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:
Feb. 12, 2008
Filed:
Apr. 13, 2005
Applicant:
Norikazu Okada, Kashihara, JP;
Inventor:
Norikazu Okada, Kashihara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/34 (2006.01); G01D 5/36 (2006.01); G01B 11/14 (2006.01); G01B 5/24 (2006.01); G01B 7/30 (2006.01); H03M 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical encoder includes a mobile object having a plurality of aligned slits, a light-emitting portion for emitting light toward the mobile object, and a light-receiving portionfor receiving the light which has passed the mobile object. The light-receiving portionproduces an AC (Alternating Current) signal in an oscillation circuitand outputs an input current, which is changed to an AC, from a light-emitting current output circuitinto the light-emitting portion.
Quick Actions:
Okada, Norikazu. (2008). Optical encoder and electronic equipment having same (U.S. Patent No. 7329858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7329858
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile