of electric control conductors are associated with a respective one of the strips and each electric control conductor includes a conductor linked with each of the rings formed by the tongues of the respective array strip.
REFERENCES:
patent: 3268840 (1966-08-01), Hjertstrand
patent: 3646303 (1972-02-01), Warman
patent: 3869684 (1975-03-01), Grobe
Harris G.
Metalimphy
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