Method and apparatus for transferring wide-band sound signals

Details Method and apparatus for transferring wide-band sound signals Method and apparatus for transferring wide-band sound signals

1974-10-15

1976-03-02

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Picture and sound synchronizing

352 27, G03B 3100

Patent

active

039414620

ABSTRACT:
The invention provides a system for developing sync pulses when PICOR is used on sound film systems. The sprocket holes in the feed track of the film are used in conjunction with a light source and a photocell to develop sync pulses which are required to synchronize a rotating electronic switch with periodic sequential information recorded on the sound track of the film.

REFERENCES:
patent: 3774999 (1973-11-01), Ivestor
patent: 3848978 (1974-11-01), Wray
patent: 3850513 (1974-11-01), Wray

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