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, 1988
Filed:
Apr. 17, 1986
Applicant:
Inventors:
Hiroshi Oinoue, Tokyo, JP;
Akira Nakamura, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250216 ; 2502 / ; 357 19 ;
Abstract
In a semiconductor laser apparatus for an optical head, a beam splitter having a first surface incline at a predetermined angle with respect to a radiant surface of a semiconductor laser chip is fixed on a photodetector to reduce the cost of the optical head.
Oinoue, Hiroshi. (1988). Semiconductor laser apparatus for optical head (U.S. Patent No. 4733067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4733067
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile