FR757528A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR757528A
FR757528A FR757528DA FR757528A FR 757528 A FR757528 A FR 757528A FR 757528D A FR757528D A FR 757528DA FR 757528 A FR757528 A FR 757528A
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)
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR757528A publication Critical patent/FR757528A/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)
FR757528D 1932-09-27 1932-09-27 Fire alarm device Expired FR757528A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR757528T 1932-09-27

Publications (1)

Publication Number Publication Date
FR757528A true FR757528A (en) 1933-12-28

Family

ID=9166178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757528D Expired FR757528A (en) 1932-09-27 1932-09-27 Fire alarm device

Country Status (1)

Country Link
FR (1) FR757528A (en)

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