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KR920006940A - 디지탈 정보 신호 기록 장치 - Google Patents

디지탈 정보 신호 기록 장치 Download PDF

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Publication number
KR920006940A
KR920006940A KR1019910016521A KR910016521A KR920006940A KR 920006940 A KR920006940 A KR 920006940A KR 1019910016521 A KR1019910016521 A KR 1019910016521A KR 910016521 A KR910016521 A KR 910016521A KR 920006940 A KR920006940 A KR 920006940A
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South Korea
Prior art keywords
signal
bit
word
digital
information
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KR1019910016521A
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English (en)
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KR100221903B1 (ko
Inventor
아르놀두스 헨리쿠스 마리아 칼만 요세푸스
야코부스 반 게스텔 빌헬무스
Original Assignee
프레데릭 얀 스미트
엔.브이.필립스 글로아이람펜파브리켄
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Priority claimed from NL9002069A external-priority patent/NL9002069A/nl
Application filed by 프레데릭 얀 스미트, 엔.브이.필립스 글로아이람펜파브리켄 filed Critical 프레데릭 얀 스미트
Publication of KR920006940A publication Critical patent/KR920006940A/ko
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Publication of KR100221903B1 publication Critical patent/KR100221903B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G11B5/592—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
    • G11B5/5921—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals
    • 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
    • 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
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G11B5/09—Digital recording

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Dc Digital Transmission (AREA)

Abstract

내용 없음

Description

디지탈 정보 신호 기록 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 장치의 전형적인 제1실시예를 도시한 도
제2도는 2T 프리코더를 도시한 도,
제3a도 및 b도는 24-비트 정보 워드로부터 25-비트 채널 워드로 변환시킨 것을 도시한 도.

Claims (10)

  1. 정보 트랙의 디지탈 정보 신호를 자기 기록 캐리어상에 기록하고 상기 기록에 앞서 현재의 디지탈 정보 신호의 n-비트 정보 신호를 (n+m)-비트 채널 워드로 변환시키기 위한-여기서 n 및 m은 m≥1 및 n＞m인 정수-디지탈 정보 신호 기록 장치에 있어서, -n-비트 정보를 워드를 수신하기 위한 입력 단자, -입력 단자에 연결된 입력 및 출력을 갖으며, 2보다 크거나 같은 정수인 aT프리코더를 구비하며, n-비트 정보워드를 (n+m)-비트채널 워드로 변환시키고 출력에서 상기 채널 워드를 나타내기 위하여 배치되는 엔코딩 장치, -상기 엔코딩 장치의 출력에 연결된 입력을 가지며 정보 트랙의 (n+m)-비트 채널 워드를 자기 기록 캐리어상에 기록하기 위한 기록 장치를 구비하며, 상기 엔코딩 장치는 매시간 m-비트 디지탈 워드-여기서 m은 1과 같다-를 연속적인 n-비트 정보 워드에 첨가시키기 위한 신호 첨가 수단을 구비하여 (n+1)-비트 정보 워드를 얻으며, aT프리코더는 (n+1)-비트 정보 워드를 (n+1)-비트 채널 워드로 변환시키며, 상기 엔코딩 장치는 제어 신호 발생 수단을 추가로 포함하며, 상기 제어 신호 발생 수단은 aT프리코더에서 나온 (n+1)-비트 채널 워드를 수신하고 (n+1)-비트 채널 워드로부터 제어 신호를 발생시키기 위하여 배치되고 상기 신호 첨가 수단은 1-비트 디지탈워드를 이 제어 신호에 응답하여 n-비트 정보 워드에 첨가하기 위하여 배치되어 시간에 대해 플롯되는 프리더의 출력 신호에서의 런닝 디지탈 합값에 소망 패턴에 따라서 작용하는 것을 나타내는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  2. 제1항에 있어서, n은 10보다 크거나 같은 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  3. 제2항에 있어서, n은 24와 동일한 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  4. 선행항중 어느 한 항에 있어서, a가 2 또는 3과 동일한 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  5. 선행항중 어느 한 항에 있어서, 신호 첨가 수단이 이 제어 신호의 영향하에서 매시간 1-비트 디지탈 워드를 n-비트 정보 워드에 첨가하기 위하여 배치되어 aT프리코더의 출력 신호의 주파수 특성이 적어도 하나의 특정값에서 딥을 나타내는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  6. 선행항중 어느 한 항에 있어서, 상기 신호 첨가 수단이 이 제어 신호의 영항하에서 매시간 1-비트 디지탈 워드를 n-비트 정보 워드에 첨가하기 위하여 배치되어 aT 프리코더의 출력 신호의 주파수 특성이 특정 주파수 값에서 피크를 나타내는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  7. 제6항에 있어서, 상기 신호 첨가 수단이 매시간 1-비트 디지탈 워드를 n-비트 디지탈 워드에 첨가하기 위하여 추가로 배치되어 주파수 특성이 상기 주파수 값을 갖는 피크 근처에서 딥을 나타내는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  8. 선행항중 어느 한 항에 있어서, 상기 장치가 aT 프리코더의 출력 신호에서 연속적인 “0” 또는 “1”의 최대수를 결정하기 위한-만일 “0” 또는 “1”의 이 최대수가 특정 임계값을 초과한다면 제어 신호를 발생시키기 위하여 배치되며-Tmax 결정 수단을 구비하며, 상기 장치는 Tmax결정 수단의 제어 신호 영향하에서 제어 신호 발생 수단의 제어 신호를 블럭킹하고 제어 신호를 신호 전가 수단에 발생시키기 위한 블럭킹 수단을 추가로 포함하고 상기 신호 전가 수단이 블럭킹 수단의 제어 신호 영향하에서 1-비트 디지탈 워드를 n-비트 정보 워드에 첨가하기 위하여 배치되어 aT프리코더의 출력 신호에서 “0” 또는 “1”의 최대수중 하나가 상기 임계값을 초과하지 못하거나 또는 채널 워드가 n-비트 정보를 워드로부터 얻어지는 (n+1)-비트 채널 워드로부터 나온 출력 신호를 프리코더에서 “0” 또는 “1”의 가장 작은 최대수를 갖는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  9. 선행항중 어느 한 항에 있어서, 상기 장치는 신호 첨가 수단 및 aT프리코더간에 삽입되는 신호 결합 수단을 추가로 포함하며, 상기 신호 결합수단은 신호 첨가 수단으로부터 입력에서 (n+1)-비트 정보 워드를 수신하고 출력에서 (n+1)-비트 정보 워드를타내기 위하여 배치되고 신호 결합 수단은 자체의 입력에 인가되는 (n+1)-비트 정보 워드의 1번째 비트와 1-비트 디지탈 워드를 결합시키기 위하여 배치되어 자체 출력에서 (n+1)-비트 정보 워드의 1번째 비트를 얻는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
  10. 제9항에 있어서, 신호 결합 수단이 적어도 하나의 EXOR 게이트를 구비하는 것을 특징으로 하는 디지탈 정보 신호 기록 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910016521A 1990-09-21 1991-09-20 디지탈 정보 신호 기록 장치 KR100221903B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL9002069 1990-09-21
NL9002069A NL9002069A (nl) 1990-09-21 1990-09-21 Inrichting voor het optekenen van een digitaal informatiesignaal in een registratiedrager.
NL9002772 1990-12-17
NL9002772A NL9002772A (nl) 1990-09-21 1990-12-17 Inrichting voor het optekenen van een digitaal informatiesignaal in een registratiedrager.

Publications (2)

Publication Number Publication Date
KR920006940A true KR920006940A (ko) 1992-04-28
KR100221903B1 KR100221903B1 (ko) 1999-09-15

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ID=26646745

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910016521A KR100221903B1 (ko) 1990-09-21 1991-09-20 디지탈 정보 신호 기록 장치

Country Status (19)

Country Link
US (1) US5142421A (ko)
EP (1) EP0476767B1 (ko)
JP (1) JP3130345B2 (ko)
KR (1) KR100221903B1 (ko)
CN (1) CN1027664C (ko)
AT (1) ATE136149T1 (ko)
AU (1) AU643921B2 (ko)
BR (1) BR9104007A (ko)
CZ (1) CZ288091B6 (ko)
DE (1) DE69118288T2 (ko)
DK (1) DK0476767T3 (ko)
ES (1) ES2088785T3 (ko)
HK (1) HK1006478A1 (ko)
NL (1) NL9002772A (ko)
RU (1) RU2067781C1 (ko)
SG (1) SG44720A1 (ko)
SK (1) SK280674B6 (ko)
TW (1) TW200587B (ko)
UA (1) UA29376C2 (ko)

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SK285391A3 (en) 1995-01-05
SK280674B6 (sk) 2000-06-12
SG44720A1 (en) 1997-12-19
KR100221903B1 (ko) 1999-09-15
AU643921B2 (en) 1993-11-25
HK1006478A1 (en) 1999-02-26
UA29376C2 (uk) 2000-11-15
AU8455591A (en) 1992-03-26
JP3130345B2 (ja) 2001-01-31
DE69118288D1 (de) 1996-05-02
EP0476767A1 (en) 1992-03-25
CN1027664C (zh) 1995-02-15
CZ288091B6 (cs) 2001-04-11
CN1059987A (zh) 1992-04-01
RU2067781C1 (ru) 1996-10-10
JPH04255969A (ja) 1992-09-10
DE69118288T2 (de) 1996-10-02
TW200587B (ko) 1993-02-21
EP0476767B1 (en) 1996-03-27
DK0476767T3 (da) 1996-08-12
US5142421A (en) 1992-08-25
BR9104007A (pt) 1992-05-26
CZ285391A3 (en) 1994-08-17
ATE136149T1 (de) 1996-04-15
ES2088785T3 (es) 1996-09-16

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