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:
Apr. 18, 1995
Filed:
Apr. 04, 1994
Applicant:
Inventor:
Naofumi Aoki, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372107 ; 372 43 ; 372108 ;
Abstract
In adjusting the optical axes of a semiconductor laser and an optical system for directing a laser beam emitted by the semiconductor laser, with a system including a plate having an opening and being shiftable parallel to a light receiving surface, and a holder being rotatable while being fitted in the opening, a point image having an excellent characteristic is formed at a predetermined position of the light receiving surface even if the optical axis of the semiconductor laser or the optical axis of the optical system inclines.