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:
Mar. 22, 2005
Filed:
Oct. 11, 2002
Applicant:
Kazuaki Akimoto, Sapporo, JP;
Inventor:
Kazuaki Akimoto, Sapporo, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S003/08 ;
U.S. Cl.
CPC ...
Abstract
An etalon includes an analyzer, a first λ/4 plate having an optical axis forming a 45 degree angle with respect to an optical axis of the analyzer and receiving a light transmitted via the analyzer, and a second λ/4 plate having an optical axis which is parallel to or 90 degrees to the optical axis of the first λ/4 plate and receiving a light transmitted via the first λ/4 plate. A reflection may occur between the first and second λ/4 plates.
Akimoto, Kazuaki. (2005). Etalon and external resonance type laser (U.S. Patent No. 6870872). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6870872
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile