HK1003539A1 - Gas sensors - Google Patents
Gas sensorsInfo
- Publication number
- HK1003539A1 HK1003539A1 HK98102602A HK98102602A HK1003539A1 HK 1003539 A1 HK1003539 A1 HK 1003539A1 HK 98102602 A HK98102602 A HK 98102602A HK 98102602 A HK98102602 A HK 98102602A HK 1003539 A1 HK1003539 A1 HK 1003539A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- gas sensors
- sensors
- gas
- Prior art date
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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/22—Hydrogen, per se
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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909006176A GB9006176D0 (en) | 1990-03-19 | 1990-03-19 | Gas sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1003539A1 true HK1003539A1 (en) | 1998-10-30 |
Family
ID=10672877
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98102602A HK1003539A1 (en) | 1990-03-19 | 1998-03-26 | Gas sensors |
HK98104191A HK1005045A1 (en) | 1990-03-19 | 1998-05-14 | Gas sensors |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98104191A HK1005045A1 (en) | 1990-03-19 | 1998-05-14 | Gas sensors |
Country Status (8)
Country | Link |
---|---|
US (1) | US5470756A (xx) |
EP (2) | EP0531295B1 (xx) |
JP (1) | JP2766853B2 (xx) |
DE (2) | DE69120948T2 (xx) |
ES (1) | ES2089197T3 (xx) |
GB (1) | GB9006176D0 (xx) |
HK (2) | HK1003539A1 (xx) |
WO (1) | WO1991014939A1 (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5427740A (en) * | 1991-04-05 | 1995-06-27 | British Gas Plc | Tin oxide gas sensors |
US5466605A (en) * | 1993-03-15 | 1995-11-14 | Arizona Board Of Regents | Method for detection of chemical components |
GB9408542D0 (en) * | 1994-04-29 | 1994-06-22 | Capteur Sensors & Analysers | Gas sensing resistors |
WO1996019724A1 (en) * | 1994-12-22 | 1996-06-27 | Senova Corporation | Apparatus for detecting selected chemical components of fluid streams |
US5985673A (en) * | 1994-12-22 | 1999-11-16 | Arizona Baord Of Regents | Method for regeneration of a sensor |
US5886614A (en) * | 1997-04-11 | 1999-03-23 | General Motors Corporation | Thin film hydrogen sensor |
US7887685B2 (en) * | 2005-07-14 | 2011-02-15 | Caterpillar Inc. | Multilayer gas sensor having dual heating zones |
US7345331B1 (en) * | 2005-09-23 | 2008-03-18 | United States Of America As Represented By The Secretary Of The Navy | Ferroelectric capacitor circuit for sensing hydrogen gas |
WO2010044935A2 (en) * | 2008-10-16 | 2010-04-22 | Apollo, Inc. | Sensitive materials for gas sensing and method of making same |
JP5176019B2 (ja) * | 2008-12-22 | 2013-04-03 | 富山県 | Total−VOC検出用ガスセンサ及びその製造方法 |
JP2014178199A (ja) * | 2013-03-14 | 2014-09-25 | Fuji Electric Co Ltd | 薄膜式ガスセンサ及びその検査方法 |
JP6347976B2 (ja) * | 2014-03-31 | 2018-06-27 | 新コスモス電機株式会社 | 水素ガスセンサ及び水素ガス検知方法 |
CN113720879B (zh) * | 2021-08-17 | 2023-10-03 | 华南师范大学 | 丙酮气敏材料和丙酮气体传感器的制备方法及其应用 |
CN114235904B (zh) * | 2021-12-17 | 2022-11-01 | 电子科技大学 | 一种ppb级氢气传感器及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4030340A (en) * | 1976-07-22 | 1977-06-21 | General Monitors, Inc. | Hydrogen gas detector |
GB8516389D0 (en) * | 1985-06-28 | 1985-07-31 | Coles G S V | Gas sensors |
IT1228121B (it) * | 1988-12-23 | 1991-05-28 | Eniricerche Spa | Sensore a stato solido per determinare la concentrazione di idrogeno e/o nox e relativo procedimento di preparazione |
-
1990
- 1990-03-19 GB GB909006176A patent/GB9006176D0/en active Pending
-
1991
- 1991-03-15 DE DE69120948T patent/DE69120948T2/de not_active Expired - Fee Related
- 1991-03-15 EP EP91905421A patent/EP0531295B1/en not_active Expired - Lifetime
- 1991-03-15 WO PCT/GB1991/000400 patent/WO1991014939A1/en active IP Right Grant
- 1991-03-15 EP EP95107339A patent/EP0679884B1/en not_active Expired - Lifetime
- 1991-03-15 JP JP3505306A patent/JP2766853B2/ja not_active Expired - Lifetime
- 1991-03-15 DE DE69131803T patent/DE69131803T2/de not_active Expired - Fee Related
- 1991-03-15 US US07/949,847 patent/US5470756A/en not_active Expired - Fee Related
- 1991-03-15 ES ES91905421T patent/ES2089197T3/es not_active Expired - Lifetime
-
1998
- 1998-03-26 HK HK98102602A patent/HK1003539A1/xx not_active IP Right Cessation
- 1998-05-14 HK HK98104191A patent/HK1005045A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1991014939A1 (en) | 1991-10-03 |
JP2766853B2 (ja) | 1998-06-18 |
EP0679884A1 (en) | 1995-11-02 |
ES2089197T3 (es) | 1996-10-01 |
HK1005045A1 (en) | 1998-12-18 |
JPH05505465A (ja) | 1993-08-12 |
EP0531295B1 (en) | 1996-07-17 |
DE69131803T2 (de) | 2000-05-18 |
DE69131803D1 (de) | 1999-12-30 |
EP0679884B1 (en) | 1999-11-24 |
DE69120948T2 (de) | 1997-02-27 |
DE69120948D1 (de) | 1996-08-22 |
EP0531295A1 (en) | 1993-03-17 |
GB9006176D0 (en) | 1990-05-16 |
US5470756A (en) | 1995-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20040315 |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |