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:
Aug. 04, 1992
Filed:
Jun. 06, 1991
Takayuki Tsuboi, Kanagawa, JP;
Isao Nakazawa, Kanagawa, JP;
Hiroshi Maeno, Tokyo, JP;
Yasuhiko Shiomi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical system adjusting device for a camera comprises a first driver for driving the optical system of the camera; a second driver for driving the optical system at a finer pitch than the first driver; and a control system arranged to divide a degree to which the optical system is to be driven into a first degree to which the optical system is to be driven by the first driver and a second degree to which the optical system is to be driven by the second driver and to cause the first driver to drive the optical system to the first degree and the second driver to drive the optical system to the second degree.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile