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:
Oct. 09, 2012
Filed:
Jun. 08, 2009
Applicants:
Chiaki Kojima, Yokohama, JP;
Ja Koo, Yokohama, JP;
Hiroyuki Imai, Yokohama, JP;
Inventors:
Assignee:
Ayase Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object of the invention is to provide a laser line-generator that generates a straight line with the both end portions as bright as the central portion, and a laser line-generator module that integrates the laser line-generator with a laser light source. A columnar transparent medium has an entrance boundary surfacefor taking in laser light and an exit surfacefor emitting the taken laser light linearly. At least one of the entrance boundary surfaceand the exit surfaceis composed of a curved surface, and a curve forming the curved surface includes two or more inflection points F.