KR900018980A - 디지탈 신호 재생 장치 - Google Patents

디지탈 신호 재생 장치 Download PDF

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Publication number
KR900018980A
KR900018980A KR1019890006930A KR890006930A KR900018980A KR 900018980 A KR900018980 A KR 900018980A KR 1019890006930 A KR1019890006930 A KR 1019890006930A KR 890006930 A KR890006930 A KR 890006930A KR 900018980 A KR900018980 A KR 900018980A
Authority
KR
South Korea
Prior art keywords
digital signal
reproduction
signal
playback device
signal playback
Prior art date
Application number
KR1019890006930A
Other languages
English (en)
Other versions
KR0157047B1 (ko
Inventor
게이지 가노따
하지메 이노우에
다까히또 세끼
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14971144&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR900018980(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR900018980A publication Critical patent/KR900018980A/ko
Application granted granted Critical
Publication of KR0157047B1 publication Critical patent/KR0157047B1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Dc Digital Transmission (AREA)

Abstract

내용 없음

Description

디지탈 신호 재생 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한예의 구성도면.
제2도는 그 설명을 위한 도면.
제3도는 디지탈 VTR의 설명을 위한 도면.

Claims (1)

  1. 디지탈 신호 재생 장치에 있어서, 기록 재생 방식의 파샬, 레스폰스, 크라스IV를 채용하고, 재생 신호를 나이키스트 주파수를 컷 오프로 하는 저역 필터에 공급함과 동시에, 상기 재생 신호로부터 전송 레이트와 동등한 클럭 신호를 재생하고, 이 클럭 신호로 상기 필터의 출력을 샘플링해서 AD변환하고, 이 AD변환된 디지탈 데이타로 재생 처리를 해서 재생 디지탈 신호를 보내도록 하는 것을 특징으로 하는 디지탈 신호 재생 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006930A 1988-05-25 1989-05-24 디지털 신호 재생 장치 KR0157047B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63127888A JP2840747B2 (ja) 1988-05-25 1988-05-25 ディジタル信号再生装置
JP88-127888 1988-05-25

Publications (2)

Publication Number Publication Date
KR900018980A true KR900018980A (ko) 1990-12-22
KR0157047B1 KR0157047B1 (ko) 1998-12-15

Family

ID=14971144

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890006930A KR0157047B1 (ko) 1988-05-25 1989-05-24 디지털 신호 재생 장치

Country Status (6)

Country Link
US (1) US4984099A (ko)
EP (1) EP0343929B1 (ko)
JP (1) JP2840747B2 (ko)
KR (1) KR0157047B1 (ko)
AU (1) AU629548B2 (ko)
DE (1) DE68915053T2 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141968A (ja) * 1988-11-22 1990-05-31 Sony Corp デイジタル信号の再生回路
JP2830352B2 (ja) * 1990-04-11 1998-12-02 ソニー株式会社 デジタルデータ検出装置
US5291500A (en) * 1990-05-22 1994-03-01 International Business Machines Corporation Eight-sample look-ahead for coded signal processing channels
NL9002839A (nl) * 1990-12-21 1992-07-16 Philips Nv Inrichting voor het optekenen van "clock run-in" kodewoorden aan het begin van een spoor op een magnetische registratiedrager.
JP3013535B2 (ja) * 1991-08-03 2000-02-28 ソニー株式会社 磁気再生装置
DE69218514T2 (de) * 1991-08-03 1997-07-17 Sony Corp Magnetisches Wiedergabegerät
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
JPH06231406A (ja) * 1993-02-04 1994-08-19 Hitachi Ltd 磁気記録再生方法および磁気記録再生装置
US5521767A (en) * 1993-09-17 1996-05-28 Quantum Corporation Optimized equalizer system for data recovery and timing extraction in partial response read channels
JPH08138324A (ja) * 1994-11-11 1996-05-31 Fujitsu Ltd Ｅｐｒ４信号の位相差検出回路
TW282598B (ko) 1995-02-22 1996-08-01 Fujitsu Ltd
JP2945307B2 (ja) * 1995-02-22 1999-09-06 富士通株式会社 Ａ／ｄ変換器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509185A (en) * 1982-08-09 1985-04-02 Grunberg Robert Michael Time domain audio panner
JPH065593B2 (ja) * 1982-09-28 1994-01-19 株式会社東芝 磁気ディスク装置のパルス回路
US4504872A (en) * 1983-02-08 1985-03-12 Ampex Corporation Digital maximum likelihood detector for class IV partial response
JPS59154887A (ja) * 1983-02-23 1984-09-03 Sony Corp 映像信号受信装置
US4635143A (en) * 1983-06-30 1987-01-06 Kabushiki Kaisha Toshiba Waveform equalizer for signal reproduced from magnetic recording medium
US4618941A (en) * 1983-09-19 1986-10-21 Motorola, Inc. Apparatus and method for generating filtered multilevel data from NRZ data
US4620158A (en) * 1984-06-20 1986-10-28 Pioneer Electronic Corp. PCM signal demodulating circuit
US4707841A (en) * 1984-08-21 1987-11-17 University Of Toronto, Innovations Foundation Digital data receiver for preamble free data transmission
US4613913A (en) * 1984-09-05 1986-09-23 Etak, Inc. Data encoding and decoding scheme
US4609907A (en) * 1984-10-31 1986-09-02 International Business Machines Corporation Dual channel partial response system
DE3445551A1 (de) * 1984-12-14 1986-06-19 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur adaptiven entzerrung von binaer codierten datensignalen
JP2601259B2 (ja) * 1986-02-24 1997-04-16 日本ビクター株式会社 磁気記録方式及び磁気記録再生方式
JPS62246174A (ja) * 1986-04-18 1987-10-27 Sanyo Electric Co Ltd 固定ヘツド型デイジタル磁気再生装置
US4726067A (en) * 1986-11-04 1988-02-16 New England Digital Corporation Method of and apparatus for extending the useful dynamic range of digital-audio systems
JP2629238B2 (ja) * 1988-02-05 1997-07-09 ソニー株式会社 復号装置及び復号方法

Also Published As

Publication number Publication date
AU3508189A (en) 1989-11-30
EP0343929A3 (en) 1991-12-18
DE68915053T2 (de) 1994-08-18
US4984099A (en) 1991-01-08
AU629548B2 (en) 1992-10-08
EP0343929A2 (en) 1989-11-29
EP0343929B1 (en) 1994-05-04
DE68915053D1 (de) 1994-06-09
KR0157047B1 (ko) 1998-12-15
JPH01296466A (ja) 1989-11-29
JP2840747B2 (ja) 1998-12-24

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