NL1010322A1 - Optische uitleesinrichting. - Google Patents
Optische uitleesinrichting.Info
- Publication number
- NL1010322A1 NL1010322A1 NL1010322A NL1010322A NL1010322A1 NL 1010322 A1 NL1010322 A1 NL 1010322A1 NL 1010322 A NL1010322 A NL 1010322A NL 1010322 A NL1010322 A NL 1010322A NL 1010322 A1 NL1010322 A1 NL 1010322A1
- Authority
- NL
- Netherlands
- Prior art keywords
- reading device
- optical reading
- optical
- reading
- Prior art date
Links
Classifications
-
- 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
- G11B11/16—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 mechanical cutting, deforming or pressing
- G11B11/18—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 mechanical cutting, deforming or pressing with reproducing by optical means
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- 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
- G11B7/0908—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 focusing only
- G11B7/0912—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 focusing only by push-pull method
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970053685A KR100375514B1 (ko) | 1997-10-20 | 1997-10-20 | 광픽업장치 |
| KR19970053685 | 1997-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL1010322A1 true NL1010322A1 (nl) | 1999-04-21 |
| NL1010322C2 NL1010322C2 (nl) | 2001-12-05 |
Family
ID=19523039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL1010322A NL1010322C2 (nl) | 1997-10-20 | 1998-10-15 | Optische uitleesinrichting. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6137752A (nl) |
| JP (1) | JPH11219529A (nl) |
| KR (1) | KR100375514B1 (nl) |
| CN (1) | CN1126085C (nl) |
| NL (1) | NL1010322C2 (nl) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3422255B2 (ja) * | 1998-06-10 | 2003-06-30 | 富士通株式会社 | トラッキング装置、及び光ディスク装置 |
| US6909687B2 (en) * | 2000-03-29 | 2005-06-21 | Sanyo Electric Co., Ltd. | Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state |
| JP2002163831A (ja) | 2000-11-27 | 2002-06-07 | Sharp Corp | 半導体レーザ装置および光ピックアップ装置 |
| AU2003214652A1 (en) | 2002-03-20 | 2003-09-29 | Matsushita Electric Industrial Co., Ltd. | Control method for focus and tracking in pickup apparatus |
| JP4177296B2 (ja) * | 2004-06-22 | 2008-11-05 | シャープ株式会社 | 光ピックアップおよび光ディスク装置 |
| DE102004050068A1 (de) * | 2004-10-13 | 2006-04-27 | Deutsche Thomson-Brandt Gmbh | Holographisches System, insbesondere zur holographischen Datenspeicherung |
| US7830773B2 (en) * | 2004-11-16 | 2010-11-09 | Panasonic Corporation | Optical pickup for recording and reproducing information with a plurality of types of optical information recording mediums |
| US7622696B2 (en) | 2005-03-02 | 2009-11-24 | Nec Corporation | Optical head device, optical information recording/reproducing apparatus and operation method of optical information recording/reproducing apparatus |
| JP4859529B2 (ja) * | 2005-10-17 | 2012-01-25 | 三洋電機株式会社 | 光ピックアップ装置および光ディスク装置 |
| US7948854B2 (en) | 2005-10-28 | 2011-05-24 | Nec Corporation | Optical head apparatus and optical information recording/reproducing apparatus |
| JP5051374B2 (ja) | 2005-11-08 | 2012-10-17 | 日本電気株式会社 | 光学式情報記録／再生装置と、光学式情報記録／再生方法 |
| JP4561706B2 (ja) * | 2005-11-16 | 2010-10-13 | 日本ビクター株式会社 | 光ピックアップ装置 |
| KR100771234B1 (ko) * | 2006-08-09 | 2007-10-29 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업 장치 및 상기 광픽업 장치를 채용한 광기록/재생시스템 |
| JP4489131B2 (ja) * | 2008-07-31 | 2010-06-23 | 株式会社東芝 | 収差補正素子、光ヘッド及び光ディスク装置 |
| JP5386553B2 (ja) * | 2011-07-15 | 2014-01-15 | シャープ株式会社 | 光ピックアップ装置 |
| EP3470872B1 (en) * | 2017-10-11 | 2021-09-08 | Melexis Technologies NV | Sensor device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6313134A (ja) * | 1986-07-02 | 1988-01-20 | Nec Corp | 光ヘツド装置 |
| US4731772A (en) * | 1986-05-06 | 1988-03-15 | Lee Wai Hon | Optical head using hologram lens for both beam splitting and focus error detection functions |
| US4929823A (en) * | 1987-10-05 | 1990-05-29 | Matsushita Electric Industrial Co., Ltd. | Optical pickup head with holographic servo signal detection using a spot size detection system |
| JPH0287336A (ja) * | 1988-03-25 | 1990-03-28 | Tosoh Corp | 光ヘッドの誤差検出装置 |
| US4983017A (en) * | 1988-08-02 | 1991-01-08 | Sharp Kabushiki Kaisha | Optical head device for reading information stored in a recording medium |
| JPH06101138A (ja) * | 1991-09-17 | 1994-04-12 | Katsuzawa Denshi Gijutsu Kk | 織布の巻取り制御方法及び装置 |
| JP3260426B2 (ja) * | 1992-07-27 | 2002-02-25 | 松下電器産業株式会社 | 光学式ピックアップ装置 |
| KR950015269A (ko) * | 1993-11-30 | 1995-06-16 | 김광호 | 광 픽업 장치 |
| KR970010940B1 (ko) * | 1994-04-08 | 1997-07-02 | 엘지전자 주식회사 | 광픽업장치 |
| KR970004210B1 (ko) * | 1994-06-10 | 1997-03-26 | 엘지전자 주식회사 | 광픽업 장치 |
| KR0176500B1 (ko) * | 1994-12-28 | 1999-04-15 | 김광호 | 홀로그램소자를 채용한 광픽업 |
| JP3372413B2 (ja) * | 1995-12-04 | 2003-02-04 | シャープ株式会社 | 光ピックアップ装置及び光記録再生装置 |
| EP0812457B1 (en) * | 1995-12-27 | 2002-06-26 | Koninklijke Philips Electronics N.V. | Device for scanning an optically readable record carrier |
-
1997
- 1997-10-20 KR KR1019970053685A patent/KR100375514B1/ko not_active IP Right Cessation
-
1998
- 1998-10-13 US US09/170,665 patent/US6137752A/en not_active Expired - Lifetime
- 1998-10-14 JP JP10291941A patent/JPH11219529A/ja active Pending
- 1998-10-15 CN CN98120173A patent/CN1126085C/zh not_active Expired - Fee Related
- 1998-10-15 NL NL1010322A patent/NL1010322C2/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1126085C (zh) | 2003-10-29 |
| JPH11219529A (ja) | 1999-08-10 |
| KR100375514B1 (ko) | 2003-11-28 |
| NL1010322C2 (nl) | 2001-12-05 |
| CN1215206A (zh) | 1999-04-28 |
| KR19990032605A (ko) | 1999-05-15 |
| US6137752A (en) | 2000-10-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AD1A | A request for search or an international type search has been filed | ||
| RD2N | Patents in respect of which a decision has been taken or a report has been made (novelty report) |
Effective date: 20010927 |
|
| PD2B | A search report has been drawn up | ||
| VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20040501 |