Acoustic transducers with improved frequency response

Details Acoustic transducers with improved frequency response Acoustic transducers with improved frequency response

1987-08-20

1989-08-22

Moore, David K.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381205, 381188, H04R 128, H04R 1700

Patent

active

048603686

ABSTRACT:
An acoustic transducer has two partially annular resonators arranged in an ante-chamber of a transducer plate, the resonators being formed by annular channels which are provided in an upper housing component which are sealed from the exterior by a covering plate. The channels are linked to the ante-chamber of the transducer plate through openings.

REFERENCES:
patent: 4240002 (1980-12-01), Tosi et al.
patent: 4268725 (1981-05-01), Nakagawa et al.
patent: 4376232 (1983-03-01), Martin
patent: 4637489 (1987-01-01), Iwanaka et al.

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