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:
Nov. 21, 2006
Filed:
Oct. 23, 2001
Masaki Ohira, Tokyo, JP;
Masahiro Takatori, Chiyoda-ku, JP;
Yuichi Yamaguchi, Tokyo, JP;
Toshiyuki Atsumi, Tokyo, JP;
Tomohiro Mori, Tokyo, JP;
Ryuji Ishii, Tokyo, JP;
Kentarou Watanabe, Tokyo, JP;
Toru Okamoto, Tokyo, JP;
Masaki Ohira, Tokyo, JP;
Masahiro Takatori, Chiyoda-ku, JP;
Yuichi Yamaguchi, Tokyo, JP;
Toshiyuki Atsumi, Tokyo, JP;
Tomohiro Mori, Tokyo, JP;
Ryuji Ishii, Tokyo, JP;
Kentarou Watanabe, Tokyo, JP;
Toru Okamoto, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An optical transmission network allows transmission monitoring zones to be set up or changed in a flexible manner, and allows simultaneous monitoring of communication quality for each of these monitoring zones. Also, provided is an optical transmission zone service provider that varies user fees according to communication quality in the used zones.