FR739664A - Provision for automatic telephone systems - Google Patents

Provision for automatic telephone systems

Info

Publication number
FR739664A
FR739664A FR739664DA FR739664A FR 739664 A FR739664 A FR 739664A FR 739664D A FR739664D A FR 739664DA FR 739664 A FR739664 A FR 739664A
Authority
FR
France
Prior art keywords
provision
telephone systems
automatic telephone
automatic
systems
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 FR739664A publication Critical patent/FR739664A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
FR739664D 1931-04-16 1932-04-13 Provision for automatic telephone systems Expired FR739664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE739664X 1931-04-16

Publications (1)

Publication Number Publication Date
FR739664A true FR739664A (en) 1933-01-16

Family

ID=20319804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR739664D Expired FR739664A (en) 1931-04-16 1932-04-13 Provision for automatic telephone systems

Country Status (2)

Country Link
DE (1) DE606137C (en)
FR (1) FR739664A (en)

Also Published As

Publication number Publication date
DE606137C (en) 1934-11-29

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