GB686760A - Improvements in or relating to two-way radio communication systems - Google Patents

Improvements in or relating to two-way radio communication systems

Info

Publication number
GB686760A
GB686760A GB21062/49A GB2106249A GB686760A GB 686760 A GB686760 A GB 686760A GB 21062/49 A GB21062/49 A GB 21062/49A GB 2106249 A GB2106249 A GB 2106249A GB 686760 A GB686760 A GB 686760A
Authority
GB
United Kingdom
Prior art keywords
receiver
frequency
station
transmitter
repeater
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
GB21062/49A
Other languages
English (en)
Inventor
Rupert Hedley Palk Collings
Oswold Edward Keall
James Alfred Edwards
John Dunlop
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB686760A publication Critical patent/GB686760A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15542—Selecting at relay station its transmit and receive resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/405—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local multipliers, dividers, modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Relay Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB21062/49A 1949-08-12 1949-08-12 Improvements in or relating to two-way radio communication systems Expired GB686760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB290460X 1949-08-12

Publications (1)

Publication Number Publication Date
GB686760A true GB686760A (en) 1953-01-28

Family

ID=10285332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21062/49A Expired GB686760A (en) 1949-08-12 1949-08-12 Improvements in or relating to two-way radio communication systems

Country Status (4)

Country Link
CH (1) CH290460A (de)
DE (1) DE830677C (de)
FR (1) FR1023963A (de)
GB (1) GB686760A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932072C (de) * 1952-08-26 1955-08-22 Siemens Ag Funknetz mit mehreren Wirkungsbereichen und ortsbeweglichen Stationen
BE568093A (de) * 1957-05-28
DE1163407B (de) * 1960-03-23 1964-02-20 Siemens Ag Anordnung zur drahtlosen UEbermittlung von Signalen, insbesondere Betriebswerten

Also Published As

Publication number Publication date
DE830677C (de) 1952-02-07
CH290460A (fr) 1953-04-30
FR1023963A (fr) 1953-03-26

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