JPS6133379B2 - - Google Patents
Info
- Publication number
- JPS6133379B2 JPS6133379B2 JP9287279A JP9287279A JPS6133379B2 JP S6133379 B2 JPS6133379 B2 JP S6133379B2 JP 9287279 A JP9287279 A JP 9287279A JP 9287279 A JP9287279 A JP 9287279A JP S6133379 B2 JPS6133379 B2 JP S6133379B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- sensor
- gas
- supply voltage
- voltage
- Prior art date
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 54
- 230000007423 decrease Effects 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000001282 iso-butane Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000005398 Figaro Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
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 Fluid Adsorption Or Reactions (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9287279A JPS5616861A (en) | 1979-07-21 | 1979-07-21 | Gas detecting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9287279A JPS5616861A (en) | 1979-07-21 | 1979-07-21 | Gas detecting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5616861A JPS5616861A (en) | 1981-02-18 |
| JPS6133379B2 true JPS6133379B2 (enrdf_load_stackoverflow) | 1986-08-01 |
Family
ID=14066518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9287279A Granted JPS5616861A (en) | 1979-07-21 | 1979-07-21 | Gas detecting unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5616861A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59170809U (ja) * | 1983-04-30 | 1984-11-15 | 株式会社島津製作所 | 光コネクタ |
| CH696777A5 (de) * | 2003-08-06 | 2007-11-30 | Saia Burgess Murten Ag | Anordnung und Verfahren zur Detektion von Stoffen. |
-
1979
- 1979-07-21 JP JP9287279A patent/JPS5616861A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5616861A (en) | 1981-02-18 |
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