ES149488A1 - Perfeccionamientos en sistemas telefonicos - Google Patents

Perfeccionamientos en sistemas telefonicos

Info

Publication number
ES149488A1
ES149488A1 ES0149488A ES149488A ES149488A1 ES 149488 A1 ES149488 A1 ES 149488A1 ES 0149488 A ES0149488 A ES 0149488A ES 149488 A ES149488 A ES 149488A ES 149488 A1 ES149488 A1 ES 149488A1
Authority
ES
Spain
Prior art keywords
telephone systems
devices
call
numerator
digits
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
ES0149488A
Other languages
English (en)
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Publication of ES149488A1 publication Critical patent/ES149488A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

Perfeccionamientos en sistemas telefónicoscaracterizados esencialmente por comprender una pluralidad de redes o zonascada una de las cualestiene un sistema propio numerador empalmado a la mismaen el que en una estación central o subcentral seleccionada en la zona llamanteque puede ser una estación principalhay previstos dispositivos determinadores de rutamediante los cualesson determinados los dígitos controladores de rutaque controlan el establecimiento de una llamaday dispositivos para registrar detalles de una llamada.
ES0149488A 1939-05-05 1940-04-30 Perfeccionamientos en sistemas telefonicos Expired ES149488A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1353839A GB528971A (en) 1939-05-05 1939-05-05 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
ES149488A1 true ES149488A1 (es) 1943-06-01

Family

ID=10024788

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0149488A Expired ES149488A1 (es) 1939-05-05 1940-04-30 Perfeccionamientos en sistemas telefonicos

Country Status (3)

Country Link
ES (1) ES149488A1 (es)
FR (1) FR872188A (es)
GB (1) GB528971A (es)

Also Published As

Publication number Publication date
FR872188A (fr) 1942-06-01
GB528971A (en) 1940-11-12

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