JP5551672B2 - 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム - Google Patents
記録担体、再生装置、並びに記録担体および再生装置を有する情報システム Download PDFInfo
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- JP5551672B2 JP5551672B2 JP2011245713A JP2011245713A JP5551672B2 JP 5551672 B2 JP5551672 B2 JP 5551672B2 JP 2011245713 A JP2011245713 A JP 2011245713A JP 2011245713 A JP2011245713 A JP 2011245713A JP 5551672 B2 JP5551672 B2 JP 5551672B2
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- 238000001514 detection method Methods 0.000 description 26
- 230000005855 radiation Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
-
- 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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
- G11B20/00594—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium wherein the shape of recording marks is altered, e.g. the depth, width, or length of pits
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- 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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- 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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
-
- 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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
- G11B20/00601—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
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- 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
-
- 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
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00454—Recording involving phase-change effects
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
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- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
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- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
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- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B2007/00754—Track shape, e.g. address or synchronisation information in wobbled track or sidewall
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
当該記録担体を走査することを目的とし、かつ当該第1変動と当該第2変動を検出するように適合化されている変換器ユニットと、
前記第1変動からクロック信号を再現するための、前記変換器ユニットに結合されている第1再現ユニットと、
前記第1変動から情報信号を再現するための、前記変換器ユニットに結合されている第2再現ユニットと、
当該第2変動が、所定の変動パターンを示すか否かを少なくとも1つの信号に基づいて検出するための検出ユニットであって、当該信号が、当該第2変動を少なくとも示し、かつ当該変換器によって生成され、前記検出ユニットが、検出のために当該クロック信号を使用する、検出ユニットと、
当該検出ユニットが当該所定の変動パターンを検出したときに、当該第2再現ユニットが前記情報信号を再現することを可能にするイネーブルユニットと、
を含む再生装置を含む、本発明の再生装置による再生に特に適している。
CL クロック信号
S2 2進信号
Sout 情報信号
CL1 第1補助クロック信号
SYNC 信号
CLW 出力信号
SACL 信号
W 半径方向ウォブル
B 中央のスポット
A、C サテライトスポット
1 記録担体
2 部分
3 光学的に検出可能なマーク
4 中間領域
5 トラック
6 基板
7 反射層
8 保護層
9A、9B 線
10、11、12 トラック
20 再生デバイス
20A 第1検出器
20B 第2検出器
20C 第3検出器
22 第1再現ユニット
23 第2再現ユニット
24 検出ユニット
25 イネーブルユニット
22.1 位相検出器
22.2 ループフィルタ
22.3 可制御発信器
24.1 周波数分割器
24.2 サンプリング/保持ユニット
24.3 しきいユニット
80 帯域通過フィルタ
81 復調回路
82 比較器回路
83 周波数分割器
Claims (10)
- トラックに沿って情報マークを有する記録担体であって、
前記トラックに沿う前記情報マークの存在の有無によって引き起こされる第1変動であって、当該記録担体上に記録された情報信号を表す第1変動と、前記情報マークに関連付けられた変動によって引き起こされる第2変動と、
を示し、
前記第2変動の位相が、前記第1変動と前記第2変動の間の事前に定義された位相関係に従って前記第1変動の位相に結合され、前記事前に定義された位相関係は、標準化されているか、または当該記録担体に記録されている、記録担体であり、
前記第2変動から当該第2変動を示す少なくとも1個の信号が生成可能であり、前記第1変動から前記少なくとも1個の信号を使用せずにクロック信号が再現可能であり、
前記第2変動は、トラックウォブルを示す、トラック方向を横切る方向におけるトラック位置の変動である、記録担体。 - 前記第2変動が、前記第1変動の位相に対して第1の事前に定義された位相または第2の事前に定義された位相のいずれかを有することを特徴とする、請求項1に記載の記録担体。
- 前記第1の事前に定義された位相と前記第2の事前に定義された位相が180度異なることを特徴とする、請求項2に記載の記録担体。
- ウォブルの所定の数が前記第1変動によって表されるチャネルビットの所定の数に相当する点で、前記第2変動の位相は、前記第1変動の位相に結合されていることを特徴とする、請求項1に記載の記録担体。
- 前記情報信号は、フレーム同期を持つフレームを有することを特徴とする、請求項1に記載の記録担体。
- 前記第2変動の零交差が前記フレーム同期と事前に定義された位相関係を持つことを特徴とする、請求項5に記載の記録担体。
- 情報はスクランブル化され、前記第2変動はスクランブル方式を示すコードを表す変調パターンを示すことを特徴とする、請求項1に記載の記録担体。
- 情報は暗号化され、前記第2変動は暗号化キーを示すコードを表す変調パターンを示すことを特徴とする、請求項1に記載の記録担体。
- 光学的に読み取り可能な記録担体であることを特徴とする、請求項1に記載の記録担体。
- 前記情報マークは、ピット形式の光学的に検出可能なマークであることを特徴とする、請求項1に記載の記録担体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00114641.4 | 2000-07-07 | ||
EP00114641 | 2000-07-07 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002508796A Division JP4898071B2 (ja) | 2000-07-07 | 2001-06-27 | 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012084221A JP2012084221A (ja) | 2012-04-26 |
JP5551672B2 true JP5551672B2 (ja) | 2014-07-16 |
Family
ID=8169197
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002508796A Expired - Fee Related JP4898071B2 (ja) | 2000-07-07 | 2001-06-27 | 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム |
JP2011245713A Expired - Fee Related JP5551672B2 (ja) | 2000-07-07 | 2011-11-09 | 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002508796A Expired - Fee Related JP4898071B2 (ja) | 2000-07-07 | 2001-06-27 | 記録担体、再生装置、並びに記録担体および再生装置を有する情報システム |
Country Status (13)
Country | Link |
---|---|
US (2) | US7068574B2 (ja) |
EP (1) | EP1360690B1 (ja) |
JP (2) | JP4898071B2 (ja) |
KR (1) | KR100809973B1 (ja) |
CN (2) | CN101101777B (ja) |
AU (1) | AU2001269091A1 (ja) |
BR (1) | BR0106939B1 (ja) |
ES (1) | ES2388426T3 (ja) |
HK (1) | HK1059141A1 (ja) |
HU (1) | HU229588B1 (ja) |
TW (1) | TWI248068B (ja) |
UA (1) | UA76941C2 (ja) |
WO (1) | WO2002005278A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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PT1046163E (pt) * | 1998-10-05 | 2007-05-31 | Koninkl Philips Electronics Nv | Sistema para protecção de cópia de informação registada |
US6981245B1 (en) | 2000-09-14 | 2005-12-27 | Sun Microsystems, Inc. | Populating binary compatible resource-constrained devices with content verified using API definitions |
KR100885055B1 (ko) * | 2001-02-19 | 2009-02-23 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 주신호의 비트스트림에 보조신호를 삽입하는 방법 |
CN100358359C (zh) * | 2002-04-19 | 2007-12-26 | 爱迪德艾恩德霍芬公司 | 条件性访问的系统和设备 |
ATE431678T1 (de) * | 2002-06-12 | 2009-05-15 | Irdeto Eindhoven B V | Vorrichtung und verfahren mit bedingtem zugang |
WO2004059623A1 (en) * | 2002-12-30 | 2004-07-15 | Koninklijke Philips Electronics N.V. | Additional data channel in pregroove |
JP2006521648A (ja) * | 2003-03-24 | 2006-09-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ウォブルピットを有する多層光ディスク |
RU2005132575A (ru) * | 2003-03-24 | 2006-02-10 | Конинклейке Филипс Электроникс Н.В. (Nl) | Оптический диск, имеющий смещенную зону фокусировки |
CN100383865C (zh) * | 2003-03-24 | 2008-04-23 | 皇家飞利浦电子股份有限公司 | 具有预设凹槽调制的多层光盘 |
KR101039194B1 (ko) * | 2006-07-27 | 2011-06-03 | 미쓰비시덴키 가부시키가이샤 | 광디스크 매체 및 광디스크 장치 |
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JPH01258075A (ja) | 1988-04-07 | 1989-10-16 | Konica Corp | 画像処理装置 |
CA2054880C (en) | 1990-11-09 | 1997-07-08 | Shigemi Maeda | Information recording and reproducing device |
DE69230168T2 (de) * | 1991-12-02 | 2000-04-20 | Koninkl Philips Electronics Nv | Geschlossenes Informationssystem mit Kopierschutz |
JPH0917119A (ja) | 1995-06-30 | 1997-01-17 | Sony Corp | データ記録媒体、データ記録方法及びデータ再生方法 |
