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/en
Application filed filed Critical
Priority to NL54620A priority patent/NL34797C/xx
Priority to US501825A priority patent/US1907109A/en
Priority to FR733626D priority patent/FR733626A/en
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 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1930609540D DE609540C (en) 1930-01-02 1930-11-11 System for high-frequency messaging with spread sidebands
NL54620A NL34797C (en) 1930-01-02 1930-12-03
US501825A US1907109A (en) 1930-01-02 1930-12-12 Radio signaling system
FR733626D FR733626A (en) 1930-01-02 1931-06-15 Improvements to signaling systems using modulated waves

Applications Claiming Priority (3)

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

Publications (1)

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

Family

ID=10893335

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767200C (en) * 1932-12-23 1952-02-14 Siemens & Halske A G Multiple carrier frequency transmission system for speech using two or more modulation, especially over cable lines
DE763148C (en) * 1937-10-26 1954-08-02 Telefunken Gmbh Arrangement for carrier frequency transmission of a television frequency band which also contains very low frequencies
DE889903C (en) * 1939-11-17 1953-09-14 Fernseh Gmbh Television broadcast method
BE445078A (en) * 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 (en) * 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 (en) * 1947-09-03
US2662933A (en) * 1951-04-26 1953-12-15 Bell Telephone Labor Inc Multiplex carrier telegraph system
FR1234095A (en) * 1958-09-16 1960-10-14 Fernseh Gmbh Method and devices for recording television signals on magnetic tape
US3678390A (en) * 1968-10-11 1972-07-18 Tokyo Shibaura Electric Co Frequency modulation communication system

Also Published As

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

Similar Documents

Publication Publication Date Title
BE366808A (en)
NL29485C (en)
NL31271C (en)
NL34797C (en)
BE366529A (en)
BE365672A (en)
BE363405A (en)
BE363192A (en)
BE362756A (en)
BE360999A (en)
BE359530A (en)
BE359241A (en)
BE355846A (en)
BE338084A (en)
BE379819A (en)
BE317815A (en)
BE280490A (en)
NL55528B (en)
NL47046C (en)
NL37802C (en)
NL34838C (en)
NL32721C (en)
BE366676A (en)
NL39621C (en)
NL29450C (en)