JPH1116177A - 光学記録媒体に対する読み出し及び／又は書き込み装置 - Google Patents
光学記録媒体に対する読み出し及び／又は書き込み装置Info
- Publication number
- JPH1116177A JPH1116177A JP10165872A JP16587298A JPH1116177A JP H1116177 A JPH1116177 A JP H1116177A JP 10165872 A JP10165872 A JP 10165872A JP 16587298 A JP16587298 A JP 16587298A JP H1116177 A JPH1116177 A JP H1116177A
- Authority
- JP
- Japan
- Prior art keywords
- detector
- signal
- delay
- output
- elements
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 61
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000008901 benefit Effects 0.000 description 20
- 230000008859 change Effects 0.000 description 17
- 230000001360 synchronised effect Effects 0.000 description 12
- 230000003111 delayed effect Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000010363 phase shift Effects 0.000 description 7
- 230000010354 integration Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009897 systematic 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
- G11B7/08—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
- G11B7/0906—Differential phase difference 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19723542A DE19723542A1 (de) | 1997-06-05 | 1997-06-05 | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
| DE19723542.5 | 1997-06-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1116177A true JPH1116177A (ja) | 1999-01-22 |
| JPH1116177A5 JPH1116177A5 (enExample) | 2005-10-06 |
Family
ID=7831453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10165872A Pending JPH1116177A (ja) | 1997-06-05 | 1998-06-01 | 光学記録媒体に対する読み出し及び／又は書き込み装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6266305B1 (enExample) |
| EP (1) | EP0883114B1 (enExample) |
| JP (1) | JPH1116177A (enExample) |
| CN (1) | CN1127062C (enExample) |
| DE (2) | DE19723542A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262954B1 (en) * | 1997-09-30 | 2001-07-17 | Kabushiki Kaisha Toshiba | Optical disk apparatus |
| EP0936602B1 (en) * | 1998-02-13 | 2006-09-20 | Yamaha Corporation | Optical disk recording technique capable of forming pits accurately centered on track and servo-balance adjusting technique for optical disk recording |
| DE19852291A1 (de) * | 1998-11-13 | 2000-05-18 | Thomson Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
| FR2796487B1 (fr) * | 1999-06-28 | 2001-10-12 | St Microelectronics Sa | Procede et dispositif pour l'asservissement d'un faisceau optique incident sur une piste d'un support mobile d'informations, en particulier un disque numerique a vitesse de rotation elevee |
| JP3439393B2 (ja) * | 1999-08-30 | 2003-08-25 | 松下電器産業株式会社 | トラッキング誤差検出装置 |
| KR20010059876A (ko) * | 1999-12-30 | 2001-07-06 | 구자홍 | 광 기록재생기의 제어 방법 |
| DE10041426A1 (de) * | 2000-08-23 | 2002-03-07 | Thomson Brandt Gmbh | Verfahren zur Spurführung in einem Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers |
| DE10140326A1 (de) * | 2001-08-16 | 2003-02-27 | Thomson Brandt Gmbh | Verfahren zur Verminderung des Rauschens in einem Wobbelsignal |
| KR100906472B1 (ko) * | 2002-05-21 | 2009-07-08 | 삼성전자주식회사 | 다중 검출기를 이용한 광기록매체 데이터 재생 장치 |
| CN100501842C (zh) * | 2002-06-07 | 2009-06-17 | 汤姆森特许公司 | 优化的跟踪方法 |
| KR100629500B1 (ko) * | 2002-07-31 | 2006-09-28 | 삼성전자주식회사 | 트랙킹 에러신호 생성장치 |
| TWI248610B (en) * | 2003-04-07 | 2006-02-01 | Mediatek Inc | Method and related apparatus for deriving a tracking error signal |
| US7084894B2 (en) * | 2003-09-12 | 2006-08-01 | Hewlett-Packard Development Company, L.P. | Optical disc drive focusing apparatus |
| JP4050738B2 (ja) * | 2003-11-07 | 2008-02-20 | 松下電器産業株式会社 | アドレス信号位置検出装置、光ディスク再生装置およびアドレス信号位置検出方法 |
| JP4326404B2 (ja) * | 2004-06-09 | 2009-09-09 | 株式会社リコー | 位相差検出回路及びその位相差検出回路を有する光ディスク装置 |
| 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 |
| 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 |
| US7324419B2 (en) * | 2004-12-11 | 2008-01-29 | Hewlett-Packard Development Company, L.P. | Focus control via AC input signal |
| JP4514790B2 (ja) * | 2005-06-01 | 2010-07-28 | パナソニック株式会社 | 位相誤差検出装置 |
| US7551469B1 (en) * | 2009-01-05 | 2009-06-23 | Internationa Business Machines Corporation | Unidirectional racetrack memory device |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591292A (en) * | 1968-06-03 | 1971-07-06 | Bendix Corp | Optical control device |
| NL182258C (nl) * | 1976-01-28 | 1988-02-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur. |
| US4057833A (en) * | 1974-10-03 | 1977-11-08 | U.S. Philips Corporation | Centering detection system for an apparatus for playing optically readable record carriers |
| NL8000122A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager. |
| NL8102621A (nl) * | 1981-05-29 | 1982-12-16 | Philips Nv | Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. |
| JPS5891538A (ja) * | 1981-11-25 | 1983-05-31 | Hitachi Ltd | 光デイスクトラツク追跡装置 |
| US4740940A (en) * | 1985-03-11 | 1988-04-26 | Matsushita Electric Industrial Co., Ltd. | Optical information read apparatus |
| JPH063648B2 (ja) * | 1986-01-16 | 1994-01-12 | 松下電器産業株式会社 | 光学的情報再生装置 |
| JPS63131334A (ja) * | 1986-11-20 | 1988-06-03 | Matsushita Electric Ind Co Ltd | 光学的情報再生装置 |
| NL8703001A (nl) * | 1986-12-11 | 1988-07-01 | Pioneer Electronic Corp | Een volgfoutsignaalgenerator. |
| JP2614482B2 (ja) * | 1988-03-11 | 1997-05-28 | 三洋電機株式会社 | 光学式デイスクプレーヤの信号再生回路 |
| JPH02108244A (ja) * | 1988-10-17 | 1990-04-20 | Matsushita Electric Ind Co Ltd | 光学的情報再生装置 |
| JP2716569B2 (ja) * | 1990-04-25 | 1998-02-18 | パイオニア株式会社 | 光学式情報読取り装置 |
| DE4026875A1 (de) * | 1990-08-25 | 1992-02-27 | Thomson Brandt Gmbh | Optische abtastvorrichtung |
| TW364992B (en) * | 1996-04-25 | 1999-07-21 | Toshiba Corp | Optic data regeneration apparatus and control method thereof |
| DE19627383A1 (de) * | 1996-07-06 | 1998-01-08 | Thomson Brandt Gmbh | Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger |
-
1997
- 1997-06-05 DE DE19723542A patent/DE19723542A1/de not_active Withdrawn
-
1998
- 1998-05-25 DE DE69836515T patent/DE69836515T2/de not_active Expired - Fee Related
- 1998-05-25 EP EP98109431A patent/EP0883114B1/en not_active Expired - Lifetime
- 1998-06-01 JP JP10165872A patent/JPH1116177A/ja active Pending
- 1998-06-01 CN CN98108721A patent/CN1127062C/zh not_active Expired - Fee Related
- 1998-06-03 US US09/090,045 patent/US6266305B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0883114B1 (en) | 2006-11-29 |
| CN1201975A (zh) | 1998-12-16 |
| DE69836515D1 (de) | 2007-01-11 |
| EP0883114A2 (en) | 1998-12-09 |
| CN1127062C (zh) | 2003-11-05 |
| US6266305B1 (en) | 2001-07-24 |
| EP0883114A3 (en) | 2000-02-23 |
| DE19723542A1 (de) | 1998-12-10 |
| DE69836515T2 (de) | 2007-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050523 |
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| A621 | Written request for application examination |
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| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070220 |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070227 |
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| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070528 |
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| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070531 |
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| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070823 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080226 |