FR2473179B1 - - Google Patents
Info
- Publication number
- FR2473179B1 FR2473179B1 FR8027908A FR8027908A FR2473179B1 FR 2473179 B1 FR2473179 B1 FR 2473179B1 FR 8027908 A FR8027908 A FR 8027908A FR 8027908 A FR8027908 A FR 8027908A FR 2473179 B1 FR2473179 B1 FR 2473179B1
- 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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (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)
- Catalysts (AREA)
- Emergency Alarm Devices (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8000040 | 1980-01-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2473179A1 FR2473179A1 (fr) | 1981-07-10 |
| FR2473179B1 true FR2473179B1 (US07655688-20100202-C00010.png) | 1984-12-07 |
Family
ID=10510393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8027908A Granted FR2473179A1 (fr) | 1980-01-02 | 1980-12-31 | Elements detecteurs de gaz et procedes pour les fabriquer |
Country Status (5)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083630B (en) * | 1980-09-05 | 1984-01-18 | Nat Res Dev | Catalytic combustible gas sensors |
| DE3122382A1 (de) * | 1981-06-05 | 1982-12-23 | Ibm Deutschland | Verfahren zum herstellen einer gateisolations-schichtstruktur und die verwendung einer solchen struktur |
| US5401470A (en) * | 1992-04-24 | 1995-03-28 | Mine Safety Appliances Company | Combustible gas sensor |
| EP0819935B1 (en) * | 1996-07-19 | 1999-03-31 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | A catalytic gas sensor element |
| US6071476A (en) * | 1997-11-14 | 2000-06-06 | Motorola, Inc. | Exhaust gas sensor |
| US6009742A (en) * | 1997-11-14 | 2000-01-04 | Engelhard Corporation | Multi-channel pellistor type emission sensor |
| US7041256B2 (en) * | 2001-01-30 | 2006-05-09 | Industrial Scientific Corporation | Poison resistant combustible gas sensors and method for warning of poisoning |
| EP1632771A4 (en) * | 2003-06-12 | 2010-09-15 | Riken Keiki Kk | CATALYTIC COMBUSTION TYPE GAS SENSOR AND METHOD FOR MANUFACTURING THE SAME |
| JP4724426B2 (ja) * | 2004-03-30 | 2011-07-13 | シチズンホールディングス株式会社 | ガスセンサ用検知素子および接触燃焼式ガスセンサ |
| GB2437984B (en) * | 2006-05-11 | 2010-08-18 | E2V Tech | Gas sensor arrangement |
| US7833482B2 (en) * | 2006-12-29 | 2010-11-16 | Honeywell International Inc. | Low power combustible gas sensor |
| JP4580405B2 (ja) * | 2007-03-30 | 2010-11-10 | エフアイエス株式会社 | 水素ガスセンサ |
| AU2011270711B2 (en) | 2010-06-25 | 2015-08-27 | Industrial Scientific Corporation | A multi-sense environmental monitoring device and method |
| US10533965B2 (en) | 2016-04-19 | 2020-01-14 | Industrial Scientific Corporation | Combustible gas sensing element with cantilever support |
| CN109565516B (zh) | 2016-04-19 | 2024-08-23 | 工业科技有限公司 | 工作人员安全系统 |
| US11246187B2 (en) | 2019-05-30 | 2022-02-08 | Industrial Scientific Corporation | Worker safety system with scan mode |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092799A (en) * | 1958-02-18 | 1963-06-04 | Nat Res Dev | Apparatus for detecting combustible gases having an electrically conductive member enveloped in a refractory material |
| NL236206A (US07655688-20100202-C00010.png) | 1958-02-18 | |||
| GB1387412A (en) | 1971-07-07 | 1975-03-19 | English Electric Valve Co Ltd | Combustible gas detectors |
| US3883307A (en) * | 1971-10-21 | 1975-05-13 | Ambac Ind | Gas analyzer resistance element |
| GB1437075A (en) * | 1972-06-30 | 1976-05-26 | Nat Res Dev | Gas detectors |
| US3959764A (en) * | 1974-10-09 | 1976-05-25 | Dictaphone Corporation | Gas analyzing element |
| FR2334100A1 (fr) * | 1975-12-05 | 1977-07-01 | Louyot Comptoir Lyon Alemand | Element detecteur de la presence de gaz combustibles dans une atmosphere gazeuse comportant au moins un oxydant |
| GB1550274A (en) * | 1976-03-19 | 1979-08-15 | Riken Keiki Kk | Process for the production of an oxidation catalyst |
| GB1596623A (en) * | 1976-12-13 | 1981-08-26 | Nat Res Dev | Catalytic gas detectors |
| GB1556339A (en) * | 1977-08-25 | 1979-11-21 | English Electric Valve Co Ltd | Combustible gas detectors |
| GB2013901A (en) * | 1977-12-16 | 1979-08-15 | Sieger Ltd J & S | Catalytic gas sensor |
| BE45T1 (fr) * | 1978-03-08 | 1980-03-14 | British Gas Corp | Detecteur catalytique de gaz et son procede de realisation |
| GB2060701B (en) * | 1979-10-12 | 1983-06-08 | Diamond Shamrock Corp | Electrode coating with platinum- group metal catalyst and semiconducting polymer |
-
1980
- 1980-12-23 CA CA000367488A patent/CA1164944A/en not_active Expired
- 1980-12-27 DE DE19803049243 patent/DE3049243A1/de not_active Withdrawn
- 1980-12-30 US US06/221,272 patent/US4416911A/en not_active Expired - Fee Related
- 1980-12-31 FR FR8027908A patent/FR2473179A1/fr active Granted
-
1981
- 1981-01-05 JP JP6381A patent/JPS56101544A/ja active Pending
-
1983
- 1983-07-22 US US06/516,095 patent/US4464339A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3049243A1 (de) | 1981-10-29 |
| JPS56101544A (en) | 1981-08-14 |
| FR2473179A1 (fr) | 1981-07-10 |
| CA1164944A (en) | 1984-04-03 |
| US4416911A (en) | 1983-11-22 |
| US4464339A (en) | 1984-08-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |