HK72597A - Elimination of scanning disturbances - Google Patents
Elimination of scanning disturbancesInfo
- Publication number
- HK72597A HK72597A HK72597A HK72597A HK72597A HK 72597 A HK72597 A HK 72597A HK 72597 A HK72597 A HK 72597A HK 72597 A HK72597 A HK 72597A HK 72597 A HK72597 A HK 72597A
- Authority
- HK
- Hong Kong
- Prior art keywords
- elimination
- disturbances
- scanning
- scanning disturbances
- 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
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4301827A DE4301827A1 (de) | 1993-01-23 | 1993-01-23 | Eliminieren von Abtaststörungen |
| PCT/EP1994/000124 WO1994017525A1 (de) | 1993-01-23 | 1994-01-19 | Eliminieren von abtaststörungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK72597A true HK72597A (en) | 1997-06-06 |
Family
ID=6478810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK72597A HK72597A (en) | 1993-01-23 | 1997-05-29 | Elimination of scanning disturbances |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5841745A (xx) |
| EP (1) | EP0681731B1 (xx) |
| JP (1) | JPH08509088A (xx) |
| KR (1) | KR100318508B1 (xx) |
| CN (1) | CN1046367C (xx) |
| DE (2) | DE4301827A1 (xx) |
| ES (1) | ES2097028T3 (xx) |
| HK (1) | HK72597A (xx) |
| WO (1) | WO1994017525A1 (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002109778A (ja) * | 2000-09-29 | 2002-04-12 | Pioneer Electronic Corp | 光ピックアップ装置 |
| DE10100881B4 (de) * | 2001-01-11 | 2006-05-11 | Robert Bosch Gmbh | Vorrichtung zur Seitenaufpralldetektion in einem Kraftfahrzeug |
| DE10214775A1 (de) * | 2002-04-03 | 2003-10-16 | Thomson Brandt Gmbh | Vorrichtung zur Korrektur von Signalmodulationen |
| DE602005015350D1 (de) * | 2004-09-16 | 2009-08-20 | Koninkl Philips Electronics Nv | Optische abtastvorrichtung |
| US10153838B1 (en) | 2016-12-28 | 2018-12-11 | Facebook, Inc. | Quad tracker with birefringent optics |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160269A (en) * | 1971-03-04 | 1979-07-03 | U.S. Philips Corporation | Apparatus for optically reading a phase-modulated optical record carrier |
| GB2137746A (en) * | 1983-04-05 | 1984-10-10 | Hewlett Packard Co | Apparatus for Detecting Deviations of Position from a Reference |
| DE3339736C1 (de) * | 1983-11-03 | 1985-06-05 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung |
| JPH0677318B2 (ja) * | 1983-12-05 | 1994-09-28 | ソニー株式会社 | 光デイスク記録装置 |
| US4706235A (en) * | 1985-01-25 | 1987-11-10 | Storage Technology Partners 11 | Differential track recording |
| EP0239131A3 (en) * | 1986-03-28 | 1989-05-24 | Csk Corporation | Optical recording medium and tracking method therefor |
| JPH01269240A (ja) * | 1988-04-20 | 1989-10-26 | Csk Corp | 光記録装置 |
| US5050153A (en) * | 1989-06-06 | 1991-09-17 | Wai-Hon Lee | Semiconductor laser optical head assembly |
| JPH03100931A (ja) * | 1989-09-14 | 1991-04-25 | Mitsubishi Electric Corp | 光学式情報記録再生装置 |
| KR950010418B1 (ko) * | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
| US5694385A (en) * | 1993-09-24 | 1997-12-02 | Ricoh Comany, Ltd. | Optical pickup apparatus |
-
1993
- 1993-01-23 DE DE4301827A patent/DE4301827A1/de not_active Withdrawn
-
1994
- 1994-01-19 CN CN94191330A patent/CN1046367C/zh not_active Expired - Fee Related
- 1994-01-19 JP JP6516641A patent/JPH08509088A/ja active Pending
- 1994-01-19 US US08/481,456 patent/US5841745A/en not_active Expired - Fee Related
- 1994-01-19 DE DE59401268T patent/DE59401268D1/de not_active Expired - Lifetime
- 1994-01-19 WO PCT/EP1994/000124 patent/WO1994017525A1/de active IP Right Grant
- 1994-01-19 ES ES94905087T patent/ES2097028T3/es not_active Expired - Lifetime
- 1994-01-19 KR KR1019950703048A patent/KR100318508B1/ko not_active IP Right Cessation
- 1994-01-19 EP EP94905087A patent/EP0681731B1/de not_active Expired - Lifetime
-
1997
- 1997-05-29 HK HK72597A patent/HK72597A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2097028T3 (es) | 1997-03-16 |
| KR960700506A (ko) | 1996-01-20 |
| KR100318508B1 (ko) | 2002-04-22 |
| CN1046367C (zh) | 1999-11-10 |
| WO1994017525A1 (de) | 1994-08-04 |
| CN1118634A (zh) | 1996-03-13 |
| JPH08509088A (ja) | 1996-09-24 |
| US5841745A (en) | 1998-11-24 |
| DE59401268D1 (de) | 1997-01-23 |
| EP0681731A1 (de) | 1995-11-15 |
| EP0681731B1 (de) | 1996-12-11 |
| DE4301827A1 (de) | 1994-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20090119 |