Sound slide

Details Sound slide Sound slide

1976-09-07

1978-07-25

Stephan, Steven L.

Optics: image projectors

Picture carrier

360 2, G03B 2102, G03B 3106

Patent

active

041025695

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: 2924668 (1960-03-01), Hoshino et al.
patent: 3185776 (1965-05-01), Bender
patent: 3251263 (1966-05-01), Gerry
patent: 3471654 (1969-10-01), Dollenmayer
patent: 3594076 (1971-07-01), Licitis et al.
patent: 3644032 (1972-02-01), Dimitracopoulos
patent: 3807851 (1974-04-01), Knox et al.
patent: 4014604 (1977-03-01), Schwartz

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