FR544034A - Theft and fire warning device - Google Patents

Theft and fire warning device

Info

Publication number
FR544034A
FR544034A FR544034DA FR544034A FR 544034 A FR544034 A FR 544034A FR 544034D A FR544034D A FR 544034DA FR 544034 A FR544034 A FR 544034A
Authority
FR
France
Prior art keywords
theft
warning device
fire warning
fire
warning
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
Louis Gomez-Vaez
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 FR544034A publication Critical patent/FR544034A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR544034D 1921-11-30 1921-11-30 Theft and fire warning device Expired FR544034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR544034T 1921-11-30

Publications (1)

Publication Number Publication Date
FR544034A true FR544034A (en) 1922-09-13

Family

ID=8932004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR544034D Expired FR544034A (en) 1921-11-30 1921-11-30 Theft and fire warning device

Country Status (1)

Country Link
FR (1) FR544034A (en)

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