JP2011040163A - 記録担体及び記録担体を走査するための装置 - Google Patents
記録担体及び記録担体を走査するための装置 Download PDFInfo
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Abstract
チャネルビットで表された長さを有するマークにより表される情報ブロックを記録するための情報トラックを示すサーボトラックを有する記録担体が開示される。
【解決手段】
サーボトラックは、記録担体情報を符号化するために変調された、物理的パラメータの周期的変化を有する。変調は、記録担体情報のデータビットは、第1の位相の第1の所定数の変化に続いて、第1の位相の逆の第2の位相の同数の変化により符号化されるバイ−フェーズ変調である。
【選択図】図2
Description
Claims (11)
- チャネルビットで表された長さを有するマークにより表される情報ブロックを記録するための情報トラックを示すサーボトラックを有する記録担体であって、前記サーボトラックは、物理的パラメータの周期的変化を有し、前記周期的変化は、記録担体情報のデータビットが第1の位相の第1の所定数の変化に続いて、前記第1の位相の逆の第2の位相の同数の変化により符号化されるバイ−フェーズ変調によって、記録担体情報を符号化するために変調され、前記サーボトラックは、前記バイ−フェーズ変調を有する比較的小さな部分と、変調されていない周期的変化を有する比較的大きな部分に副分割されていることを特徴とする記録担体。
- 前記比較的大きな部分は、少なくとも90パーセントの前記サーボトラックを占める請求項1記載の記録担体。
- 前記小さな部分は同期部分とデータ部分を有し、前記同期部分は前記変調されていない周期的変化の位相と逆の位相の少なくとも1つの変化を有する請求項1記載の記録担体。
- 第1の位相の前記第1の所定数の変化は2である請求項1記載の記録担体。
- 前記小さな部分は8個の周期的変化を有し、前記大きな部分は85個の周期的変化を有する請求項2記載の記録担体。
- 1つの周期的変化の長さは、チャネルビットの第3の所定の数に対応する請求項1記載の記録担体。
- 前記第3の所定の数は、32である請求項6記載の記録担体。
- 情報トラックを示すサーボトラックを有する記録担体上の情報トラック内のチャネルビットで表された長さを有するマークにより表された情報ブロックを書きこみ及び/又は読み出す手段を有する記録及び/又は再生装置であって、当該装置は、前記サーボトラックを走査し且つサーボトラックの物理的パラメータの周期的変化の変調で符号化された記録担体情報を取り出す手段を有し、当該装置は、第1の位相の第1の所定数の変化に続いて、前記第1の位相の逆の第2の位相の同数の変化から、記録担体情報のデータビットを取り出すバイ−フェーズ復調手段を有し、前記バイ−フェーズ復調手段は、変調されていない周期的変化を有する比較的大きな部分の間で前記バイ−フェーズ変調を有するサーボトラックの比較的小さな部分を検出するよう構成されたことを特徴とする装置。
- 前記バイ−フェーズ復調手段は、前記変調されていない周期的変化の位相と逆の位相の少なくとも1つの変化を有する同期部分に同期するようになされる請求項8記載の装置。
- 第3の所定数のチャネルビットに対応する1つの周期的変化の長さから物理的位置を計算することにより、前記情報ブロックのアドレスに対応する1つの周期的変化の前記物理的位置に基づいて、記録されるべき情報ブロックの位置を決めるための、記録位置決め手段を有する請求項8記載の装置。
- チャネルビットで表された長さを有するマークにより表される情報ブロックを記録するための情報トラックを示すサーボトラックが設けられている記録担体を製造する方法であって、前記サーボトラックには、物理的パラメータの周期的変化が設けられ、前記周期的変化は記録担体情報を符号化するために変調され、記録担体情報のデータビットは、第1の位相の第1の所定数の変化に続いて、第1の位相の逆の第2の位相の同数の変化により符号化され、前記サーボトラックは、前記バイ−フェーズ変調を有する比較的小さな部分と、変調されていない周期的変化を有する比較的大きな部分に副分割されていることを特徴とする方法。
Applications Claiming Priority (4)
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EP99200201 | 1999-01-25 | ||
EP99200461.4 | 1999-02-18 | ||
EP99200201.4 | 1999-02-18 | ||
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JP2000595342A Division JP4653315B2 (ja) | 1999-01-25 | 2000-01-11 | 記録担体及び記録担体を走査するための装置 |
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JP2011040163A true JP2011040163A (ja) | 2011-02-24 |
JP5134672B2 JP5134672B2 (ja) | 2013-01-30 |
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JP2000595342A Expired - Lifetime JP4653315B2 (ja) | 1999-01-25 | 2000-01-11 | 記録担体及び記録担体を走査するための装置 |
JP2010236787A Expired - Lifetime JP5134672B2 (ja) | 1999-01-25 | 2010-10-21 | 記録担体及び記録担体を走査するための装置 |
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JP2000595342A Expired - Lifetime JP4653315B2 (ja) | 1999-01-25 | 2000-01-11 | 記録担体及び記録担体を走査するための装置 |
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JP (2) | JP4653315B2 (ja) |
KR (2) | KR100922707B1 (ja) |
CN (2) | CN100452216C (ja) |
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AT (1) | ATE254329T1 (ja) |
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CA (1) | CA2325450C (ja) |
CZ (2) | CZ298447B6 (ja) |
DE (1) | DE60006454T2 (ja) |
DK (1) | DK1066628T3 (ja) |
EA (1) | EA002489B1 (ja) |
EE (1) | EE04624B1 (ja) |
ES (1) | ES2209823T3 (ja) |
