Adjustable transducer

Details Adjustable transducer Adjustable transducer

1980-12-05

1983-02-08

Rubinson, G. Z.

Electrical generator or motor structure

Dynamoelectric

Rotary

179179, 310322, 310324, H04R 1700

Patent

active

043731198

ABSTRACT:
An adjustable transducer apparatus includes a transducer fixedly mounted on a metal plate, a saucer-shaped housing with a pair of concentric inner ridges, a planar annular cover plate, the rim of which rests of the outer ridge, a transducer element fixedly mounted on a metal plate, the rim of the metal plate resting on the inner edge, an "O" ring disposed in the housing between the cover plate and the metal plate for cushioning the metal plate against the housing, and a plurality of screws for adjustably fastening the cover plate against the housing so that the cover plate is pivoted about the outer ridge to produce a compression on the "O" ring, and that said "O" ring in turn holds the metal plate in place in the housing. The maximum alertness of the transducer is obtained by adjusting the screws and thereby adjusting the chamber formed by the housing and the planar annular cover plate.

REFERENCES:
patent: 2123236 (1938-07-01), Fair
patent: 2133647 (1938-10-01), Pierce
patent: 3222462 (1965-12-01), Karmann et al.
patent: 3999020 (1976-12-01), Bastiaans et al.
patent: 4167223 (1979-09-01), Liesse

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