Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent
1980-07-16
1982-06-29
Stellar, George G.
Acoustics
Anatomic or prosthetic relation
Ear and mouth
179 1VE, 181150, H04R 102
Patent
active
043373801
ABSTRACT:
A structure for mounting a speaker at a pocket portion formed on a vertical wall, which is characterized by engaging portions formed at peripheral portions of a speaker base member with a speaker fixed thereto and U-shaped spring members which are each adapted to engage, at one end thereof, with a flange of the pocket portion and engage, at another end, with said engaging portions, respectively.
REFERENCES:
patent: 2115098 (1938-04-01), Engholm
patent: 2417153 (1947-03-01), Darr
patent: 3859480 (1975-01-01), Birkner et al.
RCA Technical Note #576, Dec. 1964, Loud Speaker Retainer, W. Moore.
Furui Hiroshi
Tezuka Hisao
Clarion Co. Ltd.
Stellar George G.
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