SG43986A1 - Compatible optical scanning device - Google Patents
Compatible optical scanning deviceInfo
- Publication number
- SG43986A1 SG43986A1 SG1996008699A SG1996008699A SG43986A1 SG 43986 A1 SG43986 A1 SG 43986A1 SG 1996008699 A SG1996008699 A SG 1996008699A SG 1996008699 A SG1996008699 A SG 1996008699A SG 43986 A1 SG43986 A1 SG 43986A1
- Authority
- SG
- Singapore
- Prior art keywords
- wavelength
- type
- record carrier
- read
- scanning device
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- G11B7/0901—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 track following only
- G11B7/0903—Multi-beam tracking systems
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Glass Compositions (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Facsimile Scanning Arrangements (AREA)
- Microscoopes, Condenser (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91201991 | 1991-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG43986A1 true SG43986A1 (en) | 1997-11-14 |
Family
ID=8207810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1996008699A SG43986A1 (en) | 1991-08-01 | 1992-07-24 | Compatible optical scanning device |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5235583A (ja) |
| JP (1) | JP3101639B2 (ja) |
| KR (1) | KR100227443B1 (ja) |
| CN (1) | CN1044419C (ja) |
| AT (1) | ATE147185T1 (ja) |
| CZ (1) | CZ284509B6 (ja) |
| DE (1) | DE69216318T2 (ja) |
| FI (1) | FI923428A (ja) |
| RU (1) | RU2096836C1 (ja) |
| SG (1) | SG43986A1 (ja) |
| SK (1) | SK280110B6 (ja) |
| TW (1) | TW213519B (ja) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592448A (en) * | 1992-05-08 | 1997-01-07 | Hitachi, Ltd. | Access control apparatus for optical disk according change of track pitch |
| JP2728835B2 (ja) * | 1992-10-26 | 1998-03-18 | 協栄産業株式会社 | 光センサ内蔵半導体集積回路 |
| JPH07105549A (ja) * | 1993-09-30 | 1995-04-21 | Canon Inc | 光学的情報記録再生方法及び光学的情報記録再生装置 |
| BE1007852A3 (nl) * | 1993-12-03 | 1995-11-07 | Philips Electronics Nv | Compatibele optische uitleesinrichting. |
| JP3410869B2 (ja) * | 1995-04-11 | 2003-05-26 | 株式会社リコー | 光ピックアップ装置 |
| JPH08329490A (ja) * | 1995-05-31 | 1996-12-13 | Pioneer Electron Corp | トラッキングエラー信号生成装置 |
| JPH09204676A (ja) * | 1996-01-24 | 1997-08-05 | Sony Corp | 光学ピックアップ及び光ディスク装置 |
| DE19614970A1 (de) * | 1996-04-17 | 1997-10-23 | Thomson Brandt Gmbh | Kompatibles Aufzeichnungs- oder Wiedergabegerät |
| US6262954B1 (en) * | 1997-09-30 | 2001-07-17 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
| US6333907B1 (en) | 1998-03-17 | 2001-12-25 | Kabushiki Kaisha Toshiba | Disk processing apparatus for reproducing information from a plurality of optical disks having different recording densities |
| JP2001014717A (ja) * | 1999-04-28 | 2001-01-19 | Matsushita Electronics Industry Corp | 光学装置 |
| US6738326B1 (en) * | 1999-07-07 | 2004-05-18 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for reproducing information from two types of optical disks having discrimination marks formed along tracks thereof |
| EP1459298A2 (en) * | 2001-12-11 | 2004-09-22 | Koninklijke Philips Electronics N.V. | Optical scanning device |
| KR20080100267A (ko) * | 2006-02-24 | 2008-11-14 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 데이터를 판독하는 방법 및 장치 |
| EP1968048A1 (en) * | 2007-03-08 | 2008-09-10 | Deutsche Thomson OHG | Optical storage medium and apparatus for reading of respective data |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
| FR2197495A5 (ja) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
| US4118734A (en) * | 1974-02-14 | 1978-10-03 | U.S. Philips Corporation | Optical videodisc with variable width tracks |
| JPS6139248A (ja) * | 1984-07-31 | 1986-02-25 | Toshiba Corp | 光情報記録担体 |
| JPS62117168A (ja) * | 1985-11-15 | 1987-05-28 | Teac Co | 情報記録円盤 |
| JPH0679378B2 (ja) * | 1986-12-15 | 1994-10-05 | ソニー株式会社 | 光学式記録再生装置のトラツキングサ−ボ回路 |
| JPH0283830A (ja) * | 1988-09-20 | 1990-03-23 | Victor Co Of Japan Ltd | 光学式情報記録媒体再生装置 |
-
1992
- 1992-02-21 TW TW081101296A patent/TW213519B/zh active
- 1992-02-25 US US07/841,914 patent/US5235583A/en not_active Expired - Fee Related
- 1992-07-24 DE DE69216318T patent/DE69216318T2/de not_active Expired - Fee Related
- 1992-07-24 AT AT92202278T patent/ATE147185T1/de not_active IP Right Cessation
- 1992-07-24 SG SG1996008699A patent/SG43986A1/en unknown
- 1992-07-29 SK SK2375-92A patent/SK280110B6/sk unknown
- 1992-07-29 FI FI923428A patent/FI923428A/fi unknown
- 1992-07-29 CZ CS922375A patent/CZ284509B6/cs not_active IP Right Cessation
- 1992-07-29 CN CN92109003A patent/CN1044419C/zh not_active Expired - Fee Related
- 1992-07-30 JP JP04203746A patent/JP3101639B2/ja not_active Expired - Fee Related
- 1992-07-31 KR KR1019920013745A patent/KR100227443B1/ko not_active IP Right Cessation
- 1992-07-31 RU SU925052441A patent/RU2096836C1/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| KR100227443B1 (ko) | 1999-11-01 |
| SK280110B6 (sk) | 1999-08-06 |
| FI923428A0 (fi) | 1992-07-29 |
| KR930004956A (ko) | 1993-03-23 |
| DE69216318D1 (de) | 1997-02-13 |
| US5235583A (en) | 1993-08-10 |
| CN1044419C (zh) | 1999-07-28 |
| ATE147185T1 (de) | 1997-01-15 |
| RU2096836C1 (ru) | 1997-11-20 |
| FI923428A (fi) | 1993-02-02 |
| JPH05205296A (ja) | 1993-08-13 |
| SK237592A3 (en) | 1994-11-09 |
| JP3101639B2 (ja) | 2000-10-23 |
| CZ237592A3 (en) | 1993-02-17 |
| TW213519B (ja) | 1993-09-21 |
| DE69216318T2 (de) | 1997-06-19 |
| CZ284509B6 (cs) | 1998-12-16 |
| CN1069593A (zh) | 1993-03-03 |
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