Title:
UTILITY POLE POSITION SPECIFICATION METHOD AND AERIAL FIBER OPTIC CABLE STATE ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/176047
Kind Code:
A1
Abstract:
The purpose of this disclosure is to provide a method for remotely specifying a utility pole position and/or for estimating the state of an aerial fiber optic cable. In a utility pole position specification method according to this disclosure, the position of a utility pole is specified as being a vibration distribution boundary region in a vibration distribution pattern obtained by sequentially stacking, for each time, amounts of strain in relation to optical fiber distance that have been measured using an optical fiber vibration distribution measurement method.
Inventors:
OKAMOTO TATSUYA (JP)
IIDA DAISUKE (JP)
KOSHIKIYA YUSUKE (JP)
HONDA NAZUKI (JP)
IIDA DAISUKE (JP)
KOSHIKIYA YUSUKE (JP)
HONDA NAZUKI (JP)
Application Number:
PCT/JP2021/005852
Publication Date:
August 25, 2022
Filing Date:
February 17, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G01H9/00; G01B11/00
Domestic Patent References:
| WO2020044648A1 | 2020-03-05 | |||
| WO2020044660A1 | 2020-03-05 |
Foreign References:
| US20190284931A1 | 2019-09-19 | |||
| US20200370950A1 | 2020-11-26 | |||
| CN111442788A | 2020-07-24 | |||
| CN211234916U | 2020-08-11 | |||
| JP2020134142A | 2020-08-31 |
Other References:
DAISUKE IIDA ET AL., IEICE GENERAL CONFERENCE, 2019, pages B-13 - 10
TIEJUN J. XIA ET AL., PROC OFC2020
TIEJUN J. XIA ET AL., PROC OFC2020
Attorney, Agent or Firm:
OKADA, Kenji et al. (JP)
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