JPH0374352U - - Google Patents

Info

Publication number
JPH0374352U
JPH0374352U JP1990109076U JP10907690U JPH0374352U JP H0374352 U JPH0374352 U JP H0374352U JP 1990109076 U JP1990109076 U JP 1990109076U JP 10907690 U JP10907690 U JP 10907690U JP H0374352 U JPH0374352 U JP H0374352U
Authority
JP
Japan
Prior art keywords
detection element
bridge circuit
gas detector
signal
gas detection
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.)
Granted
Application number
JP1990109076U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0424439Y2 (https=
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 filed Critical
Publication of JPH0374352U publication Critical patent/JPH0374352U/ja
Application granted granted Critical
Publication of JPH0424439Y2 publication Critical patent/JPH0424439Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
  • Control Of Combustion (AREA)
JP1990109076U 1981-05-05 1990-10-19 Expired JPH0424439Y2 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09399/81A IT1167878B (it) 1981-05-05 1981-05-05 Apparecchio rivelatore di gas infiammabile

Publications (2)

Publication Number Publication Date
JPH0374352U true JPH0374352U (https=) 1991-07-25
JPH0424439Y2 JPH0424439Y2 (https=) 1992-06-09

Family

ID=11129547

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57070574A Pending JPS57186160A (en) 1981-05-05 1982-04-28 Detector for inflammable gas
JP1990109076U Expired JPH0424439Y2 (https=) 1981-05-05 1990-10-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57070574A Pending JPS57186160A (en) 1981-05-05 1982-04-28 Detector for inflammable gas

Country Status (21)

Country Link
EP (1) EP0065497B1 (https=)
JP (2) JPS57186160A (https=)
AR (1) AR228973A1 (https=)
AT (1) ATE15562T1 (https=)
AU (2) AU8322682A (https=)
BR (1) BR8202411A (https=)
CA (1) CA1237505A (https=)
DE (1) DE3266133D1 (https=)
DK (1) DK159167C (https=)
ES (1) ES511787A0 (https=)
FI (1) FI75430C (https=)
GR (1) GR75842B (https=)
IE (1) IE52445B1 (https=)
IL (1) IL65497A0 (https=)
IT (1) IT1167878B (https=)
MX (1) MX151271A (https=)
NO (1) NO153236C (https=)
NZ (1) NZ200307A (https=)
PT (1) PT74843B (https=)
YU (1) YU44342B (https=)
ZA (1) ZA823039B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1198606B (it) * 1983-05-17 1988-12-21 Controfugas Srl Apparecchio rivelatore di gas infiammabile ad intervento precondizionato
JPS6071999U (ja) * 1983-10-21 1985-05-21 矢崎総業株式会社 ガス警報器
NO317999B3 (no) * 2002-06-28 2010-07-05 Sts Gruppen As Anordning for sikring av driften av et habitat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216987U (https=) * 1975-07-24 1977-02-05
JPS5268286U (https=) * 1975-11-17 1977-05-20
JPS5433185U (https=) * 1977-08-09 1979-03-05

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221320A (en) * 1961-04-13 1965-11-30 Komyo Rikagaku Kogyo Kabushiki Gas alarm circuit
US3482233A (en) * 1967-04-13 1969-12-02 Eastern Co Gas detector system
BE788001A (fr) * 1971-11-01 1973-02-26 T J Connelly Construction Cy I Circuit sensible a la fumee, avec batterie de secours
US3950739A (en) * 1974-10-30 1976-04-13 Campman James P Detector for detecting and locating the source of a contaminating gas or smoke in the atmosphere
GB1474700A (en) * 1974-12-16 1977-05-25 Neotronics Ltd Device for detecting and indicating the presence in a fluid environment of a potentially dangerous constituent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216987U (https=) * 1975-07-24 1977-02-05
JPS5268286U (https=) * 1975-11-17 1977-05-20
JPS5433185U (https=) * 1977-08-09 1979-03-05

Also Published As

Publication number Publication date
ES8304343A1 (es) 1983-02-16
IL65497A0 (en) 1982-07-30
AU1843388A (en) 1988-09-22
IT8109399A0 (it) 1981-05-05
IE52445B1 (en) 1987-10-28
ES511787A0 (es) 1983-02-16
DK159167B (da) 1990-09-10
EP0065497B1 (fr) 1985-09-11
FI75430B (fi) 1988-02-29
PT74843A (en) 1982-06-01
EP0065497A1 (fr) 1982-11-24
JPH0424439Y2 (https=) 1992-06-09
PT74843B (en) 1983-12-02
FI75430C (fi) 1988-06-09
NZ200307A (en) 1985-05-31
YU94582A (en) 1985-03-20
YU44342B (en) 1990-06-30
ATE15562T1 (de) 1985-09-15
DK159167C (da) 1991-02-11
FI821569A0 (fi) 1982-05-05
GR75842B (https=) 1984-08-02
MX151271A (es) 1984-10-29
AR228973A1 (es) 1983-05-13
DE3266133D1 (en) 1985-10-17
JPS57186160A (en) 1982-11-16
AU8322682A (en) 1982-11-11
IT1167878B (it) 1987-05-20
NO821461L (no) 1982-11-08
ZA823039B (en) 1983-03-30
NO153236C (no) 1986-02-05
DK185582A (da) 1982-11-06
BR8202411A (pt) 1983-04-12
NO153236B (no) 1985-10-28
CA1237505A (en) 1988-05-31
FI821569L (fi) 1982-11-06
IE821010L (en) 1982-11-05

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