GB558781A - Improvements in or relating to automatic telegraph exchange systems - Google Patents

Improvements in or relating to automatic telegraph exchange systems

Info

Publication number
GB558781A
GB558781A GB7306/42D GB730642D GB558781A GB 558781 A GB558781 A GB 558781A GB 7306/42 D GB7306/42 D GB 7306/42D GB 730642 D GB730642 D GB 730642D GB 558781 A GB558781 A GB 558781A
Authority
GB
United Kingdom
Prior art keywords
relay
message
line
exchange
circuit
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
GB7306/42D
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB558781A publication Critical patent/GB558781A/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
    • H04L12/54—Store-and-forward switching systems 

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Meat, Egg Or Seafood Products (AREA)
GB7306/42D 1940-12-24 1942-05-29 Improvements in or relating to automatic telegraph exchange systems Expired GB558781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371521A US2495683A (en) 1940-12-24 1940-12-24 Communication system

Publications (1)

Publication Number Publication Date
GB558781A true GB558781A (en) 1944-01-20

Family

ID=23464298

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7306/42D Expired GB558781A (en) 1940-12-24 1942-05-29 Improvements in or relating to automatic telegraph exchange systems
GB6070/48A Expired GB654097A (en) 1940-12-24 1948-02-27 Improvements in or relating to electrical communication systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB6070/48A Expired GB654097A (en) 1940-12-24 1948-02-27 Improvements in or relating to electrical communication systems

Country Status (5)

Country Link
US (1) US2495683A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE482238A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR961976A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB558781A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL72329C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572831A (en) * 1947-11-24 1951-10-30 Bell Telephone Labor Inc Communication system
US2766318A (en) * 1949-10-01 1956-10-09 Bell Telephone Labor Inc Printing telegraph automatic switching system
US2584736A (en) * 1950-05-02 1952-02-05 American Telephone & Telegraph Telegraph switching system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1105920A (en) * 1909-06-17 1914-08-04 Austin Mclanahan Telegraphy.
US1370669A (en) * 1915-12-14 1921-03-08 American Telephone & Telegraph Machine-telegraph
US1864303A (en) * 1928-04-27 1932-06-21 Postal Telegraphcable Company Radio printing telegraph system
US2122367A (en) * 1932-01-08 1938-06-28 Western Union Telegraph Co Telegraph switching system
US2023952A (en) * 1932-06-30 1935-12-10 Western Union Telegraph Co Selective market system
US2193967A (en) * 1933-01-05 1940-03-19 Teletype Corp Automatic message exchange system
US2174731A (en) * 1935-09-28 1939-10-03 Western Union Telegraph Co Combined telegraph printer and perforator
US2193810A (en) * 1936-02-24 1940-03-19 Western Union Telegraph Co Telegraph exchange system
US2165780A (en) * 1936-04-28 1939-07-11 Western Union Telegraph Co Telegraph exchange system
US2143828A (en) * 1937-04-06 1939-01-10 Western Union Telegraph Co Telegraph printer-reperforator

Also Published As

Publication number Publication date
BE482238A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR961976A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1950-05-26
US2495683A (en) 1950-01-31
GB654097A (en) 1951-06-06
NL72329C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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