TW200614214A - Optical disc apparatus - Google Patents
Optical disc apparatusInfo
- Publication number
- TW200614214A TW200614214A TW094120628A TW94120628A TW200614214A TW 200614214 A TW200614214 A TW 200614214A TW 094120628 A TW094120628 A TW 094120628A TW 94120628 A TW94120628 A TW 94120628A TW 200614214 A TW200614214 A TW 200614214A
- Authority
- TW
- Taiwan
- Prior art keywords
- optical disc
- disc apparatus
- recording layers
- light
- receiving
- 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
- G11B7/12—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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
-
- 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
- G11B7/12—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
-
- 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
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004193198A JP2006018877A (ja) | 2004-06-30 | 2004-06-30 | 光ディスク装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200614214A true TW200614214A (en) | 2006-05-01 |
Family
ID=34993233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094120628A TW200614214A (en) | 2004-06-30 | 2005-06-21 | Optical disc apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060002276A1 (zh) |
EP (1) | EP1612782A3 (zh) |
JP (1) | JP2006018877A (zh) |
KR (1) | KR100661896B1 (zh) |
CN (1) | CN100354953C (zh) |
TW (1) | TW200614214A (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101365446B1 (ko) | 2006-12-28 | 2014-02-20 | 삼성전자주식회사 | 광픽업 장치 및 광기록 및 재생장치 |
JP2009271994A (ja) * | 2008-05-07 | 2009-11-19 | Funai Electric Co Ltd | 光ピックアップ装置及び光ピックアップ装置の設計方法 |
JP5375279B2 (ja) * | 2008-06-18 | 2013-12-25 | セイコーエプソン株式会社 | 原子発振器 |
JP5655647B2 (ja) | 2011-03-14 | 2015-01-21 | セイコーエプソン株式会社 | ガスセルユニット、原子発振器および電子装置 |
JP2012191138A (ja) | 2011-03-14 | 2012-10-04 | Seiko Epson Corp | ガスセルユニット、原子発振器および電子装置 |
US10404209B2 (en) * | 2016-09-08 | 2019-09-03 | Silicon Laboratories Inc. | Compensating for thermal lag in temperature compensated crystal oscillators |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3266627B2 (ja) * | 1991-10-11 | 2002-03-18 | 株式会社日立製作所 | 情報再生装置 |
JPH1011786A (ja) * | 1996-06-21 | 1998-01-16 | Pioneer Electron Corp | 情報記録媒体の再生用ピックアップ装置 |
JPH1116200A (ja) * | 1997-06-26 | 1999-01-22 | Nippon Columbia Co Ltd | 光ピックアップ |
JP3605279B2 (ja) | 1998-02-25 | 2004-12-22 | パイオニア株式会社 | 光学式ピックアップ |
JP2001273640A (ja) * | 2000-03-28 | 2001-10-05 | Hitachi Ltd | 光情報記録再生装置 |
JP3805194B2 (ja) * | 2000-12-07 | 2006-08-02 | 株式会社日立製作所 | 光学情報再生装置 |
CN1248211C (zh) * | 2001-09-12 | 2006-03-29 | 松下电器产业株式会社 | 光信息记录媒体及使用该信息记录媒体的记录方法 |
EP1394787A3 (en) * | 2002-08-28 | 2006-11-22 | Kabushiki Kaisha Toshiba | Optical disc and optical disc apparatus |
-
2004
- 2004-06-30 JP JP2004193198A patent/JP2006018877A/ja active Pending
-
2005
- 2005-06-21 TW TW094120628A patent/TW200614214A/zh unknown
- 2005-06-21 EP EP05105455A patent/EP1612782A3/en not_active Withdrawn
- 2005-06-29 US US11/168,432 patent/US20060002276A1/en not_active Abandoned
- 2005-06-30 CN CNB2005100818340A patent/CN100354953C/zh not_active Expired - Fee Related
- 2005-06-30 KR KR1020050057523A patent/KR100661896B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2006018877A (ja) | 2006-01-19 |
CN100354953C (zh) | 2007-12-12 |
CN1725324A (zh) | 2006-01-25 |
EP1612782A3 (en) | 2007-01-24 |
EP1612782A2 (en) | 2006-01-04 |
KR100661896B1 (ko) | 2006-12-28 |
KR20060048732A (ko) | 2006-05-18 |
US20060002276A1 (en) | 2006-01-05 |
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