The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 05, 2004
Filed:
Sep. 08, 1997
Akira Senda, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A control apparatus for an optical device including a lens system having a moving lens and a camera to which the lens system is attached, includes a first control signal output unit including a first operation member and outputting a first control signal to control a movement of the moving lens in accordance with an operation of the first operation member, where the first control signal output unit is electrically connected to the lens system, and a second control signal output unit including a second operation member and outputting a second control signal to control a movement of the moving lens in accordance with an operation of the second operation member, where the second control signal output unit is electrically connected to the camera, and the second control signal is output to the lens system through the camera. The apparatus further includes a first detection unit that detects the first control signal, a second detection unit that detects the second control signal, a selection unit that selects one of the first and second control signals on the basis of output signals from the first and second detection units, and a driving unit that drives the moving lens on the basis of one of the first and second control signals selected by the selection unit.