JP2000506302A - 種々の構造を有する光記録媒体への書き込み及び/又は読み出し装置 - Google Patents
種々の構造を有する光記録媒体への書き込み及び/又は読み出し装置Info
- Publication number
- JP2000506302A JP2000506302A JP9532231A JP53223197A JP2000506302A JP 2000506302 A JP2000506302 A JP 2000506302A JP 9532231 A JP9532231 A JP 9532231A JP 53223197 A JP53223197 A JP 53223197A JP 2000506302 A JP2000506302 A JP 2000506302A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- optical recording
- signal
- focus
- writing
- 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.)
- Granted
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
- 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
- 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
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in 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
- G11B7/08—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
- G11B7/0945—Methods for initialising servos, start-up sequences
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
-
- 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
- G11B2019/121—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark by photo-electric sensing
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.種々の光記録媒体(AT)への書き込み又は読み出しを行う装置であって、 該記録媒体(AT)の物理特性にアクセスする識別手段(S,SW,AE)が光 記録媒体(AT)の種類を識別するためにあることを特徴とする種々の光記録媒 体(AT)への書き込み又は読み出しを行う装置。 2.光記録媒体(AT)の層の厚さ(d1,d2)が該識別手段により決定され ることを特徴とする請求項1に記載の装置。 3.光軸に沿って焦点(F1,F2)を移動するための焦点調節手段(FM)が あり、該光記録媒体(AT)から反射された光を検出するための検出手段(PD )があり、該識別手段が評価手段(AE)により形成され該検出手段により出力 された信号を評価することにより光記録媒体の種類を区別し、焦点調節手段(F M)を制御する制御装置(SE)があり、該制御装置は該評価手段(AE)の出 力信号の関数として焦点(F1,F2)を移動する変数を定め、該評価手段(A E)が曖昧チェック装置を有し、検出手段(PD)から出力された信号を検査し 該出力信号が適正な値の範囲にあるか、即ち該出力信号がもっともらしいかを調 べ、検出手段(PD)により出力された信号がもっともらしくなければ該評価手 段(AE)は出力信号を制御装置(SE)に出力し変数の変更を行うことを特徴 とする請求項1に記載の装置。 4.光記録媒体(AT)への書き込み又は読み出しを行う装 置であって、該装置が: 光軸に沿って焦点(F1,F2)を移動させるための焦点調節手段(FM)と 、 光記録媒体(AT)から反射された光を検出するための検出手段(PD)と、 該検出手段(PD)により出力された信号の時間特性の多数の特徴を評価する ことにより光記録媒体(AT)の物理特性を区別する評価手段(AE)と、 を有することを特徴とする光記録媒体(AT)への書き込み又は読み出しを行う 装置。 5.焦点(F1,F2)が光軸に沿って移動している間、該評価手段(AE)が 該検出手段(PD)により出力された信号を評価していることを特徴とする請求 項4に記載の装置。 6.出力された信号の極値の間の時間間隔を決定する時間捕捉手段、又は出力さ れた信号の極値の大きさを決定する大きさ捕捉手段が与えられていることを特徴 とする請求項4に記載の装置。 7.検出手段(PD)が出力した信号の特性信号の特徴を記憶するメモリ装置( SP)があり、該特徴が光記録媒体(AT)の種々の種類により決定され、更に 比較装置(VE)があり、該比較装置は測定した信号の特徴と記憶された信号の 特徴を比較し、この比較に基づき光記録媒体(AT)の対応する種類が割り当て られることを特徴とする請求項4に記載の装置。 8.焦点調節手段(FM)が多焦点レンズ(OL)を有して いることを特徴とする請求項4から7のいずれか1つに記載の装置。 9.種々の光記録媒体(AT)への書き込み又は読み出しを行う装置であって、 該光記録媒体(AT)の種類を識別するため、操作者が操作するスイッチ(SW )又はセンサが備えられているか、又は光記録媒体(AT)により動作するスイ ッチ又はセンサが備えられていることを特徴とする装置。 10.物理的な特性に基づき光記録媒体(AT)への書き込み又は読み出しのた めの装置の焦点(F1,F2)の移動の設定を変更する方法であって、次の各段 階: −記録媒体(AT)を該装置に挿入すること、 −該装置の予め定められた設定に基づき光軸(OA)に沿って焦点(F1,F2 )を移動すること、 −該移動の間光記録媒体(AT)から反射された光を検出し、該反射された光の 強度に対応した信号(FE,M)を発生すること、 −該信号(FE,M)を使用し、挿入された記録媒体(AT)の物理特性に適し た設定を決定すること、 −決定された設定に基づき読み出し又は書き込みのための装置の焦点(F1,F 2)を移動させる設定を変えること、 を備えていることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19609575.1 | 1996-03-12 | ||
DE19609575A DE19609575A1 (de) | 1996-03-12 | 1996-03-12 | Gerät zum Beschreiben und/oder Lesen optischer Aufzeichnungsträger unterschiedlichen Aufbaus |
