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. 04, 2003
Filed:
Jan. 31, 2001
Etsuji Katayama, Tokyo, JP;
Yuichiro Irie, Tokyo, JP;
Jun Miyokawa, Tokyo, JP;
Akira Mugino, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
There is provided a semiconductor laser device capable of increasing the optical output. The semiconductor laser module comprises a semiconductor laser device ( ), an optical fiber ( ) that receives light emitted from the semiconductor laser device ( ) and a photo diode ( ) that monitors optical output of the semiconductor laser device ( ). The optical fiber ( ) is a lensed fiber having a wedge-shaped lens on its tip and the photo diode ( ) placed in the vicinity of the laser light receiving end ( ) of the semiconductor laser device ( ) receives reflected light from a reflection surface ( ) and monitors the optical output of the semiconductor laser device ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile