An optical-communications track supervising system and an optical-communications track monitor method - Nippon Telegraph and Telephone Corporation

Title:

An optical-communications track supervising system and an optical-communications track monitor method

Document Type and Number:

Japanese Patent JP6052822

Kind Code:

B2

Inventors:

Keitaka Enomoto
Tetsuya Iwado
Maya Hamaguchi
Naoki Nakagawa
Youhei Endo

Application Number:

JP2015010990A

Publication Date:

December 27, 2016

Filing Date:

January 23, 2015

Export Citation:

Assignee:

Nippon Telegraph and Telephone Corporation

International Classes:

G01M11/00

Domestic Patent References:

Attorney, Agent or Firm:

Yoshimoto Toyoda
Hiroshi Watanabe

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