ES8700521A1 - Perfeccionamiento para lineas de vigilancia - Google Patents

Perfeccionamiento para lineas de vigilancia

Info

Publication number
ES8700521A1
ES8700521A1 ES538450A ES538450A ES8700521A1 ES 8700521 A1 ES8700521 A1 ES 8700521A1 ES 538450 A ES538450 A ES 538450A ES 538450 A ES538450 A ES 538450A ES 8700521 A1 ES8700521 A1 ES 8700521A1
Authority
ES
Spain
Prior art keywords
surveillance
translation
line
machine
legally binding
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
ES538450A
Other languages
English (en)
Other versions
ES538450A0 (es
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 ES538450A priority Critical patent/ES8700521A1/es
Publication of ES8700521A1 publication Critical patent/ES8700521A1/es
Publication of ES538450A0 publication Critical patent/ES538450A0/es
Expired legal-status Critical Current

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

LINEAS DE VIGILANCIA PARA SISTEMAS DE ALARMA. CARACTERIZADA POR DISPONER, EN PARALELO CON DICHAS LINEAS, UNA LINEA AUXILIAR QUE ESTA COMUNICADA CON LA CORRESPONDIENTE LINEA DE VIGILANCIA, MEDIANTE PARES DE DIODOS ZENER EN SERIE (A, B) Y CON POLARIDADES EN OPOSICION, ESTANDO, LOS VALORES DE LA TENSION ZENER DE LOS DIODOS, ESCALONADOS A LO LARGO DE LA INSTALACION, SIENDO DICHOS VALORES CRECIENTES DE UN EXTREMO A OTRO DE LA INSTALACION; PORQUE SI SE PRODUCE UN CORTE EN DICHA LINEA EL SISTEMA DEJA DE SER OPERATIVO; PORQUE EL NUCLEO DE ESTE SISTEMA ES UNA LINEA DE VIGILANCIA CUYA IMPEDANCIA CAMBIA DE FORMA CARACTERISTICA AL PRODUCIRSE UNA INCIDENCIA. DE APLICACION EN LA DETECCION Y LOCALIZACION DE SABOTAJES EN INSTALACIONES DE SEGURIDAD.
ES538450A 1984-12-10 1984-12-10 Perfeccionamiento para lineas de vigilancia Expired ES8700521A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES538450A ES8700521A1 (es) 1984-12-10 1984-12-10 Perfeccionamiento para lineas de vigilancia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES538450A ES8700521A1 (es) 1984-12-10 1984-12-10 Perfeccionamiento para lineas de vigilancia

Publications (2)

Publication Number Publication Date
ES8700521A1 true ES8700521A1 (es) 1986-09-16
ES538450A0 ES538450A0 (es) 1986-09-16

Family

ID=8488289

Family Applications (1)

Application Number Title Priority Date Filing Date
ES538450A Expired ES8700521A1 (es) 1984-12-10 1984-12-10 Perfeccionamiento para lineas de vigilancia

Country Status (1)

Country Link
ES (1) ES8700521A1 (es)

Also Published As

Publication number Publication date
ES538450A0 (es) 1986-09-16

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