GB2013905B - Circuit arrangements for linearising the output voltage of semiconductor gas-detecting elements - Google Patents
Circuit arrangements for linearising the output voltage of semiconductor gas-detecting elementsInfo
- Publication number
- GB2013905B GB2013905B GB7845814A GB7845814A GB2013905B GB 2013905 B GB2013905 B GB 2013905B GB 7845814 A GB7845814 A GB 7845814A GB 7845814 A GB7845814 A GB 7845814A GB 2013905 B GB2013905 B GB 2013905B
- Authority
- GB
- United Kingdom
- Prior art keywords
- linearising
- output voltage
- detecting elements
- circuit arrangements
- semiconductor gas
- 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 title 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 Electric Means (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2753843A DE2753843C3 (de) | 1977-11-30 | 1977-11-30 | Schaltungsanordnung zum Nachweis von Gasen |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2013905A GB2013905A (en) | 1979-08-15 |
GB2013905B true GB2013905B (en) | 1982-09-15 |
Family
ID=6025218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7845814A Expired GB2013905B (en) | 1977-11-30 | 1978-11-22 | Circuit arrangements for linearising the output voltage of semiconductor gas-detecting elements |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2753843C3 (nl) |
FR (1) | FR2410820A1 (nl) |
GB (1) | GB2013905B (nl) |
IT (1) | IT7869731A0 (nl) |
NL (1) | NL180616C (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3435874A1 (de) * | 1984-09-29 | 1986-04-03 | Horst Dipl.-Ing. 2000 Hamburg Krauleidies | Verfahren und anordnung zur ueberwachung der fremdgaskonzentration in einem gasfoermigen traegermedium |
DE3634786A1 (de) * | 1986-10-11 | 1988-04-14 | Hoelter Heinz | Schadstoffsensor mit situationsangepasstem steuer- und schaltverfahren |
US5507171A (en) * | 1994-04-15 | 1996-04-16 | Ssi Technologies, Inc. | Electronic circuit for a transducer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE650185A (nl) * | 1963-07-08 | |||
US3528039A (en) * | 1965-03-22 | 1970-09-08 | Collins Radio Co | Circuit for adding constant dc bias,supplied by a reference zener diode,to a variable input signal |
GB1245239A (en) * | 1967-12-07 | 1971-09-08 | Emi Ltd Formerly Electric & Mu | Improvements relating to electrical analogue function generators |
GB1315113A (en) * | 1969-05-01 | 1973-04-26 | Prosser Scient Instr Ltd | Wave shaping and generating apparatus |
DE2121959A1 (de) * | 1971-04-27 | 1972-11-09 | Auergesellschaft Gmbh, 1000 Berlin | Elektrisches Gerät zur Messung einer physikalischen Größe |
US3736520A (en) * | 1971-11-23 | 1973-05-29 | Honeywell Inf Systems | Precision variable gain amplifier with linear log-gain versus control-voltage characteristic |
-
1977
- 1977-11-30 DE DE2753843A patent/DE2753843C3/de not_active Expired
-
1978
- 1978-11-22 GB GB7845814A patent/GB2013905B/en not_active Expired
- 1978-11-27 NL NLAANVRAGE7811626,A patent/NL180616C/nl active Search and Examination
- 1978-11-29 IT IT7869731A patent/IT7869731A0/it unknown
- 1978-11-30 FR FR7833792A patent/FR2410820A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2410820A1 (fr) | 1979-06-29 |
DE2753843C3 (de) | 1981-09-24 |
NL7811626A (nl) | 1979-06-01 |
NL180616C (nl) | 1987-03-16 |
DE2753843B2 (de) | 1981-01-22 |
GB2013905A (en) | 1979-08-15 |
DE2753843A1 (de) | 1979-05-31 |
FR2410820B1 (nl) | 1984-10-05 |
IT7869731A0 (it) | 1978-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |