Electromechanical DC-RF relay

Details Electromechanical DC-RF relay Electromechanical DC-RF relay

1987-06-04

1989-01-03

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 78, 335 85, 335179, H01H 5122

Patent

active

047959940

ABSTRACT:
A high-speed, high-reliability electromagnetic relay particularly adapted for use in electronic systems in a configuration suitable for signal frequencies from DC to about 8 GHz. A permanent magnet is embedded in a nonconductive material, which is adapted to loosely receive a mid-portion of a contact reed. The embedded permanent magnet serves as a slider. One end of the contact reed is pivotally connected to an input pin of the relay, such that the contact reed can pivot from a first position to a second position while remaining in electrical contact with the input pin. The slider is situated such that the other end of the contact reed is normally in electrical contact with a first output pin, held there by magnetic attraction of the permanent magnet to the relay electromagnet. When the electromagnet of the relay is activated, the slider is repelled from the electromagnet, causing the contact reed to be pivoted away from the first contact pin until it stops in electrical contact against a second output pin. The contact reed slides within the slot of the slider as the contact reed pivots.

REFERENCES:
patent: 4122420 (1978-10-01), Brown
patent: 4150348 (1979-04-01), Foltz

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