FR624831A - Automatic fire alarm - Google Patents

Automatic fire alarm

Info

Publication number
FR624831A
FR624831A FR624831DA FR624831A FR 624831 A FR624831 A FR 624831A FR 624831D A FR624831D A FR 624831DA FR 624831 A FR624831 A FR 624831A
Authority
FR
France
Prior art keywords
fire alarm
automatic fire
automatic
alarm
fire
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)
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 FR624831A publication Critical patent/FR624831A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G01K3/12—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature based upon expansion or contraction of materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
FR624831D 1926-11-19 1926-11-19 Automatic fire alarm Expired FR624831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR624831T 1926-11-19

Publications (1)

Publication Number Publication Date
FR624831A true FR624831A (en) 1927-07-27

Family

ID=8987329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR624831D Expired FR624831A (en) 1926-11-19 1926-11-19 Automatic fire alarm

Country Status (2)

Country Link
FR (1) FR624831A (en)
GB (1) GB287813A (en)

Also Published As

Publication number Publication date
GB287813A (en) 1928-03-29

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