FR2072107B1 - - Google Patents

Info

Publication number
FR2072107B1
FR2072107B1 FR7041277A FR7041277A FR2072107B1 FR 2072107 B1 FR2072107 B1 FR 2072107B1 FR 7041277 A FR7041277 A FR 7041277A FR 7041277 A FR7041277 A FR 7041277A FR 2072107 B1 FR2072107 B1 FR 2072107B1
Authority
FR
France
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
FR7041277A
Other versions
FR2072107A1 (fr
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2072107A1 publication Critical patent/FR2072107A1/fr
Application granted granted Critical
Publication of FR2072107B1 publication Critical patent/FR2072107B1/fr
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
    • H04L25/497—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 correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Dc Digital Transmission (AREA)
FR7041277A 1969-12-30 1970-11-09 Expired FR2072107B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88905269A 1969-12-30 1969-12-30

Publications (2)

Publication Number Publication Date
FR2072107A1 FR2072107A1 (fr) 1971-09-24
FR2072107B1 true FR2072107B1 (fr) 1974-05-24

Family

ID=25394429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7041277A Expired FR2072107B1 (fr) 1969-12-30 1970-11-09

Country Status (7)

Country Link
US (1) US3622986A (fr)
JP (1) JPS5017805B1 (fr)
CA (1) CA926012A (fr)
DE (1) DE2063275C3 (fr)
FR (1) FR2072107B1 (fr)
GB (1) GB1277158A (fr)
NL (1) NL7015776A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842401A (en) * 1973-09-10 1974-10-15 Gen Electric Ternary code error detector for a time-division multiplex, pulse-code modulation system
US4271523A (en) * 1979-06-07 1981-06-02 Ford Motor Company Contention interference detection in data communication receiver
US4609907A (en) * 1984-10-31 1986-09-02 International Business Machines Corporation Dual channel partial response system
US4953160A (en) * 1988-02-24 1990-08-28 Integrated Network Corporation Digital data over voice communication
JP3239501B2 (ja) * 1992-12-22 2001-12-17 ソニー株式会社 ビタビ復号方法及び復号装置
US6029264A (en) * 1997-04-28 2000-02-22 The Trustees Of Princeton University System and method for error correcting a received data stream in a concatenated system
JP3637323B2 (ja) * 2002-03-19 2005-04-13 株式会社東芝 受信装置、送受信装置及び受信方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337864A (en) * 1963-08-01 1967-08-22 Automatic Elect Lab Duobinary conversion, reconversion and error detection
US3388330A (en) * 1965-03-19 1968-06-11 Bell Telephone Labor Inc Partial response multilevel data system
US3439330A (en) * 1965-06-04 1969-04-15 Bell Telephone Labor Inc Error detection in paired selected ternary code trains
US3510585A (en) * 1967-02-02 1970-05-05 Xerox Corp Multi-level data encoder-decoder with pseudo-random test pattern generation capability
US3492578A (en) * 1967-05-19 1970-01-27 Bell Telephone Labor Inc Multilevel partial-response data transmission

Also Published As

Publication number Publication date
GB1277158A (en) 1972-06-07
CA926012A (en) 1973-05-08
FR2072107A1 (fr) 1971-09-24
JPS5017805B1 (fr) 1975-06-24
NL7015776A (fr) 1971-07-02
US3622986A (en) 1971-11-23
DE2063275B2 (de) 1980-05-08
DE2063275C3 (de) 1981-01-29
DE2063275A1 (de) 1971-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse