Sound slide

Details Sound slide Sound slide

1975-05-14

1977-03-29

Stephan, Steven L.

Optics: image projectors

Picture carrier

353 19, 360 2, 360101, G03B 2100, G03B 3106, G11B 2102

Patent

active

040146049

ABSTRACT:
There is disclosed sound slide assemblages which comprise a generally rectangular body incorporating an image bearing portion and a magnetic sound track portion. The image bearing portion is adapted to receive either a mounted or unmounted transparency. The sound track portion is contiguous to the image bearing portion and is capable of receiving sound tracks having various configurations such as spiral, arcuate, parallel and sinuous. The assemblages are characterized by their thinness and simplicity of structure.

REFERENCES:
patent: 2925753 (1960-02-01), Schwartz et al.
patent: 2986609 (1961-05-01), Hoshino et al.
patent: 3145616 (1964-08-01), Schwartz et al.
patent: 3185776 (1965-05-01), Bender
patent: 3230824 (1966-01-01), Schwartz et al.
patent: 3242605 (1966-03-01), Kleinschmidt
patent: 3251263 (1966-05-01), Gerry
patent: 3296925 (1967-01-01), Yamamoto
patent: 3471654 (1969-10-01), Dollenmayer
patent: 3751151 (1973-08-01), Petterson
patent: 3807851 (1974-04-01), Knox et al.

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