Audio-visual cartridge and combined audio player and visual view

Optics: image projectors – With sound accompaniment – Common picture and sound record carrier system

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Details

353120, 353 7, 353110, G03B 2110

Patent

active

044732805

ABSTRACT:
An audio-visual cartridge containing two coplanar adjacent rotatable discs, a visual disc carrying a plurality of picture transparencies mounted in a ring for successive viewing and an audio disc having sound recording tracks on a face thereof for individual sound recordings corresponding to transparencies, the cartridge being in the form of a flat envelope having a first and second internal compartment disposed in coplanar relation for accommodating the discs. An apparatus for reproducing recordings while a user views transparencies on discs contained in an audio-visual cartridge is provided with a manual selector for rotating the visual disc and a motor drive for rotating the audio disc, an optical viewer for reading the transparencies, an audio device for reading sound tracks and reproducing recordings and a circuit and mechanism for coordinating the rotation of the discs so that individual recordings corresponding to transparencies are reproduced while the corresponding transparencies are being viewed.

REFERENCES:
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patent: 3083485 (1963-04-01), Wagenseil
patent: 3296925 (1967-01-01), Yamamoto
patent: 3484160 (1969-12-01), Glass et al.
patent: 3517991 (1970-06-01), Bender
patent: 3556654 (1971-01-01), Stapleton
patent: 3583808 (1971-06-01), Glass et al.
patent: 3829207 (1974-08-01), Licitis
patent: 3836241 (1974-09-01), Staar
patent: 3868178 (1975-02-01), Dimitracopoulos
patent: 4014604 (1977-03-01), Schwartz

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