GB1229166A - - Google Patents

Info

Publication number
GB1229166A
GB1229166A GB1229166DA GB1229166A GB 1229166 A GB1229166 A GB 1229166A GB 1229166D A GB1229166D A GB 1229166DA GB 1229166 A GB1229166 A GB 1229166A
Authority
GB
United Kingdom
Prior art keywords
tubes
alarm
wire
burglar
metal
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
English (en)
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
Publication of GB1229166A publication Critical patent/GB1229166A/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
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/126—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a housing, e.g. a box, a safe, or a room

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB1229166D 1969-04-28 1969-04-28 Expired GB1229166A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2157969 1969-04-28

Publications (1)

Publication Number Publication Date
GB1229166A true GB1229166A (enrdf_load_html_response) 1971-04-21

Family

ID=10165289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229166D Expired GB1229166A (enrdf_load_html_response) 1969-04-28 1969-04-28

Country Status (1)

Country Link
GB (1) GB1229166A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497053A1 (fr) * 1980-12-23 1982-06-25 Besson Bernard Systeme de detection et d'alarme incorpore a une cloture
EP0073934A1 (de) * 1981-08-28 1983-03-16 Bauer Kassenfabrik Ag Alarmauslösefähiger Gitterstab

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497053A1 (fr) * 1980-12-23 1982-06-25 Besson Bernard Systeme de detection et d'alarme incorpore a une cloture
EP0073934A1 (de) * 1981-08-28 1983-03-16 Bauer Kassenfabrik Ag Alarmauslösefähiger Gitterstab

Similar Documents

Publication Publication Date Title
CA1023034A (en) Reduction of false alarms in electronic theft detection systems
ZA704145B (en) Ionization fire alarm with insulation monitoring
JPS52119895A (en) Burglar alarm
GB1229166A (enrdf_load_html_response)
IT8309447A0 (it) Dispositivo per sorvegliare ambienti in particolare casseforti e camere di sicurezza,e per generare un segnale di allarme se viene intrapreso un tentativo di effrazione
GB1278646A (en) Protective barrier
CA998134A (en) Defeat resistant burglar alarm contact
GB1244031A (en) Improvements relating to security fences
FR2331280A2 (fr) Cloture de securite
EP0039371A3 (en) Security fence, circuit arrangement and surveillance of the field behind the fence
US20020011930A1 (en) Security barbed wire
CN209543509U (zh) 一种窗户破坏报警装置
GB1289513A (enrdf_load_html_response)
GB1267666A (en) Burglar alarm systems
FR2330090A1 (fr) Dispositif automatique d'alarme pour la signalisation de mouvements ebouleux du terrain
JPS52153399A (en) Wire type intrusion alert switch
AU470813B2 (en) Ionization fire alarm with insulation monitoring
AU1648370A (en) Ionization fire alarm with insulation monitoring
DE800044C (de) Selbsttaetige Einbruch-Meldeanlage
JPS5376794A (en) Receiver of firm alarm system
GB1548526A (en) Burglar and fire alarm detection circuit monitor
GB1200341A (en) Improvements in burglar or intruder alarms
FR2390782A1 (fr) Paroi anti-effraction
GB1203936A (en) Improvements in and relating to perimeter protection systems
FR2300377A1 (fr) Installation de securite des moyens d'alarme et de lutte contre l'incendie

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee