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:
Sep. 21, 1999
Filed:
Oct. 21, 1997
Hiroshi Arita, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical apparatus includes a signal output device which outputs an analog signal corresponding to a position of an operation member and a determination device which determines the position of the operation member in accordance with at least first and second determinations. In the first determination, the determination device determines the position of the operation member during movement of the operation member by comparing the analog signal of the signal output device with a plurality of predetermined values. In the second determination, the determination device determines the position of the operation member after the operation member has stopped by using a manner different from a manner of the first determination.