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Title:
COMPETITIVE SWIMMING TOUCH DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/215414
Kind Code:
A1
Abstract:
This competitive swimming touch detection device (11) is provided with: a bag body (2) which is disposed inside a competitive swimming pool and which has liquid filled therein; and a sensor unit (3) which senses a change in pressure applied to the liquid inside the bag body (2). The bag body (2) is flexible and configured so as to be warped at a site thereof that has been pressed by a swimmer's touch, thereby causing a pressure change to the liquid inside the bag body (2).

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Inventors:
WATANABE HIDEO (JP)
Application Number:
PCT/JP2021/015940
Publication Date:
October 28, 2021
Filing Date:
April 20, 2021
Export Citation:
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Assignee:
WATANABE HIDEO (JP)
International Classes:
A63B71/06
Foreign References:
JP2016209257A2016-12-15
JPH0631023A1994-02-08
JPS55173394U1980-12-12
JPH10295869A1998-11-10
JPS52146035A1977-12-05
US20160375342A12016-12-29
Attorney, Agent or Firm:
KOREEDA Yosuke et al. (JP)
Download PDF:
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