FR2087004A5 - Gas detector using semi-conductor with gasre - Google Patents

Gas detector using semi-conductor with gasre

Info

Publication number
FR2087004A5
FR2087004A5 FR7013761A FR7013761A FR2087004A5 FR 2087004 A5 FR2087004 A5 FR 2087004A5 FR 7013761 A FR7013761 A FR 7013761A FR 7013761 A FR7013761 A FR 7013761A FR 2087004 A5 FR2087004 A5 FR 2087004A5
Authority
FR
France
Prior art keywords
gasre
conductor
semi
gas detector
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
Application number
FR7013761A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7013761A priority Critical patent/FR2087004A5/fr
Application granted granted Critical
Publication of FR2087004A5 publication Critical patent/FR2087004A5/fr
Expired legal-status Critical Current

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
FR7013761A 1970-04-16 1970-04-16 Gas detector using semi-conductor with gasre Expired FR2087004A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7013761A FR2087004A5 (en) 1970-04-16 1970-04-16 Gas detector using semi-conductor with gasre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7013761A FR2087004A5 (en) 1970-04-16 1970-04-16 Gas detector using semi-conductor with gasre

Publications (1)

Publication Number Publication Date
FR2087004A5 true FR2087004A5 (en) 1971-12-31

Family

ID=9054062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7013761A Expired FR2087004A5 (en) 1970-04-16 1970-04-16 Gas detector using semi-conductor with gasre

Country Status (1)

Country Link
FR (1) FR2087004A5 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393302A1 (fr) * 1977-06-01 1978-12-29 Magneti Marelli Spa Detecteur de gaz d'echappement pour vehicules automobiles
EP0018246A1 (fr) * 1979-04-20 1980-10-29 ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement Dispositif allumeur pour mines antivéhicules omnidirectionnelles
EP0022369A1 (fr) * 1979-07-06 1981-01-14 Matsushita Electric Industrial Co., Ltd. Eléments de détecteur de gaz combustibles
EP0046989A2 (fr) * 1980-08-28 1982-03-10 Siemens Aktiengesellschaft Capteur de gaz sélectif en couches minces de hautes sensibilité et stabilité pour la détection et la mesure d'impuretés gazeuses organiques dans l'air à base d'oxyde semi-conducteur de tungstène, ainsi que son procédé de fabrication
EP0265834A2 (fr) * 1986-10-28 1988-05-04 Figaro Engineering Inc. Capteur et méthode pour sa fabrication
EP0829005A1 (fr) * 1996-03-27 1998-03-18 Motorola, Inc. Detecteur calorimetrique d'hydrocarbures non-methaniques a base d'oxyde de metal transitoire et son procede de fabrication

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393302A1 (fr) * 1977-06-01 1978-12-29 Magneti Marelli Spa Detecteur de gaz d'echappement pour vehicules automobiles
EP0018246A1 (fr) * 1979-04-20 1980-10-29 ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement Dispositif allumeur pour mines antivéhicules omnidirectionnelles
FR2454601A1 (fr) * 1979-04-20 1980-11-14 France Etat Dispositif allumeur pour mines antivehicules omnidirectionnelles
EP0022369A1 (fr) * 1979-07-06 1981-01-14 Matsushita Electric Industrial Co., Ltd. Eléments de détecteur de gaz combustibles
EP0046989A2 (fr) * 1980-08-28 1982-03-10 Siemens Aktiengesellschaft Capteur de gaz sélectif en couches minces de hautes sensibilité et stabilité pour la détection et la mesure d'impuretés gazeuses organiques dans l'air à base d'oxyde semi-conducteur de tungstène, ainsi que son procédé de fabrication
EP0046989A3 (en) * 1980-08-28 1983-06-22 Siemens Aktiengesellschaft Selective thin-coat gas sensor with high sensitivity and stability to detect and measure gaseous organic pollutants in the air on the basis of tungsten semi-conductor oxide, and method of producing the same
EP0265834A2 (fr) * 1986-10-28 1988-05-04 Figaro Engineering Inc. Capteur et méthode pour sa fabrication
EP0265834A3 (en) * 1986-10-28 1990-03-07 Figaro Engineering Inc. Sensor and method of producing same
EP0829005A1 (fr) * 1996-03-27 1998-03-18 Motorola, Inc. Detecteur calorimetrique d'hydrocarbures non-methaniques a base d'oxyde de metal transitoire et son procede de fabrication
EP0829005A4 (fr) * 1996-03-27 1999-02-03 Motorola Inc Detecteur calorimetrique d'hydrocarbures non-methaniques a base d'oxyde de metal transitoire et son procede de fabrication

Similar Documents

Publication Publication Date Title
YU35684B (en) Ionization fire-alarm warning device
BE753519A (fr) Elimination des aldehydes et cetones de courants gazeux riches en monoxyde de carbone
GB1295498A (fr)
NL7412929A (nl) Ionisatierookdetectie- en alarminrichting.
ES415905A1 (es) Perfeccionamientos en los avisadores de incendios por ioni-zacion.
FR2087004A5 (en) Gas detector using semi-conductor with gasre
FR2106112A5 (en) Gas detector - of changing electrical conductivity as function of gas concn
IT988085B (it) Dispositivo per la rilevazione di vapori di mercurio in gas
TR16781A (tr) Hidrojen ve karbon monoksid muhtevi
GB1280298A (en) Improvements in and relating to combustion detectors
ES394958A1 (es) Explosor de tension de reaccion constante.
IE35630L (en) Gas detecting device
GB1282536A (en) Ionization smoke detectors
FR2330005A1 (fr) Procede et appareil pour detecter la presence de vapeurs dans l'air
ES416578A1 (es) Perfeccionamientos en un dispositivo electronico detector automatico de gases.
ES410210A1 (es) Avisador de incendios por ionizacion.
ES381761A1 (es) Mejoras introducidas en detectores de humos por ionizacion.
SE400659B (sv) Elektrisk larmanordning for indikering av lufttrycksvariationer
ES398567A1 (es) Procedimiento y aparato de deteccion y de medida cuantita- tiva de un gran contenido en el aire.
GB1259566A (fr)
SE387455B (sv) Joniseringsrokgasdetektor
FR2118846A1 (en) Semiconductor detector for radiation - having separated semiconducting zones of opposite type on base material
ES160397U (es) Dispositivo de alarma.
KR790000175B1 (en) Gas detector
ES431504A1 (es) Nuevo detector de luz visible e infrarroja fabricado con arseniuro de galio, con alta sensibilidad y elevada senal desalida.