IT1046369B - Impianto per la trasmissione a frequenze vettrici di segnali digitali - Google Patents

Impianto per la trasmissione a frequenze vettrici di segnali digitali

Info

Publication number
IT1046369B
IT1046369B IT25916/74A IT2591674A IT1046369B IT 1046369 B IT1046369 B IT 1046369B IT 25916/74 A IT25916/74 A IT 25916/74A IT 2591674 A IT2591674 A IT 2591674A IT 1046369 B IT1046369 B IT 1046369B
Authority
IT
Italy
Prior art keywords
frequencies
glass
transmission
digital signals
digital
Prior art date
Application number
IT25916/74A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens Ag
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 claimed from DE19732339806 external-priority patent/DE2339806C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1046369B publication Critical patent/IT1046369B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
IT25916/74A 1973-08-06 1974-08-02 Impianto per la trasmissione a frequenze vettrici di segnali digitali IT1046369B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732339806 DE2339806C3 (de) 1973-08-06 Nachrichtenübertragungssystem

Publications (1)

Publication Number Publication Date
IT1046369B true IT1046369B (it) 1980-06-30

Family

ID=5889038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25916/74A IT1046369B (it) 1973-08-06 1974-08-02 Impianto per la trasmissione a frequenze vettrici di segnali digitali

Country Status (6)

Country Link
JP (2) JPS5076966A (enrdf_load_stackoverflow)
AT (1) AT350111B (enrdf_load_stackoverflow)
BE (1) BE818558R (enrdf_load_stackoverflow)
GB (1) GB1482971A (enrdf_load_stackoverflow)
IT (1) IT1046369B (enrdf_load_stackoverflow)
SE (1) SE404745B (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1368068A (en) * 1971-10-20 1974-09-25 Post Office Digital communication systems

Also Published As

Publication number Publication date
ATA626974A (de) 1978-10-15
JPS5660342U (enrdf_load_stackoverflow) 1981-05-22
SE404745B (sv) 1978-10-23
JPS5076966A (enrdf_load_stackoverflow) 1975-06-24
DE2339806A1 (de) 1975-02-27
AT350111B (de) 1979-05-10
DE2339806B2 (de) 1976-09-23
GB1482971A (en) 1977-08-17
JPS5717583Y2 (enrdf_load_stackoverflow) 1982-04-13
BE818558R (fr) 1974-12-02
AU7208274A (en) 1976-02-12
SE7410037L (enrdf_load_stackoverflow) 1975-02-07

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