FR589700A - Improvements to fire alarm devices - Google Patents

Improvements to fire alarm devices

Info

Publication number
FR589700A
FR589700A FR589700DA FR589700A FR 589700 A FR589700 A FR 589700A FR 589700D A FR589700D A FR 589700DA FR 589700 A FR589700 A FR 589700A
Authority
FR
France
Prior art keywords
fire alarm
alarm devices
devices
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.)
Thermosonus SA
Original Assignee
Thermosonus 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 Thermosonus SA filed Critical Thermosonus SA
Application granted granted Critical
Publication of FR589700A publication Critical patent/FR589700A/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
FR589700D 1924-11-27 1924-11-27 Improvements to fire alarm devices Expired FR589700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR589700T 1924-11-27

Publications (1)

Publication Number Publication Date
FR589700A true FR589700A (en) 1925-06-03

Family

ID=8962915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR589700D Expired FR589700A (en) 1924-11-27 1924-11-27 Improvements to fire alarm devices

Country Status (1)

Country Link
FR (1) FR589700A (en)

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