Sound track unit for audio-visual apparatus

Details Sound track unit for audio-visual apparatus Sound track unit for audio-visual apparatus

1973-12-05

1976-01-06

Aegerter, Richard E.

Undertaking

360133, 274 1R, G11B 2504

Patent

active

039306542

ABSTRACT:
A device for the viewing of photo-images and the presentation of sound recordings corresponding to such photo-images, which device may be controlled by the user to provide substantially random access to any photo-image and the sound recording corresponding thereto, is disclosed. A modular construction of such device and its adaptability to either hand-held or projection embodiments is described. A novel tone arm system as well as a novel turntable driving mechanism, a novel disc type record unit and a novel record changing mechanism is disclosed.

REFERENCES:
patent: 3062552 (1962-11-01), Schwarz
patent: 3416150 (1968-12-01), Lindberg
patent: 3593327 (1971-07-01), Shill
patent: 3706857 (1972-12-01), Lynott
patent: 3818986 (1974-06-01), O'Brien
patent: 3829207 (1974-08-01), Licitis

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