KR960002310A - 광 디스크 기록 장치 - Google Patents

광 디스크 기록 장치 Download PDF

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Publication number
KR960002310A
KR960002310A KR1019950014554A KR19950014554A KR960002310A KR 960002310 A KR960002310 A KR 960002310A KR 1019950014554 A KR1019950014554 A KR 1019950014554A KR 19950014554 A KR19950014554 A KR 19950014554A KR 960002310 A KR960002310 A KR 960002310A
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KR
South Korea
Prior art keywords
optical disc
area
boundary
search method
unrecorded
Prior art date
Application number
KR1019950014554A
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English (en)
Other versions
KR100385501B1 (ko
Inventor
오사무 우다가와
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Publication of KR960002310A publication Critical patent/KR960002310A/ko
Application granted granted Critical
Publication of KR100385501B1 publication Critical patent/KR100385501B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/22—Means responsive to presence or absence of recorded information signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)

Abstract

트랙 점프중에 추기형 광 디스크로부터 재생된 RF 신호가 검출되어 추기형 광 디스크상의 기록 영역과 미기록 영역간의 경계를 검출하는 추기형 광 디스크 기록 장치가 개시된다. 이것은 기록 영역과 미기록 영역간의 대략적인 경계가 신속히 검색될 수 있도록 한다. 기록 영역과 미기록 영역간의 더 엄밀한 경계는 그후 대략적으로 검출된 경계에 2분 탐색법을 사용함으로써 신속히 검색될 수 있다.

Description

광 디스크 기록 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 추기형 광 디스크 기록 장치의 구성을 도시하는 개략적 블럭도,
제2도는 기록 영역과 미기록 영역사이의 경계를 검색하는 수순을 도시하는 흐름도,
제3도는 트랙 점프(track jump)중의 RF 신호를 사용한 검색의 수순을 도시하는 흐름도.

Claims (6)

  1. 광 빔이 광 디스크상에 조사되어 데이타를 기록하는 광 디스크 기록 장치에 있어서, 상기 광 디스크는기록 영역과 미기록 영역을 가지며, 상기 광 디스크 기록 장치는, 트랙킹 작동기와, 상기 트랙킹 작동기의 제어 이동을 위해 에러 신호를 출력하고 상기 트랙킹 작동기의 트랙 점프중에 RF 신호를 출력하는 회로 및, 상기 RF 신호를 수신하고 상기 기록 영역과 미기록 영역간의 경계를 검출하는 검출 장치를 포함하는 것을 특징으로 하는 광 디스크 기록 장치.
  2. 제1항에 있어서, 2분 탐색법을 사용하여, 상기 기록 영역과 미기록 영역간의 더 엄밀한 경계를 검출하는 것을 특징으로 하는 광 디스크 기록 장치.
  3. 제1항에 있어서, 상기 광 디스크의 검색 영역내의 물리 트랙수에 따라, 상기 기록 영역과 미기록 영역간의 경계를, 트랙 점프중에 상기 광 디스크로부터 재생된 RF 신호를 검출하는 방법 및 2분 탐색법을 사용하여 검출하거나, 또는 2분 탐색법만을 사용하여 검출하는 것을 특징으로 하는 광 디스크 기록 장치.
  4. 광빔이 광 디스크상에 조사되어 데이타를 기록하는 광 디스크 기록 장치에 있어서, 트랙 점프중에 상기 광 디스크로부터 재생된 RF 신호가 검출되어 상기 광 디스크상의 기록 영역과 미기록 영역간의 경계를 검출하는 것을 특징으로 하는 광 디스크 기록 장치.
  5. 제4항에 있어서, 2분 탐색법을 사용하여, 기록 완료 영역과 미기록 영역간의 더 엄밀한 경계를 검출하는 것을 특징으로 하는 광 디스크 기록 장치.
  6. 제4항에 있어서, 상기 광 디스크의 검색 영역내의 물리 트랙수에 따라, 기록 완료 영역과 미기록 영역간의 경계를, 트랙 점프중에 상기 광 디스크로부터 재생된 RF 신호를 검출하는 방법 및 2분 탐색법을 사용하여 검출하거나, 또는 2분 탐색법만을 사용하여 검출하는 것을 특징으로 하는 광 디스크 기록 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950014554A 1994-06-02 1995-06-02 광디스크기록장치 KR100385501B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-121099 1994-06-02
JP12109994A JP3413680B2 (ja) 1994-06-02 1994-06-02 追記型光ディスク装置及び追記型光ディスクの領域境界検索方法

Publications (2)

Publication Number Publication Date
KR960002310A true KR960002310A (ko) 1996-01-26
KR100385501B1 KR100385501B1 (ko) 2003-08-06

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Application Number Title Priority Date Filing Date
KR1019950014554A KR100385501B1 (ko) 1994-06-02 1995-06-02 광디스크기록장치

Country Status (5)

Country Link
US (2) US5706261A (ko)
JP (1) JP3413680B2 (ko)
KR (1) KR100385501B1 (ko)
CN (1) CN1071916C (ko)
MY (1) MY114521A (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100649146B1 (ko) * 1998-12-23 2006-11-24 도이체 톰손-브란트 게엠베하 정보 블록을 포함하는 녹화 매체를 위한 재생 기기

Also Published As

Publication number Publication date
US5920526A (en) 1999-07-06
JP3413680B2 (ja) 2003-06-03
CN1071916C (zh) 2001-09-26
JPH07326158A (ja) 1995-12-12
KR100385501B1 (ko) 2003-08-06
MY114521A (en) 2002-11-30
CN1121624A (zh) 1996-05-01
US5706261A (en) 1998-01-06

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