FR2289015A1 - Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne - Google Patents

Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne

Info

Publication number
FR2289015A1
FR2289015A1 FR7435628A FR7435628A FR2289015A1 FR 2289015 A1 FR2289015 A1 FR 2289015A1 FR 7435628 A FR7435628 A FR 7435628A FR 7435628 A FR7435628 A FR 7435628A FR 2289015 A1 FR2289015 A1 FR 2289015A1
Authority
FR
France
Prior art keywords
alarm
luggage
magnetic field
theft
emitter
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.)
Withdrawn
Application number
FR7435628A
Other languages
English (en)
Inventor
Bernard Cuq
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7435628A priority Critical patent/FR2289015A1/fr
Publication of FR2289015A1 publication Critical patent/FR2289015A1/fr
Withdrawn legal-status Critical Current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
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
FR7435628A 1974-10-24 1974-10-24 Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne Withdrawn FR2289015A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435628A FR2289015A1 (fr) 1974-10-24 1974-10-24 Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435628A FR2289015A1 (fr) 1974-10-24 1974-10-24 Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne

Publications (1)

Publication Number Publication Date
FR2289015A1 true FR2289015A1 (fr) 1976-05-21

Family

ID=9144397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435628A Withdrawn FR2289015A1 (fr) 1974-10-24 1974-10-24 Procede et dispositif pour la detection de l'eloignement d'un objet par rapport a un point donne

Country Status (1)

Country Link
FR (1) FR2289015A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513841A1 (fr) * 1981-09-28 1983-04-01 Telex Communications Appareil auditif de laboratoire pedagogique
WO1986004710A2 (fr) * 1985-02-12 1986-08-14 Radakovic Svaetopluk Dispositif pour deceler immediatement un ecoulement d'urine chez des nourrissons et des petits enfants
WO1994025944A1 (fr) * 1993-04-30 1994-11-10 A & H International Products Appareil de surveillance par detection de la proximite employant des champs magnetiques codes a polarisation orthogonale reciproque, generes de maniere sequentielle
WO1994025943A1 (fr) * 1993-04-30 1994-11-10 A & H International Products Detecteur de proximite employant des champs magnetiques a polarisation orthogonale reciproque, generes de maniere sequentielle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513841A1 (fr) * 1981-09-28 1983-04-01 Telex Communications Appareil auditif de laboratoire pedagogique
WO1986004710A2 (fr) * 1985-02-12 1986-08-14 Radakovic Svaetopluk Dispositif pour deceler immediatement un ecoulement d'urine chez des nourrissons et des petits enfants
WO1986004710A3 (fr) * 1985-02-12 1986-10-09 Svaetopluk Radakovic Dispositif pour deceler immediatement un ecoulement d'urine chez des nourrissons et des petits enfants
WO1994025944A1 (fr) * 1993-04-30 1994-11-10 A & H International Products Appareil de surveillance par detection de la proximite employant des champs magnetiques codes a polarisation orthogonale reciproque, generes de maniere sequentielle
WO1994025943A1 (fr) * 1993-04-30 1994-11-10 A & H International Products Detecteur de proximite employant des champs magnetiques a polarisation orthogonale reciproque, generes de maniere sequentielle

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Legal Events

Date Code Title Description
ST Notification of lapse