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:
May. 04, 2004
Filed:
Oct. 01, 1999
Applicant:
Inventor:
Yoshiyuki Sekine, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/744 ;
U.S. Cl.
CPC ...
G02B 2/744 ;
Abstract
An optical unit includes a first optical element and a second optical element, wherein the first optical element has a protrusion while the second optical element has a recess. The relative alignment between the first and second optical elements is accomplished by engagement of the protrusion and the recess.
Sekine, Yoshiyuki. (2004). Optical unit having plural optical elements (U.S. Patent No. 6731431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6731431
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile