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. 23, 2001
Filed:
Mar. 26, 1999
Takeshi Idemura, Utsunomiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus capable of manually and electrically driving an optical unit comprising a manual operation unit for manually driving the optical unit, an electric drive unit for electrically driving the optical unit, a discrimination unit for discriminating whether the optical unit is electrically or manually driven on the basis of a drive command signal for driving the electric drive unit and a state changeover unit for switching the optical unit to an electrically driven state or a manually driven state on the basis of a discrimination result obtained with the discrimination unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile