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:
Jan. 13, 2009
Filed:
Jan. 16, 2007
Applicants:
Susumu Monma, Hitachinaka, JP;
Takeshi Mochizuki, Hitachinaka, JP;
Keiji Kataoka, Hitachinaka, JP;
Inventors:
Assignee:
Ricoh Printing Systems, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a multi-beam light source including a light guide array by which the yield can be improved. An array pitch Pof entrance surfaces of light guide pattern is 1/N as wide as an array pitch Pof exit surfaces of optical fiber arrays. The number of the light guide patterns is N or more times as large as the number of optical fibers. The exit surfaces of a plurality of the optical fibers are coupled with the entrance surfaces of a plurality of the light guide patterns opposed thereto.