Device for controlling a zoom lens of a camera

Details Device for controlling a zoom lens of a camera Device for controlling a zoom lens of a camera

1989-08-28

1990-07-31

Gellner, Michael L.

3541951, G03B 310

Patent

active

049453718

ABSTRACT:
A device for controlling a zoom lens of a camera includes drive means for driving a zoom lens, control means for controlling the drive means, the control means having a plurality of selectable control modes having a linear mode and a stepping mode, or a plurality of stepping modes, and selection means for selecting one of the plurality of selectable control modes. Also, the device includes control means for controlling the drive means so as to drive the zoom lens in steps at a settable interval or to one of a plurality of stop positions. Further, the device includes display means for indicating a selected control mode or stop positions.

REFERENCES:
patent: 4568165 (1986-02-01), Ishibashi
patent: 4855782 (1989-08-01), Koleayashi et al.
patent: 4887107 (1989-12-01), Nakamura et al.
patent: 4890135 (1989-12-01), Fujino et al.
U.S. Patent Application Serial No. 080,572 filed Jul. 28, 1987.
U.S. Patent Application Serial No. 166,030 filed Mar. 9, 1988.

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