GB861249A - Improvements in or relating to telegraph transmission systems - Google Patents

Improvements in or relating to telegraph transmission systems

Info

Publication number
GB861249A
GB861249A GB19696/57A GB1969657A GB861249A GB 861249 A GB861249 A GB 861249A GB 19696/57 A GB19696/57 A GB 19696/57A GB 1969657 A GB1969657 A GB 1969657A GB 861249 A GB861249 A GB 861249A
Authority
GB
United Kingdom
Prior art keywords
contact
frequency
relay
station
subscriber
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
GB19696/57A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB861249A publication Critical patent/GB861249A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
GB19696/57A 1956-06-21 1957-06-21 Improvements in or relating to telegraph transmission systems Expired GB861249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES49152A DE1015470B (de) 1956-06-21 1956-06-21 Verfahren und Anordnung zum relaislosen UEbertragen von Fernschreibnachrichten

Publications (1)

Publication Number Publication Date
GB861249A true GB861249A (en) 1961-02-15

Family

ID=7487150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19696/57A Expired GB861249A (en) 1956-06-21 1957-06-21 Improvements in or relating to telegraph transmission systems

Country Status (5)

Country Link
US (1) US2887534A (enExample)
BE (1) BE558577A (enExample)
DE (1) DE1015470B (enExample)
FR (1) FR1182314A (enExample)
GB (1) GB861249A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865983A (en) * 1972-12-14 1975-02-11 Action Communications Systems Acoustic coupler system for use with common carrier communication lines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1732741A (en) * 1925-05-04 1929-10-22 Westinghouse Electric & Mfg Co Duplex radio transmission system
US2060250A (en) * 1931-04-28 1936-11-10 Western Electric Co Combined teleprinter and telephone system
US2154441A (en) * 1935-06-18 1939-04-18 Western Union Telegraph Co Telegraph system
US2352918A (en) * 1942-10-30 1944-07-04 Rca Corp Two-way telephone and telegraph system
US2823261A (en) * 1956-05-07 1958-02-11 Bank Of America Nat Trust & Savings Ass Code communication system

Also Published As

Publication number Publication date
DE1015470B (de) 1957-09-12
FR1182314A (fr) 1959-06-24
BE558577A (enExample)
US2887534A (en) 1959-05-19

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