US Patent 7139479 Method and apparatus for optical network administration

Patent 7139479 was granted and assigned to Hitachi on November, 2006 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71394790

Patent Inventor Names

Yuichi Yamaguchi0

Tomohiro Mori0

Toru Okamoto0

Toshiyuki Atsumi0

Kentarou Watanabe0

Masahiro Takatori0

Masaki Ohira0

Ryuji Ishii0

Date of Patent

November 21, 2006

Patent Application Number

100383320

Date Filed

October 23, 2001

Patent Primary Examiner

‌

Shi K. Li

Patent 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.

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