Japan, Feb. 27 -- KAJIMA CORP has got intellectual property rights for 'STATE MEASUREMENT DEVICE AND STATE MEASUREMENT METHOD.' Other related details are as follows:
Application Number: JP,2022-145245
Category (FI): G01B11/16@Z,G01K11/322,G01D5/353@B
Stage: PROBLEM TO BE SOLVED: To improve measurement accuracy of state measurement of a measurement object by an optical fiber cable.SOLUTION: A state measurement device 100 comprises: an optical fiber cable 50 which is embedded in a folded manner in a borehole 2; and a cover member 60 which covers a folded-back part 50a of the optical fiber cable 50. The optical fiber cable 50 comprises: a first optical fiber cable 51 which is embedded in a forward path; and a second optical fiber cable 52 which is embedded in a return path and is connected to the first optical fiber cable 51 in the cover member 60.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Sept. 13, 2022
Publication Date: March 26, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
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