IT1059847B - Procedimento e dispositivo per la soppressione degli zeri in un sistema di trasmissione di impulsi - Google Patents

Procedimento e dispositivo per la soppressione degli zeri in un sistema di trasmissione di impulsi

Info

Publication number
IT1059847B
IT1059847B IT69950/75A IT6995075A IT1059847B IT 1059847 B IT1059847 B IT 1059847B IT 69950/75 A IT69950/75 A IT 69950/75A IT 6995075 A IT6995075 A IT 6995075A IT 1059847 B IT1059847 B IT 1059847B
Authority
IT
Italy
Prior art keywords
zeros
suppression
procedure
transmission system
pulse transmission
Prior art date
Application number
IT69950/75A
Other languages
English (en)
Original Assignee
Western Electric Co
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
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1059847B publication Critical patent/IT1059847B/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
    • H04L25/4904—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 self-synchronising codes, e.g. split-phase codes
    • 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
    • H04L25/4906—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 binary codes
    • H04L25/4915—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 binary codes using pattern inversion or substitution

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Communication Control (AREA)
IT69950/75A 1974-12-02 1975-11-28 Procedimento e dispositivo per la soppressione degli zeri in un sistema di trasmissione di impulsi IT1059847B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US528728A US3924080A (en) 1974-12-02 1974-12-02 Zero suppression in pulse transmission systems

Publications (1)

Publication Number Publication Date
IT1059847B true IT1059847B (it) 1982-06-21

Family

ID=24106916

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69950/75A IT1059847B (it) 1974-12-02 1975-11-28 Procedimento e dispositivo per la soppressione degli zeri in un sistema di trasmissione di impulsi

Country Status (11)

Country Link
US (1) US3924080A (it)
JP (1) JPS5936462B2 (it)
AU (1) AU500797B2 (it)
BE (1) BE835970A (it)
CA (1) CA1055612A (it)
DE (1) DE2554025C3 (it)
FR (1) FR2293832A1 (it)
GB (1) GB1515740A (it)
IT (1) IT1059847B (it)
NL (1) NL7513980A (it)
SE (1) SE400867B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123625A (en) * 1977-11-03 1978-10-31 Northern Telecom Limited Digital regenerator having improving noise immunity
AU542859B2 (en) * 1979-12-28 1985-03-21 Sony Corporation Method for digital encoding/decoding
NL8102251A (nl) * 1981-05-08 1982-12-01 Philips Nv Systeem voor het overdragen van een audiosignaal via een transmissiekanaal.
JPS58139313A (ja) * 1982-02-10 1983-08-18 Victor Co Of Japan Ltd デイジタル磁気記録再生装置
US4712217A (en) * 1985-12-20 1987-12-08 Network Equipment Technologies System for transmitting digital information and maintaining a minimum paulse density
US4747112A (en) * 1986-09-02 1988-05-24 Gte Communication Systems Corporation Decoding method for T1 line format for CCITT 32K bit per second ADPCM clear channel transmission and 64 KBPS clear channel transmission
GB8703983D0 (en) * 1987-02-20 1987-03-25 Plessey Co Plc Time division multiplexed signalling
US7289560B2 (en) * 2003-01-17 2007-10-30 Freesystems Pte. Ltd. Digital modulation and demodulation technique for reliable wireless (both RF and IR) and wired high bandwidth data transmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302193A (en) * 1964-01-02 1967-01-31 Bell Telephone Labor Inc Pulse transmission system
US3590380A (en) * 1968-02-23 1971-06-29 Philips Corp Repeater station for information signals containing pseudo-random auxiliary signals
US3597549A (en) * 1969-07-17 1971-08-03 Bell Telephone Labor Inc High speed data communication system

Also Published As

Publication number Publication date
AU500797B2 (en) 1979-05-31
AU8700775A (en) 1977-06-02
SE400867B (sv) 1978-04-10
DE2554025C3 (de) 1980-06-04
SE7512943L (sv) 1976-06-03
DE2554025B2 (de) 1979-09-13
BE835970A (fr) 1976-03-16
FR2293832A1 (fr) 1976-07-02
GB1515740A (en) 1978-06-28
DE2554025A1 (de) 1976-08-12
JPS5177107A (it) 1976-07-03
FR2293832B1 (it) 1981-09-18
US3924080A (en) 1975-12-02
CA1055612A (en) 1979-05-29
NL7513980A (nl) 1976-06-04
JPS5936462B2 (ja) 1984-09-04

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