AU2001229337A1 - Dc control of a multilevel signal - Google Patents

Dc control of a multilevel signal

Info

Publication number
AU2001229337A1
AU2001229337A1 AU2001229337A AU2933701A AU2001229337A1 AU 2001229337 A1 AU2001229337 A1 AU 2001229337A1 AU 2001229337 A AU2001229337 A AU 2001229337A AU 2933701 A AU2933701 A AU 2933701A AU 2001229337 A1 AU2001229337 A1 AU 2001229337A1
Authority
AU
Australia
Prior art keywords
control
multilevel signal
multilevel
signal
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.)
Abandoned
Application number
AU2001229337A
Other languages
English (en)
Inventor
John L Fan
David C. Lee
Yung-Chen Lo
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.)
Calimetrics Inc
Original Assignee
Calimetrics Inc
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 Calimetrics Inc filed Critical Calimetrics Inc
Publication of AU2001229337A1 publication Critical patent/AU2001229337A1/en
Abandoned 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
    • H04L25/4917—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 multilevel codes
    • H04L25/4919—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 multilevel codes using balanced multilevel codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1496—Digital recording or reproducing using self-clocking codes characterised by the use of more than three levels
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1457—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof wherein DC control is performed by calculating a digital sum value [DSV]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2001229337A 2000-02-02 2001-01-09 Dc control of a multilevel signal Abandoned AU2001229337A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/496,897 2000-02-02
US09/496,897 US6604219B1 (en) 2000-02-02 2000-02-02 DC control of a multilevel signal
PCT/US2001/000771 WO2001058102A1 (fr) 2000-02-02 2001-01-09 Regulation de la composante cc d'un signal a niveaux multiples

Publications (1)

Publication Number Publication Date
AU2001229337A1 true AU2001229337A1 (en) 2001-08-14

Family

ID=23974645

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001229337A Abandoned AU2001229337A1 (en) 2000-02-02 2001-01-09 Dc control of a multilevel signal

Country Status (3)

Country Link
US (1) US6604219B1 (fr)
AU (1) AU2001229337A1 (fr)
WO (1) WO2001058102A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034719B2 (en) 2002-09-27 2006-04-25 Samsung Electronics Co., Ltd. Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method
TW538372B (en) * 1999-10-02 2003-06-21 Mediatek Inc Zero digital sum value control device and method
KR100408416B1 (ko) * 2001-09-06 2003-12-06 삼성전자주식회사 디지털 비디오 신호 전송 시스템 및 전송방법
EP1296457B1 (fr) * 2001-09-21 2009-04-29 Ricoh Company, Ltd. Traitement de données à niveaux multiples pour l'enregistrement
US7190653B2 (en) * 2002-10-21 2007-03-13 Ricoh Company, Ltd. Data recording/reproducing device
US7042372B2 (en) * 2002-10-31 2006-05-09 Hewlett-Packard Development Company, L.P. Encoding information in codes identifying beginning of regions of data
US7084789B2 (en) * 2003-11-17 2006-08-01 Seagate Technology Llc DC-free code having limited error propagation and limited complexity
US6989776B2 (en) * 2003-11-17 2006-01-24 Seagate Technology Llc Generation of interleaved parity code words having limited running digital sum values
TWI244272B (en) * 2003-12-04 2005-11-21 Via Tech Inc Digital signal modulation method
TWI302306B (en) * 2004-12-30 2008-10-21 Ind Tech Res Inst State modulation method and apparatus for inserting state control codes
DE102005012069A1 (de) * 2005-03-16 2006-09-21 Robert Bosch Gmbh Verfahren zur Fehlerbehandlung
WO2009037618A2 (fr) * 2007-09-18 2009-03-26 Nxp B.V. Procédé d'égalisation d'équilibre
GB2530753A (en) * 2014-09-30 2016-04-06 Canon Kk DC-Free nyquist-free error correcting line coding

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164662A (en) * 1981-04-03 1982-10-09 Hitachi Ltd Compression system for multilevel signal
US4408189A (en) 1981-05-18 1983-10-04 Northern Telecom Limited Method and apparatus for code conversion of binary to multilevel signals
KR910013186A (ko) 1989-12-29 1991-08-08 강진구 Efm 변조회로
JPH06325369A (ja) 1993-03-08 1994-11-25 Philips Electron Nv 光学記録兼読取装置
US5450443A (en) * 1993-09-01 1995-09-12 International Business Machines Corporation Method and apparatus for constructing asymptotically optimal second order DC-free channel codes
US5537382A (en) * 1994-11-22 1996-07-16 Optex Corporation Partial response coding for a multi-level optical recording channel
US6023234A (en) 1995-02-23 2000-02-08 Matsushita Electric Industrial Co., Ltd. EFM encoder and DSV calculator
KR0165441B1 (ko) 1995-09-18 1999-03-20 김광호 디지털 데이터 채널 부호화 및 복호화방법과 그 장치
US5699434A (en) 1995-12-12 1997-12-16 Hewlett-Packard Company Method of inhibiting copying of digital data
WO1997050179A1 (fr) * 1996-06-24 1997-12-31 Etom Technologies Corporation Code limite par longueur de ligne de type m=10 (2,10), d=3.75 pour donnees a plusieurs niveaux
WO2000021198A1 (fr) * 1998-10-01 2000-04-13 Koninklijke Philips Electronics N.V. Production d'un signal d'information numerique limite en longueur de plage
WO2000057417A1 (fr) * 1999-03-23 2000-09-28 Koninklijke Philips Electronics N.V. Methode de decodage d'un train de bits de canal d'un signal en rapport avec un signal de canal binaire dans un train de bits de source d'un signal en rapport avec un signal de source binaire
US6456208B1 (en) * 2000-06-30 2002-09-24 Marvell International, Ltd. Technique to construct 32/33 and other RLL codes

Also Published As

Publication number Publication date
WO2001058102A1 (fr) 2001-08-09
US6604219B1 (en) 2003-08-05
WO2001058102A9 (fr) 2002-10-31

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