JPH06101132B2 - 光走査装置 - Google Patents
光走査装置Info
- Publication number
- JPH06101132B2 JPH06101132B2 JP4114848A JP11484892A JPH06101132B2 JP H06101132 B2 JPH06101132 B2 JP H06101132B2 JP 4114848 A JP4114848 A JP 4114848A JP 11484892 A JP11484892 A JP 11484892A JP H06101132 B2 JPH06101132 B2 JP H06101132B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- tracking
- track
- circuit
- reference signal
- 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 abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000010606 normalization Methods 0.000 claims abstract description 24
- 230000007547 defect Effects 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000758 substrate Substances 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
- 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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Landscapes
- Optical Recording Or Reproduction (AREA)
- Microscoopes, Condenser (AREA)
- Holo Graphy (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Vehicle Body Suspensions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91201132 | 1991-05-10 | ||
| NL91201132:7 | 1991-07-31 | ||
| NL912011327 | 1991-07-31 | ||
| NL912019866 | 1991-07-31 | ||
| NL91201986:6 | 1991-07-31 | ||
| EP91201986 | 1991-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05128558A JPH05128558A (ja) | 1993-05-25 |
| JPH06101132B2 true JPH06101132B2 (ja) | 1994-12-12 |
Family
ID=26129260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114848A Expired - Fee Related JPH06101132B2 (ja) | 1991-05-10 | 1992-05-07 | 光走査装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5155717A (en, 2012) |
| EP (1) | EP0512616B1 (en, 2012) |
| JP (1) | JPH06101132B2 (en, 2012) |
| CN (1) | CN1031602C (en, 2012) |
| AT (1) | ATE141435T1 (en, 2012) |
| DE (1) | DE69212694T2 (en, 2012) |
| TW (1) | TW221074B (en, 2012) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04313819A (ja) * | 1991-01-30 | 1992-11-05 | Pioneer Electron Corp | 光スポット位置検出装置 |
| JP2935908B2 (ja) * | 1991-01-30 | 1999-08-16 | パイオニア株式会社 | 光スポット位置検出装置 |
| KR950010418B1 (ko) * | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
| KR950015234A (ko) * | 1993-11-29 | 1995-06-16 | 배순훈 | 광픽업 장치 |
| SG49121A1 (en) * | 1994-02-22 | 1998-05-18 | Philips Electronics Nv | Optical scanning device |
| WO1996006427A2 (en) * | 1994-08-23 | 1996-02-29 | Philips Electronics N.V. | Multi-layer information storage system |
| JP3410869B2 (ja) * | 1995-04-11 | 2003-05-26 | 株式会社リコー | 光ピックアップ装置 |
| US20030155871A1 (en) * | 1998-01-28 | 2003-08-21 | Yuichi Maekawa | TLN signal generating apparatus used in optical disc drive and optical disc drive equipped with the apparatus, and optical disc drive equipped with amplitude adjusting apparatus for tracking error signal |
| US6940676B1 (en) * | 2000-06-07 | 2005-09-06 | Quantum Corporation | Triple push-pull optical tracking system |
| US7466636B2 (en) * | 2000-08-24 | 2008-12-16 | Thomson Licensing | Method for generating a corrected error signal, and corresponding apparatus |
| DE10041569A1 (de) * | 2000-08-24 | 2002-03-07 | Thomson Brandt Gmbh | Verfahren zum Erzeugen eines korrigierten Fehlersignals sowie entsprechendes Gerät |
| JP3959972B2 (ja) * | 2001-02-09 | 2007-08-15 | ソニー株式会社 | 光スポット進行方向判定装置及び方法、光学ヘッド装置制御装置及び方法、並びに光ディスク記録再生装置 |
| DE10140325A1 (de) * | 2001-08-16 | 2003-02-27 | Thomson Brandt Gmbh | Verfahren zur Verminderung des Rauschens in einem Wobbelsignal |
| JP3800112B2 (ja) * | 2002-03-07 | 2006-07-26 | ヤマハ株式会社 | 光ディスク記録方法およびその装置 |
| WO2004049319A1 (en) * | 2002-11-27 | 2004-06-10 | Nokia Corporation | Read/write device for optical memory and method therefore |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8200208A (nl) * | 1982-01-21 | 1983-08-16 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
| NL8202058A (nl) * | 1982-05-19 | 1983-12-16 | Philips Nv | Opto-elektronisch fokusfout-detektiestelsel. |
| JPS6378350A (ja) * | 1986-09-20 | 1988-04-08 | Teac Co | 光学式記録再生装置 |
| JP2800156B2 (ja) * | 1987-10-06 | 1998-09-21 | 三菱電機株式会社 | 光学式ヘッド装置 |
| JPH0296618U (en, 2012) * | 1989-01-17 | 1990-08-01 | ||
| JPH035927A (ja) * | 1989-06-01 | 1991-01-11 | Sony Corp | 光学記録および／または再生装置 |
-
1991
- 1991-09-06 TW TW080107075A patent/TW221074B/zh active
- 1991-09-09 US US07/758,979 patent/US5155717A/en not_active Expired - Lifetime
-
1992
- 1992-05-04 DE DE69212694T patent/DE69212694T2/de not_active Expired - Fee Related
- 1992-05-04 AT AT92201206T patent/ATE141435T1/de not_active IP Right Cessation
- 1992-05-04 EP EP92201206A patent/EP0512616B1/en not_active Expired - Lifetime
- 1992-05-07 CN CN92103464.4A patent/CN1031602C/zh not_active Expired - Fee Related
- 1992-05-07 JP JP4114848A patent/JPH06101132B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0512616A3 (en) | 1993-05-05 |
| US5155717A (en) | 1992-10-13 |
| CN1066734A (zh) | 1992-12-02 |
| JPH05128558A (ja) | 1993-05-25 |
| EP0512616A2 (en) | 1992-11-11 |
| CN1031602C (zh) | 1996-04-17 |
| DE69212694D1 (de) | 1996-09-19 |
| DE69212694T2 (de) | 1997-02-27 |
| ATE141435T1 (de) | 1996-08-15 |
| EP0512616B1 (en) | 1996-08-14 |
| TW221074B (en, 2012) | 1994-02-11 |
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| JPH0554178B2 (en, 2012) | ||
| JPH07192306A (ja) | 光ピックアップ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081212 Year of fee payment: 14 |
|
| LAPS | Cancellation because of no payment of annual fees |