GB1198103A - Telephone System - Google Patents

Telephone System

Info

Publication number
GB1198103A
GB1198103A GB3945267A GB3945267A GB1198103A GB 1198103 A GB1198103 A GB 1198103A GB 3945267 A GB3945267 A GB 3945267A GB 3945267 A GB3945267 A GB 3945267A GB 1198103 A GB1198103 A GB 1198103A
Authority
GB
United Kingdom
Prior art keywords
relays
relay
contact
over
potential
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
GB3945267A
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 GB1198103A publication Critical patent/GB1198103A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB3945267A 1966-09-06 1967-08-29 Telephone System Expired GB1198103A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1195966A SE313846B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-09-06 1966-09-06

Publications (1)

Publication Number Publication Date
GB1198103A true GB1198103A (en) 1970-07-08

Family

ID=20294901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3945267A Expired GB1198103A (en) 1966-09-06 1967-08-29 Telephone System

Country Status (4)

Country Link
DE (1) DE1537894A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1198103A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO119747B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE313846B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
SE313846B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-08-25
DE1537894A1 (de) 1969-10-30
NO119747B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-06-29

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees