FR2239683B2 - - Google Patents
Info
- Publication number
- FR2239683B2 FR2239683B2 FR7426906A FR7426906A FR2239683B2 FR 2239683 B2 FR2239683 B2 FR 2239683B2 FR 7426906 A FR7426906 A FR 7426906A FR 7426906 A FR7426906 A FR 7426906A FR 2239683 B2 FR2239683 B2 FR 2239683B2
- Authority
- FR
- France
- 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
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8685973A JPS5323195B2 (fr) | 1973-08-03 | 1973-08-03 | |
JP1973138169U JPS5418957Y2 (fr) | 1973-11-30 | 1973-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2239683A2 FR2239683A2 (fr) | 1975-02-28 |
FR2239683B2 true FR2239683B2 (fr) | 1978-01-27 |
Family
ID=26427935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7426906A Expired FR2239683B2 (fr) | 1973-08-03 | 1974-08-02 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH615996A5 (fr) |
DE (1) | DE2437352C2 (fr) |
FR (1) | FR2239683B2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1557921A (en) * | 1977-01-10 | 1979-12-19 | British Steel Corp | Gas monitors |
DE3318672A1 (de) * | 1983-05-21 | 1984-11-22 | Karl Dungs Gmbh & Co, 7067 Urbach | Verfahren zur messung des sauerstoffpartialdruckes in gasen |
US5460736A (en) * | 1994-10-07 | 1995-10-24 | The Procter & Gamble Company | Fabric softening composition containing chlorine scavengers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1598554A1 (de) * | 1965-04-19 | 1971-02-25 | Honeywell Inc | Gasspuergeraet |
US3609732A (en) * | 1969-05-28 | 1971-09-28 | New Cosmos Electric Co | Gas responsive switching device |
BE771767A (fr) * | 1970-08-26 | 1971-12-31 | Nat Res Dev | Dispositifs semi-conducteurs sensibles aux gaz |
-
1974
- 1974-08-02 CH CH1064674A patent/CH615996A5/de not_active IP Right Cessation
- 1974-08-02 DE DE19742437352 patent/DE2437352C2/de not_active Expired
- 1974-08-02 FR FR7426906A patent/FR2239683B2/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2239683A2 (fr) | 1975-02-28 |
CH615996A5 (en) | 1980-02-29 |
DE2437352C2 (de) | 1984-11-22 |
DE2437352A1 (de) | 1975-02-13 |