JP3500038B2 - 信号記録媒体判別方法 - Google Patents

信号記録媒体判別方法

Info

Publication number
JP3500038B2
JP3500038B2 JP13654197A JP13654197A JP3500038B2 JP 3500038 B2 JP3500038 B2 JP 3500038B2 JP 13654197 A JP13654197 A JP 13654197A JP 13654197 A JP13654197 A JP 13654197A JP 3500038 B2 JP3500038 B2 JP 3500038B2
Authority
JP
Japan
Prior art keywords
mode
signal recording
recording medium
optical head
light beam
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 - Fee Related
Application number
JP13654197A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10334571A (ja
Inventor
聡 阿部
中村　　憲治
貴雄 福元
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13654197A priority Critical patent/JP3500038B2/ja
Priority to KR1019970075166A priority patent/KR100487046B1/ko
Publication of JPH10334571A publication Critical patent/JPH10334571A/ja
Application granted granted Critical
Publication of JP3500038B2 publication Critical patent/JP3500038B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP13654197A 1997-05-27 1997-05-27 信号記録媒体判別方法 Expired - Fee Related JP3500038B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13654197A JP3500038B2 (ja) 1997-05-27 1997-05-27 信号記録媒体判別方法
KR1019970075166A KR100487046B1 (ko) 1997-05-27 1997-12-27 신호기록매체판별방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13654197A JP3500038B2 (ja) 1997-05-27 1997-05-27 信号記録媒体判別方法

Publications (2)

Publication Number Publication Date
JPH10334571A JPH10334571A (ja) 1998-12-18
JP3500038B2 true JP3500038B2 (ja) 2004-02-23

Family

ID=15177614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13654197A Expired - Fee Related JP3500038B2 (ja) 1997-05-27 1997-05-27 信号記録媒体判別方法

Country Status (2)

Country Link
JP (1) JP3500038B2 (ko)
KR (1) KR100487046B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100438783B1 (ko) 2002-01-15 2004-07-05 삼성전자주식회사 디스크 판별 방법
KR100548231B1 (ko) * 2003-09-30 2006-02-02 삼성전자주식회사 광디스크 판별방법 및 그 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06325481A (ja) * 1993-05-14 1994-11-25 Pioneer Electron Corp 光ディスク判別装置
JPH0944982A (ja) * 1995-07-28 1997-02-14 Victor Co Of Japan Ltd ディスク判別装置及び方法並びに情報再生装置及び方法
JPH09102129A (ja) * 1995-10-05 1997-04-15 Pioneer Electron Corp フォーカスサーボ制御方法及び装置
JPH09106617A (ja) * 1995-10-06 1997-04-22 Pioneer Electron Corp 情報記録媒体判別方法及び装置並びにフォーカスサーボ制御方法及び装置
JPH09138956A (ja) * 1995-11-10 1997-05-27 Toshiba Corp 光学的記録媒体のタイプを判別する装置及び対物レンズ駆動装置

Also Published As

Publication number Publication date
JPH10334571A (ja) 1998-12-18
KR100487046B1 (ko) 2005-06-16
KR19980086472A (ko) 1998-12-05

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