GB8704873D0 - Sensors - Google Patents
SensorsInfo
- Publication number
- GB8704873D0 GB8704873D0 GB878704873A GB8704873A GB8704873D0 GB 8704873 D0 GB8704873 D0 GB 8704873D0 GB 878704873 A GB878704873 A GB 878704873A GB 8704873 A GB8704873 A GB 8704873A GB 8704873 D0 GB8704873 D0 GB 8704873D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- sensors
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0054—Ammonia
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878704873A GB8704873D0 (en) | 1987-03-02 | 1987-03-02 | Sensors |
GB8804887A GB2202948B (en) | 1987-03-02 | 1988-03-01 | Ammonia sensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878704873A GB8704873D0 (en) | 1987-03-02 | 1987-03-02 | Sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8704873D0 true GB8704873D0 (en) | 1987-04-08 |
Family
ID=10613197
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB878704873A Pending GB8704873D0 (en) | 1987-03-02 | 1987-03-02 | Sensors |
GB8804887A Expired - Lifetime GB2202948B (en) | 1987-03-02 | 1988-03-01 | Ammonia sensors |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8804887A Expired - Lifetime GB2202948B (en) | 1987-03-02 | 1988-03-01 | Ammonia sensors |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8704873D0 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046054A (en) * | 1994-02-19 | 2000-04-04 | Capteur Sensors & Analysers, Ltd. | Semiconducting oxide gas sensors |
GB9418292D0 (en) | 1994-09-10 | 1994-10-26 | Atomic Energy Authority Uk | Formaldehyde vapour detector |
DE19811069C2 (en) * | 1998-03-13 | 2000-03-09 | Siemens Ag | Measuring circuit for determining the concentration of one or more gases in a gas mixture |
DE19926747C1 (en) | 1999-06-11 | 2001-04-05 | Siemens Ag | Gas sensor based on the principle of work function measurement |
GB0011704D0 (en) | 2000-05-15 | 2000-07-05 | Capteur Sensors And Analysers | Gas sensors with improved resistance to humidity interference |
DE10144900B4 (en) | 2001-09-12 | 2005-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for producing a metal oxide semiconductor gas sensor |
JP5234925B2 (en) * | 2008-04-03 | 2013-07-10 | 株式会社神戸製鋼所 | Hard film, method for forming the same, and hard film coated member |
WO2017205146A1 (en) * | 2016-05-27 | 2017-11-30 | Carrier Corporation | Gas detection device and method of manufacturing the same |
GB202014604D0 (en) * | 2020-09-16 | 2020-10-28 | Imperial College Innovations Ltd | Sensor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015230A (en) * | 1975-02-03 | 1977-03-29 | Matsushita Electric Industrial Co., Ltd. | Humidity sensitive ceramic resistor |
EP0045950B1 (en) * | 1980-08-08 | 1985-12-04 | Kabushiki Kaisha Toshiba | Moisture sensitive element |
GB8329002D0 (en) * | 1983-10-31 | 1983-11-30 | Atomic Energy Authority Uk | Sensors |
-
1987
- 1987-03-02 GB GB878704873A patent/GB8704873D0/en active Pending
-
1988
- 1988-03-01 GB GB8804887A patent/GB2202948B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2202948A (en) | 1988-10-05 |
GB8804887D0 (en) | 1988-03-30 |
GB2202948B (en) | 1991-10-16 |
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