GB408261A - Switching arrangement in automatic and semi-automatic telephone systems - Google Patents

Switching arrangement in automatic and semi-automatic telephone systems

Info

Publication number
GB408261A
GB408261A GB27110/32A GB2711032A GB408261A GB 408261 A GB408261 A GB 408261A GB 27110/32 A GB27110/32 A GB 27110/32A GB 2711032 A GB2711032 A GB 2711032A GB 408261 A GB408261 A GB 408261A
Authority
GB
United Kingdom
Prior art keywords
relay
exchange
register
over
junction
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
GB27110/32A
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
Publication of GB408261A publication Critical patent/GB408261A/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)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
GB27110/32A 1931-09-29 1932-09-29 Switching arrangement in automatic and semi-automatic telephone systems Expired GB408261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE408261X 1931-09-29

Publications (1)

Publication Number Publication Date
GB408261A true GB408261A (en) 1934-03-29

Family

ID=20309522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27110/32A Expired GB408261A (en) 1931-09-29 1932-09-29 Switching arrangement in automatic and semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR744044A (enrdf_load_stackoverflow)
GB (1) GB408261A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR744044A (enrdf_load_stackoverflow) 1933-04-10

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