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:
Dec. 11, 2007
Filed:
Mar. 27, 2003
Shinobu Ozeki, Kanagawa, JP;
Akira Toshima, Kanagawa, JP;
Masao Funada, Kanagawa, JP;
Kenichi Kobayashi, Kanagawa, JP;
Hidenori Yamada, Kanagawa, JP;
Takeshi Kamimura, Kanagawa, JP;
Yoshihide Sato, Kanagawa, JP;
Junji Okada, Kanagawa, JP;
Takehiro Niitsu, Kanagawa, JP;
Shinya Kyozuka, Kanagawa, JP;
Kazuhiro Sakai, Kanagawa, JP;
Kazuhiro Suzuki, Kanagawa, JP;
Tomo Baba, Kanagawa, JP;
Tsutomu Hamada, Kanagawa, JP;
Masaru Kijima, Kanagawa, JP;
Osamu Takanashi, Kanagawa, JP;
Masaaki Miura, Kanagawa, JP;
Osamu Ueno, Kanagawa, JP;
Shinobu Ozeki, Kanagawa, JP;
Akira Toshima, Kanagawa, JP;
Masao Funada, Kanagawa, JP;
Kenichi Kobayashi, Kanagawa, JP;
Hidenori Yamada, Kanagawa, JP;
Takeshi Kamimura, Kanagawa, JP;
Yoshihide Sato, Kanagawa, JP;
Junji Okada, Kanagawa, JP;
Takehiro Niitsu, Kanagawa, JP;
Shinya Kyozuka, Kanagawa, JP;
Kazuhiro Sakai, Kanagawa, JP;
Kazuhiro Suzuki, Kanagawa, JP;
Tomo Baba, Kanagawa, JP;
Tsutomu Hamada, Kanagawa, JP;
Masaru Kijima, Kanagawa, JP;
Osamu Takanashi, Kanagawa, JP;
Masaaki Miura, Kanagawa, JP;
Osamu Ueno, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
In an optical transmission apparatus in which a plurality of nodes are optically connected to one another via an optical transmission path, a light signal which is coded so that a mixture ratio of 1 and 0 constituting data is made close to 50% is transmitted through the optical transmission path. When a light signal is not emitted from all of the nodes, a dummy signal which is an AC-like signal is emitted to the optical transmission path. Therefore, an optoelectric conversion section can be always set to an active state, and the signal recognizability can be prevented from being lowered.