FR1072144A - Automatic telephone exchange - Google Patents

Automatic telephone exchange

Info

Publication number
FR1072144A
FR1072144A FR1072144DA FR1072144A FR 1072144 A FR1072144 A FR 1072144A FR 1072144D A FR1072144D A FR 1072144DA FR 1072144 A FR1072144 A FR 1072144A
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
French (fr)
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 FR1072144A publication Critical patent/FR1072144A/en
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)
FR1072144D 1952-03-03 1953-03-03 Automatic telephone exchange Expired FR1072144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1072144X 1952-03-03

Publications (1)

Publication Number Publication Date
FR1072144A true FR1072144A (en) 1954-09-08

Family

ID=20419587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072144D Expired FR1072144A (en) 1952-03-03 1953-03-03 Automatic telephone exchange

Country Status (2)

Country Link
BE (1) BE518083A (en)
FR (1) FR1072144A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227076B (en) * 1963-04-29 1966-10-20 Siemens Ag Circuit arrangement for pulse-wise energy transmission in telecommunications systems, especially in time-division multiplex telephone switching systems
DE1236593B (en) * 1963-04-29 1967-03-16 Siemens Ag Circuit arrangement for pulse-wise energy transmission, particularly in time-division multiplex telephone exchanges

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227076B (en) * 1963-04-29 1966-10-20 Siemens Ag Circuit arrangement for pulse-wise energy transmission in telecommunications systems, especially in time-division multiplex telephone switching systems
DE1236593B (en) * 1963-04-29 1967-03-16 Siemens Ag Circuit arrangement for pulse-wise energy transmission, particularly in time-division multiplex telephone exchanges

Also Published As

Publication number Publication date
BE518083A (en)

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