Device for controlling moving body participating in photographin

Details Device for controlling moving body participating in photographin Device for controlling moving body participating in photographin

1992-03-26

1994-01-11

Shoop, Jr., William M.

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

3889075, 388912, 318603, 318606, H02D 5165

Patent

active

052789357

ABSTRACT:
A control device for a moving body such as a focusing lens or the like is arranged to vary time intervals at which a speed control action is performed on a motor according to a driving amount required for moving the moving body to a target position by means of the motor. The arrangement enables the device to prevent an adverse effect of vibrations, etc. and to accurately accomplish position control.

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