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JPS5351916A - Data signal transmission system - Google Patents

Data signal transmission system

Info

Publication number
JPS5351916A
JPS5351916A JP12647576A JP12647576A JPS5351916A JP S5351916 A JPS5351916 A JP S5351916A JP 12647576 A JP12647576 A JP 12647576A JP 12647576 A JP12647576 A JP 12647576A JP S5351916 A JPS5351916 A JP S5351916A
Authority
JP
Japan
Prior art keywords
data signal
signal transmission
transmission system
level
signal
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.)
Pending
Application number
JP12647576A
Other languages
Japanese (ja)
Inventor
Koji Aoki
Naohide Sata
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP12647576A priority Critical patent/JPS5351916A/en
Publication of JPS5351916A publication Critical patent/JPS5351916A/en
Pending legal-status Critical Current

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
    • H04L25/4919—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 balanced multilevel codes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To increase the quantity of data signal, by combinating DC balance of the pattern length level and repetitive level in the multi-level of frame signal, so that the transmission of the information signal other than the input information signal can be made.
JP12647576A 1976-10-21 1976-10-21 Data signal transmission system Pending JPS5351916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12647576A JPS5351916A (en) 1976-10-21 1976-10-21 Data signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12647576A JPS5351916A (en) 1976-10-21 1976-10-21 Data signal transmission system

Publications (1)

Publication Number Publication Date
JPS5351916A true JPS5351916A (en) 1978-05-11

Family

ID=14936127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12647576A Pending JPS5351916A (en) 1976-10-21 1976-10-21 Data signal transmission system

Country Status (1)

Country Link
JP (1) JPS5351916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157660A (en) * 1981-03-24 1982-09-29 Nec Corp Signal transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157660A (en) * 1981-03-24 1982-09-29 Nec Corp Signal transmission system

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