TWI267839B - Optical pickup apparatus, optical recording and reproducing apparatus and optical recording and reproducing method - Google Patents
Optical pickup apparatus, optical recording and reproducing apparatus and optical recording and reproducing method Download PDFInfo
- Publication number
- TWI267839B TWI267839B TW094124436A TW94124436A TWI267839B TW I267839 B TWI267839 B TW I267839B TW 094124436 A TW094124436 A TW 094124436A TW 94124436 A TW94124436 A TW 94124436A TW I267839 B TWI267839 B TW I267839B
- Authority
- TW
- Taiwan
- Prior art keywords
- optical recording
- recording medium
- optical
- laser light
- light
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 225
- 238000000034 method Methods 0.000 title claims description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 48
- 230000009471 action Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 2
- 239000002023 wood Substances 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000239226 Scorpiones Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
-
- 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
- G11B7/1362—Mirrors
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
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 |
|---|---|---|---|
| JP2004225833A JP2006048794A (ja) | 2004-08-02 | 2004-08-02 | 光学ピックアップ装置、光記録再生装置及び光記録再生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200620254A TW200620254A (en) | 2006-06-16 |
| TWI267839B true TWI267839B (en) | 2006-12-01 |
Family
ID=35732044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094124436A TWI267839B (en) | 2004-08-02 | 2005-07-20 | Optical pickup apparatus, optical recording and reproducing apparatus and optical recording and reproducing method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060023609A1 (enExample) |
| JP (1) | JP2006048794A (enExample) |
| KR (1) | KR20060048933A (enExample) |
| CN (1) | CN100350475C (enExample) |
| TW (1) | TWI267839B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10268805B2 (en) * | 2010-01-26 | 2019-04-23 | At&T Intellectual Property I, L.P. | System and method for providing multimedia digital rights transfer |
| US10574583B2 (en) | 2013-07-30 | 2020-02-25 | Entropic Communications, Llc | Method and apparatus for combined access network and home network using a dual-role device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61196435A (ja) * | 1985-02-25 | 1986-08-30 | Asahi Optical Co Ltd | 光デイスク情報装置 |
| JPH10222865A (ja) * | 1997-02-07 | 1998-08-21 | Hitachi Ltd | 光ピックアップおよび光ディスク装置 |
| US5831960A (en) * | 1997-07-17 | 1998-11-03 | Motorola, Inc. | Integrated vertical cavity surface emitting laser pair for high density data storage and method of fabrication |
| US6819646B1 (en) * | 1999-01-19 | 2004-11-16 | Matsushita Electric Industrial Co., Ltd. | Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus |
| JP2000311377A (ja) * | 1999-04-28 | 2000-11-07 | Sharp Corp | 光ピックアップ装置 |
| CN1174394C (zh) * | 1999-12-02 | 2004-11-03 | 株式会社三协精机制作所 | 光学拾波装置 |
| JP2001184698A (ja) * | 1999-12-22 | 2001-07-06 | Pioneer Electronic Corp | 光ピックアップ装置 |
| JP4843844B2 (ja) * | 1999-12-27 | 2011-12-21 | ソニー株式会社 | 光ヘッド、受発光素子、及び光記録媒体記録再生装置 |
| JP2001236671A (ja) * | 2000-02-22 | 2001-08-31 | Pioneer Electronic Corp | 光ピックアップ装置及びレーザダイオードチップ |
| US6909687B2 (en) * | 2000-03-29 | 2005-06-21 | Sanyo Electric Co., Ltd. | Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state |
| KR100788650B1 (ko) * | 2001-10-13 | 2007-12-26 | 삼성전자주식회사 | 고밀도 디스크 |
| JP2003317304A (ja) * | 2002-04-25 | 2003-11-07 | Mitsumi Electric Co Ltd | 光ピックアップ |
| JP2005149579A (ja) * | 2003-11-12 | 2005-06-09 | Samsung Electro Mech Co Ltd | 光ピックアップ装置および光ディスクの情報記録再生装置 |
-
2004
- 2004-08-02 JP JP2004225833A patent/JP2006048794A/ja active Pending
-
2005
- 2005-07-18 US US11/182,883 patent/US20060023609A1/en not_active Abandoned
- 2005-07-20 TW TW094124436A patent/TWI267839B/zh not_active IP Right Cessation
- 2005-07-29 KR KR1020050069463A patent/KR20060048933A/ko not_active Withdrawn
- 2005-08-02 CN CNB2005100884855A patent/CN100350475C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060048933A (ko) | 2006-05-18 |
| JP2006048794A (ja) | 2006-02-16 |
| TW200620254A (en) | 2006-06-16 |
| CN1747007A (zh) | 2006-03-15 |
| CN100350475C (zh) | 2007-11-21 |
| US20060023609A1 (en) | 2006-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |