NL54983C - - Google Patents

Info

Publication number
NL54983C
NL54983C NL54983DA NL54983C NL 54983 C NL54983 C NL 54983C NL 54983D A NL54983D A NL 54983DA NL 54983 C NL54983 C NL 54983C
Authority
NL
Netherlands
Application number
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.)
Publication of NL54983C publication Critical patent/NL54983C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/12Arrangements for reducing cross-talk between channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/14Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NL54983D 1937-08-18 NL54983C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US159667A US2142316A (en) 1937-08-18 1937-08-18 Multiplex multiline carrier system

Publications (1)

Publication Number Publication Date
NL54983C true NL54983C (fr)

Family

ID=22573475

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54983D NL54983C (fr) 1937-08-18

Country Status (4)

Country Link
US (1) US2142316A (fr)
FR (1) FR842226A (fr)
GB (1) GB517036A (fr)
NL (1) NL54983C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528090A (en) * 1943-09-14 1950-10-31 Punch Engineering Pty Ltd Means for changing the transmission carrier frequencies in multichannel signaling and communication systems
US4845756A (en) * 1986-09-09 1989-07-04 Siemens Aktiengesellschaft Apparatus for through-connecting audio signals

Also Published As

Publication number Publication date
US2142316A (en) 1939-01-03
FR842226A (fr) 1939-06-08
GB517036A (en) 1940-01-18

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