Title:
A time lag measuring device used for an optical fiber communications system
Document Type and Number:
Japanese Patent JP6220316
Kind Code:
B2
Inventors:
Motoi Sasaki
Koji Nakagawa
Koji Nakagawa
Application Number:
JP2014127326A
Publication Date:
October 25, 2017
Filing Date:
June 20, 2014
Export Citation:
Assignee:
Oi Electric Co., Ltd.
International Classes:
G01M11/02; G01J9/00; H04B10/2513
Domestic Patent References:
| JP2010025913A | ||||
| JP2003121303A | ||||
| JP2003134047A | ||||
| JP2004064097A |
Foreign References:
| WO2009129591A1 | ||||
| US20050146710 |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office