TW399202B - Apparatus and detection unit for scanning an optically readable record carrier - Google Patents
Apparatus and detection unit for scanning an optically readable record carrier Download PDFInfo
- Publication number
- TW399202B TW399202B TW087106710A TW87106710A TW399202B TW 399202 B TW399202 B TW 399202B TW 087106710 A TW087106710 A TW 087106710A TW 87106710 A TW87106710 A TW 87106710A TW 399202 B TW399202 B TW 399202B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- signals
- detection unit
- generate
- digitizing
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 230000003111 delayed effect Effects 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000012935 Averaging Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 239000000872 buffer Substances 0.000 description 5
- 230000002079 cooperative effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102100029011 D-aminoacyl-tRNA deacylase 2 Human genes 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 101000838681 Homo sapiens D-aminoacyl-tRNA deacylase 2 Proteins 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011084 recovery Methods 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
- G11B7/08—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
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97201244 | 1997-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW399202B true TW399202B (en) | 2000-07-21 |
Family
ID=8228260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087106710A TW399202B (en) | 1997-04-25 | 1998-04-30 | Apparatus and detection unit for scanning an optically readable record carrier |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6137755A (enExample) |
| EP (1) | EP0914652B1 (enExample) |
| JP (1) | JP2000512791A (enExample) |
| CN (1) | CN1127724C (enExample) |
| DE (1) | DE69830774T2 (enExample) |
| MY (1) | MY120534A (enExample) |
| TW (1) | TW399202B (enExample) |
| WO (1) | WO1998049679A2 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2792103B1 (fr) * | 1999-03-16 | 2001-11-09 | St Microelectronics Sa | Procede et dispositif d'asservissement d'un faisceau optique incident sur une piste d'un support mobile d'informations, en particulier un disque numerique |
| JP2002298350A (ja) * | 2001-03-28 | 2002-10-11 | Tdk Corp | 光記録方法、光記録装置及び光記録媒体 |
| JP3897671B2 (ja) * | 2002-09-30 | 2007-03-28 | 三菱電機株式会社 | ステータス方式信号処理回路 |
| JP2006501592A (ja) * | 2002-10-04 | 2006-01-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高トラック密度超解像度ｍｏ−ｒｏｍ媒体 |
| TWI271726B (en) * | 2003-02-14 | 2007-01-21 | Ind Tech Res Inst | Circuit for tracking error signal detection on an optical storage medium |
| TWI248610B (en) * | 2003-04-07 | 2006-02-01 | Mediatek Inc | Method and related apparatus for deriving a tracking error signal |
| CN100382165C (zh) * | 2003-05-21 | 2008-04-16 | 皇家飞利浦电子股份有限公司 | 在光盘驱动器中进行径向跟踪的方法 |
| TWI295464B (en) * | 2003-08-22 | 2008-04-01 | Mediatek Inc | Control circuit for an optical pickup head in a disk drive |
| CN100365709C (zh) * | 2003-09-09 | 2008-01-30 | 联发科技股份有限公司 | 用于光驱中光学读写头的控制电路 |
| US7512043B2 (en) * | 2004-07-08 | 2009-03-31 | Realtek Semiconductor Corp. | Apparatus and method for generating a tracking error signal in an optical disc drive |
| TWI258740B (en) * | 2004-07-08 | 2006-07-21 | Realtek Semiconductor Corp | Apparatus and method for generating a tracking error signal in an optical disc drive |
| US7633842B2 (en) * | 2004-07-08 | 2009-12-15 | Realtek Semiconductor Corp. | Apparatus for generating tracking error signal in optical disc drive |
| US7583569B2 (en) * | 2004-07-08 | 2009-09-01 | Realtek Semiconductor Corp. | Apparatus and related method for generating a tracking error signal in an optical disc drive |
| JP4327693B2 (ja) * | 2004-09-30 | 2009-09-09 | 株式会社東芝 | 光ディスク装置及び光検知信号処理方法 |
| US20070047687A1 (en) * | 2005-08-25 | 2007-03-01 | Tse-Hsiang Hsu | Phase detector and related phase detecting method thereof |
| CN101072033B (zh) * | 2006-05-11 | 2010-05-12 | 联咏科技股份有限公司 | 数字模拟转换器与方法 |
| TWI345771B (en) * | 2007-06-14 | 2011-07-21 | Sunplus Technology Co Ltd | Circuit for generating tracking error signal |
| EP2354840A1 (en) * | 2010-02-05 | 2011-08-10 | Siemens Aktiengesellschaft | An apparatus and a method for performing a difference measurement of an object image |
| JP2013073659A (ja) * | 2011-09-29 | 2013-04-22 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057833A (en) * | 1974-10-03 | 1977-11-08 | U.S. Philips Corporation | Centering detection system for an apparatus for playing optically readable record carriers |
| NL8303564A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
| NL194811C (nl) * | 1986-01-16 | 2003-03-04 | Mitsubishi Electric Corp | Servoschakeling. |
| JPS6446237A (en) * | 1987-08-12 | 1989-02-20 | Canon Kk | Optical information recording and reproducing device |
| US5031167A (en) * | 1988-05-26 | 1991-07-09 | Matsushita Electric Industrial Co., Ltd. | Focus error detection system for an optical recording/reproducing system |
| US5157645A (en) * | 1989-04-06 | 1992-10-20 | Kabushiki Kaisha Toshiba | Optical disk unit |
| JPH0423234A (ja) * | 1990-05-18 | 1992-01-27 | Sony Corp | 光学装置のトラッキング誤差信号生成装置 |
| JP2540224B2 (ja) * | 1990-05-22 | 1996-10-02 | 松下電器産業株式会社 | 光ディスクのサ―ボ装置 |
| JP3166322B2 (ja) * | 1992-06-15 | 2001-05-14 | ソニー株式会社 | 再生方法、再生装置 |
| JP3426669B2 (ja) * | 1993-11-22 | 2003-07-14 | 三洋電機株式会社 | エラー信号発生回路 |
| JPH08263855A (ja) * | 1995-03-23 | 1996-10-11 | Nec Corp | 光学ヘッド用移送制御装置 |
-
1998
- 1998-04-02 JP JP10529383A patent/JP2000512791A/ja active Pending
- 1998-04-02 CN CN98800802A patent/CN1127724C/zh not_active Expired - Fee Related
- 1998-04-02 EP EP98908253A patent/EP0914652B1/en not_active Expired - Lifetime
- 1998-04-02 DE DE69830774T patent/DE69830774T2/de not_active Expired - Fee Related
- 1998-04-02 WO PCT/IB1998/000481 patent/WO1998049679A2/en not_active Ceased
- 1998-04-20 US US09/062,943 patent/US6137755A/en not_active Expired - Fee Related
- 1998-04-22 MY MYPI98001803A patent/MY120534A/en unknown
- 1998-04-30 TW TW087106710A patent/TW399202B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998049679A3 (en) | 1999-02-04 |
| DE69830774T2 (de) | 2006-05-18 |
| CN1229504A (zh) | 1999-09-22 |
| MY120534A (en) | 2005-11-30 |
| JP2000512791A (ja) | 2000-09-26 |
| US6137755A (en) | 2000-10-24 |
| EP0914652A2 (en) | 1999-05-12 |
| CN1127724C (zh) | 2003-11-12 |
| EP0914652B1 (en) | 2005-07-06 |
| DE69830774D1 (de) | 2005-08-11 |
| WO1998049679A2 (en) | 1998-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |