FR34398E - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR34398E
FR34398E FR34398DA FR34398E FR 34398 E FR34398 E FR 34398E FR 34398D A FR34398D A FR 34398DA FR 34398 E FR34398 E FR 34398E
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
Henry Fournier
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 FR34398E publication Critical patent/FR34398E/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)
FR34398D 1927-11-08 1927-11-08 Fire alarm device Expired FR34398E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR34398T 1927-11-08

Publications (1)

Publication Number Publication Date
FR34398E true FR34398E (en) 1929-06-18

Family

ID=8671973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR34398D Expired FR34398E (en) 1927-11-08 1927-11-08 Fire alarm device

Country Status (1)

Country Link
FR (1) FR34398E (en)

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