FR720237A - Electro-mechanical alarm system with automatic actuation - Google Patents

Electro-mechanical alarm system with automatic actuation

Info

Publication number
FR720237A
FR720237A FR720237DA FR720237A FR 720237 A FR720237 A FR 720237A FR 720237D A FR720237D A FR 720237DA FR 720237 A FR720237 A FR 720237A
Authority
FR
France
Prior art keywords
electro
alarm system
automatic actuation
mechanical alarm
mechanical
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
Antonio Marban
Oliverio Palacio
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 FR720237A publication Critical patent/FR720237A/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
FR720237D 1930-06-23 1931-06-23 Electro-mechanical alarm system with automatic actuation Expired FR720237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES720237X 1930-06-23

Publications (1)

Publication Number Publication Date
FR720237A true FR720237A (en) 1932-02-17

Family

ID=8246245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720237D Expired FR720237A (en) 1930-06-23 1931-06-23 Electro-mechanical alarm system with automatic actuation

Country Status (1)

Country Link
FR (1) FR720237A (en)

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