FR1202819A - Dispositif d'exploration de lignes téléphoniques - Google Patents

Dispositif d'exploration de lignes téléphoniques

Info

Publication number
FR1202819A
FR1202819A FR1202819DA FR1202819A FR 1202819 A FR1202819 A FR 1202819A FR 1202819D A FR1202819D A FR 1202819DA FR 1202819 A FR1202819 A FR 1202819A
Authority
FR
France
Prior art keywords
scanning device
telephone line
line scanning
telephone
scanning
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
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1202819A publication Critical patent/FR1202819A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • 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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
FR1202819D 1955-12-28 1956-10-16 Dispositif d'exploration de lignes téléphoniques Expired FR1202819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US555916A US2853553A (en) 1955-12-28 1955-12-28 Line scanner

Publications (1)

Publication Number Publication Date
FR1202819A true FR1202819A (fr) 1960-01-13

Family

ID=24219110

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1202819D Expired FR1202819A (fr) 1955-12-28 1956-10-16 Dispositif d'exploration de lignes téléphoniques
FR1205132D Expired FR1205132A (fr) 1955-12-28 1956-10-26 Système d'exploration de ligne de réseaux téléphoniques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1205132D Expired FR1205132A (fr) 1955-12-28 1956-10-26 Système d'exploration de ligne de réseaux téléphoniques

Country Status (7)

Country Link
US (1) US2853553A (fr)
BE (2) BE551611A (fr)
CH (2) CH340870A (fr)
DE (2) DE1083345B (fr)
FR (2) FR1202819A (fr)
GB (2) GB814082A (fr)
NL (4) NL102397C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1212109A (fr) * 1958-07-26 1960-03-22 Concentrateur de trafic téléphonique
US3106615A (en) * 1958-12-22 1963-10-08 Automatic Elect Lab Communication switching system
NL252360A (fr) * 1959-06-12
US3036161A (en) * 1959-10-26 1962-05-22 Bell Telephone Labor Inc Line concentrator control circuit
US3073907A (en) * 1960-03-08 1963-01-15 Bell Telephone Labor Inc Telephone line scanning circuit
DE1215213B (de) * 1960-10-01 1966-04-28 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur Erkennung und Markierung der jeweils rufenden von gruppenweise zusammengefassten Leitungen, insbesondere Teilnehmeranschlussleitungen, in Fernsprechvermittlungsanlagen
NL270785A (fr) * 1960-10-31 1900-01-01
DE1153090B (de) * 1960-12-24 1963-08-22 Inst Post Und Fernmeldewesen B Schaltungsanordnung fuer Waehlsternanschluesse
FR81225E (fr) * 1961-02-27 1963-12-06
BE626082A (fr) * 1961-03-03
BE637591A (fr) * 1962-09-19
DE1300978B (de) * 1965-06-12 1969-08-14 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer eine Zeitmultiplex-Fernmelde-, insbesondere Fernsprechvermittlungsanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715658A (en) * 1952-08-02 1955-08-16 Bell Telephone Labor Inc Electrical information system
BE522106A (fr) * 1952-08-16

Also Published As

Publication number Publication date
NL210702A (fr)
NL210970A (fr)
NL102397C (fr)
DE1083345B (de) 1960-06-15
US2853553A (en) 1958-09-23
CH340870A (fr) 1959-09-15
BE551611A (fr)
CH370437A (de) 1963-07-15
GB814082A (en) 1959-05-27
NL101572C (fr)
GB814081A (en) 1959-05-27
DE1077270B (de) 1960-03-10
FR1205132A (fr) 1960-01-29
BE551612A (fr)

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