GB242653A - Improvements in radio signalling systems - Google Patents

Improvements in radio signalling systems

Info

Publication number
GB242653A
GB242653A GB27882/25A GB2788225A GB242653A GB 242653 A GB242653 A GB 242653A GB 27882/25 A GB27882/25 A GB 27882/25A GB 2788225 A GB2788225 A GB 2788225A GB 242653 A GB242653 A GB 242653A
Authority
GB
United Kingdom
Prior art keywords
frequency
variation
fading
inductance
coil
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
GB27882/25A
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB242653A publication Critical patent/GB242653A/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
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
GB27882/25A 1924-11-06 1925-11-05 Improvements in radio signalling systems Expired GB242653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US748035A US1761118A (en) 1924-11-06 1924-11-06 Radio signaling system

Publications (1)

Publication Number Publication Date
GB242653A true GB242653A (en) 1926-12-16

Family

ID=25007700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27882/25A Expired GB242653A (en) 1924-11-06 1925-11-05 Improvements in radio signalling systems

Country Status (4)

Country Link
US (1) US1761118A (enExample)
DE (1) DE436307C (enExample)
GB (1) GB242653A (enExample)
NL (1) NL18014C (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465341A (en) * 1941-02-08 1949-03-29 Int Standard Electric Corp Electric wave transmission system
US2457137A (en) * 1942-05-22 1948-12-28 Int Standard Electric Corp Ultra high frequency system
US2422664A (en) * 1944-07-12 1947-06-24 Bell Telephone Labor Inc Wobbled radio carrier communication system
USRE34004E (en) * 1953-03-30 1992-07-21 Itt Corporation Secure single sideband communication system using modulated noise subcarrier
DE1091623B (de) * 1956-08-24 1960-10-27 Siemens Ag Nachrichtenuebertragungssystem
CH352602A (de) * 1957-03-22 1961-02-28 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur zyklischen Übertragung von Messwerten
DE1161598B (de) * 1957-07-26 1964-01-23 Siemens Ag Verfahren zur Interferenzverminderung bei Richtfunksystemen
US3259693A (en) * 1960-09-28 1966-07-05 Nippon Electric Co Frequency division multiplex communication system
GB2253971B (en) * 1984-10-30 1993-02-03 Secr Defence Improvements in or relating to ionospheric sounding

Also Published As

Publication number Publication date
NL18014C (enExample)
DE436307C (de) 1926-10-30
US1761118A (en) 1930-06-03

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