FR2281611A1 - Dispositif de surveillance d'une pression pour une installation d'alarme en cas d'incendie - Google Patents

Dispositif de surveillance d'une pression pour une installation d'alarme en cas d'incendie

Info

Publication number
FR2281611A1
FR2281611A1 FR7520757A FR7520757A FR2281611A1 FR 2281611 A1 FR2281611 A1 FR 2281611A1 FR 7520757 A FR7520757 A FR 7520757A FR 7520757 A FR7520757 A FR 7520757A FR 2281611 A1 FR2281611 A1 FR 2281611A1
Authority
FR
France
Prior art keywords
pressure
cct
comparator
fire alarm
aneroid
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
FR7520757A
Other languages
English (en)
French (fr)
Other versions
FR2281611B1 (OSRAM
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.)
Securiton AG
Original Assignee
Securiton AG
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 Securiton AG filed Critical Securiton AG
Publication of FR2281611A1 publication Critical patent/FR2281611A1/fr
Application granted granted Critical
Publication of FR2281611B1 publication Critical patent/FR2281611B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Fluid Pressure (AREA)
  • Fire Alarms (AREA)
FR7520757A 1974-08-09 1975-07-02 Dispositif de surveillance d'une pression pour une installation d'alarme en cas d'incendie Granted FR2281611A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1094274A CH594945A5 (OSRAM) 1974-08-09 1974-08-09

Publications (2)

Publication Number Publication Date
FR2281611A1 true FR2281611A1 (fr) 1976-03-05
FR2281611B1 FR2281611B1 (OSRAM) 1977-07-08

Family

ID=4368444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520757A Granted FR2281611A1 (fr) 1974-08-09 1975-07-02 Dispositif de surveillance d'une pression pour une installation d'alarme en cas d'incendie

Country Status (5)

Country Link
AT (1) AT348383B (OSRAM)
CH (1) CH594945A5 (OSRAM)
DE (1) DE2442698B2 (OSRAM)
FR (1) FR2281611A1 (OSRAM)
IT (1) IT1033826B (OSRAM)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
CH594945A5 (OSRAM) 1978-01-31
AT348383B (de) 1979-02-12
DE2442698A1 (de) 1976-02-19
DE2442698B2 (de) 1976-08-19
ATA538575A (de) 1978-06-15
FR2281611B1 (OSRAM) 1977-07-08
IT1033826B (it) 1979-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse