Acoustical transducer

Details Acoustical transducer Acoustical transducer

1982-09-13

1984-10-02

Rubinson, Gene Z.

Electrical generator or motor structure

Dynamoelectric

Rotary

310332, 310334, H04R 1700

Patent

active

044750145

ABSTRACT:
A bimorph bender acoustical transducer driver or motor element in which no center vane is necessary. Elimination of the vane reduces the dynamic mass of the driver so that a thicker, more rugged piezoelectric wafer can be used to achieve the same acoustical response characteristics as were possible with prior art drivers having vanes and thinner piezoelectric wafers subject to damage.

REFERENCES:
patent: 3047749 (1962-07-01), Fisher
patent: 3173035 (1965-03-01), Fisher
patent: 3222462 (1965-12-01), Karmann et al.
patent: 3390287 (1968-06-01), Sonderegger
patent: 3676722 (1972-07-01), Schafft
patent: 4237399 (1980-12-01), Sakamoto
patent: 4283605 (1981-08-01), Nakajima
patent: 4283649 (1981-08-01), Henouchi

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