JPS5413719A - Pulse transmission system - Google Patents

Pulse transmission system

Info

Publication number
JPS5413719A
JPS5413719A JP7883777A JP7883777A JPS5413719A JP S5413719 A JPS5413719 A JP S5413719A JP 7883777 A JP7883777 A JP 7883777A JP 7883777 A JP7883777 A JP 7883777A JP S5413719 A JPS5413719 A JP S5413719A
Authority
JP
Japan
Prior art keywords
transmission system
pulse transmission
codes
block
adhacent
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.)
Granted
Application number
JP7883777A
Other languages
Japanese (ja)
Other versions
JPS5829904B2 (en
Inventor
Kenji Okada
Yoji Fukinuki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP52078837A priority Critical patent/JPS5829904B2/en
Publication of JPS5413719A publication Critical patent/JPS5413719A/en
Publication of JPS5829904B2 publication Critical patent/JPS5829904B2/en
Expired 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)

Abstract

PURPOSE:To simplify error detection at the reception side, and to enable frame synchronization by converting binary codes into a code sequence in a specific block and by selecting this block through the inversions of adhacent codes in different converted blocks.
JP52078837A 1977-07-01 1977-07-01 code conversion device Expired JPS5829904B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52078837A JPS5829904B2 (en) 1977-07-01 1977-07-01 code conversion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52078837A JPS5829904B2 (en) 1977-07-01 1977-07-01 code conversion device

Publications (2)

Publication Number Publication Date
JPS5413719A true JPS5413719A (en) 1979-02-01
JPS5829904B2 JPS5829904B2 (en) 1983-06-25

Family

ID=13672932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52078837A Expired JPS5829904B2 (en) 1977-07-01 1977-07-01 code conversion device

Country Status (1)

Country Link
JP (1) JPS5829904B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659764A1 (en) * 1990-03-13 1991-09-20 Mitsubishi Electric Corp MICROCOMPUTER AND CONTACTLESS INTEGRATED CIRCUIT BOARD USING SUCH A MICROCOMPUTER

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146059A (en) * 1974-10-18 1976-04-20 Hitachi Ltd FUGOHEN KANSOCHI
JPS5146060A (en) * 1974-10-18 1976-04-20 Hitachi Ltd FUGOHEN KANSOCHI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146059A (en) * 1974-10-18 1976-04-20 Hitachi Ltd FUGOHEN KANSOCHI
JPS5146060A (en) * 1974-10-18 1976-04-20 Hitachi Ltd FUGOHEN KANSOCHI

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659764A1 (en) * 1990-03-13 1991-09-20 Mitsubishi Electric Corp MICROCOMPUTER AND CONTACTLESS INTEGRATED CIRCUIT BOARD USING SUCH A MICROCOMPUTER
US5308968A (en) * 1990-03-13 1994-05-03 Mitsubishi Denki Kabushiki Kaisha Non-contact IC card which actively attenuates its resonance circuit as it receives data
US5396056A (en) * 1990-03-13 1995-03-07 Mitsubishi Denki Kabushiki Kaisha Non-contact IC card having an active attenuation circuit

Also Published As

Publication number Publication date
JPS5829904B2 (en) 1983-06-25

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