DE69212027D1 - Verfahren und Vorrichtung zur digitalen Modulation - Google Patents

Verfahren und Vorrichtung zur digitalen Modulation

Info

Publication number
DE69212027D1
DE69212027D1 DE69212027T DE69212027T DE69212027D1 DE 69212027 D1 DE69212027 D1 DE 69212027D1 DE 69212027 T DE69212027 T DE 69212027T DE 69212027 T DE69212027 T DE 69212027T DE 69212027 D1 DE69212027 D1 DE 69212027D1
Authority
DE
Germany
Prior art keywords
digital modulation
modulation
digital
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
DE69212027T
Other languages
English (en)
Other versions
DE69212027T2 (de
Inventor
Ichirou Konno
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69212027D1 publication Critical patent/DE69212027D1/de
Publication of DE69212027T2 publication Critical patent/DE69212027T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/463—Controlling, regulating, or indicating speed by using pilot tracking tones embedded in binary coded signals, e.g. using DSV/CDS values of coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • 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
    • 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
    • H03M5/145—Conversion to or from block codes or representations thereof
    • 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
    • G11B2020/1438—8 to 10 modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69212027T 1991-03-29 1992-03-27 Verfahren und Vorrichtung zur digitalen Modulation Expired - Fee Related DE69212027T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3066963A JP2741112B2 (ja) 1991-03-29 1991-03-29 ディジタル変調方式およびディジタル変調装置

Publications (2)

Publication Number Publication Date
DE69212027D1 true DE69212027D1 (de) 1996-08-14
DE69212027T2 DE69212027T2 (de) 1996-12-19

Family

ID=13331188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69212027T Expired - Fee Related DE69212027T2 (de) 1991-03-29 1992-03-27 Verfahren und Vorrichtung zur digitalen Modulation

Country Status (7)

Country Link
US (1) US5304997A (de)
EP (1) EP0506446B1 (de)
JP (1) JP2741112B2 (de)
KR (1) KR960003091B1 (de)
CN (1) CN1025253C (de)
DE (1) DE69212027T2 (de)
ES (1) ES2089394T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3355666B2 (ja) * 1992-10-22 2002-12-09 ソニー株式会社 変調回路
DE4241986A1 (de) * 1992-12-12 1994-06-16 Thomson Brandt Gmbh Verfahren zur Schrägspurmagnetbandaufzeichnung
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5870037A (en) * 1994-07-08 1999-02-09 Sony Corporation Method and apparatus, demodulating method and signal demodulating apparatus
JP3541439B2 (ja) * 1994-07-08 2004-07-14 ソニー株式会社 信号変調方法及び装置、並びに信号復調装置及び方法
JPH08287622A (ja) * 1995-04-12 1996-11-01 Toshiba Corp データ復号装置及び方法と記録媒体
CN1331148C (zh) * 1995-09-01 2007-08-08 皇家菲利浦电子有限公司 记录载体
US5757294A (en) * 1996-12-31 1998-05-26 Quantum Corporation Rate 24/25 modulation code for PRML recording channels
JP2002237036A (ja) * 2001-02-08 2002-08-23 Hitachi Ltd 情報記録方法、再生方法及び情報記録装置
US6812870B1 (en) * 2003-09-11 2004-11-02 Xilinx, Inc. Enhanced 8b/10b encoding/decoding and applications thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203619A (nl) * 1982-09-20 1984-04-16 Philips Nv Werkwijze voor het optekenen van een digitaal informatiesignaal op een registratiedrager, een registratiedrager voorzien van een dergelijk informatiesignaal en een inrichting voor het uitlezen respectievelijk inschrijven van een dergelijke registratiedrager.
US4646281A (en) * 1984-02-08 1987-02-24 Laser Magnetic Storage International Company Read channel for an optical recorder
JPS6130818A (ja) * 1984-07-23 1986-02-13 Matsushita Electric Ind Co Ltd デイジタル変調方法
JPH0612613B2 (ja) * 1986-03-18 1994-02-16 富士通株式会社 半導体記憶装置
US4833470A (en) * 1986-07-15 1989-05-23 Matsushita Electric Industrial Co., Ltd. Code conversion apparatus
NL8702905A (nl) * 1987-12-03 1989-07-03 Philips Nv Werkwijze en inrichting voor het optekenen van informatie, een registratiedrager, een inrichting voor het uitlezen van de opgetekende informatie, alsmede een codeer- en decodeerschakeling voor toepassing in de opteken- en uitleesinrichting.
JP2529335B2 (ja) * 1988-02-29 1996-08-28 松下電器産業株式会社 ディジタル信号記録再生方式
NL8801076A (nl) * 1988-04-26 1989-11-16 Philips Nv Inrichting voor het optekenen van een digitaal informatiesignaal.
US5016258A (en) * 1988-06-10 1991-05-14 Matsushita Electric Industrial Co., Ltd. Digital modulator and demodulator

Also Published As

Publication number Publication date
CN1025253C (zh) 1994-06-29
JP2741112B2 (ja) 1998-04-15
DE69212027T2 (de) 1996-12-19
US5304997A (en) 1994-04-19
KR920019077A (ko) 1992-10-22
EP0506446A1 (de) 1992-09-30
CN1066337A (zh) 1992-11-18
ES2089394T3 (es) 1996-10-01
EP0506446B1 (de) 1996-07-10
JPH04302224A (ja) 1992-10-26
KR960003091B1 (ko) 1996-03-04

Similar Documents

Publication Publication Date Title
DE69230022D1 (de) Verfahren und Vorrichtung zur Gewinnung von Objekttypen
DE69408749D1 (de) Verfahren und Vorrichtung zur digitalen Zeitverzögerung
DE69132110D1 (de) Verfahren und vorrichtung zur belichtung
DE3889106D1 (de) Verfahren und gerät zur spektraleffizienten digitalen modulation.
DE69232145D1 (de) Vorrichtung und Verfahren zur Belichtung
DE69533992D1 (de) Verfahren und Vorrichtung zur Übertragung von digitalen Signalen
DE69228536D1 (de) Einrichtung und verfahren zur vorkodierung
DE69226327D1 (de) Verfahren und Vorrichtung zur variablen Längenkodierung
DE69333818D1 (de) Verfahren und Vorrichtung zur Bilddatenkodierung
DE69321569D1 (de) Verfahren und Vorrichtung zur Zeicheneingabe
DE69129163D1 (de) Verfahren und Vorrichtung zur Texteingabe
DE69324743D1 (de) Vorrichtung und Verfahren zur Bildsignalkodierung
DE69332739D1 (de) Verfahren und vorrichtung zur präparativen elektroforese
DE69729347D1 (de) Vorrichtung und Verfahren zur digitalen Demodulation
DE59207521D1 (de) Verfahren und vorrichtung zur schaumerzeugung
DE69529636D1 (de) Verfahren und Vorrichtung zur Bewegtbildkodierung
DE69319855D1 (de) Verfahren und Vorrichtung zur Bilddatencodierung
DE68925399D1 (de) Verfahren und Gerät zur Bildtransformation
DE69109822D1 (de) Verfahren und Einrichtung zur Modulationserkennung.
DE69425057D1 (de) Vorrichtung und Verfahren zur Bildinterpolation
DE68928463D1 (de) Verfahren und vorrichtung zur wiedergabe
DE69207169D1 (de) Verfahren und vorrichtung zur rotationskalibrierung
ATA219392A (de) Verfahren und vorrichtung zur filtration
DE69433224D1 (de) Verbesserte einrichtung und verfahren zur prekodierung
DE69214582D1 (de) Verfahren und Vorrichtung zur Unterdrückung verfolgbarer Unterbilder

Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee