FR1048946A - Central téléphonique automatique - Google Patents

Central téléphonique automatique

Info

Publication number
FR1048946A
FR1048946A FR1048946DA FR1048946A FR 1048946 A FR1048946 A FR 1048946A FR 1048946D A FR1048946D A FR 1048946DA FR 1048946 A FR1048946 A FR 1048946A
Authority
FR
France
Prior art keywords
telephone exchange
automatic telephone
automatic
exchange
telephone
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1048946A publication Critical patent/FR1048946A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR1048946D 1950-11-23 1951-11-23 Central téléphonique automatique Expired FR1048946A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2870350A GB759687A (en) 1950-11-23 1950-11-23 Improvements in and relating to automatic exchanges

Publications (1)

Publication Number Publication Date
FR1048946A true FR1048946A (fr) 1953-12-24

Family

ID=10279754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048946D Expired FR1048946A (fr) 1950-11-23 1951-11-23 Central téléphonique automatique

Country Status (4)

Country Link
DE (1) DE939516C (fr)
FR (1) FR1048946A (fr)
GB (1) GB759687A (fr)
NL (2) NL88816C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105523878B (zh) * 2016-03-08 2018-01-05 曲靖众一精细化工股份有限公司 一种转鼓提纯工业芴的方法

Also Published As

Publication number Publication date
GB759687A (en) 1956-10-24
DE939516C (de) 1956-02-23
NL165384B (nl)
NL88816C (fr)

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