DE60038809D1 - Optischer kopf, optisches informationsaufzeichnungs-/wiedergabegerät sowie optischesinformationsaufzeichnungs-/wiedergabeverfahren - Google Patents
Optischer kopf, optisches informationsaufzeichnungs-/wiedergabegerät sowie optischesinformationsaufzeichnungs-/wiedergabeverfahrenInfo
- Publication number
- DE60038809D1 DE60038809D1 DE60038809T DE60038809T DE60038809D1 DE 60038809 D1 DE60038809 D1 DE 60038809D1 DE 60038809 T DE60038809 T DE 60038809T DE 60038809 T DE60038809 T DE 60038809T DE 60038809 D1 DE60038809 D1 DE 60038809D1
- Authority
- DE
- Germany
- Prior art keywords
- optical information
- optical
- player
- information recording
- replaying method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- G11B7/135—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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
-
- 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
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/133—Shape of individual detector elements
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1367—Stepped phase plates
-
- 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
- G11B7/1374—Objective lenses
-
- 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
- G11B7/139—Numerical aperture control 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
- G11B7/135—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
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28581099 | 1999-10-06 | ||
PCT/JP2000/006926 WO2001026104A1 (fr) | 1999-10-06 | 2000-10-05 | Lentille, tete optique, appareil d'enregistrement/de reproduction d'informations optiques, et procede d'enregistrement/de reproduction d'informations optiques a enregistrer/enregistrees sur un support |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60038809D1 true DE60038809D1 (de) | 2008-06-19 |
Family
ID=17696390
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60038809T Expired - Lifetime DE60038809D1 (de) | 1999-10-06 | 2000-10-05 | Optischer kopf, optisches informationsaufzeichnungs-/wiedergabegerät sowie optischesinformationsaufzeichnungs-/wiedergabeverfahren |
DE60039644T Expired - Lifetime DE60039644D1 (de) | 1999-10-06 | 2000-10-05 | Linse, optischer Kopf, optisches Informationsaufzeichnungs-/Wiedergabegerät sowie optisches Informationsaufzeichnungs-/Wiedergabeverfahren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60039644T Expired - Lifetime DE60039644D1 (de) | 1999-10-06 | 2000-10-05 | Linse, optischer Kopf, optisches Informationsaufzeichnungs-/Wiedergabegerät sowie optisches Informationsaufzeichnungs-/Wiedergabeverfahren |
Country Status (6)
Country | Link |
---|---|
US (2) | US6995909B1 (de) |
EP (2) | EP1223575B1 (de) |
KR (1) | KR100804869B1 (de) |
AU (1) | AU7556600A (de) |
DE (2) | DE60038809D1 (de) |
WO (1) | WO2001026104A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002086577A1 (fr) * | 2001-04-17 | 2002-10-31 | Matsushita Electric Industrial Co., Ltd. | Lentille d'objectif, appareil a tete optique, appareil d'enregistrement/de reproduction d'information optique |
JP2002367213A (ja) * | 2001-06-06 | 2002-12-20 | Konica Corp | 光ピックアップ装置の光学素子 |
