Time-sharing drive apparatus for motor of camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Dec 30, 1997
filing date -
Jan 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A time-sharing drive apparatus for a camera having a plurality of motors includes a motor drive control system which alternately drives the motors in a time-sharing control. When the camera includes a zoom lens provided with a first stationary lens group, a second movable lens group and a third movable lens group, the motors are composed of a first motor which opens and closes a diaphragm of the zoom lens, a second motor which moves the second lens group, and a third motor which drives the third lens group. The motor drive control system which drives the first, second and third motors is controlled via a time-sharing system.
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