SE427314B - Rokdetektor av jonisationstyp - Google Patents

Rokdetektor av jonisationstyp

Info

Publication number
SE427314B
SE427314B SE7712543A SE7712543A SE427314B SE 427314 B SE427314 B SE 427314B SE 7712543 A SE7712543 A SE 7712543A SE 7712543 A SE7712543 A SE 7712543A SE 427314 B SE427314 B SE 427314B
Authority
SE
Sweden
Prior art keywords
ionization type
rock detector
rock
detector
ionization
Prior art date
Application number
SE7712543A
Other languages
English (en)
Swedish (sv)
Other versions
SE7712543L (sv
Inventor
E E Solomon
Original Assignee
Gamewell Corp
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
Priority claimed from US05/739,455 external-priority patent/US4121105A/en
Application filed by Gamewell Corp filed Critical Gamewell Corp
Publication of SE7712543L publication Critical patent/SE7712543L/xx
Publication of SE427314B publication Critical patent/SE427314B/xx

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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
SE7712543A 1976-11-08 1977-11-07 Rokdetektor av jonisationstyp SE427314B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/739,455 US4121105A (en) 1975-07-07 1976-11-08 Ionization detector

Publications (2)

Publication Number Publication Date
SE7712543L SE7712543L (sv) 1978-05-09
SE427314B true SE427314B (sv) 1983-03-21

Family

ID=24972389

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7712543A SE427314B (sv) 1976-11-08 1977-11-07 Rokdetektor av jonisationstyp

Country Status (9)

Country Link
JP (1) JPS5358290A (ja)
CA (1) CA1076269A (ja)
DE (1) DE2739091A1 (ja)
DK (1) DK493377A (ja)
ES (1) ES462684A1 (ja)
FR (1) FR2370279A1 (ja)
GB (1) GB1583047A (ja)
IT (1) IT1114156B (ja)
SE (1) SE427314B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430612A1 (fr) * 1978-07-05 1980-02-01 Ugon Pierre Chambre d'ionisation reglable
DE3703602A1 (de) * 1987-02-06 1988-08-18 Kernforschungsz Karlsruhe Vorrichtung mit einer ionisationskammer
GB0613882D0 (en) * 2006-07-12 2006-08-23 Kidde Ip Holdings Ltd Smoke detector

Also Published As

Publication number Publication date
ES462684A1 (es) 1978-11-01
CA1076269A (en) 1980-04-22
FR2370279B3 (ja) 1980-06-20
FR2370279A1 (fr) 1978-06-02
DE2739091A1 (de) 1978-05-24
IT1114156B (it) 1986-01-27
JPS5358290A (en) 1978-05-26
GB1583047A (en) 1981-01-21
SE7712543L (sv) 1978-05-09
DK493377A (da) 1978-05-09

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