Title:
温度測定システム及び温度測定方法
Document Type and Number:
Japanese Patent JP5664658
Kind Code:
B2
Abstract:
To measure the temperature in a temperature-measurement target disposed in a first area, an optical fiber is drawn to the first area from a second area having an adjusted temperature, and the optical fiber is installed in the temperature-measurement target. Furthermore, a reference temperature-measurement unit is provided in the second area. A temperature measurement apparatus detects backscattered light generated in the optical fiber, and detects temperatures at multiple measurement points along an installation path of the optical fiber. When making a correction on a signal outputted from the temperature measurement apparatus, a signal processor replaces temperatures at measurement points located in the second area among the measurement points with a temperature at the reference temperature-measurement unit.
Inventors:
笠嶋 丈夫
宇野 和史
石鍋 稔
只木 恭子
武井 文雄
宇野 和史
石鍋 稔
只木 恭子
武井 文雄
Application Number:
JP2012540604A
Publication Date:
February 04, 2015
Filing Date:
October 29, 2010
Export Citation:
Assignee:
富士通株式会社
International Classes:
G01K11/12; G01K3/14
Domestic Patent References:
| JP2010107279A | 2010-05-13 | |||
| JP2009265077A | 2009-11-12 | |||
| JP2010160081A | 2010-07-22 | |||
| JP2010107279A | 2010-05-13 | |||
| JP2009265077A | 2009-11-12 |
Foreign References:
| WO2010125712A1 | 2010-11-04 | |||
| WO2010125712A1 | 2010-11-04 |
Attorney, Agent or Firm:
Keizo Okamoto
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