Apparatus for controlling a motor in a camera

Details Apparatus for controlling a motor in a camera Apparatus for controlling a motor in a camera

1987-08-28

1989-04-04

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

3541731, 35417311, H02P 308

Patent

active

048189219

ABSTRACT:
An apparatus for controlling a motor in a camera including, a motor drive unit for driving the motor in a prescribed sequence, a braking device for applying the brakes on the motor in accordance with the prescribed sequence, and a speed detecting unit for monitoring the speed of the motor and permitting initiation of the next action only after the speed of the motor, in consequence of application of the brakes by the braking device, is brought to a level incapable of obstructing the next action.

REFERENCES:
patent: 4196993 (1980-04-01), Stemme et al.
patent: 4343545 (1982-08-01), Onogi
patent: 4405221 (1983-09-01), Yoshida et al.
patent: 4571044 (1986-02-01), Wakabayashi
patent: 4679925 (1987-07-01), Kawamura et al.
patent: 4679926 (1987-07-01), Suzuki et al.
patent: 4697899 (1987-10-01), Kawamura et al.
patent: 4734732 (1988-03-01), Nishio et al.
patent: 4752793 (1988-06-01), Kawamura et al.

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