JPWO2021070705A1 - - Google Patents
Info
- 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.)
- Granted
Links
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
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022239551A1 (en) * | 2021-05-12 | 2022-11-17 |
Citations (4)
| 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)
| 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 |
-
2020
- 2020-09-30 WO PCT/JP2020/037167 patent/WO2021070705A1/en active Application Filing
- 2020-09-30 JP JP2021551377A patent/JP7198940B2/en active Active
- 2020-09-30 CN CN202080071168.5A patent/CN114514423A/en active Pending
Patent Citations (4)
| 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 |
|---|---|
| CN114514423A (en) | 2022-05-17 |
| WO2021070705A1 (en) | 2021-04-15 |
| JP7198940B2 (en) | 2023-01-04 |
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