PCT/EP1997/000943 WO1997034296A2 (de) | 1996-03-12 | 1997-02-27 | Gerät zum beschreiben und/oder lesen optischer aufzeichnungsträger unterschiedlichen aufbaus |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000506302A true JP2000506302A (ja) | 2000-05-23 |
JP4419200B2 JP4419200B2 (ja) | 2010-02-24 |
Family
ID=7787986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53223197A Expired - Fee Related JP4419200B2 (ja) | 1996-03-12 | 1997-02-27 | 種々の構造を有する光記録媒体への書き込み及び/又は読み出し装置 |
Country Status (14)
Country | Link |
---|---|
US (1) | US6285641B1 (ja) |
EP (3) | EP1126447B1 (ja) |
JP (1) | JP4419200B2 (ja) |
KR (1) | KR100474932B1 (ja) |
CN (2) | CN1122261C (ja) |
AU (1) | AU1924097A (ja) |
DE (4) | DE19609575A1 (ja) |
ES (1) | ES2167714T3 (ja) |
HK (2) | HK1018117A1 (ja) |
ID (1) | ID16230A (ja) |
MX (1) | MX9807331A (ja) |
MY (1) | MY127473A (ja) |
TW (1) | TW402716B (ja) |
WO (1) | WO1997034296A2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69709011T2 (de) * | 1996-09-25 | 2002-05-02 | Victor Company Of Japan, Ltd. | Vorrichtung zur Bestimmung des Typs einer Platte, Wiedergabegerät für optische Platte und Vorrichtung zur Detektion eines Spurverfolgungsfehlersignals |
JP2000100059A (ja) * | 1998-09-18 | 2000-04-07 | Mitsumi Electric Co Ltd | 光ディスク装置 |
KR100346701B1 (ko) * | 1999-05-25 | 2002-08-01 | 삼성전자 주식회사 | 레이저 다이오드의 출력 제어 방법 및 이에 적합한 장치 |
US6568594B1 (en) * | 1999-12-15 | 2003-05-27 | Koninklijke Philips Electronics N.V. | Optical scanning device |
KR20050116159A (ko) * | 2003-04-02 | 2005-12-09 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디스크 드라이브 장치와, 씨디 및 디브이디를 인식하는방법 |
EP1770699B1 (en) | 2005-09-28 | 2012-03-28 | Panasonic Corporation | Optical disk drive |
JP2009245539A (ja) * | 2008-03-31 | 2009-10-22 | Sony Corp | 光ディスク装置及びメディア種類判別方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139982A (ja) * | 1984-12-12 | 1986-06-27 | Canon Inc | 光学式情報再生装置 |
JPS61283035A (ja) * | 1985-06-07 | 1986-12-13 | Matsushita Electric Ind Co Ltd | 光学式記録再生装置 |
FR2598017B1 (fr) | 1986-04-25 | 1990-10-05 | Dianous Herve De | Dispositif de commande d'un synthetiseur de frequences par un instrument de musique a cordes frottees. |
JPS6323266A (ja) * | 1986-07-16 | 1988-01-30 | Pioneer Electronic Corp | デイスク検出装置 |
JPS63109366U (ja) * | 1986-12-27 | 1988-07-14 | ||
JPS63285730A (ja) * | 1987-05-19 | 1988-11-22 | Hitachi Ltd | 光ディスク装置の自動焦点制御方法 |
JPH0354740A (ja) | 1989-07-24 | 1991-03-08 | Matsushita Electric Ind Co Ltd | 光学情報記録部材および光学情報記録再生装置 |
JPH04113556A (ja) | 1990-08-31 | 1992-04-15 | Sony Corp | 光ディスク再生装置 |
JPH04364229A (ja) * | 1990-11-01 | 1992-12-16 | Matsushita Electric Ind Co Ltd | 光方式記録再生方法および記録媒体、光方式記録再生装置 |
JP2986587B2 (ja) * | 1991-08-21 | 1999-12-06 | 松下電器産業株式会社 | 光学的情報記録/再生装置 |
JPH05258450A (ja) | 1992-03-11 | 1993-10-08 | Clarion Co Ltd | ディスクサイズ検出装置 |
JP2532818B2 (ja) * | 1993-02-01 | 1996-09-11 | 松下電器産業株式会社 | 対物レンズおよび光ヘッド装置 |
JPH06302095A (ja) * | 1993-04-13 | 1994-10-28 | Matsushita Electric Ind Co Ltd | Cdドライブ装置 |
JP3519804B2 (ja) | 1994-11-10 | 2004-04-19 | オリンパス株式会社 | 光ピックアップ装置 |
US6026065A (en) * | 1995-03-04 | 2000-02-15 | Lg Electronics Inc. | Optical pick-up apparatus capable of reading data irrespective of disc type |
