FR1260858A - Arrangement de circuit pour bureau central automatique - Google Patents

Arrangement de circuit pour bureau central automatique

Info

Publication number
FR1260858A
FR1260858A FR827215A FR827215A FR1260858A FR 1260858 A FR1260858 A FR 1260858A FR 827215 A FR827215 A FR 827215A FR 827215 A FR827215 A FR 827215A FR 1260858 A FR1260858 A FR 1260858A
Authority
FR
France
Prior art keywords
circuit arrangement
central office
automatic central
automatic
office
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
FR827215A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1260858A publication Critical patent/FR1260858A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR827215A 1959-05-15 1960-05-14 Arrangement de circuit pour bureau central automatique Expired FR1260858A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE467959 1959-05-15

Publications (1)

Publication Number Publication Date
FR1260858A true FR1260858A (fr) 1961-05-12

Family

ID=20264723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827215A Expired FR1260858A (fr) 1959-05-15 1960-05-14 Arrangement de circuit pour bureau central automatique

Country Status (7)

Country Link
US (1) US3222458A (fr)
BE (1) BE590793A (fr)
DE (1) DE1109743B (fr)
DK (1) DK96797C (fr)
FR (1) FR1260858A (fr)
GB (1) GB946076A (fr)
NL (1) NL251581A (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1925681A (en) * 1931-08-04 1933-09-05 Western Electric Co Telephone system
US2151767A (en) * 1936-08-04 1939-03-28 Bell Telephone Labor Inc Telephone system
US2530845A (en) * 1945-12-03 1950-11-21 Automatic Elect Lab Relay automatic telephone system
BE513206A (fr) * 1949-12-28
US2717923A (en) * 1951-06-05 1955-09-13 Stromberg Carlson Co Code call circuit

Also Published As

Publication number Publication date
BE590793A (fr) 1960-09-01
NL251581A (fr) 1964-02-25
DK96797C (da) 1963-09-02
DE1109743B (de) 1961-06-29
GB946076A (en) 1964-01-08
US3222458A (en) 1965-12-07

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