Film feeding method

Details Film feeding method Film feeding method

1982-11-17

1984-11-13

Adams, Russell E.

354213, 354218, G03B 1736

Patent

active

044822278

ABSTRACT:
A film feeding method wherein film is fed by a film feed motor according to pulses generated per unit moving amount of film, characterized in that the overrun amount of the film feed motor is estimated from the supply voltage obtained at starting of the film feed motor or another electrically-operated drive machine fed with power from the same power source as the film feed motor operated prior to feeding of film. The drive of the film feed motor is controlled in expectation of the estimated overrun amount, or the calculated overrun amount of the film feed motor.

REFERENCES:
patent: 4278337 (1981-07-01), Mashimo
patent: 4299466 (1981-11-01), Harvey
patent: 4311377 (1982-01-01), Matteson
patent: 4311378 (1982-01-01), Freeman et al.
patent: 4362370 (1982-12-01), Iwata et al.

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