FR2408875A1 - Detecteur d'intrusion - Google Patents

Detecteur d'intrusion

Info

Publication number
FR2408875A1
FR2408875A1 FR7728579A FR7728579A FR2408875A1 FR 2408875 A1 FR2408875 A1 FR 2408875A1 FR 7728579 A FR7728579 A FR 7728579A FR 7728579 A FR7728579 A FR 7728579A FR 2408875 A1 FR2408875 A1 FR 2408875A1
Authority
FR
France
Prior art keywords
foreign body
emission signal
intrusion detector
propagation
place
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
FR7728579A
Other languages
English (en)
Other versions
FR2408875B1 (fr
Inventor
Jean-Louis Aimar
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.)
SEVE
Original Assignee
SEVE
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 SEVE filed Critical SEVE
Priority to FR7728579A priority Critical patent/FR2408875A1/fr
Publication of FR2408875A1 publication Critical patent/FR2408875A1/fr
Application granted granted Critical
Publication of FR2408875B1 publication Critical patent/FR2408875B1/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
    • G08B13/22—Electrical actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

DETECTEUR D'INTRUSION. IL EST CARACTERISE EN CE QU'IL CONSISTE A PRODUIRE UN SIGNAL D'EMISSION SENSIBLE A LA PRESENCE DU CORPS ETRANGER, A SUPERPOSER DIRECTEMENT LEDIT SIGNAL D'EMISSION AU SIGNAL DU RESEAU ELECTRIQUE, NOTAMMENT CELUI SE PROPAGEANT DANS LES LIGNES D'UNE INSTALLATION ELECTRIQUE POUR L'ECLAIRAGE DU LIEU A PROTEGER, A DETECTER ET RECEVOIR EN UN AUTRE ENDROIT DUDIT RESEAU ELECTRIQUE LA PROPAGATION OU L'ABSENCE DE PROPAGATION DUDIT SIGNAL D'EMISSION ET A DECLENCHER UNE ALARME INDIQUANT LA PRESENCE DU CORPS ETRANGER DETECTE. APPLICATIONS AUX DISPOSITIFS DE DETECTION DE CORPS ETRANGERS DANS DES LOCAUX A PROTEGER.
FR7728579A 1977-09-22 1977-09-22 Detecteur d'intrusion Granted FR2408875A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7728579A FR2408875A1 (fr) 1977-09-22 1977-09-22 Detecteur d'intrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7728579A FR2408875A1 (fr) 1977-09-22 1977-09-22 Detecteur d'intrusion

Publications (2)

Publication Number Publication Date
FR2408875A1 true FR2408875A1 (fr) 1979-06-08
FR2408875B1 FR2408875B1 (fr) 1980-06-06

Family

ID=9195657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728579A Granted FR2408875A1 (fr) 1977-09-22 1977-09-22 Detecteur d'intrusion

Country Status (1)

Country Link
FR (1) FR2408875A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631433A (en) * 1969-09-15 1971-12-28 Fire Protection Co Detection and alarm system
US3633199A (en) * 1969-10-02 1972-01-04 Stephen M Curry Appliance theft prevention alarm system
US3886534A (en) * 1973-01-08 1975-05-27 Polar Corp Security system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631433A (en) * 1969-09-15 1971-12-28 Fire Protection Co Detection and alarm system
US3633199A (en) * 1969-10-02 1972-01-04 Stephen M Curry Appliance theft prevention alarm system
US3886534A (en) * 1973-01-08 1975-05-27 Polar Corp Security system

Also Published As

Publication number Publication date
FR2408875B1 (fr) 1980-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse