TW200643908A - A method for preventing interchange of optical information carriers - Google Patents
A method for preventing interchange of optical information carriersInfo
- Publication number
- TW200643908A TW200643908A TW095111630A TW95111630A TW200643908A TW 200643908 A TW200643908 A TW 200643908A TW 095111630 A TW095111630 A TW 095111630A TW 95111630 A TW95111630 A TW 95111630A TW 200643908 A TW200643908 A TW 200643908A
- Authority
- TW
- Taiwan
- Prior art keywords
- optical information
- optical
- information carrier
- information carriers
- optical drive
- Prior art date
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
-
- 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
- G11B19/10—Control of operating function, e.g. switching from recording to reproducing by sensing presence or absence of record in accessible stored position or on turntable
-
- 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
- G11B20/10—Digital recording or reproducing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05102615 | 2005-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200643908A true TW200643908A (en) | 2006-12-16 |
Family
ID=37073835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095111630A TW200643908A (en) | 2005-04-04 | 2006-03-31 | A method for preventing interchange of optical information carriers |
Country Status (7)
Country | Link |
---|---|
US (1) | US8144560B2 (zh) |
EP (1) | EP1869676A2 (zh) |
JP (1) | JP4944092B2 (zh) |
KR (1) | KR20070119065A (zh) |
CN (1) | CN101156204B (zh) |
TW (1) | TW200643908A (zh) |
WO (1) | WO2006106444A2 (zh) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5538663A (en) | 1978-09-09 | 1980-03-18 | Pioneer Video Corp | Detector for recording medium of optical information reader |
JP2942837B2 (ja) | 1992-01-31 | 1999-08-30 | 株式会社セガ・エンタープライゼス | セキュリティチェック方法及びゲーム装置並びにそれらに用いられる情報記憶媒体 |
JP2860275B2 (ja) | 1995-07-28 | 1999-02-24 | 株式会社ケンウッド | 記録媒体再生装置 |
JP2800757B2 (ja) * | 1996-02-13 | 1998-09-21 | 株式会社セガ・エンタープライゼス | ゲーム装置 |
US5809006A (en) * | 1996-05-31 | 1998-09-15 | Cagent Technologies, Inc. | Optical disk with copy protection, and apparatus and method for recording and reproducing same |
JPH11296954A (ja) * | 1998-04-15 | 1999-10-29 | Shinwa Co Ltd | ディスクドライブ装置 |
JP2000100059A (ja) | 1998-09-18 | 2000-04-07 | Mitsumi Electric Co Ltd | 光ディスク装置 |
JP2001006264A (ja) * | 1999-06-22 | 2001-01-12 | Matsushita Electric Ind Co Ltd | 光ディスク記録再生装置 |
JP3690955B2 (ja) | 2000-03-01 | 2005-08-31 | 松下電器産業株式会社 | 光ディスク装置 |
JP2002157751A (ja) | 2001-09-26 | 2002-05-31 | Victor Co Of Japan Ltd | 情報再生装置、情報再生装置におけるディスク判別方法 |
KR100484455B1 (ko) | 2002-03-13 | 2005-04-20 | 엘지전자 주식회사 | 광디스크 장치의 디스크 크기 판별방법 |
JP2004342150A (ja) * | 2003-05-13 | 2004-12-02 | Funai Electric Co Ltd | 光ディスク装置 |
TW200514045A (en) * | 2003-10-02 | 2005-04-16 | Benq Corp | Method of detecting optical discs and an optical disc drive thereof |
TWI266282B (en) * | 2003-10-24 | 2006-11-11 | Lite On It Corp | A method of judging a disk existence |
EP1553581A1 (en) | 2004-01-06 | 2005-07-13 | Deutsche Thomson-Brandt Gmbh | Apparatus and method for playback of optical recording media |
US20090103404A1 (en) * | 2007-10-22 | 2009-04-23 | Chai-Chang Chiu | Optic disk drive power management method for computer system |
-
2006
- 2006-03-22 EP EP06727711A patent/EP1869676A2/en not_active Withdrawn
- 2006-03-22 US US11/910,619 patent/US8144560B2/en not_active Expired - Fee Related
- 2006-03-22 WO PCT/IB2006/050885 patent/WO2006106444A2/en not_active Application Discontinuation
- 2006-03-22 JP JP2008504877A patent/JP4944092B2/ja not_active Expired - Fee Related
- 2006-03-22 KR KR1020077025359A patent/KR20070119065A/ko not_active Application Discontinuation
- 2006-03-22 CN CN2006800111614A patent/CN101156204B/zh not_active Expired - Fee Related
- 2006-03-31 TW TW095111630A patent/TW200643908A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2006106444A3 (en) | 2007-03-01 |
US8144560B2 (en) | 2012-03-27 |
JP2008535143A (ja) | 2008-08-28 |
EP1869676A2 (en) | 2007-12-26 |
WO2006106444A2 (en) | 2006-10-12 |
KR20070119065A (ko) | 2007-12-18 |
US20080209456A1 (en) | 2008-08-28 |
CN101156204A (zh) | 2008-04-02 |
JP4944092B2 (ja) | 2012-05-30 |
CN101156204B (zh) | 2012-12-12 |
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