FR776014A - Contact device, in particular for alarm signals - Google Patents

Contact device, in particular for alarm signals

Info

Publication number
FR776014A
FR776014A FR776014DA FR776014A FR 776014 A FR776014 A FR 776014A FR 776014D A FR776014D A FR 776014DA FR 776014 A FR776014 A FR 776014A
Authority
FR
France
Prior art keywords
contact device
alarm signals
alarm
signals
contact
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
Charles Braun
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 FR776014A publication Critical patent/FR776014A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR776014D 1934-07-16 1934-07-16 Contact device, in particular for alarm signals Expired FR776014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR776014T 1934-07-16

Publications (1)

Publication Number Publication Date
FR776014A true FR776014A (en) 1935-01-15

Family

ID=9200799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR776014D Expired FR776014A (en) 1934-07-16 1934-07-16 Contact device, in particular for alarm signals

Country Status (1)

Country Link
FR (1) FR776014A (en)

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