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:
Jul. 22, 2008
Filed:
Oct. 04, 2004
Tatsuhiko Ueki, Tokyo, JP;
Tatsuya Kimoto, Tokyo, JP;
Hiroyuki Kobayashi, Tokyo, JP;
Toshikazu Mukaihara, Tokyo, JP;
Mamoru Shimada, Tokyo, JP;
Yuji Hiratani, Tokyo, JP;
Tatsuhiko Ueki, Tokyo, JP;
Tatsuya Kimoto, Tokyo, JP;
Hiroyuki Kobayashi, Tokyo, JP;
Toshikazu Mukaihara, Tokyo, JP;
Mamoru Shimada, Tokyo, JP;
Yuji Hiratani, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
An optical module including a temperature measurement module and an optical part having a temperature dependency. The module includes a temperature control part mounted directly or indirectly on the optical part and the temperature measurement part for controlling a temperature of the optical part and the measurement part by thermal contact. An adjustment system is also provided for adjusting a difference of the temperature of the optical part and the measurement part by controlling the heat flow into/out of the optical part or the measurement part.