KR890005673A - 광학 스캐닝 장치의 트래킹 제어회로 - Google Patents
광학 스캐닝 장치의 트래킹 제어회로Info
- Publication number
- KR890005673A KR890005673A KR1019880012605A KR880012605A KR890005673A KR 890005673 A KR890005673 A KR 890005673A KR 1019880012605 A KR1019880012605 A KR 1019880012605A KR 880012605 A KR880012605 A KR 880012605A KR 890005673 A KR890005673 A KR 890005673A
- Authority
- KR
- South Korea
- Prior art keywords
- data track
- players
- picked
- control circuit
- tracking control
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
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
- G11B7/095—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
-
- 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
- G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Geophysics And Detection Of Objects (AREA)
- Pinball Game Machines (AREA)
- Holo Graphy (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873732899 DE3732899A1 (de) | 1987-09-30 | 1987-09-30 | Spurregelkreis fuer eine optische abtastvorrichtung |
| DE3732899.9 | 1987-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890005673A true KR890005673A (ko) | 1989-05-16 |
| KR970000409B1 KR970000409B1 (ko) | 1997-01-09 |
Family
ID=6337187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880012605A KR970000409B1 (ko) | 1987-09-30 | 1988-09-29 | 광학 스캐닝 장치의 트래킹 제어회로 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5033041A (ko) |
| EP (1) | EP0313745B1 (ko) |
| JP (1) | JPH01107325A (ko) |
| KR (1) | KR970000409B1 (ko) |
| AT (1) | ATE87116T1 (ko) |
| DE (2) | DE3732899A1 (ko) |
| DK (1) | DK549288A (ko) |
| ES (1) | ES2039527T3 (ko) |
| HK (1) | HK14196A (ko) |
| HU (1) | HU199033B (ko) |
| MY (1) | MY103553A (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202864A (en) * | 1988-04-14 | 1993-04-13 | Matsushita Electric Industrial Co., Ltd. | Slip-off preventing tracking control apparatus |
| JPH0727651B2 (ja) * | 1989-06-12 | 1995-03-29 | パイオニア株式会社 | トラック構造を有する情報記録媒体の情報読取方法 |
| JPH03181024A (ja) * | 1989-12-07 | 1991-08-07 | Sony Corp | 光学式ディスク装置 |
| 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 |
| DE4104017A1 (de) * | 1991-02-09 | 1992-08-13 | Thomson Brandt Gmbh | Verfahren zum lesen von daten von einem rotierenden plattenfoermigen aufzeichnungstraeger |
| JP2835261B2 (ja) * | 1993-02-22 | 1998-12-14 | 株式会社内山商会 | ブリッジの取付け装置 |
| JPH0737182U (ja) * | 1993-12-03 | 1995-07-11 | 一郎 栗原 | 携帯用薬箱 |
| US6744711B1 (en) | 2000-06-20 | 2004-06-01 | Discovision Associates | Method and apparatus for a high-speed search of an optical medium |
| TWI242205B (en) * | 2003-07-18 | 2005-10-21 | Via Tech Inc | Method and circuit for generating the tracking error signal using differential phase detection |
| GB2563938A (en) * | 2017-06-30 | 2019-01-02 | Lee Richard | First aid storage and dispensing apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7808638A (nl) * | 1978-08-22 | 1980-02-26 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige re- gistratiedrager. |
| JPS5753830A (en) * | 1980-09-12 | 1982-03-31 | Sony Corp | Tracking servo device for optical information signal reproducer |
| US4484319A (en) * | 1980-09-19 | 1984-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for locating a track on disc-like optical information carriers |
| US4365324A (en) * | 1980-11-19 | 1982-12-21 | Rca Corporation | Eccentricity control device |
| JPS60154358A (ja) * | 1984-01-20 | 1985-08-14 | Pioneer Electronic Corp | 記録情報再生装置 |
| KR870006556A (ko) * | 1985-12-13 | 1987-07-13 | 미쓰다 가쓰시게 | 트랙킹서보 제어장치 |
| JPH0679378B2 (ja) * | 1986-12-15 | 1994-10-05 | ソニー株式会社 | 光学式記録再生装置のトラツキングサ−ボ回路 |
| KR910003457B1 (ko) * | 1987-09-17 | 1991-05-31 | 삼성전자 주식회사 | 광 디스크 드라이버의 데이타 트랙 카운터회로 |
-
1987
- 1987-09-30 DE DE19873732899 patent/DE3732899A1/de not_active Withdrawn
-
1988
- 1988-08-17 DE DE8888113303T patent/DE3879367D1/de not_active Expired - Lifetime
- 1988-08-17 ES ES198888113303T patent/ES2039527T3/es not_active Expired - Lifetime
- 1988-08-17 AT AT88113303T patent/ATE87116T1/de not_active IP Right Cessation
- 1988-08-17 EP EP88113303A patent/EP0313745B1/de not_active Expired - Lifetime
- 1988-09-28 US US07/250,780 patent/US5033041A/en not_active Expired - Lifetime
- 1988-09-28 JP JP63241199A patent/JPH01107325A/ja active Pending
- 1988-09-28 MY MYPI88001083A patent/MY103553A/en unknown
- 1988-09-29 KR KR1019880012605A patent/KR970000409B1/ko not_active IP Right Cessation
- 1988-09-30 DK DK549288A patent/DK549288A/da not_active Application Discontinuation
- 1988-09-30 HU HU885102A patent/HU199033B/hu not_active IP Right Cessation
-
1996
- 1996-01-25 HK HK14196A patent/HK14196A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HUT48043A (en) | 1989-04-28 |
| JPH01107325A (ja) | 1989-04-25 |
| DE3732899A1 (de) | 1989-04-20 |
| KR970000409B1 (ko) | 1997-01-09 |
| EP0313745B1 (de) | 1993-03-17 |
| DK549288D0 (da) | 1988-09-30 |
| ATE87116T1 (de) | 1993-04-15 |
| MY103553A (en) | 1993-07-31 |
| HK14196A (en) | 1996-02-02 |
| US5033041A (en) | 1991-07-16 |
| HU199033B (en) | 1989-12-28 |
| DK549288A (da) | 1989-03-31 |
| EP0313745A1 (de) | 1989-05-03 |
| DE3879367D1 (de) | 1993-04-22 |
| ES2039527T3 (es) | 1993-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4787075A (en) | Optical information recording medium and apparatus for recording/reproducing information using the same | |
| KR870000482B1 (ko) | 광학 디스크 정보재생장치용 주사서어보 시스템 | |
| MY131532A (en) | Recording medium having track formed of land portion and groove portion, and reproducing apparatus therefor | |
| KR920005265B1 (ko) | 기록 캐리어의 정보 재생장치 | |
| EP0270365A1 (en) | Servo circuits for optical disc information recording and/or reproducing apparatus | |
| KR890005673A (ko) | 광학 스캐닝 장치의 트래킹 제어회로 | |
| MY104267A (en) | Optical pick-up devices | |
| KR840003511A (ko) | 디스크 재생장치 | |
| KR0130474B1 (ko) | 정보 재생 장치 | |
| ATE82816T1 (de) | Geraet zur wiedergabe von daten. | |
| KR960042567A (ko) | 광학적 기록매체에 대한 트랙킹방법 및 장치 | |
| JPH04137226A (ja) | 情報記録／再生装置 | |
| ATE70653T1 (de) | Spurregelkreis zum fuehren eines lichtstrahls. | |
| JPS5755568A (en) | Recording and reproducing device | |
| KR100312324B1 (ko) | 제로크로싱레벨정합장치및그방법 | |
| JP2841753B2 (ja) | 光磁気記録再生装置 | |
| MY105765A (en) | Optical pick-up | |
| KR880003295A (ko) | 광학식 디스크재생장치의 촛점 서어보이득 조정회로 | |
| MXPA02003982A (es) | Medio de grabacion optico, substrato para el medio de grabacion optico y dispositivo de disco optico. | |
| JPS5465503A (en) | Information recorder-reproducer | |
| KR100197626B1 (ko) | 1빔 픽업의 트랙제로크로싱신호 보상장치 | |
| JPH067107B2 (ja) | 情報記録ディスクのディフェクト検出装置 | |
| JPS62259236A (ja) | 光学的録再装置 | |
| KR930001150A (ko) | 광 디스크 플레이어의 서보 제어회로 | |
| JPH02263336A (ja) | 光学的情報記録再生装置におけるトラッキングサーボ方式 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20080102 Year of fee payment: 12 |
|
| LAPS | Lapse due to unpaid annual fee |