FR616567A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR616567A
FR616567A FR616567DA FR616567A FR 616567 A FR616567 A FR 616567A FR 616567D A FR616567D A FR 616567DA FR 616567 A FR616567 A FR 616567A
Authority
FR
France
Prior art keywords
alarm device
fire alarm
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
Andre-Eugene Delalande
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
Application granted granted Critical
Publication of FR616567A publication Critical patent/FR616567A/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)
FR616567D 1925-09-21 1925-09-21 Fire alarm device Expired FR616567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR616567T 1925-09-21

Publications (1)

Publication Number Publication Date
FR616567A true FR616567A (en) 1927-02-04

Family

ID=8981674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616567D Expired FR616567A (en) 1925-09-21 1925-09-21 Fire alarm device

Country Status (1)

Country Link
FR (1) FR616567A (en)

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