HK (1) | HK1033994A1 (ja) |
HU (1) | HUP0101610A3 (ja) |
ID (1) | ID26570A (ja) |
IL (1) | IL138644A0 (ja) |
MY (1) | MY125785A (ja) |
NO (2) | NO326838B1 (ja) |
PL (1) | PL197778B1 (ja) |
PT (1) | PT1066628E (ja) |
TR (1) | TR200002734T1 (ja) |
TW (1) | TW512324B (ja) |
UA (1) | UA65609C2 (ja) |
WO (1) | WO2000043996A1 (ja) |
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WO2018101096A1 (ja) * | 2016-11-29 | 2018-06-07 | Necプラットフォームズ株式会社 | 制動装置 |
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CN100452216C (zh) * | 1999-01-25 | 2009-01-14 | 皇家菲利浦电子有限公司 | 记录载体和用于扫描记录载体的装置 |
US6990058B1 (en) * | 2000-04-03 | 2006-01-24 | Dphi Acquisitions, Inc. | Structure and method for storing data on optical disks |
US7239592B2 (en) * | 2000-04-03 | 2007-07-03 | Stmicroelectronics S.A. | Method for indicating a sector on a data medium and data medium suited to this method |
US6947364B1 (en) * | 2000-05-15 | 2005-09-20 | Hewlett-Packard Development Company, L.P. | Detecting track jumps during reading or writing of data on an optical disk |
WO2001088917A1 (fr) * | 2000-05-19 | 2001-11-22 | Matsushita Electric Industrial Co., Ltd. | Support d'enregistrement de donnees et son dispositif de reproduction |
SK287990B6 (sk) | 2000-09-01 | 2012-09-03 | Panasonic Corporation | Optical disc medium, optical disc playback and recorder |
CN100350467C (zh) * | 2001-03-12 | 2007-11-21 | 索尼公司 | 盘形记录介质 |
JP5175413B2 (ja) | 2001-03-12 | 2013-04-03 | ソニー株式会社 | ディスク記録媒体、再生装置、記録装置 |
TWI229854B (en) * | 2001-03-16 | 2005-03-21 | Koninkl Philips Electronics Nv | Record carrier and apparatus for scanning the record carrier |
TWI235363B (en) * | 2001-03-16 | 2005-07-01 | Koninkl Philips Electronics Nv | Record carrier and apparatus for scanning the record carrier |
KR100879311B1 (ko) * | 2001-03-16 | 2009-01-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록매체와 기록매체 주사장치 |
JP5170605B2 (ja) | 2001-03-16 | 2013-03-27 | ソニー株式会社 | 記録装置および方法、再生装置および方法、記録媒体、プログラム、並びにディスク媒体 |
JP5170709B2 (ja) * | 2001-03-19 | 2013-03-27 | ソニー株式会社 | 再生装置、記録装置、制御チップ、およびディスク媒体 |
JP4534387B2 (ja) | 2001-03-19 | 2010-09-01 | ソニー株式会社 | 記録装置および方法、再生装置および方法、記録媒体、プログラム、並びにディスク媒体 |
BRPI0205084B1 (pt) * | 2001-04-24 | 2015-08-18 | Koninkl Philips Electronics Nv | Portadora de registro, sistema de registro e/ou reprodução, e, método para fabricar uma portadora de registro |
US6724708B2 (en) | 2001-06-20 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Optical disk medium and method and apparatus for reading information |
EP1926093B1 (en) * | 2001-07-02 | 2010-07-14 | Koninklijke Philips Electronics N.V. | Record carrier and apparatus for scanning the record carrier |
JP4300727B2 (ja) | 2001-10-09 | 2009-07-22 | ソニー株式会社 | ディスク記録媒体、ディスクドライブ装置、再生方法、ディスク製造方法 |
DE60210117T2 (de) * | 2001-10-15 | 2006-10-19 | Koninklijke Philips Electronics N.V. | Aufzeichnungsmedium und wiedergabevorrichtung |
SK1782004A3 (en) | 2001-10-15 | 2004-09-08 | Koninkl Philips Electronics Nv | Record carrier and apparatus for scanning the record carrier |
EP1440445B1 (en) | 2001-10-15 | 2018-08-22 | Koninklijke Philips N.V. | Record carrier and apparatus for scanning the record carrier |
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