IT1046369B - SYSTEM FOR THE TRANSMISSION TO GLASS FREQUENCIES OF DIGITAL SIGNALS - Google Patents

SYSTEM FOR THE TRANSMISSION TO GLASS FREQUENCIES OF DIGITAL SIGNALS

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
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/en
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1046369B publication Critical patent/IT1046369B/en

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 SYSTEM FOR THE TRANSMISSION TO GLASS FREQUENCIES OF DIGITAL SIGNALS IT1046369B (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=5889038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25916/74A IT1046369B (en) 1973-08-06 1974-08-02 SYSTEM FOR THE TRANSMISSION TO GLASS FREQUENCIES OF DIGITAL SIGNALS

Country Status (6)

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

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

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