FR1418342A - Heat detector device - Google Patents

Heat detector device

Info

Publication number
FR1418342A
FR1418342A FR992878A FR992878A FR1418342A FR 1418342 A FR1418342 A FR 1418342A FR 992878 A FR992878 A FR 992878A FR 992878 A FR992878 A FR 992878A FR 1418342 A FR1418342 A FR 1418342A
Authority
FR
France
Prior art keywords
detector device
heat detector
heat
detector
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
FR992878A
Other languages
French (fr)
Inventor
John Emery Lindberg Jr
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
Priority to FR992878A priority Critical patent/FR1418342A/en
Application granted granted Critical
Publication of FR1418342A publication Critical patent/FR1418342A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • 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
    • G08B17/113—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
FR992878A 1964-10-27 1964-10-27 Heat detector device Expired FR1418342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR992878A FR1418342A (en) 1964-10-27 1964-10-27 Heat detector device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR992878A FR1418342A (en) 1964-10-27 1964-10-27 Heat detector device

Publications (1)

Publication Number Publication Date
FR1418342A true FR1418342A (en) 1965-11-19

Family

ID=8841210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992878A Expired FR1418342A (en) 1964-10-27 1964-10-27 Heat detector device

Country Status (1)

Country Link
FR (1) FR1418342A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465280A1 (en) * 1979-09-07 1981-03-20 Securiton Ag FIRE ALARM INSTALLATION ESPECIALLY FOR A ROAD TUNNEL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465280A1 (en) * 1979-09-07 1981-03-20 Securiton Ag FIRE ALARM INSTALLATION ESPECIALLY FOR A ROAD TUNNEL

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