GB440572A - Improvements in or relating to two-way communication systems - Google Patents

Improvements in or relating to two-way communication systems

Info

Publication number
GB440572A
GB440572A GB1951234A GB1951234A GB440572A GB 440572 A GB440572 A GB 440572A GB 1951234 A GB1951234 A GB 1951234A GB 1951234 A GB1951234 A GB 1951234A GB 440572 A GB440572 A GB 440572A
Authority
GB
United Kingdom
Prior art keywords
frequency
path
changed
transmitting
way
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
GB1951234A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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
Priority to NL41967D priority Critical patent/NL41967C/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB1951234A priority patent/GB440572A/en
Publication of GB440572A publication Critical patent/GB440572A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
GB1951234A 1934-07-02 1934-07-02 Improvements in or relating to two-way communication systems Expired GB440572A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL41967D NL41967C (en:Method) 1934-07-02
GB1951234A GB440572A (en) 1934-07-02 1934-07-02 Improvements in or relating to two-way communication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1951234A GB440572A (en) 1934-07-02 1934-07-02 Improvements in or relating to two-way communication systems

Publications (1)

Publication Number Publication Date
GB440572A true GB440572A (en) 1936-01-02

Family

ID=10130614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1951234A Expired GB440572A (en) 1934-07-02 1934-07-02 Improvements in or relating to two-way communication systems

Country Status (2)

Country Link
GB (1) GB440572A (en:Method)
NL (1) NL41967C (en:Method)

Also Published As

Publication number Publication date
NL41967C (en:Method)

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