JPS5396714A - Code transmission system - Google Patents

Code transmission system

Info

Publication number
JPS5396714A
JPS5396714A JP1073777A JP1073777A JPS5396714A JP S5396714 A JPS5396714 A JP S5396714A JP 1073777 A JP1073777 A JP 1073777A JP 1073777 A JP1073777 A JP 1073777A JP S5396714 A JPS5396714 A JP S5396714A
Authority
JP
Japan
Prior art keywords
transmission system
code transmission
state change
change points
extracting
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
JP1073777A
Other languages
Japanese (ja)
Inventor
Koichi Oota
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1073777A priority Critical patent/JPS5396714A/en
Publication of JPS5396714A publication Critical patent/JPS5396714A/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
    • H04L25/4906—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
    • H04L25/4908—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 mBnB codes
    • H04L25/491—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 mBnB codes using 1B2B codes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To simplify timing extraction by using a transmission code, which has one or two state change points in one time slot, and extracting these state change points.
JP1073777A 1977-02-04 1977-02-04 Code transmission system Pending JPS5396714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1073777A JPS5396714A (en) 1977-02-04 1977-02-04 Code transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1073777A JPS5396714A (en) 1977-02-04 1977-02-04 Code transmission system

Publications (1)

Publication Number Publication Date
JPS5396714A true JPS5396714A (en) 1978-08-24

Family

ID=11758597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1073777A Pending JPS5396714A (en) 1977-02-04 1977-02-04 Code transmission system

Country Status (1)

Country Link
JP (1) JPS5396714A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162533A (en) * 1981-03-31 1982-10-06 Hitachi Ltd Optical transmitter of information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162533A (en) * 1981-03-31 1982-10-06 Hitachi Ltd Optical transmitter of information
JPH0139255B2 (en) * 1981-03-31 1989-08-18 Hitachi Ltd

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