IT1023231B - Perfezionamento nei dispositivi rivelatori di fuoco - Google Patents

Perfezionamento nei dispositivi rivelatori di fuoco

Info

Publication number
IT1023231B
IT1023231B IT5401174A IT5401174A IT1023231B IT 1023231 B IT1023231 B IT 1023231B IT 5401174 A IT5401174 A IT 5401174A IT 5401174 A IT5401174 A IT 5401174A IT 1023231 B IT1023231 B IT 1023231B
Authority
IT
Italy
Prior art keywords
improvement
fire detector
detector devices
devices
fire
Prior art date
Application number
IT5401174A
Other languages
English (en)
Italian (it)
Original Assignee
Pittway 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
Application filed by Pittway Corp filed Critical Pittway Corp
Application granted granted Critical
Publication of IT1023231B publication Critical patent/IT1023231B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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 OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
IT5401174A 1974-01-07 1974-11-12 Perfezionamento nei dispositivi rivelatori di fuoco IT1023231B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43113774A 1974-01-07 1974-01-07

Publications (1)

Publication Number Publication Date
IT1023231B true IT1023231B (it) 1978-05-10

Family

ID=23710644

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5401174A IT1023231B (it) 1974-01-07 1974-11-12 Perfezionamento nei dispositivi rivelatori di fuoco

Country Status (5)

Country Link
JP (1) JPS5726398B2 (fr)
DE (1) DE2500435A1 (fr)
FR (1) FR2257119B3 (fr)
GB (1) GB1499581A (fr)
IT (1) IT1023231B (fr)

Also Published As

Publication number Publication date
DE2500435A1 (de) 1975-07-17
JPS50103300A (fr) 1975-08-15
JPS5726398B2 (fr) 1982-06-04
FR2257119A1 (fr) 1975-08-01
FR2257119B3 (fr) 1977-07-22
GB1499581A (en) 1978-02-01

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