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Title:
THERMAL-TYPE HUMIDITY MEASURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/095619
Kind Code:
A1
Abstract:
The present invention provides a thermal-type humidity measuring device having low variation in output error. A thermal-type humidity measuring device 11 according to the present invention is provided with: a humidity detection unit that has a heating resistor; and a signal processing unit that processes a signal from the humidity detection unit. The thermal-type humidity measuring device 11 is characterized in that output characteristics of the signal processing unit are adjusted by using a gas having a moisture mixing ratio larger than that in a relative humidity of 100% at room temperature.

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Inventors:
ANDO RYO (JP)
HOSOKAWA TAKEO (JP)
YUKI FUMIO (JP)
AKIMOTO TAKANORI (JP)
ONUKI HIROSHI (JP)
Application Number:
PCT/JP2019/040166
Publication Date:
May 14, 2020
Filing Date:
October 11, 2019
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
G01N25/64
Domestic Patent References:
WO2018088019A12018-05-17
WO2018110140A12018-06-21
WO2015087644A12015-06-18
Foreign References:
JP2016003965A2016-01-12
JPH0232113U1990-02-28
JPS62124551U1987-08-07
JP2018003621A2018-01-11
JP2004286492A2004-10-14
JP2008541118A2008-11-20
JP2002156348A2002-05-31
JP2015045515A2015-03-12
Attorney, Agent or Firm:
TODA Yuji (JP)
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