FR906870A - Improvements in electrical fire signaling devices and the like - Google Patents

Improvements in electrical fire signaling devices and the like

Info

Publication number
FR906870A
FR906870A FR906870DA FR906870A FR 906870 A FR906870 A FR 906870A FR 906870D A FR906870D A FR 906870DA FR 906870 A FR906870 A FR 906870A
Authority
FR
France
Prior art keywords
signaling devices
electrical fire
fire signaling
electrical
devices
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
Other languages
French (fr)
Inventor
Marie-Paul-Jacques Martin
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.)
CIE FRANCAISE DU SIGNUM
Original Assignee
CIE FRANCAISE DU SIGNUM
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 CIE FRANCAISE DU SIGNUM filed Critical CIE FRANCAISE DU SIGNUM
Application granted granted Critical
Publication of FR906870A publication Critical patent/FR906870A/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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR906870D 1944-08-31 1944-08-31 Improvements in electrical fire signaling devices and the like Expired FR906870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR906870T 1944-08-31

Publications (1)

Publication Number Publication Date
FR906870A true FR906870A (en) 1946-02-22

Family

ID=9405935

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906870D Expired FR906870A (en) 1944-08-31 1944-08-31 Improvements in electrical fire signaling devices and the like

Country Status (1)

Country Link
FR (1) FR906870A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1005877B (en) * 1953-02-14 1957-04-04 Ericsson Telefon Ab L M Automatic fire alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1005877B (en) * 1953-02-14 1957-04-04 Ericsson Telefon Ab L M Automatic fire alarm system

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