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:
Feb. 12, 2008
Filed:
Jul. 05, 2005
Atsushi Sohmura, Osaka, JP;
Hiroshi Mizuno, Nara, JP;
Mitsuhisa Ikuta, Nara, JP;
Kazuhiro Mitsumoto, Tokyo, JP;
Shigeru Umeki, Tokyo, JP;
Atsushi Sohmura, Osaka, JP;
Hiroshi Mizuno, Nara, JP;
Mitsuhisa Ikuta, Nara, JP;
Kazuhiro Mitsumoto, Tokyo, JP;
Shigeru Umeki, Tokyo, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Yufu Gosei Kagaku Co., Ltd., Tokyo, JP;
Abstract
An optical transmission device configured from a case that holds an optical element that receives and/or transmits light, the case being provided with a plug insertion hole into which a plug for transmitting an optical signal is inserted; and a shutter mechanism having a shutter that opens and closes the plug insertion hole; wherein the case is provided with an installation part that holds the shutter such that it can rotate freely, and wherein the shutter mechanism can be installed from the outside to the installation part.