JPH08287588A (ja) | 1995-04-20 | 1996-11-01 | Matsushita Electric Ind Co Ltd | ディスク判別装置 |
JP3408016B2 (ja) | 1995-05-08 | 2003-05-19 | 三洋電機株式会社 | 光記録媒体のディスク厚判別装置 |
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 |
TW385435B (en) * | 1996-05-30 | 2000-03-21 | Hitachi Ltd | An optical disk discriminating system of optical disk apparatus |
JP3439300B2 (ja) * | 1996-06-11 | 2003-08-25 | パイオニア株式会社 | 情報記録媒体判別装置 |
-
1996
- 1996-03-12 DE DE19609575A patent/DE19609575A1/de not_active Withdrawn
-
1997
- 1997-02-21 TW TW086102070A patent/TW402716B/zh not_active IP Right Cessation
- 1997-02-27 EP EP01110289A patent/EP1126447B1/de not_active Expired - Lifetime
- 1997-02-27 EP EP06100348A patent/EP1646040B1/de not_active Expired - Lifetime
- 1997-02-27 EP EP97907045A patent/EP0900435B1/de not_active Expired - Lifetime
- 1997-02-27 JP JP53223197A patent/JP4419200B2/ja not_active Expired - Fee Related
- 1997-02-27 KR KR10-1998-0707048A patent/KR100474932B1/ko not_active IP Right Cessation
- 1997-02-27 CN CN97192914A patent/CN1122261C/zh not_active Expired - Fee Related
- 1997-02-27 WO PCT/EP1997/000943 patent/WO1997034296A2/de active IP Right Grant
- 1997-02-27 AU AU19240/97A patent/AU1924097A/en not_active Abandoned
- 1997-02-27 DE DE59713001T patent/DE59713001D1/de not_active Expired - Fee Related
- 1997-02-27 CN CNB031525636A patent/CN1220200C/zh not_active Expired - Fee Related
- 1997-02-27 DE DE59705395T patent/DE59705395D1/de not_active Expired - Fee Related
- 1997-02-27 US US09/142,268 patent/US6285641B1/en not_active Expired - Fee Related
- 1997-02-27 ES ES97907045T patent/ES2167714T3/es not_active Expired - Lifetime
- 1997-02-27 DE DE59712635T patent/DE59712635D1/de not_active Expired - Fee Related
- 1997-03-10 MY MYPI97000993A patent/MY127473A/en unknown
- 1997-03-12 ID IDP970791A patent/ID16230A/id unknown
-
1998
- 1998-09-09 MX MX9807331A patent/MX9807331A/es unknown
-
1999
- 1999-07-17 HK HK99103084A patent/HK1018117A1/xx not_active IP Right Cessation
-
2004
- 2004-09-14 HK HK04106990A patent/HK1064494A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1122261C (zh) | 2003-09-24 |
EP1646040A2 (de) | 2006-04-12 |
MX9807331A (es) | 1998-12-31 |
KR100474932B1 (ko) | 2005-06-28 |
EP1646040B1 (de) | 2009-04-08 |
CN1484235A (zh) | 2004-03-24 |
AU1924097A (en) | 1997-10-01 |
DE59713001D1 (de) | 2009-05-20 |
CN1213452A (zh) | 1999-04-07 |
EP0900435A2 (de) | 1999-03-10 |
DE19609575A1 (de) | 1997-09-18 |
TW402716B (en) | 2000-08-21 |
EP1126447A2 (de) | 2001-08-22 |
EP1126447B1 (de) | 2006-04-26 |
HK1064494A1 (en) | 2005-01-28 |
ID16230A (id) | 1997-09-11 |
EP0900435B1 (de) | 2001-11-14 |
EP1646040A3 (de) | 2006-12-06 |
EP1126447A3 (de) | 2002-04-03 |
WO1997034296A2 (de) | 1997-09-18 |
DE59712635D1 (de) | 2006-06-01 |
JP4419200B2 (ja) | 2010-02-24 |
MY127473A (en) | 2006-12-29 |
US6285641B1 (en) | 2001-09-04 |
CN1220200C (zh) | 2005-09-21 |
WO1997034296A3 (de) | 1997-12-11 |
ES2167714T3 (es) | 2002-05-16 |
KR19990087604A (ko) | 1999-12-27 |
HK1018117A1 (en) | 1999-12-10 |
DE59705395D1 (de) | 2001-12-20 |
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