KR100281947B1 (ko) * | 1996-04-11 | 2001-02-15 | 모리시타 요이찌 | 광 디스크 |
JPH1069646A (ja) * | 1996-08-29 | 1998-03-10 | Ricoh Co Ltd | 光ディスク媒体、光ディスク装置 |
CN1516131A (zh) * | 1996-10-22 | 2004-07-28 | ������������ʽ���� | 表示磁道摆动信息的信息记录媒体及信息记录重放装置 |
KR100573627B1 (ko) * | 1997-01-27 | 2006-11-10 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록된신호의복사방지용시스템 |
JPH10320773A (ja) * | 1997-05-19 | 1998-12-04 | Sony Corp | 光ディスクの製造方法、光ディスク及び光ディスク装置 |
JP3292295B2 (ja) | 1997-12-18 | 2002-06-17 | ソニー株式会社 | 光ディスク記録装置、光ディスク記録方法、光ディスク、光ディスク再生装置 |
JP3032500B2 (ja) | 1998-01-09 | 2000-04-17 | 株式会社リコー | 光ディスク原盤の露光装置 |
BR9908769A (pt) * | 1998-03-16 | 2000-12-05 | Koninkl Philips Electronics Nv | Portador de gravação óptica, e, aparelho e processo para explorar um portador de gravação óptica |
JP4051515B2 (ja) * | 1998-12-28 | 2008-02-27 | ソニー株式会社 | ディスク記録装置、ディスクの記録方法、光ディスク再生装置、光ディスクの再生方法、光ディスク及び信号処理回路 |
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US6345018B1 (en) * | 1999-08-04 | 2002-02-05 | Ricoh Company, Ltd. | Demodulation circuit for demodulating wobbling signal |
JP2001110061A (ja) * | 1999-10-07 | 2001-04-20 | Sony Corp | 光記録媒体および記録装置 |
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2001
- 2001-06-27 CN CN2007101279093A patent/CN101101777B/zh not_active Expired - Fee Related
- 2001-06-27 UA UA2002042757A patent/UA76941C2/uk unknown
- 2001-06-27 JP JP2002508796A patent/JP4898071B2/ja not_active Expired - Fee Related
- 2001-06-27 ES ES01947401T patent/ES2388426T3/es not_active Expired - Lifetime
- 2001-06-27 HU HU0203479A patent/HU229588B1/hu not_active IP Right Cessation
- 2001-06-27 WO PCT/EP2001/007251 patent/WO2002005278A1/en active Application Filing
- 2001-06-27 BR BRPI0106939-0A patent/BR0106939B1/pt not_active IP Right Cessation
- 2001-06-27 EP EP01947401A patent/EP1360690B1/en not_active Expired - Lifetime
- 2001-06-27 AU AU2001269091A patent/AU2001269091A1/en not_active Abandoned
- 2001-06-27 KR KR1020027002966A patent/KR100809973B1/ko not_active IP Right Cessation
- 2001-06-27 CN CN01801940A patent/CN100592410C/zh not_active Expired - Fee Related
- 2001-07-02 US US09/897,331 patent/US7068574B2/en not_active Ceased
- 2001-07-03 TW TW090116247A patent/TWI248068B/zh not_active IP Right Cessation
-
2004
- 2004-03-19 HK HK04102023.3A patent/HK1059141A1/xx not_active IP Right Cessation
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2008
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Also Published As
Publication number | Publication date |
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CN1386278A (zh) | 2002-12-18 |
BR0106939B1 (pt) | 2014-11-18 |
CN101101777B (zh) | 2011-09-07 |
KR100809973B1 (ko) | 2008-03-07 |
HUP0203479A2 (en) | 2003-02-28 |
WO2002005278A1 (en) | 2002-01-17 |
EP1360690A1 (en) | 2003-11-12 |
AU2001269091A1 (en) | 2002-01-21 |
US20020031064A1 (en) | 2002-03-14 |
CN101101777A (zh) | 2008-01-09 |
US7068574B2 (en) | 2006-06-27 |
EP1360690B1 (en) | 2012-05-30 |
HU229588B1 (hu) | 2014-02-28 |
JP2004503048A (ja) | 2004-01-29 |
CN100592410C (zh) | 2010-02-24 |
JP2012084221A (ja) | 2012-04-26 |
UA76941C2 (uk) | 2006-10-16 |
BR0106939A (pt) | 2002-05-14 |
KR20020064772A (ko) | 2002-08-09 |
HK1059141A1 (en) | 2004-06-18 |
ES2388426T3 (es) | 2012-10-15 |
JP4898071B2 (ja) | 2012-03-14 |
USRE44678E1 (en) | 2013-12-31 |
TWI248068B (en) | 2006-01-21 |
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