FR851623A - Fire alarm device with thermostatic detector - Google Patents

Fire alarm device with thermostatic detector

Info

Publication number
FR851623A
FR851623A FR851623DA FR851623A FR 851623 A FR851623 A FR 851623A FR 851623D A FR851623D A FR 851623DA FR 851623 A FR851623 A FR 851623A
Authority
FR
France
Prior art keywords
alarm device
fire alarm
thermostatic
detector
thermostatic detector
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
Edwin Winfield
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 FR851623A publication Critical patent/FR851623A/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)
FR851623D 1939-03-15 1939-03-15 Fire alarm device with thermostatic detector Expired FR851623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851623T 1939-03-15

Publications (1)

Publication Number Publication Date
FR851623A true FR851623A (en) 1940-01-12

Family

ID=9324409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851623D Expired FR851623A (en) 1939-03-15 1939-03-15 Fire alarm device with thermostatic detector

Country Status (1)

Country Link
FR (1) FR851623A (en)

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