JPWO2021070705A1 - - Google Patents

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Publication number
JPWO2021070705A1
JPWO2021070705A1 JP2021551377A JP2021551377A JPWO2021070705A1 JP WO2021070705 A1 JPWO2021070705 A1 JP WO2021070705A1 JP 2021551377 A JP2021551377 A JP 2021551377A JP 2021551377 A JP2021551377 A JP 2021551377A JP WO2021070705 A1 JPWO2021070705 A1 JP WO2021070705A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2021551377A
Other languages
Japanese (ja)
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JP7198940B2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of JPWO2021070705A1 publication Critical patent/JPWO2021070705A1/ja
Application granted granted Critical
Publication of JP7198940B2 publication Critical patent/JP7198940B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
JP2021551377A 2019-10-11 2020-09-30 Gas concentration measuring device Active JP7198940B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019188123 2019-10-11
JP2019188123 2019-10-11
PCT/JP2020/037167 WO2021070705A1 (en) 2019-10-11 2020-09-30 Gas concentration measurement device

Publications (2)

Publication Number Publication Date
JPWO2021070705A1 true JPWO2021070705A1 (en) 2021-04-15
JP7198940B2 JP7198940B2 (en) 2023-01-04

Family

ID=75437225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021551377A Active JP7198940B2 (en) 2019-10-11 2020-09-30 Gas concentration measuring device

Country Status (3)

Country Link
JP (1) JP7198940B2 (en)
CN (1) CN114514423A (en)
WO (1) WO2021070705A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022239551A1 (en) * 2021-05-12 2022-11-17

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830648A (en) * 1981-08-17 1983-02-23 Hitachi Ltd Semiconductor gas sensor
JPS63128248A (en) * 1986-11-18 1988-05-31 Sharp Corp Composite gas sensor
CN202404061U (en) * 2011-12-14 2012-08-29 邯郸派瑞电器有限公司 Anti-interference analyzer for detecting trace formaldehyde in air
JP2018536168A (en) * 2015-12-02 2018-12-06 オハイオ・ステイト・イノベーション・ファウンデーション Sensor using pn semiconductive oxide heterostructure and method of using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100455925C (en) * 2004-11-30 2009-01-28 乐金电子(天津)电器有限公司 Air purifier with gas sensor and method for detecting pollution degree
JP2009025113A (en) * 2007-07-19 2009-02-05 Topland:Kk Device for measuring aspirated air concentration
WO2011086677A1 (en) * 2010-01-14 2011-07-21 トヨタ自動車株式会社 Concentration detection device
CN108120798A (en) * 2016-11-28 2018-06-05 艾欧史密斯(中国)热水器有限公司 Sensor device, air purifier and gas measuring method
JP6708585B2 (en) * 2017-02-21 2020-06-10 白井松器械株式会社 Gas concentration measurement system
CN207422575U (en) * 2017-11-17 2018-05-29 艾欧史密斯(中国)热水器有限公司 The apparatus of air conditioning and its formaldehyde examination device
CN110006952A (en) * 2018-01-04 2019-07-12 上海雷誉光触媒环保科技有限公司 Gas detection sensor device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830648A (en) * 1981-08-17 1983-02-23 Hitachi Ltd Semiconductor gas sensor
JPS63128248A (en) * 1986-11-18 1988-05-31 Sharp Corp Composite gas sensor
CN202404061U (en) * 2011-12-14 2012-08-29 邯郸派瑞电器有限公司 Anti-interference analyzer for detecting trace formaldehyde in air
JP2018536168A (en) * 2015-12-02 2018-12-06 オハイオ・ステイト・イノベーション・ファウンデーション Sensor using pn semiconductive oxide heterostructure and method of using the same

Also Published As

Publication number Publication date
WO2021070705A1 (en) 2021-04-15
JP7198940B2 (en) 2023-01-04
CN114514423A (en) 2022-05-17

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