Title:
HOLE MEASUREMENT METHOD AND DISTANCE MEASUREMENT DEVICE
Document Type and Number:
Japanese Patent JP2023048772
Kind Code:
A
Abstract:
To increase the measurement accuracy of measuring a depth to a predetermined position of a hole in the ground.SOLUTION: In a hole measurement method, a distance measurement device 40 suspended in a hole 10 in a ground G measures a distance between the distance measurement device 40 and a reflecting object 80 arranged at the top of the hole 10.SELECTED DRAWING: Figure 3
Inventors:
TORII YUICHI
OISHI KOHEI
MOTOCHIGAWA TOSHIRO
MIURA HIROYUKI
ISHIBASHI KEIJI
MIZUKAMI SHOTA
OISHI KOHEI
MOTOCHIGAWA TOSHIRO
MIURA HIROYUKI
ISHIBASHI KEIJI
MIZUKAMI SHOTA
Application Number:
JP2021158272A
Publication Date:
April 07, 2023
Filing Date:
September 28, 2021
Export Citation:
Assignee:
TAKENAKA KOMUTEN CO
International Classes:
G01C15/00; E21B47/04; E21B47/08; G01C5/00
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
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