DE3889958D1 - Dekodierungsgerät für CMI-kodierte Signale. - Google Patents

Dekodierungsgerät für CMI-kodierte Signale.

Info

Publication number
DE3889958D1
DE3889958D1 DE3889958T DE3889958T DE3889958D1 DE 3889958 D1 DE3889958 D1 DE 3889958D1 DE 3889958 T DE3889958 T DE 3889958T DE 3889958 T DE3889958 T DE 3889958T DE 3889958 D1 DE3889958 D1 DE 3889958D1
Authority
DE
Germany
Prior art keywords
cmi
decoding device
coded signals
coded
signals
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 - Fee Related
Application number
DE3889958T
Other languages
English (en)
Other versions
DE3889958T2 (de
Inventor
Gerardus Petrus Mari Akkermans
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.)
AT&T Network Systems International BV
Original Assignee
AT&T Network Systems International BV
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 AT&T Network Systems International BV filed Critical AT&T Network Systems International BV
Publication of DE3889958D1 publication Critical patent/DE3889958D1/de
Application granted granted Critical
Publication of DE3889958T2 publication Critical patent/DE3889958T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L25/4912—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 using CMI or 2-HDB-3 code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Holo Graphy (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
DE3889958T 1987-03-27 1988-03-23 Dekodierungsgerät für CMI-kodierte Signale. Expired - Fee Related DE3889958T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8700720 1987-03-27

Publications (2)

Publication Number Publication Date
DE3889958D1 true DE3889958D1 (de) 1994-07-14
DE3889958T2 DE3889958T2 (de) 1995-01-12

Family

ID=19849772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889958T Expired - Fee Related DE3889958T2 (de) 1987-03-27 1988-03-23 Dekodierungsgerät für CMI-kodierte Signale.

Country Status (4)

Country Link
US (1) US4873524A (de)
EP (1) EP0284164B1 (de)
JP (1) JPS63257333A (de)
DE (1) DE3889958T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02312329A (ja) * 1989-05-27 1990-12-27 Fujitsu Ltd 信号伝送方式
US5153761A (en) * 1990-03-20 1992-10-06 Everex Systems, Inc. High performance light valve having double layer photoconductor
US5113187A (en) * 1991-03-25 1992-05-12 Nec America, Inc. CMI encoder circuit
US5195110A (en) * 1991-04-01 1993-03-16 Nec America, Inc. Clock recovery and decoder circuit for a CMI-encoded signal
KR930007652B1 (ko) * 1991-07-19 1993-08-14 한국전기 통신공사 Cmi데이터 비트동기를 위한 위상검출기와 연동되어 동작하는 cmi/nrz복호기
JPH0831848B2 (ja) * 1993-02-24 1996-03-27 日本電気株式会社 Ｃｍｉ信号のタイミング抽出回路
US6243426B1 (en) * 1998-09-30 2001-06-05 Advanced Micro Devices, Inc. Apparatus and method for slew rate control of MLT-3 transmitter using zero drive

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961367A (en) * 1974-07-03 1976-06-01 Rca Corporation Self-clocking, error correcting low bandwidth digital recording system
NL8003474A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze en registratiedrager voorzien van een informatiestructuur.
FR2495408A1 (fr) * 1980-11-28 1982-06-04 Lignes Telegraph Telephon Dispositif de decodage d'une information numerique exprimee selon un code a inversion de marque
DE3302761A1 (de) * 1983-01-27 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Cmi-decoder
DE3332265A1 (de) * 1983-09-07 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Decodierer fuer den zweipegel-hdb3-code
DE3335517C2 (de) * 1983-09-30 1986-11-27 ANT Nachrichtentechnik GmbH, 7150 Backnang CMI-Codierer
FR2559324B1 (fr) * 1984-02-06 1989-10-27 Lignes Telegraph Telephon Procede et dispositif de detection d'erreur dans un train d'informations binaires exprimees selon le code cmi
FR2598050B1 (fr) * 1986-04-28 1992-10-23 Telecommunications Sa Dispositif de decodage pour code cmi

Also Published As

Publication number Publication date
EP0284164B1 (de) 1994-06-08
JPS63257333A (ja) 1988-10-25
DE3889958T2 (de) 1995-01-12
EP0284164A1 (de) 1988-09-28
US4873524A (en) 1989-10-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee