FI921365A0 - Detektorkrets. - Google Patents
Detektorkrets.Info
- Publication number
- FI921365A0 FI921365A0 FI921365A FI921365A FI921365A0 FI 921365 A0 FI921365 A0 FI 921365A0 FI 921365 A FI921365 A FI 921365A FI 921365 A FI921365 A FI 921365A FI 921365 A0 FI921365 A0 FI 921365A0
- Authority
- FI
- Finland
- Prior art keywords
- signal
- track
- detector circuit
- data
- players
- Prior art date
Links
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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Air Bags (AREA)
- Burglar Alarm Systems (AREA)
- Electrophonic Musical Instruments (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Enzymes And Modification Thereof (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Fire-Detection Mechanisms (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3932831A DE3932831A1 (de) | 1989-09-30 | 1989-09-30 | Detektionsschaltung |
PCT/EP1990/001595 WO1991005340A1 (de) | 1989-09-30 | 1990-09-20 | Detektionsschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
FI921365A FI921365A (fi) | 1992-03-27 |
FI921365A0 true FI921365A0 (fi) | 1992-03-27 |
Family
ID=6390658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI921365A FI921365A0 (fi) | 1989-09-30 | 1992-03-27 | Detektorkrets. |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0494892B1 (tr) |
JP (1) | JP2854131B2 (tr) |
KR (1) | KR100227668B1 (tr) |
CN (1) | CN1020009C (tr) |
AT (1) | ATE119706T1 (tr) |
AU (1) | AU6418690A (tr) |
DD (1) | DD298325A5 (tr) |
DE (2) | DE3932831A1 (tr) |
ES (1) | ES2071829T3 (tr) |
FI (1) | FI921365A0 (tr) |
HK (1) | HK81796A (tr) |
HU (1) | HUT61118A (tr) |
MY (1) | MY107309A (tr) |
TR (1) | TR24612A (tr) |
WO (1) | WO1991005340A1 (tr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0538936B1 (en) * | 1991-10-23 | 1997-01-08 | Koninklijke Philips Electronics N.V. | Device for scanning a record carrier |
JP2002150572A (ja) * | 2000-11-07 | 2002-05-24 | Sanyo Electric Co Ltd | ディスク装置 |
DE10062079A1 (de) * | 2000-12-13 | 2002-06-27 | Thomson Brandt Gmbh | Verfahren zum Spurzählen und entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers |
JP4245436B2 (ja) * | 2003-08-08 | 2009-03-25 | パナソニック株式会社 | ディフェクト検出装置 |
JP2010524142A (ja) * | 2007-04-05 | 2010-07-15 | 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 | 遅延させた層間ジャンプを伴う光ディスクドライブ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4855977A (en) * | 1987-07-27 | 1989-08-08 | Laser Magnetic Storage International Company | Track seeking apparatus and method using sampled information |
-
1989
- 1989-09-30 DE DE3932831A patent/DE3932831A1/de not_active Withdrawn
-
1990
- 1990-09-20 JP JP2513261A patent/JP2854131B2/ja not_active Expired - Lifetime
- 1990-09-20 HU HU9200995A patent/HUT61118A/hu unknown
- 1990-09-20 AU AU64186/90A patent/AU6418690A/en not_active Abandoned
- 1990-09-20 DE DE59008679T patent/DE59008679D1/de not_active Expired - Lifetime
- 1990-09-20 WO PCT/EP1990/001595 patent/WO1991005340A1/de active IP Right Grant
- 1990-09-20 AT AT90914170T patent/ATE119706T1/de not_active IP Right Cessation
- 1990-09-20 KR KR1019920700709A patent/KR100227668B1/ko not_active IP Right Cessation
- 1990-09-20 ES ES90914170T patent/ES2071829T3/es not_active Expired - Lifetime
- 1990-09-20 EP EP90914170A patent/EP0494892B1/de not_active Expired - Lifetime
- 1990-09-28 DD DD90344296A patent/DD298325A5/de not_active IP Right Cessation
- 1990-09-28 MY MYPI90001677A patent/MY107309A/en unknown
- 1990-09-28 CN CN90108036A patent/CN1020009C/zh not_active Expired - Lifetime
- 1990-10-08 TR TR90/0923A patent/TR24612A/tr unknown
-
1992
- 1992-03-27 FI FI921365A patent/FI921365A0/fi not_active Application Discontinuation
-
1996
- 1996-05-09 HK HK81796A patent/HK81796A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3932831A1 (de) | 1991-04-11 |
WO1991005340A1 (de) | 1991-04-18 |
EP0494892B1 (de) | 1995-03-08 |
FI921365A (fi) | 1992-03-27 |
MY107309A (en) | 1995-11-30 |
KR920704281A (ko) | 1992-12-19 |
DD298325A5 (de) | 1992-02-13 |
TR24612A (tr) | 1992-01-01 |
HU9200995D0 (en) | 1992-06-29 |
EP0494892A1 (de) | 1992-07-22 |
ATE119706T1 (de) | 1995-03-15 |
CN1020009C (zh) | 1993-03-03 |
JPH05500577A (ja) | 1993-02-04 |
KR100227668B1 (ko) | 1999-11-01 |
HK81796A (en) | 1996-05-17 |
ES2071829T3 (es) | 1995-07-01 |
DE59008679D1 (de) | 1995-04-13 |
AU6418690A (en) | 1991-04-28 |
JP2854131B2 (ja) | 1999-02-03 |
HUT61118A (en) | 1992-11-30 |
CN1050637A (zh) | 1991-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0245511A4 (en) | OPTICAL CARD READER. | |
MY130581A (en) | Write once optical disc recording apparatus | |
JPS6467776A (en) | Disk device | |
KR850003028A (ko) | 정보재생장치 | |
KR870009348A (ko) | 광학식 기록장치 | |
JP2602493B2 (ja) | 光学的データ記録装置 | |
KR890005676A (ko) | 광데이터기록/재생장치 | |
FI921365A0 (fi) | Detektorkrets. | |
MY104267A (en) | Optical pick-up devices | |
KR840003511A (ko) | 디스크 재생장치 | |
KR900002267A (ko) | 광자기 메모리 장치와 광메모리 장치 | |
KR890005673A (ko) | 광학 스캐닝 장치의 트래킹 제어회로 | |
DE3867612D1 (de) | Geraet zur wiedergabe von daten. | |
DK572888D0 (da) | Apparat til gengivelse af data | |
CA2086289C (en) | Optical information recording and reproducing apparatus | |
KR20020056961A (ko) | 자기 광학 컴퓨터 메모리 장치내의 데이터 결함 보상 시스템 및 방법 | |
KR910005230A (ko) | 정보 레코딩 및 판독 장치, 정보 레코딩 장치 및 레코드 캐리어 | |
KR100312324B1 (ko) | 제로크로싱레벨정합장치및그방법 | |
US5181196A (en) | Erase mark detecting circuit for detecting an erase mark superimposed on data recorded on a sector of an optical recording medium | |
MXPA02003982A (es) | Medio de grabacion optico, substrato para el medio de grabacion optico y dispositivo de disco optico. | |
KR19990055444A (ko) | 광 디스크 재생장치의 디스크 흠집 감지회로 | |
JPH01307923A (ja) | 欠陥検出回路 | |
JPH041408B2 (tr) | ||
JPS63213122A (ja) | 光学式記録再生装置 | |
JPH02152018A (ja) | トラック通過信号検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |