ZA741680B - An alarm system - Google Patents

An alarm system

Info

Publication number
ZA741680B
ZA741680B ZA00741680A ZA741680A ZA741680B ZA 741680 B ZA741680 B ZA 741680B ZA 00741680 A ZA00741680 A ZA 00741680A ZA 741680 A ZA741680 A ZA 741680A ZA 741680 B ZA741680 B ZA 741680B
Authority
ZA
South Africa
Prior art keywords
alarm system
alarm
Prior art date
Application number
ZA00741680A
Inventor
S Marshall
Original Assignee
S Marshall
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 S Marshall filed Critical S Marshall
Publication of ZA741680B publication Critical patent/ZA741680B/en

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
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1445—Mechanical actuation by lifting or attempted removal of hand-portable articles with detection of interference with a cable tethering an article, e.g. alarm activated by detecting detachment of article, breaking or stretching of cable
    • G08B13/1454—Circuit arrangements thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
ZA00741680A 1973-03-14 1974-03-14 An alarm system ZA741680B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34110973A 1973-03-14 1973-03-14

Publications (1)

Publication Number Publication Date
ZA741680B true ZA741680B (en) 1975-06-25

Family

ID=23336278

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741680A ZA741680B (en) 1973-03-14 1974-03-14 An alarm system

Country Status (6)

Country Link
JP (1) JPS50141297A (en)
AU (1) AU6649874A (en)
DE (1) DE2412145A1 (en)
FR (1) FR2221769A1 (en)
IL (1) IL44404A0 (en)
ZA (1) ZA741680B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517712C2 (en) * 1975-04-22 1984-07-19 Werner 7080 Aalen Jagielski Device for securing goods
EP0116701B1 (en) * 1983-01-26 1987-06-03 OTT, Reinhold Anti-theft device
DE3422225A1 (en) * 1984-06-15 1985-12-19 Tele-Security-Foto Überwachungsanlagen GmbH, 6794 Brücken MONITORING SYSTEM
DE8805281U1 (en) * 1988-04-21 1989-04-13 Zander, Hans, 4836 Herzebrock Fuse adapter

Also Published As

Publication number Publication date
DE2412145A1 (en) 1974-10-24
JPS50141297A (en) 1975-11-13
AU6649874A (en) 1975-09-11
FR2221769A1 (en) 1974-10-11
IL44404A0 (en) 1974-06-30

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