GB1279676A - Method and apparatus for encoding asynchronous digital signals - Google Patents

Method and apparatus for encoding asynchronous digital signals

Info

Publication number
GB1279676A
GB1279676A GB32854/69A GB3285469A GB1279676A GB 1279676 A GB1279676 A GB 1279676A GB 32854/69 A GB32854/69 A GB 32854/69A GB 3285469 A GB3285469 A GB 3285469A GB 1279676 A GB1279676 A GB 1279676A
Authority
GB
United Kingdom
Prior art keywords
pulses
pulse
channel
bit
fed
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.)
Expired
Application number
GB32854/69A
Other languages
English (en)
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.)
NTT Inc
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
Publication of GB1279676A publication Critical patent/GB1279676A/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
    • H04L25/493—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 by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/225—Arrangements affording multiple use of the transmission path using time-division multiplexing combined with the use of transition coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB32854/69A 1968-07-09 1969-06-30 Method and apparatus for encoding asynchronous digital signals Expired GB1279676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43047615A JPS4814845B1 (enExample) 1968-07-09 1968-07-09

Publications (1)

Publication Number Publication Date
GB1279676A true GB1279676A (en) 1972-06-28

Family

ID=12780116

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32854/69A Expired GB1279676A (en) 1968-07-09 1969-06-30 Method and apparatus for encoding asynchronous digital signals

Country Status (5)

Country Link
US (1) US3627946A (enExample)
JP (1) JPS4814845B1 (enExample)
DE (1) DE1934869B2 (enExample)
FR (1) FR2012587A1 (enExample)
GB (1) GB1279676A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791484A (nl) * 1971-11-18 1973-05-16 Trt Telecom Radio Electr Systeem voor synchrone datatransmissie over een synchroon digitaal transmissiekanaal
US3832690A (en) * 1972-02-22 1974-08-27 Coaxial Scient Corp Communications system encoder-decoder for data transmission and retrieval
JPS5170048U (enExample) * 1974-11-29 1976-06-02
US4002834A (en) * 1974-12-09 1977-01-11 The United States Of America As Represented By The Secretary Of The Navy PCM synchronization and multiplexing system
US4007421A (en) * 1975-08-25 1977-02-08 Bell Telephone Laboratories, Incorporated Circuit for encoding an asynchronous binary signal into a synchronous coded signal
JPS52120438U (enExample) * 1976-03-10 1977-09-13
JPS5325048A (en) * 1976-08-19 1978-03-08 Mitsuhiko Tamura Device for opening or closing cover in western style chamber pot
US4353128A (en) * 1980-06-19 1982-10-05 Bell Telephone Laboratories, Incorporated Synchronous/asynchronous data communication arrangement
FR2700899B1 (fr) * 1993-01-26 1995-04-14 Hewlett Packard Co Procédé et dispositif de compression/décompression d'informations transmises sur une ligne série multiplexée.
US6167062A (en) * 1998-02-02 2000-12-26 Tellabs Operations, Inc. System and associated method for the synchronization and control of multiplexed payloads over a telecommunications network
US8135554B1 (en) * 2004-01-23 2012-03-13 Levy Jonathan A Probe configuration data protocol and transmission method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344231A (en) * 1967-09-26 Encoding and variable scan rate to provide
GB973787A (en) * 1963-05-24 1964-10-28 Standard Telephones Cables Ltd Pulse code modulation system
GB1132951A (en) * 1966-01-05 1968-11-06 Gen Electric Co Ltd Improvements in or relating to a data transmission system

Also Published As

Publication number Publication date
FR2012587A1 (enExample) 1970-03-20
JPS4814845B1 (enExample) 1973-05-10
DE1934869B2 (de) 1971-05-19
US3627946A (en) 1971-12-14
DE1934869A1 (de) 1970-04-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)