Title:
【発明の名称】ズームレンズのレンズ駆動制御装置
Document Type and Number:
Japanese Patent JP3376241
Kind Code:
B2
Abstract:
A lens driving control apparatus for a zoom lens includes a zooming operation member for operating a zoom part of the zoom lens, a focusing operation member for operating a focusing lens part of the zoom lens, and a control circuit for driving and controlling the zoom part. The control circuit computes information about driving of the zoom part for substantially preventing a change of angle of view resulting from movement of the focusing lens part, on the basis of an operation signal of the zooming operation member and an operation signal of the focusing operation member or a position signal of the focusing lens part and a position signal of the zoom part, and drives and controls the zoom part in accordance with the computed information.
Inventors:
Junichi Kasuya
Application Number:
JP8662497A
Publication Date:
February 10, 2003
Filing Date:
April 04, 1997
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B13/36; G02B7/08; G02B7/09; G02B7/10; G02B7/28; (IPC1-7): G02B7/08; G02B7/09; G02B7/28; G03B13/36
Domestic Patent References:
| JP6250071A | ||||
| JP7294795A |
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)