Audio-visual cartridge and player

Details Audio-visual cartridge and player Audio-visual cartridge and player

1975-07-30

1977-07-26

Stephan, Steven L.

Optics: image projectors

With sound accompaniment

Common picture and sound record carrier system

352 78R, 352128, 352168, 360 93, G03B 3106, G03B 2302

Patent

active

040379515

ABSTRACT:
A film cartridge having a film to be projected, a magnetic tape with a sound signal and film feeding signals, a housing for accommodating therein the film and tape separately therein, a reflector for projecting light passing the film and a locking mechanism for locking the film when it is not driven.
A cartridge autoslide or player for the film cartridge mentioned as above having a housing with an opening for receiving the cartridge, a light source for projecting light on to the reflector of the film cartridge, an optical device for projecting the light passed through the film onto a screen, a film driving mechanism, a tape driving device and an unlocking mechanism for automatically unlocking the film locking mechanism when the cartridge is inserted into the autoslide.

REFERENCES:
patent: 2094581 (1937-10-01), Bundick et al.
patent: 3599985 (1971-08-01), Huber
patent: 3687531 (1972-08-01), Bogdanowicz
patent: 3692392 (1972-09-01), Brill
patent: 3702721 (1972-11-01), Skuja

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