Combination inertia type audio transducer and loudspeaker

Details Combination inertia type audio transducer and loudspeaker Combination inertia type audio transducer and loudspeaker

1990-01-05

1991-10-15

Dwyer, James L.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

381 731, H04R 302, H04R 2500

Patent

active

050581732

ABSTRACT:
An audio transducer for activating a sounding board and a loudspeaker combined in one structure operating together simultaneously and using only one activating diaphragm to drive a sounding board and to produce sound pressure in an air cavity inside the transducer structure and expelling the sound pressure developed in the air cavity.

REFERENCES:
patent: 3178512 (1965-04-01), Ashworth
patent: 3449531 (1969-06-01), Ashworth
patent: 3509282 (1970-04-01), Ashworth
patent: 3728497 (1973-04-01), Kamatsu
patent: 4064376 (1977-12-01), Yamada
patent: 4914750 (1990-04-01), Lawson

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