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. 17, 2005
Filed:
Sep. 25, 2003
Applicants:
Yujin Yamazaki, Kawasaki, JP;
Yuichi Kawahata, Kawasaki, JP;
Nobuaki Mitamura, Sapporo, JP;
Hirohiko Sonoda, Kawasaki, JP;
Inventors:
Yujin Yamazaki, Kawasaki, JP;
Yuichi Kawahata, Kawasaki, JP;
Nobuaki Mitamura, Sapporo, JP;
Hirohiko Sonoda, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B007/02 ;
U.S. Cl.
CPC ...
Abstract
A cabinet provided with light input/output holes accommodates a VIPA optical element, a lens, a fixing material fixing the VIPA optical element. A temperature-controlled heater controls the temperature of and inside the cabinet. Both the light input and output holes of the cabinet are blocked by the fixing material and the lens, respectively, so that temperature inside the cabinet is not influenced by the outside air.