JP4591589B2 - 光ディスク装置 - Google Patents
光ディスク装置 Download PDFInfo
- Publication number
- JP4591589B2 JP4591589B2 JP2008267009A JP2008267009A JP4591589B2 JP 4591589 B2 JP4591589 B2 JP 4591589B2 JP 2008267009 A JP2008267009 A JP 2008267009A JP 2008267009 A JP2008267009 A JP 2008267009A JP 4591589 B2 JP4591589 B2 JP 4591589B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical disc
- pickup actuator
- optical disk
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims description 189
- 239000000725 suspension Substances 0.000 claims description 46
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001012 protector Effects 0.000 description 22
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
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
- G11B7/1372—Lenses
- G11B7/1374—Objective 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
- G11B7/08—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
- G11B7/0932—Details of sprung supports
-
- 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
-
- 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
- G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
-
- 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
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
図1は本実施例における光ディスク装置のベース本体の平面図である。
12 ピックアップカバー
13 長波長レーザー用対物レンズ
14 短波長レーザー用対物レンズ
16 レンズホルダー
17 サスペンションワイヤー
18 レンズプロテクタ
19 スロープ
Claims (6)
- 光記録媒体に光を集光する対物レンズと、前記対物レンズを保持するレンズホルダーと、前記レンズホルダーを保持するサスペンションワイヤーと、前記レンズホルダーに前記対物レンズの周りで少なくとも1つは前記光記録媒体挿入方向の上流側に設けられている突起物とを備えた光ピックアップアクチュエータと、
前記光ピックアップアクチュエータを保護するピックアップカバーとを備え、
前記光ピックアップアクチュエータの一部が前記ピックアップカバーから突出し、
前記突起物の側面には、前記光記録媒体挿入時に、前記光記録媒体を上方に案内する傾斜を設け、前記傾斜が、前記突起物の最高位から前記ピックアップカバーの最上位よりも下方まで伸びていることを特徴とする光ディスク装置。 - 前記傾斜は、少なくとも1つは前記サスペンションワイヤーの長手方向と平行に設けられていることを特徴とする請求項1に記載の光ディスク装置。
- 前記突起物の側面全体に、外側に向けて錐体状に傾斜が設けられていることを特徴とする請求項1に記載の光ディスク装置。
- 前記レンズホルダーの周囲に外側に向けて傾斜を設けたことを特徴とする請求項1に記載の光ディスク装置。
- 前記突起物と前記傾斜は、前記光ピックアップアクチュエータの重心に対して対称に形成されることを特徴とする請求項1に記載の光ディスク装置。
- 前記ピックアップカバー上面に接触しながら光ディスクが挿入されると、
前記光ディスク外周端部は前記突起物に設けられた前記傾斜に接触し、前記光ピックアップアクチュエータを上下方向へ押し下げることを特徴とする請求項1に記載の光ディスク装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008267009A JP4591589B2 (ja) | 2008-10-16 | 2008-10-16 | 光ディスク装置 |
US12/578,519 US8547808B2 (en) | 2008-10-16 | 2009-10-13 | Optical pickup actuator and optical disc driver using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008267009A JP4591589B2 (ja) | 2008-10-16 | 2008-10-16 | 光ディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010097648A JP2010097648A (ja) | 2010-04-30 |
JP4591589B2 true JP4591589B2 (ja) | 2010-12-01 |
Family
ID=42108581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008267009A Expired - Fee Related JP4591589B2 (ja) | 2008-10-16 | 2008-10-16 | 光ディスク装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8547808B2 (ja) |
JP (1) | JP4591589B2 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0991825A (ja) * | 1995-09-19 | 1997-04-04 | Olympus Optical Co Ltd | 記録媒体の装着機構 |
JP2002334459A (ja) * | 2001-05-08 | 2002-11-22 | Alpine Electronics Inc | 光ピックアップ装置 |
JP2006018978A (ja) * | 2004-07-05 | 2006-01-19 | Sharp Corp | レンズ駆動装置およびその製造方法 |
JP2006040463A (ja) * | 2004-07-29 | 2006-02-09 | Sumida Corporation | 光ピックアップ |
JP2006066016A (ja) * | 2004-08-30 | 2006-03-09 | Mitsumi Electric Co Ltd | 対物レンズ駆動装置 |
JP2006196053A (ja) * | 2005-01-12 | 2006-07-27 | Hitachi Media Electoronics Co Ltd | 情報処理装置 |
JP2008041196A (ja) * | 2006-08-08 | 2008-02-21 | Tdk Corp | 対物レンズ駆動装置及びこれを用いた光ピックアップ並びに光記録再生装置 |
JP2008065889A (ja) * | 2006-09-06 | 2008-03-21 | Hitachi Media Electoronics Co Ltd | 光ピックアップ装置及びその製造方法 |
JP2008226302A (ja) * | 2007-03-09 | 2008-09-25 | Konica Minolta Opto Inc | 対物レンズ及び光ピックアップ装置 |
JP2009015934A (ja) * | 2007-07-03 | 2009-01-22 | Funai Electric Co Ltd | 光ピックアップ用レンズホルダ及びそれを備えた光ピックアップ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4569800B2 (ja) * | 2000-11-22 | 2010-10-27 | ソニー株式会社 | 光学ピックアップ装置及びディスクドライブ装置 |
JP2006252683A (ja) * | 2005-03-11 | 2006-09-21 | Teac Corp | 光ディスク装置 |
JP4577182B2 (ja) | 2005-10-21 | 2010-11-10 | パナソニック株式会社 | 光ピックアップ装置及び光ディスク装置 |
KR100802506B1 (ko) * | 2005-12-21 | 2008-02-12 | 엘지이노텍 주식회사 | 스핀들 모터 |
-
2008
- 2008-10-16 JP JP2008267009A patent/JP4591589B2/ja not_active Expired - Fee Related
-
2009
- 2009-10-13 US US12/578,519 patent/US8547808B2/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0991825A (ja) * | 1995-09-19 | 1997-04-04 | Olympus Optical Co Ltd | 記録媒体の装着機構 |
JP2002334459A (ja) * | 2001-05-08 | 2002-11-22 | Alpine Electronics Inc | 光ピックアップ装置 |
JP2006018978A (ja) * | 2004-07-05 | 2006-01-19 | Sharp Corp | レンズ駆動装置およびその製造方法 |
JP2006040463A (ja) * | 2004-07-29 | 2006-02-09 | Sumida Corporation | 光ピックアップ |
JP2006066016A (ja) * | 2004-08-30 | 2006-03-09 | Mitsumi Electric Co Ltd | 対物レンズ駆動装置 |
JP2006196053A (ja) * | 2005-01-12 | 2006-07-27 | Hitachi Media Electoronics Co Ltd | 情報処理装置 |
JP2008041196A (ja) * | 2006-08-08 | 2008-02-21 | Tdk Corp | 対物レンズ駆動装置及びこれを用いた光ピックアップ並びに光記録再生装置 |
JP2008065889A (ja) * | 2006-09-06 | 2008-03-21 | Hitachi Media Electoronics Co Ltd | 光ピックアップ装置及びその製造方法 |
JP2008226302A (ja) * | 2007-03-09 | 2008-09-25 | Konica Minolta Opto Inc | 対物レンズ及び光ピックアップ装置 |
JP2009015934A (ja) * | 2007-07-03 | 2009-01-22 | Funai Electric Co Ltd | 光ピックアップ用レンズホルダ及びそれを備えた光ピックアップ |
Also Published As
Publication number | Publication date |
---|---|
US20100097920A1 (en) | 2010-04-22 |
US8547808B2 (en) | 2013-10-01 |
JP2010097648A (ja) | 2010-04-30 |
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