KR880005612A - 데이타 재생장치 - Google Patents

데이타 재생장치 Download PDF

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Publication number
KR880005612A
KR880005612A KR870011273A KR870011273A KR880005612A KR 880005612 A KR880005612 A KR 880005612A KR 870011273 A KR870011273 A KR 870011273A KR 870011273 A KR870011273 A KR 870011273A KR 880005612 A KR880005612 A KR 880005612A
Authority
KR
South Korea
Prior art keywords
binarizer
pick
data
data player
output
Prior art date
Application number
KR870011273A
Other languages
English (en)
Other versions
KR960013771B1 (ko
Inventor
겐지 나까노
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR880005612A publication Critical patent/KR880005612A/ko
Application granted granted Critical
Publication of KR960013771B1 publication Critical patent/KR960013771B1/ko

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Classifications

    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • 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
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음

Description

데이타 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 데이타 재생장치의 원리적 구성을 도시하는 접속도.
제2도 및 제3도는 그 주파수 특성 및 위상 특성의 개선 설명에 제공되는 특성 곡선도.

Claims (1)

  1. 자기 테이프 상에 바이페이즈마크 방식으로 변조되어서 기록된 데이타를 자기 헤드에 의해서 픽업하고, 해당 픽업 출력에 의거하여 정보 데이타를 복조하도록 이뤄진 데이타 재생장치에 있어서, 상기 픽업 출력의 특성에 대응시켜서 등화특성을 절환하므로서 논리「1」또는 「0」에 대응하는 이궐라이저 출력을 그 아이패턴의 개구율이 최대가 되도록 등화 처리하는 이궐라이저를 갖추는 것을 특징으로 하는 데이타 재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870011273A 1986-10-11 1987-10-10 데이타 재생장치 KR960013771B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61241594A JPH0740332B2 (ja) 1986-10-11 1986-10-11 デ−タ再生装置
JP241594 1988-09-27

Publications (2)

Publication Number Publication Date
KR880005612A true KR880005612A (ko) 1988-06-29
KR960013771B1 KR960013771B1 (ko) 1996-10-10

Family

ID=17076630

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870011273A KR960013771B1 (ko) 1986-10-11 1987-10-10 데이타 재생장치

Country Status (8)

Country Link
US (1) US4841385A (ko)
EP (1) EP0264228B1 (ko)
JP (1) JPH0740332B2 (ko)
KR (1) KR960013771B1 (ko)
CN (1) CN1011111B (ko)
DE (1) DE3784436T2 (ko)
ES (1) ES2038186T3 (ko)
HK (1) HK96095A (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02239474A (ja) * 1989-02-03 1990-09-21 Deutsche Thomson Brandt Gmbh オーデイオまたはビデオ信号のデイジタル記録および再生用の装置
JP3282180B2 (ja) * 1990-08-28 2002-05-13 ソニー株式会社 磁気記録再生装置
EP0527017B1 (en) * 1991-08-03 1997-03-26 Sony Corporation Magnetic reproducing apparatus
US5864442A (en) * 1995-05-29 1999-01-26 Canon Kabushiki Kaisha Reproducing apparatus capable of controlling equalization characteristics
KR101320156B1 (ko) * 2011-11-11 2013-10-23 삼성전기주식회사 직류 오프셋 제거 회로

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465321A (en) * 1966-02-21 1969-09-02 Potter Instrument Co Inc Differential amplifier and peak detector for multiple speed magnetic tape transport
FR2469043B1 (fr) * 1979-10-31 1986-01-24 Enertec Filtres accordes par commutation et utilisation dans un egalisateur d'enregistrement magnetique
US4297730A (en) * 1979-11-01 1981-10-27 Pioneer Electronic Corporation Magnetic recording and reproducing device
US4371901A (en) * 1980-10-16 1983-02-01 Honeywell Inc. Programmable signal equalizer
JPS57195307A (en) * 1981-05-25 1982-12-01 Hitachi Ltd Magnetic recording and reproducing device
JPS5862796A (ja) * 1981-10-08 1983-04-14 ソニー株式会社 電子機器
DE3314393A1 (de) * 1983-04-21 1984-10-25 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Demodulationsschaltung fuer ein biphase-signal
JPS6089183A (ja) * 1983-10-21 1985-05-20 Sony Corp Ｐｃｍ信号の再生イコライザ回路

Also Published As

Publication number Publication date
CN1032611A (zh) 1989-04-26
JPH0740332B2 (ja) 1995-05-01
CN1011111B (zh) 1991-01-02
US4841385A (en) 1989-06-20
DE3784436T2 (de) 1993-08-19
DE3784436D1 (de) 1993-04-08
KR960013771B1 (ko) 1996-10-10
HK96095A (en) 1995-06-23
JPS6396775A (ja) 1988-04-27
EP0264228A3 (en) 1989-10-18
ES2038186T3 (es) 1993-07-16
EP0264228B1 (en) 1993-03-03
EP0264228A2 (en) 1988-04-20

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