Microphone switch key

Details Microphone switch key Microphone switch key

1977-05-09

1978-05-02

Stephan, Steven L.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

179167, 200157, 200332, H04M 104, H01H 2110

Patent

active

040876527

ABSTRACT:
A microphone and stand assembly for either hand held use or use with the base resting on a flat surface. An arm parallel to the microphone supporting structure which activates a switch when depressed to turn the microphone on, a spring mechanism to bias the arm in a normally off position. A key mechanism which can be engaged by the fingers or thumb and when minimum pressure is exerted will co-act with the switch arm to turn the microphone on. When the fingers or thumb pressure is released the microphone switch will return to the normally off position.

REFERENCES:
patent: 1431925 (1922-10-01), Bohlman
patent: 2611037 (1952-09-01), De Napoli
patent: 3488456 (1970-01-01), Naki
patent: 3935410 (1976-01-01), Howard
patent: 4037063 (1977-07-01), McDonald

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