US7352678B2 (en) * | 2002-04-26 | 2008-04-01 | Epson Toyocom Corporation | Laminated wave plate and optical pickup using the same |
JP2004253111A (ja) * | 2003-01-31 | 2004-09-09 | Sharp Corp | 光ピックアップ装置 |
JP2004301881A (ja) * | 2003-03-28 | 2004-10-28 | Fuji Photo Optical Co Ltd | 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置 |
US7898144B2 (en) * | 2006-02-04 | 2011-03-01 | Angstrom, Inc. | Multi-step microactuator providing multi-step displacement to a controlled object |
US7474454B2 (en) * | 2004-06-18 | 2009-01-06 | Angstrom, Inc. | Programmable micromirror motion control system |
US7330297B2 (en) * | 2005-03-04 | 2008-02-12 | Angstrom, Inc | Fine control of rotation and translation of discretely controlled micromirror |
US7751694B2 (en) * | 2004-02-13 | 2010-07-06 | Angstrom, Inc. | Three-dimensional endoscope imaging and display system |
US7580178B2 (en) * | 2004-02-13 | 2009-08-25 | Angstrom, Inc. | Image-guided microsurgery system and method |
US7350922B2 (en) * | 2004-02-13 | 2008-04-01 | Angstrom, Inc. | Three-dimensional display using variable focal length micromirror array lens |
US7382516B2 (en) * | 2004-06-18 | 2008-06-03 | Angstrom, Inc. | Discretely controlled micromirror with multi-level positions |
US8537204B2 (en) * | 2004-07-08 | 2013-09-17 | Gyoung Il Cho | 3D television broadcasting system |
US7768571B2 (en) * | 2004-03-22 | 2010-08-03 | Angstrom, Inc. | Optical tracking system using variable focal length lens |
US7410266B2 (en) * | 2004-03-22 | 2008-08-12 | Angstrom, Inc. | Three-dimensional imaging system for robot vision |
US7339746B2 (en) * | 2004-03-22 | 2008-03-04 | Angstrom, Inc. | Small and fast zoom system using micromirror array lens |
US20070040924A1 (en) * | 2005-08-19 | 2007-02-22 | Stereo Display, Inc. | Cellular phone camera with three-dimensional imaging function |
US7742232B2 (en) * | 2004-04-12 | 2010-06-22 | Angstrom, Inc. | Three-dimensional imaging system |
US8049776B2 (en) * | 2004-04-12 | 2011-11-01 | Angstrom, Inc. | Three-dimensional camcorder |
US20070115261A1 (en) * | 2005-11-23 | 2007-05-24 | Stereo Display, Inc. | Virtual Keyboard input system using three-dimensional motion detection by variable focal length lens |
US7619614B2 (en) * | 2004-04-12 | 2009-11-17 | Angstrom, Inc. | Three-dimensional optical mouse system |
US7777959B2 (en) * | 2004-05-27 | 2010-08-17 | Angstrom, Inc. | Micromirror array lens with fixed focal length |
US7315503B2 (en) * | 2004-09-03 | 2008-01-01 | Angstrom, Inc. | Optical pick-up device using micromirror array lens |
US7667896B2 (en) | 2004-05-27 | 2010-02-23 | Angstrom, Inc. | DVD recording and reproducing system |
US7354167B2 (en) | 2004-05-27 | 2008-04-08 | Angstrom, Inc. | Beam focusing and scanning system using micromirror array lens |
US7619807B2 (en) * | 2004-11-08 | 2009-11-17 | Angstrom, Inc. | Micromirror array lens with optical surface profiles |
US7489434B2 (en) | 2007-05-02 | 2009-02-10 | Angstrom, Inc. | Hybrid micromirror array lens for reducing chromatic aberration |
US20060198011A1 (en) * | 2005-03-04 | 2006-09-07 | Stereo Display, Inc. | Volumetric three-dimensional device using two-dimensional scanning device |
