NL34797C - - Google Patents

Info

Publication number
NL34797C
NL34797C NL54620A NL54620A NL34797C NL 34797 C NL34797 C NL 34797C NL 54620 A NL54620 A NL 54620A NL 54620 A NL54620 A NL 54620A NL 34797 C NL34797 C NL 34797C
Authority
NL
Netherlands
Application number
NL54620A
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 DE1930609540D priority Critical patent/DE609540C/de
Application filed filed Critical
Priority to NL54620A priority patent/NL34797C/xx
Priority to US501825A priority patent/US1907109A/en
Priority to FR733626D priority patent/FR733626A/fr
Application granted granted Critical
Publication of NL34797C publication Critical patent/NL34797C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/08—Transmission systems not characterised by the medium used for transmission characterised by the use of a sub-carrier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • 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
    • H04B14/004—Amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
NL54620A 1930-01-02 1930-12-03 NL34797C (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1930609540D DE609540C (de) 1930-01-02 1930-11-11 Anlage fuer Hochfrequenznachrichtenuebermittlung mit gespreizten Seitenbaendern
NL54620A NL34797C (fr) 1930-01-02 1930-12-03
US501825A US1907109A (en) 1930-01-02 1930-12-12 Radio signaling system
FR733626D FR733626A (fr) 1930-01-02 1931-06-15 Perfectionnements aux systèmes de signalisation utilisant des ondes modulées

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1907109X 1930-01-02
NL54620A NL34797C (fr) 1930-01-02 1930-12-03
FR733626T 1931-06-15

Publications (1)

Publication Number Publication Date
NL34797C true NL34797C (fr) 1935-03-15

Family

ID=10893335

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54620A NL34797C (fr) 1930-01-02 1930-12-03

Country Status (4)

Country Link
US (1) US1907109A (fr)
DE (1) DE609540C (fr)
FR (1) FR733626A (fr)
NL (1) NL34797C (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767200C (de) * 1932-12-23 1952-02-14 Siemens & Halske A G Mehrfachtraegerfrequenzuebertragungssystem fuer Sprache unter Anwendung einer zwei- oder mehrfachen Modulation, insbesondere ueber Kabelleitungen
DE763148C (de) * 1937-10-26 1954-08-02 Telefunken Gmbh Anordnung zur Traegerfrequenzuebertragung eines auch sehr niedrige Frequenzen enthaltenden Fernsehfrequenzbandes
DE889903C (de) * 1939-11-17 1953-09-14 Fernseh Gmbh Fernsehuebertragungsverfahren
BE445078A (fr) * 1941-04-03
GB556079A (en) * 1942-03-12 1943-09-20 Standard Telephones Cables Ltd Improvements relating to multi-channel electrical communication systems
GB595712A (en) * 1943-08-02 1947-12-15 Comm Engineering Pty Ltd Multi-channel telephone systems
BE459652A (fr) * 1944-05-08 1945-09-29
US2621325A (en) * 1946-08-20 1952-12-09 Radio Electr Soc Fr Plural modulation multiplex system
US2502955A (en) * 1947-03-25 1950-04-04 Hartford Nat Bank & Trust Co Apparatus for deriving from a recurrent wave, a voltage of relatively low fundamental frequency but of the same shape
BE484646A (fr) * 1947-09-03
US2662933A (en) * 1951-04-26 1953-12-15 Bell Telephone Labor Inc Multiplex carrier telegraph system
FR1234095A (fr) * 1958-09-16 1960-10-14 Fernseh Gmbh Procédé et dispositifs pour enregistrer des signaux de télévision sur un ruban magnétique
US3678390A (en) * 1968-10-11 1972-07-18 Tokyo Shibaura Electric Co Frequency modulation communication system

Also Published As

Publication number Publication date
DE609540C (de) 1935-02-20
US1907109A (en) 1933-05-02
FR733626A (fr) 1932-10-08

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