FR406417A - Tamper-proof alarm buzzer - Google Patents

Tamper-proof alarm buzzer

Info

Publication number
FR406417A
FR406417A FR406417DA FR406417A FR 406417 A FR406417 A FR 406417A FR 406417D A FR406417D A FR 406417DA FR 406417 A FR406417 A FR 406417A
Authority
FR
France
Prior art keywords
tamper
alarm buzzer
proof alarm
proof
buzzer
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
Andre-Georges-Marcel Cathiard
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.)
ANDRE GEORGES MARCEL CATHIARD
Original Assignee
ANDRE GEORGES MARCEL CATHIARD
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 ANDRE GEORGES MARCEL CATHIARD filed Critical ANDRE GEORGES MARCEL CATHIARD
Application granted granted Critical
Publication of FR406417A publication Critical patent/FR406417A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR406417D 1908-12-07 1908-12-07 Tamper-proof alarm buzzer Expired FR406417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR406417T 1908-12-07

Publications (1)

Publication Number Publication Date
FR406417A true FR406417A (en) 1910-01-29

Family

ID=1450815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR406417D Expired FR406417A (en) 1908-12-07 1908-12-07 Tamper-proof alarm buzzer

Country Status (1)

Country Link
FR (1) FR406417A (en)

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