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Patent Searching and Data


Title:
WATER-LEVEL/TEMPERATURE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/051531
Kind Code:
A1
Abstract:
This water-level/temperature measurement device 1 comprises: a long, narrow rod-shaped housing 2 formed by a synthetic resin; and a long-length sensor unit 3 that is incorporated inside the housing 2. An upper-portion side of the sensor unit 3 is provided with a water-level sensor 32 that measures the water level of a paddy field 50, and a lower-portion side is provided with a first temperature sensor 34 and a second temperature sensor 35 that measure the temperature of mud 52.

Inventors:
USUI, Yutaka (1-7, Yukigaya-otsukamachi, Ota-k, Tokyo 01, 〒1458501, JP)
SUGIYAMA, Koichi (1-7, Yukigaya-otsukamachi, Ota-k, Tokyo 01, 〒1458501, JP)
SAKURAI, Shoji (1-7, Yukigaya-otsukamachi, Ota-k, Tokyo 01, 〒1458501, JP)
MOMOTA, Akitaka (1-7, Yukigaya-otsukamachi, Ota-k, Tokyo 01, 〒1458501, JP)
Application Number:
JP2017/005956
Publication Date:
March 22, 2018
Filing Date:
February 17, 2017
Export Citation:
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Assignee:
ALPS ELECTRIC CO., LTD. (1-7 Yukigaya-otsukamachi, Ota-ku Tokyo, 01, 〒1458501, JP)
International Classes:
G01K1/14; G01D21/02; G01F23/00; G01K13/10
Foreign References:
JPH09297043A1997-11-18
JPH07253349A1995-10-03
JPH11108766A1999-04-23
JP2015114319A2015-06-22
JPH10132642A1998-05-22
Attorney, Agent or Firm:
MATSUSHITA, Masahiro (ICHIGO Nishi-Gotanda Bldg. 8F, 3-6-20 Nishi-Gotanda Shinagawa-k, Tokyo 31, 〒1410031, JP)
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