BE879337A - SAFETY FENCE WITH ALARM DEVICE - Google Patents

SAFETY FENCE WITH ALARM DEVICE

Info

Publication number
BE879337A
BE879337A BE2/58127A BE2058127A BE879337A BE 879337 A BE879337 A BE 879337A BE 2/58127 A BE2/58127 A BE 2/58127A BE 2058127 A BE2058127 A BE 2058127A BE 879337 A BE879337 A BE 879337A
Authority
BE
Belgium
Prior art keywords
alarm device
safety fence
fence
safety
alarm
Prior art date
Application number
BE2/58127A
Other languages
French (fr)
Original Assignee
Dornemann Carola Eps Malkmus D
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 Dornemann Carola Eps Malkmus D filed Critical Dornemann Carola Eps Malkmus D
Publication of BE879337A publication Critical patent/BE879337A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fencing (AREA)
  • Burglar Alarm Systems (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
BE2/58127A 1978-10-14 1979-10-11 SAFETY FENCE WITH ALARM DEVICE BE879337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19787830696 DE7830696U1 (en) 1978-10-14 1978-10-14 FENCE POST TRAINED AS A HOLLOW POST

Publications (1)

Publication Number Publication Date
BE879337A true BE879337A (en) 1980-02-01

Family

ID=6696043

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58127A BE879337A (en) 1978-10-14 1979-10-11 SAFETY FENCE WITH ALARM DEVICE

Country Status (5)

Country Link
BE (1) BE879337A (en)
CH (1) CH642135A5 (en)
DE (1) DE7830696U1 (en)
FR (1) FR2438725A1 (en)
GB (1) GB2033122B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312966A1 (en) * 1983-04-11 1984-10-11 Kraftwerk Union AG, 4330 Mülheim MONITORABLE LOCK
CH696284A5 (en) * 2005-06-08 2007-03-15 F Ili Albertolli S A intrusion device for fences.
CH699852B1 (en) * 2008-11-12 2013-09-13 Flii Albertolli Sa Anti-intrusion device for fences.
WO2015181824A1 (en) * 2014-05-27 2015-12-03 Bin Uriel Electronic welded mesh fence

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825223C (en) * 1950-06-29 1951-12-17 Franz Alois Meiners Barrier fence with electrically operated alarm device
US3803548A (en) * 1971-08-18 1974-04-09 Us Army Fence tampering alarm system
DE2413650B2 (en) * 1974-03-21 1976-03-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt FENCE WITH ALARM

Also Published As

Publication number Publication date
CH642135A5 (en) 1984-03-30
FR2438725B1 (en) 1983-08-26
GB2033122B (en) 1983-02-02
FR2438725A1 (en) 1980-05-09
GB2033122A (en) 1980-05-14
DE7830696U1 (en) 1979-02-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DORNEMANN CAROLA EPS. MALKMUS-DORNEMANN

Effective date: 19951031