FR729087A - Automatic differential and maximum fire alarm - Google Patents

Automatic differential and maximum fire alarm

Info

Publication number
FR729087A
FR729087A FR729087DA FR729087A FR 729087 A FR729087 A FR 729087A FR 729087D A FR729087D A FR 729087DA FR 729087 A FR729087 A FR 729087A
Authority
FR
France
Prior art keywords
fire alarm
automatic differential
maximum fire
maximum
differential
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.)
CIE FRANCAISE DU SIGNUM
Original Assignee
CIE FRANCAISE DU SIGNUM
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 CIE FRANCAISE DU SIGNUM filed Critical CIE FRANCAISE DU SIGNUM
Application granted granted Critical
Publication of FR729087A publication Critical patent/FR729087A/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)
FR729087D 1931-12-30 1931-12-30 Automatic differential and maximum fire alarm Expired FR729087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR729087T 1931-12-30

Publications (1)

Publication Number Publication Date
FR729087A true FR729087A (en) 1932-07-18

Family

ID=9112231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729087D Expired FR729087A (en) 1931-12-30 1931-12-30 Automatic differential and maximum fire alarm

Country Status (1)

Country Link
FR (1) FR729087A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934635C (en) * 1951-03-02 1955-10-27 Paul Baertl Temperature gradient indicator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934635C (en) * 1951-03-02 1955-10-27 Paul Baertl Temperature gradient indicator

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