Spring force biasing means for a capacitance-type electrostatic

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H04R 1900

Patent

active

043026346

ABSTRACT:
Conformity between a cooperatively engaged vibratile diaphragm and backplate of a capacitance-type electrostatic transducer assembly is improved, and unwanted mechanical vibrations in said backplate are substantially reduced, by means of a low cost, easily fabricated spring in engagement with the housing of said transducer assembly that presses on selected peripheral portions of said transducer backplate.

REFERENCES:
patent: 3595661 (1971-07-01), Gold
patent: 4085297 (1978-04-01), Paglia
patent: 4174164 (1979-11-01), Friedman et al.

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