NL1024693A1 - Lichtontvangend apparaat, lichtdetectie apparaat, en een optisch signaal reproducerend apparaat. - Google Patents
Lichtontvangend apparaat, lichtdetectie apparaat, en een optisch signaal reproducerend apparaat.Info
- Publication number
- NL1024693A1 NL1024693A1 NL1024693A NL1024693A NL1024693A1 NL 1024693 A1 NL1024693 A1 NL 1024693A1 NL 1024693 A NL1024693 A NL 1024693A NL 1024693 A NL1024693 A NL 1024693A NL 1024693 A1 NL1024693 A1 NL 1024693A1
- Authority
- NL
- Netherlands
- Prior art keywords
- optical signal
- signal reproducing
- light receiving
- light
- light detection
- 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
- G11B7/12—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
- G11B7/12—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
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
- G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002321019 | 2002-11-05 | ||
JP2002321019A JP2004158073A (ja) | 2002-11-05 | 2002-11-05 | 受光装置、光検出装置、および、光信号再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1024693A1 true NL1024693A1 (nl) | 2004-07-26 |
NL1024693C2 NL1024693C2 (nl) | 2006-06-13 |
Family
ID=32750639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1024693A NL1024693C2 (nl) | 2002-11-05 | 2004-07-26 | Lichtontvangend apparaat, lichtdetectie apparaat, en een optisch signaal reproducerend apparaat. |
Country Status (3)
Country | Link |
---|---|
US (1) | US7177242B2 (nl) |
JP (1) | JP2004158073A (nl) |
NL (1) | NL1024693C2 (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006011151A (ja) * | 2004-06-28 | 2006-01-12 | Fuji Photo Film Co Ltd | インナードラム露光装置 |
JP4694455B2 (ja) * | 2006-10-03 | 2011-06-08 | シャープ株式会社 | 収差検出装置およびそれを有する光ピックアップ装置 |
US8184058B2 (en) * | 2009-10-21 | 2012-05-22 | Lockheed Martin Corporation | Torque arm assembly |
KR101275322B1 (ko) * | 2012-02-01 | 2013-06-17 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업 및 이를 적용한 광정보저장매체 시스템 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3679648D1 (de) | 1985-12-10 | 1991-07-11 | Nec Corp | Optischer kopf mit einem beugungsgitter zum richten von zwei oder mehreren gebeugten lichtstrahlen auf optische detektoren. |
US4873678A (en) * | 1986-12-10 | 1989-10-10 | Hitachi, Ltd. | Optical head and optical information processor using the same |
US4945525A (en) * | 1987-09-04 | 1990-07-31 | Sharp Kabushiki Kaisha | Optical information processing apparatus |
KR940001999B1 (ko) * | 1989-06-06 | 1994-03-12 | 샤프 가부시끼가이샤 | 광 픽업장치 |
US5278401A (en) | 1991-08-13 | 1994-01-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical disc apparatus having five light receiving areas for detecting focus error and tracking error |
KR940020325A (ko) * | 1993-02-08 | 1994-09-15 | 이헌조 | 광픽업장치 |
US6665257B2 (en) | 1996-06-18 | 2003-12-16 | Matsushita Electric Industrial Co., Ltd. | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same |
JPH10214436A (ja) | 1997-01-29 | 1998-08-11 | Ricoh Co Ltd | 光ピックアップ装置 |
JP3574747B2 (ja) | 1998-08-05 | 2004-10-06 | パイオニア株式会社 | 光ピックアップ、情報再生装置及び情報記録装置 |
JP3545233B2 (ja) | 1998-12-08 | 2004-07-21 | シャープ株式会社 | 球面収差検出装置および光ピックアップ装置 |
KR100704731B1 (ko) | 1998-12-29 | 2007-04-06 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학 주사장치 |
JP3827940B2 (ja) | 2000-11-15 | 2006-09-27 | シャープ株式会社 | 収差検出装置および光ピックアップ装置 |
JP3545361B2 (ja) | 2001-05-22 | 2004-07-21 | シャープ株式会社 | 光ピックアップ装置 |
JP3545362B2 (ja) | 2001-05-22 | 2004-07-21 | シャープ株式会社 | 球面収差検出装置及び光ピックアップ装置 |
JP3819756B2 (ja) | 2001-10-23 | 2006-09-13 | 富士通株式会社 | 光情報処理装置 |
-
2002
- 2002-11-05 JP JP2002321019A patent/JP2004158073A/ja active Pending
-
2003
- 2003-11-04 US US10/699,855 patent/US7177242B2/en not_active Expired - Fee Related
-
2004
- 2004-07-26 NL NL1024693A patent/NL1024693C2/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040151087A1 (en) | 2004-08-05 |
US7177242B2 (en) | 2007-02-13 |
NL1024693C2 (nl) | 2006-06-13 |
JP2004158073A (ja) | 2004-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO20052616D0 (no) | Optisk sporre- og sensorsystem. | |
AU2003281107A1 (en) | Light receiving device with controllable sensitivity and spatial information detecting apparatus using the same | |
NL1013766A1 (nl) | Aberratie detector en optische opneem-inrichting. | |
NL1018217A1 (nl) | Objectieflens, optisch opneemapparaat,welke hiermede is uitgerust en een montagewerkwijze hiervan. | |
DE60330114D1 (de) | Plattenvorrichtung | |
NL1015136A1 (nl) | Optische opname/weergaveinrichting. | |
DK1337818T3 (da) | Optisk detekteringsindretning | |
DE60232831D1 (de) | Signalverarbeitungsvorrichtung | |
NO20040838L (no) | Signaloverforing i et projeksjonssystem, og slikt projeksjonssystem. | |
DE60102733D1 (de) | Optisches Plattengerät | |
DE60332642D1 (de) | Optischer datenträger, aufzeichnungseinrichtung mit optischem datenträger, aufzeichnungsverfahren mit optischem datenträger | |
ATE315633T1 (de) | Reflektierende scheibennachweisvorrichtungen | |
DE60126706D1 (de) | Optisches Plattengerät | |
DE60219584D1 (de) | Plattengerät | |
NL1024693A1 (nl) | Lichtontvangend apparaat, lichtdetectie apparaat, en een optisch signaal reproducerend apparaat. | |
NL1029788A1 (nl) | Schijfgebieddetectiemethode en -inrichting. | |
EP1717799A4 (en) | OPTICAL DATA CARRIER, FALSE-COPY DETECTION SYSTEM AND METHOD USING THE OPTICAL DATA CARRIER, OPTICAL DATA CARRIER MANUFACTURING DEVICE AND OPTICAL DATA CARRIER MANUFACTURING METHOD | |
NL1024021A1 (nl) | Optische informatie-opneeminrichting en optisch informatie-opneemmedium. | |
CU23099A3 (es) | Dispositivo de almacenamiento de datos. | |
DE60136999D1 (de) | Optisches Plattengerät | |
DE60312037D1 (de) | Nullsymboldetektorvorrichtung | |
AU2003242014A1 (en) | Optical signal device | |
DE60328480D1 (de) | Optischer verstärker | |
ITMI20022329A1 (it) | Sistema ottico | |
AU2002349629A1 (en) | Light receiving element, circuit-built-in type light receiving device and optical disk unit |
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: 20060410 |
|
PD2B | A search report has been drawn up | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20110601 |