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:
Jul. 08, 2008
Filed:
Jan. 31, 2006
Kunihiko Itou, Chiryu, JP;
Kunihiko Itou, Chiryu, JP;
Denso Wave Incorporated, Tokyo, JP;
Abstract
An optical information readout apparatus is disclosed having an image forming optical sectionoperative to shift first and second lensesalong an optical axis 'O' at areas in front of a photodetector. A cylindrical bodyincorporates a lens holder means, including permanent magnetsto, by which the first lensis halted and held in any of positions a, aand the second lensis halted and held in any of positions b, b. Coilsand a control circuitdrivingly shift the lenses. The control circuit is operative to independently move the lenses to change a focusing range of the image forming optical section in four different stages in the occurrence of a failure in reading out a two-dimensional code.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile