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Title:
POSITION MEASUREMENT DEVICE AND GUIDED VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/031504
Kind Code:
A1
Abstract:
This position measurement device 16 is installed in a moving body 100 and measures the position of an object BJ. The position measurement device 16 comprises a detection unit 169, a through-passage part 160 and a fluid delivery part 164. The detection unit 169 detects light or sound coming from the object BJ. The light or sound passes through the through-passage part 160 before being detected by the detection unit 169. The fluid delivery part 164 delivers a fluid B towards passages PS1, PS2 for the light or sound. The passages PS1, PS2 are located outside the outer surface 160a of the through-passage part 160.

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Inventors:
SHIMIZU HITOMI (JP)
Application Number:
PCT/JP2019/023684
Publication Date:
February 13, 2020
Filing Date:
June 14, 2019
Export Citation:
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Assignee:
NIDEC SHIMPO CORP (JP)
International Classes:
G01S7/481; G01S7/497; G01S17/93; G05D1/02
Foreign References:
JPH079661U1995-02-10
JPH0457469U1992-05-18
JPH0587580U1993-11-26
JP2018115943A2018-07-26
US20170131139A12017-05-11
Attorney, Agent or Firm:
KOHO IP LAW (JP)
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