Film feed device with film velocity detector and deceleration an

Details Film feed device with film velocity detector and deceleration an Film feed device with film velocity detector and deceleration an

1995-04-05

1996-08-06

Adams, Russell E.

G03B 112

Patent

active

055438784

ABSTRACT:
A film feed device comprises motor for feeding a film, a power supply battery for supplying a voltage to the motor, a velocity detection unit for detecting a film feed velocity, a deceleration unit for duty-driving the motor, a reverse drive brake unit for reversely driving the motor to stop the film feed, and a control unit for controlling the deceleration unit and the reverse drive brake unit based on the film feed velocity detected by the velocity detection unit.

REFERENCES:
patent: 4734732 (1988-03-01), Nishio et al.
patent: 5057859 (1991-10-01), Ishimaru
patent: 5210562 (1993-05-01), Miyazawa et al.
patent: 5239331 (1993-08-01), Kobe et al.

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