EP0208093A3 - Fence with safety wires attached to posts via detectors - Google Patents

Fence with safety wires attached to posts via detectors Download PDF

Info

Publication number
EP0208093A3
EP0208093A3 EP86106644A EP86106644A EP0208093A3 EP 0208093 A3 EP0208093 A3 EP 0208093A3 EP 86106644 A EP86106644 A EP 86106644A EP 86106644 A EP86106644 A EP 86106644A EP 0208093 A3 EP0208093 A3 EP 0208093A3
Authority
EP
European Patent Office
Prior art keywords
fence
security
holder
sensors
posts via
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.)
Granted
Application number
EP86106644A
Other languages
German (de)
Other versions
EP0208093B1 (en
EP0208093A2 (en
Inventor
Manfred Sticksel
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.)
Shorrock Ltd
Original Assignee
KTV SICHERHEITSTECH GmbH
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 KTV SICHERHEITSTECH GmbH filed Critical KTV SICHERHEITSTECH GmbH
Priority to AT86106644T priority Critical patent/ATE80747T1/en
Publication of EP0208093A2 publication Critical patent/EP0208093A2/en
Publication of EP0208093A3 publication Critical patent/EP0208093A3/en
Application granted granted Critical
Publication of EP0208093B1 publication Critical patent/EP0208093B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence

Abstract

A fence having security wires fastened to posts via sensors and having an electronic evaluation circuit connected to the sensors, which releases an alarm signal when one of the sensors signals a contact of the security wire which is connected to it. Each sensor has a housing fastened to a post, a holder connected to a security wire and a transformer placed between housing and holder, which produces a signal which is approximately proportional to the position of the holder. An alarm signal is generated when one or only a few security wires move slowly, yet such slow movements are ignored when caused by environmental factors. A highly reliable security fence is thus obtained.
EP86106644A 1985-07-04 1986-05-15 Fence with safety wires attached to posts via detectors Expired - Lifetime EP0208093B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106644T ATE80747T1 (en) 1985-07-04 1986-05-15 FENCE WITH SAFETY WIRES FIXED TO POSTS VIA SENSORS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3523872 1985-07-04
DE3523872A DE3523872C1 (en) 1985-07-04 1985-07-04 Fence with security wires attached to posts via sensors

Publications (3)

Publication Number Publication Date
EP0208093A2 EP0208093A2 (en) 1987-01-14
EP0208093A3 true EP0208093A3 (en) 1988-05-04
EP0208093B1 EP0208093B1 (en) 1992-09-16

Family

ID=6274908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106644A Expired - Lifetime EP0208093B1 (en) 1985-07-04 1986-05-15 Fence with safety wires attached to posts via detectors

Country Status (6)

Country Link
US (1) US4736194A (en)
EP (1) EP0208093B1 (en)
AT (1) ATE80747T1 (en)
CA (1) CA1266711A (en)
DE (2) DE3523872C1 (en)
ES (1) ES8705664A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007298A1 (en) * 1990-03-08 1991-09-12 Rainer Grimm Monitoring installation for safety fence with tensioned wires - has electromechanical transducer with electronic oscillation circuit of variable frequency
US5392027A (en) * 1991-11-04 1995-02-21 Detek Security Systems, Inc. Full bridge strain gage deflection sensor
US5371488A (en) * 1993-05-27 1994-12-06 Waymax, Inc. Tension sensing security apparatus and method for fencing
US5402367A (en) * 1993-07-19 1995-03-28 Texas Instruments, Incorporated Apparatus and method for model based process control
US5982291A (en) * 1997-03-31 1999-11-09 Williams; Julie A. Electric fence security system
US6087934A (en) * 1997-12-26 2000-07-11 Golab; Thomas Velocity-discriminating cable motion transducer system
US9824841B2 (en) 2015-11-17 2017-11-21 Rockwell Automation Technologies, Inc. Safety switch and associated methods
US10072997B2 (en) 2015-11-17 2018-09-11 Rockwell Automation Technologies, Inc. Safety switch with imbalance test

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413650A1 (en) * 1974-03-21 1975-09-25 Licentia Gmbh Alarm system combined with perimeter fence - uses several parallel horizontal wires strung between posts and fastened to sensors
DE2542544A1 (en) * 1975-09-24 1977-03-31 Licentia Gmbh Multi wire security fence with alarm - has resonating circuit for each wire using sender wire receiver combinations looped together
US4297684A (en) * 1979-03-26 1981-10-27 Honeywell Inc. Fiber optic intruder alarm system
EP0041794A1 (en) * 1980-06-05 1981-12-16 BETA ENGINEERING & DEVELOPMENT LIMITED Intrusion detection system and detectors useful therein

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155083A (en) * 1976-02-19 1979-05-15 N. V. Bekaert S. A. Composite wire and fence made therefrom useful for security purposes
US4124848A (en) * 1977-09-21 1978-11-07 Automation Industries, Inc. Range limited area protection system
CA1116286A (en) * 1979-02-20 1982-01-12 Control Data Canada, Ltd. Perimeter surveillance system
US4591834A (en) * 1983-11-25 1986-05-27 Argus Systems, Inc. Intrusion detecting apparatus with zone identification and with noise interference discrimination

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413650A1 (en) * 1974-03-21 1975-09-25 Licentia Gmbh Alarm system combined with perimeter fence - uses several parallel horizontal wires strung between posts and fastened to sensors
DE2542544A1 (en) * 1975-09-24 1977-03-31 Licentia Gmbh Multi wire security fence with alarm - has resonating circuit for each wire using sender wire receiver combinations looped together
US4297684A (en) * 1979-03-26 1981-10-27 Honeywell Inc. Fiber optic intruder alarm system
EP0041794A1 (en) * 1980-06-05 1981-12-16 BETA ENGINEERING & DEVELOPMENT LIMITED Intrusion detection system and detectors useful therein

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON ACOUSTICS, SPEECH & SIGN. PROC., Band ASSP-27, Nr. 6, Dezember 1979, IEEE, New York, US; K.J. HASS et al.: "On a microcomputer implementation of an intrusion-detection algorithm" *

Also Published As

Publication number Publication date
ES8705664A1 (en) 1987-05-01
EP0208093B1 (en) 1992-09-16
US4736194A (en) 1988-04-05
EP0208093A2 (en) 1987-01-14
DE3523872C1 (en) 1986-09-25
ES555962A0 (en) 1987-05-01
CA1266711A (en) 1990-03-13
DE3686746D1 (en) 1992-10-22
ATE80747T1 (en) 1992-10-15

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