Electric motor drive device camera

Details Electric motor drive device camera Electric motor drive device camera

1982-06-23

1984-06-19

Gellner, Michael L.

G03B 112

Patent

active

044550758

ABSTRACT:
An electric motor drive device for a camera has at least two sets of gear trains of different gear ratios for transmitting the driving force of a motor to the winding mechanism of a camera and a change-over mechanism for automatically selecting the most suitable gear train out of these gear trains depending on the condition of batteries attached to the electric motor drive device, so that the driving force of the motor can be transmitted to the winding mechanism through the gear train most suited to the condition of the motor.

REFERENCES:
patent: 3853396 (1974-12-01), Ogiso et al.
patent: 4272173 (1981-06-01), Iwashita et al.

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