Electronic acoustic signal emitter

Details Electronic acoustic signal emitter Electronic acoustic signal emitter

1988-04-20

1989-06-20

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Signal transducers

310322, H01L 4108

Patent

active

048414930

ABSTRACT:
An electronic acoustic signal emitter which includes a piezo-ceramic plate on a metal membrane, and with a circuit board which supports the electronic components. A ring-shaped conductive path with a diameter which is generally as equally large as the metal membrane is arranged on the circuit board in addition to the conductive paths for the components and is electrically connected therewith, which serves as a conductive path and carrier for the metal membrane.

REFERENCES:
patent: 3873866 (1975-03-01), Goble
patent: 4122365 (1978-10-01), Stephens
patent: 4375041 (1983-02-01), Aizawa et al.
patent: 4471259 (1984-09-01), Stoermer et al.
patent: 4630342 (1986-12-01), Tichy
patent: 4641054 (1987-02-01), Takahata et al.
patent: 4746905 (1988-05-01), Harima et al.

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