Sprocketed film transport

Details Sprocketed film transport Sprocketed film transport

1975-10-14

1977-06-14

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Selectively operable plural records, recorders or reproducers

352180, 360 3, 352 27, G03B 3100

Patent

active

040294056

ABSTRACT:
A motion picture film and sound editing-projecting system which utilizes a single sprocket wheel to advance the film and which includes record and reproduce heads within the sprocket wheel. The sprocket wheel is directly connected to the armature shaft of a stepping motor, and a flywheel is frictionally coupled to the armature shaft to eliminate the cogging effect without preventing rapid acceleration.

REFERENCES:
patent: 2735900 (1956-02-01), Wohlrab
patent: 3248029 (1966-04-01), Money
patent: 3351253 (1967-11-01), Nemeth
patent: 3358892 (1967-12-01), Johnson
patent: 3459472 (1969-08-01), Husted
patent: 3508816 (1970-04-01), Bottani
patent: 3565521 (1971-02-01), Butler
patent: 3746441 (1973-07-01), Kotler
patent: 3767298 (1973-10-01), Reinsch

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