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GB1119548A - Exchange system for several communication systems of different types - Google Patents

Exchange system for several communication systems of different types

Info

Publication number
GB1119548A
GB1119548A GB2129466A GB2129466A GB1119548A GB 1119548 A GB1119548 A GB 1119548A GB 2129466 A GB2129466 A GB 2129466A GB 2129466 A GB2129466 A GB 2129466A GB 1119548 A GB1119548 A GB 1119548A
Authority
GB
United Kingdom
Prior art keywords
telegraph
register
telephone
different types
communication 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
GB2129466A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1119548A publication Critical patent/GB1119548A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

1,119,548. Combined telegraph and telephone system. INTERNATIONAL STANDARD ELECTRIC CORP. 13 May, 1966 [18 May, 1965], No. 21294/66. Heading H4K. The same switching system serves telephone and telegraph lines. A telephone line is connected over stages A, B and C of reed relay matrices to a relay set SAF or SBF to connect with register R over D and E. A telegraph line is similarly connected by way of a relay set ST. The register governs the establishment of wanted connections by way of markers M1 and M11. Whereas R is shown as being a common circuit it may comprise one register for telephone calls and a separate register for telegraph calls.
GB2129466A 1965-05-18 1966-05-13 Exchange system for several communication systems of different types Expired GB1119548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965ST023836 DE1277362B (en) 1965-05-18 1965-05-18 Circuit arrangement for conveying different types of messages

Publications (1)

Publication Number Publication Date
GB1119548A true GB1119548A (en) 1968-07-10

Family

ID=7459881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2129466A Expired GB1119548A (en) 1965-05-18 1966-05-13 Exchange system for several communication systems of different types

Country Status (2)

Country Link
DE (1) DE1277362B (en)
GB (1) GB1119548A (en)

Also Published As

Publication number Publication date
DE1277362B (en) 1968-09-12

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