DD298325A5 - Detektionsschaltung - Google Patents
Detektionsschaltung Download PDFInfo
- Publication number
- DD298325A5 DD298325A5 DD90344296A DD34429690A DD298325A5 DD 298325 A5 DD298325 A5 DD 298325A5 DD 90344296 A DD90344296 A DD 90344296A DD 34429690 A DD34429690 A DD 34429690A DD 298325 A5 DD298325 A5 DD 298325A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- signal
- error signal
- input
- gate
- detection circuit
- 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)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Fire-Detection Mechanisms (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3932831A DE3932831A1 (de) | 1989-09-30 | 1989-09-30 | Detektionsschaltung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD298325A5 true DD298325A5 (de) | 1992-02-13 |
Family
ID=6390658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD90344296A DD298325A5 (de) | 1989-09-30 | 1990-09-28 | Detektionsschaltung |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0494892B1 (fi) |
| JP (1) | JP2854131B2 (fi) |
| KR (1) | KR100227668B1 (fi) |
| CN (1) | CN1020009C (fi) |
| AT (1) | ATE119706T1 (fi) |
| AU (1) | AU6418690A (fi) |
| DD (1) | DD298325A5 (fi) |
| DE (2) | DE3932831A1 (fi) |
| ES (1) | ES2071829T3 (fi) |
| FI (1) | FI921365A (fi) |
| HK (1) | HK81796A (fi) |
| HU (1) | HUT61118A (fi) |
| MY (1) | MY107309A (fi) |
| TR (1) | TR24612A (fi) |
| WO (1) | WO1991005340A1 (fi) |
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 |
| EP2145332A1 (en) * | 2007-04-05 | 2010-01-20 | Koninklijke Philips Electronics N.V. | Optical disc drive with delayed layer jump |
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 AU AU64186/90A patent/AU6418690A/en not_active Abandoned
- 1990-09-20 JP JP2513261A patent/JP2854131B2/ja not_active Expired - Lifetime
- 1990-09-20 DE DE59008679T patent/DE59008679D1/de not_active Expired - Lifetime
- 1990-09-20 AT AT90914170T patent/ATE119706T1/de not_active IP Right Cessation
- 1990-09-20 WO PCT/EP1990/001595 patent/WO1991005340A1/de active IP Right Grant
- 1990-09-20 ES ES90914170T patent/ES2071829T3/es not_active Expired - Lifetime
- 1990-09-20 EP EP90914170A patent/EP0494892B1/de not_active Expired - Lifetime
- 1990-09-20 KR KR1019920700709A patent/KR100227668B1/ko not_active IP Right Cessation
- 1990-09-20 HU HU9200995A patent/HUT61118A/hu unknown
- 1990-09-28 MY MYPI90001677A patent/MY107309A/en unknown
- 1990-09-28 DD DD90344296A patent/DD298325A5/de not_active IP Right Cessation
- 1990-09-28 CN CN90108036A patent/CN1020009C/zh not_active Expired - Lifetime
- 1990-10-08 TR TR90/0923A patent/TR24612A/xx unknown
-
1992
- 1992-03-27 FI FI921365A patent/FI921365A/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 |
|---|---|
| CN1020009C (zh) | 1993-03-03 |
| JP2854131B2 (ja) | 1999-02-03 |
| FI921365A0 (fi) | 1992-03-27 |
| DE3932831A1 (de) | 1991-04-11 |
| MY107309A (en) | 1995-11-30 |
| ATE119706T1 (de) | 1995-03-15 |
| HK81796A (en) | 1996-05-17 |
| ES2071829T3 (es) | 1995-07-01 |
| DE59008679D1 (de) | 1995-04-13 |
| AU6418690A (en) | 1991-04-28 |
| CN1050637A (zh) | 1991-04-10 |
| FI921365A (fi) | 1992-03-27 |
| KR920704281A (ko) | 1992-12-19 |
| WO1991005340A1 (de) | 1991-04-18 |
| JPH05500577A (ja) | 1993-02-04 |
| EP0494892B1 (de) | 1995-03-08 |
| TR24612A (tr) | 1992-01-01 |
| HUT61118A (en) | 1992-11-30 |
| KR100227668B1 (ko) | 1999-11-01 |
| HU9200995D0 (en) | 1992-06-29 |
| EP0494892A1 (de) | 1992-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |