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AU7208274A - Improvements in or relating to digital data transmission systems - Google Patents

Improvements in or relating to digital data transmission systems

Info

Publication number
AU7208274A
AU7208274A AU72082/74A AU7208274A AU7208274A AU 7208274 A AU7208274 A AU 7208274A AU 72082/74 A AU72082/74 A AU 72082/74A AU 7208274 A AU7208274 A AU 7208274A AU 7208274 A AU7208274 A AU 7208274A
Authority
AU
Australia
Prior art keywords
relating
data transmission
digital data
transmission systems
systems
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
AU72082/74A
Other versions
AU485887B2 (en
Inventor
Pospishil Regenhard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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
Publication of AU485887B2 publication Critical patent/AU485887B2/en
Priority claimed from DE19732339806 external-priority patent/DE2339806C3/en
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of AU7208274A publication Critical patent/AU7208274A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
AU72082/74A 1973-08-06 1974-08-06 Improvements in or relating to digital data transmission systems Expired - Lifetime AU485887B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732339806 DE2339806C3 (en) 1973-08-06 Messaging system
DEDE823398 1973-08-06

Publications (2)

Publication Number Publication Date
AU485887B2 AU485887B2 (en)
AU7208274A true AU7208274A (en) 1976-02-12

Family

ID=

Also Published As

Publication number Publication date
DE2339806A1 (en) 1975-02-27
DE2339806B2 (en) 1976-09-23
JPS5660342U (en) 1981-05-22
SE404745B (en) 1978-10-23
GB1482971A (en) 1977-08-17
ATA626974A (en) 1978-10-15
AT350111B (en) 1979-05-10
IT1046369B (en) 1980-06-30
SE7410037L (en) 1975-02-07
JPS5717583Y2 (en) 1982-04-13
JPS5076966A (en) 1975-06-24
BE818558R (en) 1974-12-02

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