FR486018A - Improvements to fire alarm cables - Google Patents

Improvements to fire alarm cables

Info

Publication number
FR486018A
FR486018A FR486018DA FR486018A FR 486018 A FR486018 A FR 486018A FR 486018D A FR486018D A FR 486018DA FR 486018 A FR486018 A FR 486018A
Authority
FR
France
Prior art keywords
fire alarm
alarm cables
cables
fire
alarm
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
Charles August Harsch
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR486018A publication Critical patent/FR486018A/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)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR486018D 1917-06-28 1917-07-02 Improvements to fire alarm cables Expired FR486018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB931717A GB112239A (en) 1917-06-28 1917-06-28 Improvements in Fire Detecting Wires for Electric Circuits.

Publications (1)

Publication Number Publication Date
FR486018A true FR486018A (en) 1918-03-05

Family

ID=32247172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486018D Expired FR486018A (en) 1917-06-28 1917-07-02 Improvements to fire alarm cables

Country Status (2)

Country Link
FR (1) FR486018A (en)
GB (1) GB112239A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100416616C (en) * 2005-11-14 2008-09-03 ζŽεˆšθΏ› Fire detecting cable based on memory alloy wire and pressure-sensing conductive rubber and alarm method

Also Published As

Publication number Publication date
GB112239A (en) 1918-01-03

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