ES8502828A1 - Perfeccionamientos en las disposiciones de circuitos para contar y repartir impulsos de computo - Google Patents

Perfeccionamientos en las disposiciones de circuitos para contar y repartir impulsos de computo

Info

Publication number
ES8502828A1
ES8502828A1 ES530737A ES530737A ES8502828A1 ES 8502828 A1 ES8502828 A1 ES 8502828A1 ES 530737 A ES530737 A ES 530737A ES 530737 A ES530737 A ES 530737A ES 8502828 A1 ES8502828 A1 ES 8502828A1
Authority
ES
Spain
Prior art keywords
telephone line
taxation
impulses
circuital arrangement
pertaining
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
ES530737A
Other languages
English (en)
Other versions
ES530737A0 (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.)
Italtel SpA
Original Assignee
Italtel SpA
Italtel Societa Italiana Telecomunicazioni SpA
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 Italtel SpA, Italtel Societa Italiana Telecomunicazioni SpA filed Critical Italtel SpA
Publication of ES8502828A1 publication Critical patent/ES8502828A1/es
Publication of ES530737A0 publication Critical patent/ES530737A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/673—Preventing unauthorised calls from a telephone set by electronic means the user being required to key in a code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/34—Charging, billing or metering arrangements for private branch exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
  • Telephone Function (AREA)

Abstract

PERFECCIONAMIENTOS EN LAS DISPOSICIONES DE CIRCUITOS PARA CONTAR Y REPARTIR IMPULSOS DE COMPUTO.CONSISTENTES EN UN FILTRO PASA BANDA (PB1), COLOCADO SOBRE LA FRECUENCIA (F1) DE LOS IMPULSOS DE COMPUTO, Y CONECTADO EN PARALELO EN EL TERMINAL TELEFONICO (TL); UN CIRCUITO (RI) PARA EL RECONOCIMIENTO DE LOS IMPULSOS DE COMPUTO; UN CIRCUITO DE INHIBICION (CI) PARA DEJAR DISPONIBLE UNA SEN/AL (S) QUE INDICA UN NIVEL DE ESTADO EN LA LINEA TELEFONICA; UNA UNIDAD LOGICA PARA: A) MEMORIZAR UN NUMERO DE PREFIJOS DE IDENTIFICACION; B) HABILITAR LA PUESTA EN FUNCIONAMIENTO DE (CI); C) RECONSTRUIR LAS CIFRAS SELECCIONADAS POR EL USUARIO; D) DESACTIVAR A (CI); E) HACER LLEGAR A UN ELEMENTO DE MEMORIA LOS IMPULSOS DISPONIBLES DEL (RI); Y UNA UNIDAD DE ALIMENTACION PARA SACAR ENERGIA DE LA LINEA TELEFONICA.
ES530737A 1983-03-21 1984-03-16 Perfeccionamientos en las disposiciones de circuitos para contar y repartir impulsos de computo Granted ES530737A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8320174A IT1212715B (it) 1983-03-21 1983-03-21 Disposizione circuitale per il conteggio e la ripartizione degli impulsi di tassazione che competono ad una generica linea telefonica.

Publications (2)

Publication Number Publication Date
ES8502828A1 true ES8502828A1 (es) 1985-02-01
ES530737A0 ES530737A0 (es) 1985-02-01

Family

ID=11164416

Family Applications (1)

Application Number Title Priority Date Filing Date
ES530737A Granted ES530737A0 (es) 1983-03-21 1984-03-16 Perfeccionamientos en las disposiciones de circuitos para contar y repartir impulsos de computo

Country Status (4)

Country Link
EP (1) EP0123330A3 (es)
DE (1) DE123330T1 (es)
ES (1) ES530737A0 (es)
IT (1) IT1212715B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT397447B (de) * 1986-11-06 1994-04-25 Schrack Elektronik Ag Digitale nebenstellenanlage mit fernsprechgebührenübertragung
DE4417413C1 (de) * 1994-05-18 1995-06-01 Siemens Ag Schaltungsanordnung zur Pegelbegrenzung von Gebührenimpulsen

Also Published As

Publication number Publication date
IT8320174A0 (it) 1983-03-21
DE123330T1 (de) 1985-03-07
EP0123330A3 (en) 1986-02-05
ES530737A0 (es) 1985-02-01
IT1212715B (it) 1989-11-30
EP0123330A2 (en) 1984-10-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981001