US20060203117A1 (en) * | 2005-03-10 | 2006-09-14 | Stereo Display, Inc. | Video monitoring system using variable focal length lens |
US20070041077A1 (en) * | 2005-08-19 | 2007-02-22 | Stereo Display, Inc. | Pocket-sized two-dimensional image projection system |
US9736346B2 (en) | 2006-05-09 | 2017-08-15 | Stereo Display, Inc | Imaging system improving image resolution of the system with low resolution image sensor |
US7365899B2 (en) * | 2006-08-10 | 2008-04-29 | Angstrom, Inc. | Micromirror with multi-axis rotation and translation |
US7589885B2 (en) * | 2006-09-22 | 2009-09-15 | Angstrom, Inc. | Micromirror array device comprising encapsulated reflective metal layer and method of making the same |
US7589884B2 (en) * | 2006-09-22 | 2009-09-15 | Angstrom, Inc. | Micromirror array lens with encapsulation of reflective metal layer and method of making the same |
US7488082B2 (en) | 2006-12-12 | 2009-02-10 | Angstrom, Inc. | Discretely controlled micromirror array device with segmented electrodes |
US7535618B2 (en) * | 2007-03-12 | 2009-05-19 | Angstrom, Inc. | Discretely controlled micromirror device having multiple motions |
US9505606B2 (en) * | 2007-06-13 | 2016-11-29 | Angstrom, Inc. | MEMS actuator with discretely controlled multiple motions |
US7605988B2 (en) * | 2007-07-23 | 2009-10-20 | Angstrom, Inc. | Compact image taking lens system with a lens-surfaced prism |
US7589916B2 (en) * | 2007-08-10 | 2009-09-15 | Angstrom, Inc. | Micromirror array with iris function |
US20090185067A1 (en) * | 2007-12-21 | 2009-07-23 | Stereo Display, Inc. | Compact automatic focusing camera |
US8810908B2 (en) * | 2008-03-18 | 2014-08-19 | Stereo Display, Inc. | Binoculars with micromirror array lenses |
US8622557B2 (en) * | 2008-05-20 | 2014-01-07 | Stereo Display, Inc. | Micromirror array lens with self-tilted micromirrors |
US20090303569A1 (en) * | 2008-05-20 | 2009-12-10 | Stereo Didplay, Inc. | Self-tilted micromirror device |
US10139528B1 (en) * | 2016-01-20 | 2018-11-27 | Kla-Tencor Corporation | Compound objectives for imaging and scatterometry overlay |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2642530A1 (fr) | 1989-01-30 | 1990-08-03 | Seiko Epson Corp | Mecanisme de focalisation et tete optique |
US5815293A (en) * | 1993-02-01 | 1998-09-29 | Matsushita Electric Industrial Co., Ltd. | Compound objective lens having two focal points |
JP2532818B2 (ja) * | 1993-02-01 | 1996-09-11 | 松下電器産業株式会社 | 対物レンズおよび光ヘッド装置 |
US5930214A (en) | 1994-01-19 | 1999-07-27 | Kabushiki Kaisha Toshiba | Recording/reproducing optical head apparatus compatible with different optical media |
JP3435249B2 (ja) | 1994-03-11 | 2003-08-11 | 株式会社東芝 | 光学ヘッド装置およびレンズ |
JPH08212612A (ja) | 1994-11-17 | 1996-08-20 | Canon Inc | 光学的情報記録再生装置及び該装置用光ヘッド |
JPH09145995A (ja) * | 1995-11-27 | 1997-06-06 | Konica Corp | 光情報記録媒体の記録再生用光学系 |
JP4006032B2 (ja) * | 1995-12-28 | 2007-11-14 | 株式会社日立製作所 | 対物レンズおよび光ヘッド |
KR0176569B1 (ko) * | 1996-01-29 | 1999-04-15 | 김광호 | 광디스크 시스템에 있어서 두께가 다른 디스크간의 자동판별방법 및 장치 |
KR100238266B1 (ko) | 1996-02-14 | 2000-02-01 | 윤종용 | 광학장치 |
KR0176595B1 (ko) | 1996-04-30 | 1999-04-15 | 김광호 | 대물렌즈장치 및 이 대물렌즈장치를 채용한 광픽업장치 |
JP3531024B2 (ja) * | 1996-07-10 | 2004-05-24 | コニカミノルタホールディングス株式会社 | 光情報記録媒体の記録及び/又は再生用光学系及び対物レンズ |
KR100346398B1 (ko) | 1998-10-23 | 2002-10-25 | 삼성전자 주식회사 | 계단형회절격자구조를갖는평판렌즈를채용하여cd-rw에호환하는dvd용광기록/픽업헤드 |
DE69720641T2 (de) | 1996-10-23 | 2004-04-08 | Konica Corp. | Verfahren zur Aufzeichnung und Wiedergabe eines optischen Aufzeichnungsträgers, Objektivlinse sowie Herstellungsmethode der Objektivlinse |
JP4038843B2 (ja) | 1996-10-23 | 2008-01-30 | コニカミノルタホールディングス株式会社 | 光情報記録媒体の記録/再生方法、光ピックアップ装置、集光光学系、対物レンズ及び対物レンズの設計方法 |
JPH10188322A (ja) * | 1996-12-26 | 1998-07-21 | Nec Corp | 光ヘッド |
US6091691A (en) * | 1997-02-13 | 2000-07-18 | Samsung Electronics Co., Ltd. | Optical pickup having an objective lens compatible with a plurality of optical disk formats |
JP3644179B2 (ja) * | 1997-02-17 | 2005-04-27 | ソニー株式会社 | 対物レンズ、再生装置及び再生方法 |
JP3484038B2 (ja) * | 1997-03-13 | 2004-01-06 | 株式会社日立製作所 | 対物レンズおよびそれを用いた光ヘッド |
EP1909272A3 (de) * | 1997-03-13 | 2009-03-04 | Hitachi Maxell, Ltd. | Kompatible Objektivlinse |
JP3823425B2 (ja) * | 1997-03-27 | 2006-09-20 | コニカミノルタホールディングス株式会社 | 光ピックアップ装置および光ピックアップ装置の補正素子 |
KR100209918B1 (ko) * | 1997-03-28 | 1999-07-15 | 윤종용 | 홀로그램형링렌즈를 사용하여 cd-r과 호환하는 dvd용 광픽업 |
KR100567291B1 (ko) * | 1997-04-21 | 2006-05-25 | 코니카 미놀타 홀딩스 가부시키가이샤 | 광픽업장치 |
JPH10293937A (ja) | 1997-04-21 | 1998-11-04 | Konica Corp | 光ピックアップ装置 |
JPH10334504A (ja) * | 1997-05-29 | 1998-12-18 | Nec Corp | 光ヘッド装置 |
TW432225B (en) * | 1998-06-03 | 2001-05-01 | Konishiroku Photo Ind | Optical pickup apparatus |
CN1214376C (zh) | 1998-06-26 | 2005-08-10 | 宾得株式会社 | 光学拾像装置的物镜 |
JP3689266B2 (ja) * | 1998-06-26 | 2005-08-31 | ペンタックス株式会社 | 光ヘッド用対物レンズ |
JP4517407B2 (ja) * | 1998-07-14 | 2010-08-04 | コニカミノルタホールディングス株式会社 | 光情報記録媒体の記録再生用光ピックアップ装置 |
-
2000
- 2000-10-05 DE DE60038809T patent/DE60038809D1/de not_active Expired - Lifetime
- 2000-10-05 EP EP00964666A patent/EP1223575B1/de not_active Expired - Lifetime
- 2000-10-05 DE DE60039644T patent/DE60039644D1/de not_active Expired - Lifetime
- 2000-10-05 AU AU75566/00A patent/AU7556600A/en not_active Abandoned
- 2000-10-05 KR KR1020027004327A patent/KR100804869B1/ko active IP Right Grant
- 2000-10-05 US US10/089,998 patent/US6995909B1/en not_active Expired - Lifetime
- 2000-10-05 WO PCT/JP2000/006926 patent/WO2001026104A1/ja active Search and Examination
- 2000-10-05 EP EP04028156A patent/EP1515319B1/de not_active Expired - Lifetime
-
2004
- 2004-04-28 US US10/834,330 patent/US20040208111A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1515319B1 (de) | 2008-07-23 |
AU7556600A (en) | 2001-05-10 |
WO2001026104A1 (fr) | 2001-04-12 |
KR20020037375A (ko) | 2002-05-18 |
DE60039644D1 (de) | 2008-09-04 |
US20040208111A1 (en) | 2004-10-21 |
US6995909B1 (en) | 2006-02-07 |
EP1223575A1 (de) | 2002-07-17 |
KR100804869B1 (ko) | 2008-02-20 |
EP1515319A1 (de) | 2005-03-16 |
EP1223575B1 (de) | 2008-05-07 |
EP1223575A4 (de) | 2004-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60038809D1 (de) | Optischer kopf, optisches informationsaufzeichnungs-/wiedergabegerät sowie optischesinformationsaufzeichnungs-/wiedergabeverfahren | |
DE60029683D1 (de) | Aufzeichnungsgerät, Wiedergabegerät, Aufzeichnungsverfahren, und Wiedergabeverfahren | |
DE60321539D1 (de) | Informationsaufzeichnungsmedium, aufzeichnungs- und -wiedergabegerät, aufzeichnungs- und -wiedergabeverfahren | |
DE60132945D1 (de) | Optischer Kopf und optisches Informationsaufzeichnungs- und -wiedergabegerät | |
DE69823917D1 (de) | Informationsaufzeichnungsmedium, -wiedergabegerät und -verfahren | |
DE60134015D1 (de) | Aufzeichnungsmedium, aufzeichnungsverfahren für aufzeichnungsmedium, ausgangsreglungsverfahren, wiedergabegerät, aufzeichnungs/wiedergabereglungsverfahren, wiedergabegerät, aufzeichnungs/wiedergabereglungsverfahren, aufzeichnungsverfahren, aufzeichnungs/wiedergabeverfahren und aufzeichnungs und/oder wiedergabeverfahren | |
HUP0100222A3 (en) | Copy protection of recorded information, as well as player, recorder and method of recording information | |
DE60129390D1 (de) | Informationsaufzeichnungs- und -wiedergabevorrichtung | |
DE69941109D1 (de) | Informationsaufzeichnungsmedium, Informationsaufzeichnungsverfahren, Informationsaufzeichnungsgerät und Informationswiedergabegerät | |
NO20004819L (no) | Registreringsbærer, avspillingsinnretning og fremgangsmåte for informasjonsregistrering | |
DE60007947D1 (de) | Optischer Kopf und Vorrichtung zur Informationsaufzeichnung/wiedergabe | |
DE60116537D1 (de) | Datenaufzeichnungsverfahren und Datenaufzeichnungsgerät | |
EP1282126A4 (de) | Aufzeichnungsverfahren und g-gerät, wiedregabeverfahren und gerät sowie aufzeichnungsmedium | |
EP1357546A4 (de) | Optische platte, aufzeichnungseinrichtung für optische platte, wiedergabeeinrichtung für optische platte, verfahren zur wiedergabe einer optischen platte und verfahren zur herstellung einer optischen platte | |
DE60041679D1 (de) | Lichtsammelelement, Verfahren zur Aufzeichnung und Wiedergabe der Informationen und optischer Kopf | |
EP1339060A4 (de) | Optische platte, aufzeichnungsvorrichtung, wiedergabevorrichtung, programm, computerlesbares aufzeichnungsmedium und verfahren | |
SG98026A1 (en) | Magnetic head with high reliability of the data protection, magnetic disk apparatus including the magnetic head and the method of recording information on the magnetic disk apparatus without miserasin | |
EP1329878A4 (de) | Aufzeichnungsmedium für optische informationen und verfahren zum wiedergeben der aufzeichnung | |
AU2003289217A1 (en) | Information recording/reading head and information recording/reproducing device | |
DE60103715D1 (de) | Informationsaufzeichnungs- und wiedergabegerät | |
EP1484191A4 (de) | Wiederbeschreibbares optisches datenaufzeichnungsmedium und aufzeichnungs-/reproduzierverfahren, aufzeichnungs-/reproduziervorrichtung | |
DE60128137D1 (de) | Aufzeichnungs/wiedergabegerät, wiedergabegerät, computerlesbares aufzeichnungsmedium, programm und verfahren | |
DE60203656D1 (de) | Informationsaufzeichnungs- und wiedergabegerät | |
DE69615972D1 (de) | Magnetoresistiver Kopf, Herstellungsverfahren dafür und Magnetaufzeichnungs-/-wiedergabelaufwerk | |
DE60105490D1 (de) | Informationsaufzeichnungsmedium, Informationsaufzeichnungsverfahren, Informationsaufzeichnungsgerät, Informationswiedergabeverfahren und Informationswiedergabegerät |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8364 | No opposition during term of opposition |