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:
Jun. 21, 2005
Filed:
Feb. 14, 2002
Applicants:
Shigeo Kittaka, Osaka, JP;
Hideshi Nagata, Osaka, JP;
Tatsuhiro Nakazawa, Osaka, JP;
Yasuji Sasaki, Osaka, JP;
Minoru Taniyama, Osaka, JP;
Inventors:
Shigeo Kittaka, Osaka, JP;
Hideshi Nagata, Osaka, JP;
Tatsuhiro Nakazawa, Osaka, JP;
Yasuji Sasaki, Osaka, JP;
Minoru Taniyama, Osaka, JP;
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B003/00 ; G02B006/18 ;
U.S. Cl.
CPC ...
Abstract
Two lenses are used for forming a collimator parallel pair, in which the distance between the two lenses is substantially made coincident with the maximum distance allowing beam waists to be formed at equal distances from the two lenses respectively.