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. 18, 1993
Filed:
Jul. 11, 1991
Applicant:
Inventors:
Yushi Kaneda, Kanagawa, JP;
Michio Oka, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; H01S / ; H01S / ;
U.S. Cl.
CPC ...
372 71 ; 372 75 ; 359483 ; 385 11 ; 385 24 ;
Abstract
A laser light source in which a couple of light beams whose shapes are re-formed and whose polarizing planes are made perpendicular to each other are synthesized by a beam splitter and then the synthesized light is incident on an optical guide through a predetermined optical system, thereby generating the synthesized light having a short spot diameter and an improved power density.