GB512827A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB512827A
GB512827A GB160639A GB160639A GB512827A GB 512827 A GB512827 A GB 512827A GB 160639 A GB160639 A GB 160639A GB 160639 A GB160639 A GB 160639A GB 512827 A GB512827 A GB 512827A
Authority
GB
United Kingdom
Prior art keywords
relating
signalling systems
electric signalling
electric
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
GB160639A
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
Priority to GB160639A priority Critical patent/GB512827A/en
Publication of GB512827A publication Critical patent/GB512827A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4025—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code constant length to or from Morse code conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
GB160639A 1938-02-22 1938-02-22 Improvements in or relating to electric signalling systems Expired GB512827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB160639A GB512827A (en) 1938-02-22 1938-02-22 Improvements in or relating to electric signalling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB160639A GB512827A (en) 1938-02-22 1938-02-22 Improvements in or relating to electric signalling systems

Publications (1)

Publication Number Publication Date
GB512827A true GB512827A (en) 1939-09-26

Family

ID=9724844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB160639A Expired GB512827A (en) 1938-02-22 1938-02-22 Improvements in or relating to electric signalling systems

Country Status (1)

Country Link
GB (1) GB512827A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498700A (en) * 1944-07-26 1950-02-28 Creed & Co Ltd Teleprinter exchange system
US2498695A (en) * 1946-02-19 1950-02-28 Int Standard Electric Corp Telegraph receiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498700A (en) * 1944-07-26 1950-02-28 Creed & Co Ltd Teleprinter exchange system
US2498695A (en) * 1946-02-19 1950-02-28 Int Standard Electric Corp Telegraph receiver

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