IT1060039B - Impianto di comunicazione elettriche in cui su una stessa tratta engono trasmessi segnali analogici e segnali digitali - Google Patents

Impianto di comunicazione elettriche in cui su una stessa tratta engono trasmessi segnali analogici e segnali digitali

Info

Publication number
IT1060039B
IT1060039B IT7622675A IT2267576A IT1060039B IT 1060039 B IT1060039 B IT 1060039B IT 7622675 A IT7622675 A IT 7622675A IT 2267576 A IT2267576 A IT 2267576A IT 1060039 B IT1060039 B IT 1060039B
Authority
IT
Italy
Prior art keywords
transmitted
communication system
same route
electric communication
signals
Prior art date
Application number
IT7622675A
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 DE19752519322 external-priority patent/DE2519322C2/de
Priority claimed from DE19752526451 external-priority patent/DE2526451C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1060039B publication Critical patent/IT1060039B/it

Links

Classifications

    • 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)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT7622675A 1975-04-30 1976-04-27 Impianto di comunicazione elettriche in cui su una stessa tratta engono trasmessi segnali analogici e segnali digitali IT1060039B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752519322 DE2519322C2 (de) 1975-04-30 1975-04-30 Nachrichtenuebertragungsverfahren und doppelgegentaktmodulator, insbesondere zur durchfuehrung des verfahrens
DE19752526451 DE2526451C3 (de) 1975-06-13 Nachrichtenübertragungsverfahren und Doppelgegentaktmodulator zu dessen Durchführung

Publications (1)

Publication Number Publication Date
IT1060039B true IT1060039B (it) 1982-07-10

Family

ID=25768830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7622675A IT1060039B (it) 1975-04-30 1976-04-27 Impianto di comunicazione elettriche in cui su una stessa tratta engono trasmessi segnali analogici e segnali digitali

Country Status (12)

Country Link
JP (1) JPS51134508A (xx)
BR (1) BR7602664A (xx)
DK (1) DK138976A (xx)
FR (1) FR2310042A1 (xx)
GB (1) GB1541273A (xx)
IE (1) IE42558B1 (xx)
IL (1) IL49366A (xx)
IT (1) IT1060039B (xx)
LU (1) LU74847A1 (xx)
NL (1) NL7604667A (xx)
NO (1) NO761248L (xx)
SE (1) SE7602367L (xx)

Also Published As

Publication number Publication date
DK138976A (da) 1976-10-31
IE42558L (en) 1976-10-30
IL49366A0 (en) 1976-07-30
IE42558B1 (en) 1980-08-27
SE7602367L (sv) 1976-10-31
IL49366A (en) 1978-10-31
AU1307876A (en) 1977-10-20
LU74847A1 (xx) 1977-02-08
JPS51134508A (en) 1976-11-22
GB1541273A (en) 1979-02-28
BR7602664A (pt) 1976-11-23
NL7604667A (nl) 1976-11-02
FR2310042A1 (fr) 1976-11-26
NO761248L (xx) 1976-11-02

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