FR946481A - Perfectionnements aux procédés de radio-transmission - Google Patents

Perfectionnements aux procédés de radio-transmission

Info

Publication number
FR946481A
FR946481A FR946481DA FR946481A FR 946481 A FR946481 A FR 946481A FR 946481D A FR946481D A FR 946481DA FR 946481 A FR946481 A FR 946481A
Authority
FR
France
Prior art keywords
radio transmission
transmission processes
processes
radio
transmission
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
Other languages
English (en)
Inventor
Edwin Howard Armstrong
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 filed Critical
Application granted granted Critical
Publication of FR946481A publication Critical patent/FR946481A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation
    • 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
    • H04B7/165—Ground-based stations employing angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR946481D 1940-01-12 1947-05-09 Perfectionnements aux procédés de radio-transmission Expired FR946481A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US313498A US2276008A (en) 1940-01-12 1940-01-12 Radio rebroadcasting system

Publications (1)

Publication Number Publication Date
FR946481A true FR946481A (fr) 1949-06-03

Family

ID=23215942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946481D Expired FR946481A (fr) 1940-01-12 1947-05-09 Perfectionnements aux procédés de radio-transmission

Country Status (4)

Country Link
US (1) US2276008A (fr)
BE (1) BE473378A (fr)
FR (1) FR946481A (fr)
GB (1) GB621229A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579567A (en) * 1943-10-07 1946-08-08 Marconi Wireless Telegraph Co Improvements in frequency controlling and stabilising means in radio-apparatus and the like
US2516885A (en) * 1944-04-17 1950-08-01 Standard Telephones Cables Ltd Relay system
US2579070A (en) * 1945-02-14 1951-12-18 Rca Corp Multiplex communication system
US2476141A (en) * 1946-08-21 1949-07-12 Rca Corp Frequency shift keyer
NL288780A (fr) * 1962-02-10

Also Published As

Publication number Publication date
BE473378A (fr)
US2276008A (en) 1942-03-10
GB621229A (en) 1949-04-06

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