FR528428A - Appareil avertisseur d'effraction - Google Patents

Appareil avertisseur d'effraction

Info

Publication number
FR528428A
FR528428A FR528428A FR528428DA FR528428A FR 528428 A FR528428 A FR 528428A FR 528428 A FR528428 A FR 528428A FR 528428D A FR528428D A FR 528428DA FR 528428 A FR528428 A FR 528428A
Authority
FR
France
Prior art keywords
alarm device
burglar alarm
burglar
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
FR528428A
Other languages
English (en)
Inventor
Regis Sejalon
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.)
REGIS SEJALON
Original Assignee
REGIS SEJALON
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 REGIS SEJALON filed Critical REGIS SEJALON
Application granted granted Critical
Publication of FR528428A publication Critical patent/FR528428A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration
FR528428A 1920-12-11 1920-12-11 Appareil avertisseur d'effraction Expired FR528428A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR528428T 1920-12-11

Publications (1)

Publication Number Publication Date
FR528428A true FR528428A (fr) 1921-11-12

Family

ID=8922027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528428A Expired FR528428A (fr) 1920-12-11 1920-12-11 Appareil avertisseur d'effraction

Country Status (1)

Country Link
FR (1) FR528428A (fr)

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