FR2397689A1 - Installation de securite - Google Patents

Installation de securite

Info

Publication number
FR2397689A1
FR2397689A1 FR7722824A FR7722824A FR2397689A1 FR 2397689 A1 FR2397689 A1 FR 2397689A1 FR 7722824 A FR7722824 A FR 7722824A FR 7722824 A FR7722824 A FR 7722824A FR 2397689 A1 FR2397689 A1 FR 2397689A1
Authority
FR
France
Prior art keywords
conductor wire
art
protected
alarm circuit
wire attached
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
FR7722824A
Other languages
English (en)
Other versions
FR2397689B3 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7722824A priority Critical patent/FR2397689A1/fr
Publication of FR2397689A1 publication Critical patent/FR2397689A1/fr
Application granted granted Critical
Publication of FR2397689B3 publication Critical patent/FR2397689B3/fr
Granted 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

La présente invention est relative à une installation de sécurité comprenant au moins un élément conducteur, tel qu'un fil, associé à chaque objet à protéger, un circuit électrique, dans lequel sont intégrés les éléments susdits, pour détecter toute action mécanique ou électrique sur l'un des éléments ou sur le circuit et un dispositif d'alarme commandé par ce circuit Cette installation comprend une résistance électrique raccordée au fil conducteur précité qui fait partie du circuit électrique susdit, ce dernier étant agencé pour détecter toute modification de résistance de la branche du circuit comprenant le fil L'invention est à appliquer en particulier dans le domaine de la protection d'oeuvres d'art, en particulier de tableaux, et d'enceintes renfermant des valeurs.
FR7722824A 1977-07-13 1977-07-13 Installation de securite Granted FR2397689A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7722824A FR2397689A1 (fr) 1977-07-13 1977-07-13 Installation de securite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7722824A FR2397689A1 (fr) 1977-07-13 1977-07-13 Installation de securite

Publications (2)

Publication Number Publication Date
FR2397689A1 true FR2397689A1 (fr) 1979-02-09
FR2397689B3 FR2397689B3 (fr) 1980-06-06

Family

ID=9193770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7722824A Granted FR2397689A1 (fr) 1977-07-13 1977-07-13 Installation de securite

Country Status (1)

Country Link
FR (1) FR2397689A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458241A (en) * 1981-09-01 1984-07-03 Psi Limited Device for protecting works of art
WO2020165546A1 (fr) 2019-02-14 2020-08-20 Genius Objects Système de surveillance
FR3092941A1 (fr) * 2019-02-14 2020-08-21 Genius Objects Système de surveillance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458241A (en) * 1981-09-01 1984-07-03 Psi Limited Device for protecting works of art
WO2020165546A1 (fr) 2019-02-14 2020-08-20 Genius Objects Système de surveillance
FR3092941A1 (fr) * 2019-02-14 2020-08-21 Genius Objects Système de surveillance

Also Published As

Publication number Publication date
FR2397689B3 (fr) 1980-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse