DE69325247D1 - Informationsaufzeichnungs- und/oder wiedergabegerät - Google Patents

Informationsaufzeichnungs- und/oder wiedergabegerät

Info

Publication number
DE69325247D1
DE69325247D1 DE69325247T DE69325247T DE69325247D1 DE 69325247 D1 DE69325247 D1 DE 69325247D1 DE 69325247 T DE69325247 T DE 69325247T DE 69325247 T DE69325247 T DE 69325247T DE 69325247 D1 DE69325247 D1 DE 69325247D1
Authority
DE
Germany
Prior art keywords
information recording
reproducing device
reproducing
recording
information
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 - Lifetime
Application number
DE69325247T
Other languages
English (en)
Other versions
DE69325247T2 (de
Inventor
Makoto Hiramatsu
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69325247D1 publication Critical patent/DE69325247D1/de
Publication of DE69325247T2 publication Critical patent/DE69325247T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69325247T 1992-12-16 1993-12-15 Informationsaufzeichnungs- und/oder wiedergabegerät Expired - Lifetime DE69325247T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4353876A JPH06187737A (ja) 1992-12-16 1992-12-16 情報記録再生装置

Publications (2)

Publication Number Publication Date
DE69325247D1 true DE69325247D1 (de) 1999-07-15
DE69325247T2 DE69325247T2 (de) 1999-11-11

Family

ID=18433824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325247T Expired - Lifetime DE69325247T2 (de) 1992-12-16 1993-12-15 Informationsaufzeichnungs- und/oder wiedergabegerät

Country Status (4)

Country Link
US (1) US5548284A (de)
EP (1) EP0602966B1 (de)
JP (1) JPH06187737A (de)
DE (1) DE69325247T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09128904A (ja) 1995-11-01 1997-05-16 Canon Inc 情報再生装置
US5786950A (en) * 1996-07-29 1998-07-28 Cirrus Logic, Inc. PR4 sampled amplitude read channel employing an NRZI write modulator and a PR4/NRZI converter
TW341415U (en) * 1997-04-08 1998-09-21 United Microelectronics Corp A digital data cutting circuit
TWI275254B (en) * 2005-05-17 2007-03-01 Cheertek Inc Digital data slicing circuit and slicing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408189A (en) * 1981-05-18 1983-10-04 Northern Telecom Limited Method and apparatus for code conversion of binary to multilevel signals
JPS5994214A (ja) * 1982-11-22 1984-05-30 Hitachi Ltd デイジタル信号記録装置
JPH0683271B2 (ja) * 1983-10-27 1994-10-19 ソニー株式会社 情報変換方式
JPH0775107B2 (ja) * 1986-07-25 1995-08-09 株式会社日立製作所 磁気記録装置の信号再生回路
DE3850859T2 (de) * 1987-12-01 1995-02-23 Matsushita Electric Ind Co Ltd Kodierungsgerät und dieses Gerät verwendendes magnetisches Aufzeichnungssystem.
JP2664249B2 (ja) * 1989-03-13 1997-10-15 株式会社日立製作所 タイミング抽出回路，それを利用した通信システム及びタイミング抽出方法並びに通信装置
JP2807362B2 (ja) * 1991-09-30 1998-10-08 株式会社東芝 情報再生装置

Also Published As

Publication number Publication date
DE69325247T2 (de) 1999-11-11
US5548284A (en) 1996-08-20
EP0602966A2 (de) 1994-06-22
EP0602966A3 (de) 1995-02-15
JPH06187737A (ja) 1994-07-08
EP0602966B1 (de) 1999-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition