DE69321034D1 - Optisches Informationsverarbeitungsgerät - Google Patents
Optisches InformationsverarbeitungsgerätInfo
- Publication number
- DE69321034D1 DE69321034D1 DE69321034T DE69321034T DE69321034D1 DE 69321034 D1 DE69321034 D1 DE 69321034D1 DE 69321034 T DE69321034 T DE 69321034T DE 69321034 T DE69321034 T DE 69321034T DE 69321034 D1 DE69321034 D1 DE 69321034D1
- Authority
- DE
- Germany
- Prior art keywords
- information processing
- processing device
- optical information
- optical
- processing
- 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 - Fee Related
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
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
- G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
-
- 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
- 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
- G11B11/10—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 magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—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 magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4141311A JPH05334712A (ja) | 1992-06-02 | 1992-06-02 | 光情報処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69321034D1 true DE69321034D1 (de) | 1998-10-22 |
DE69321034T2 DE69321034T2 (de) | 1999-02-18 |
Family
ID=15288948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69321034T Expired - Fee Related DE69321034T2 (de) | 1992-06-02 | 1993-06-01 | Optisches Informationsverarbeitungsgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US5404009A (de) |
EP (1) | EP0572982B1 (de) |
JP (1) | JPH05334712A (de) |
KR (1) | KR970001372B1 (de) |
DE (1) | DE69321034T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5532999A (en) * | 1993-06-25 | 1996-07-02 | Matsushita Electric Industrial Co., Ltd. | Optical detector having stray carrier absorption regions between light receiving elements, and an optical head using the same |
JP3379814B2 (ja) * | 1993-11-19 | 2003-02-24 | オリンパス光学工業株式会社 | 光ヘッド |
US5485318A (en) * | 1994-10-03 | 1996-01-16 | Motorola, Inc. | Dual image manifestation apparatus with integrated electro-optical package |
US5539554A (en) * | 1994-12-21 | 1996-07-23 | Motorola | Integrated electro-optic package for reflective spatial light |
US6556533B1 (en) * | 1996-10-01 | 2003-04-29 | Matsushita Electric Industrial Co., Ltd. | Optical pickup device |
US6781941B1 (en) * | 1999-04-12 | 2004-08-24 | Seagate Technology Llc | Field serviceable laser pen for optical disk drives |
JP4016089B2 (ja) * | 2002-08-07 | 2007-12-05 | ナルックス株式会社 | 光ピックアップ装置用対物レンズおよびその設計方法 |
CN102890060B (zh) * | 2012-08-26 | 2016-04-27 | 贵州大学 | 利用反射泰铂效应成像的方法及其应用及装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5153860A (en) * | 1987-04-20 | 1992-10-06 | Fuji Photo Film Co., Ltd. | Optical pickup apparatus for detecting and correcting focusing and tracking errors in detected recorded signals |
JPH02503713A (ja) * | 1987-06-04 | 1990-11-01 | ルコツ バルター | 光学的な変調及び測定方法 |
US4991919A (en) * | 1987-12-29 | 1991-02-12 | Matsushita Electric Industrial Co., Ltd. | Optical head apparatus including concentric, periodic grating in a waveguide |
JP2644829B2 (ja) * | 1988-06-24 | 1997-08-25 | 株式会社リコー | 光情報記録再生装置 |
US5091982A (en) * | 1989-07-11 | 1992-02-25 | Ricoh Company, Ltd. | Waveguide type optical detection apparatus |
DE69128808T2 (de) * | 1990-04-12 | 1998-07-23 | Matsushita Electric Ind Co Ltd | Optischer Kopf mit hologrammverbundener Objektivlinse |
-
1992
- 1992-06-02 JP JP4141311A patent/JPH05334712A/ja active Pending
-
1993
- 1993-05-27 KR KR1019930009241A patent/KR970001372B1/ko not_active IP Right Cessation
- 1993-06-01 DE DE69321034T patent/DE69321034T2/de not_active Expired - Fee Related
- 1993-06-01 EP EP93108806A patent/EP0572982B1/de not_active Expired - Lifetime
- 1993-06-01 US US08/069,511 patent/US5404009A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0572982A1 (de) | 1993-12-08 |
JPH05334712A (ja) | 1993-12-17 |
KR970001372B1 (ko) | 1997-02-05 |
DE69321034T2 (de) | 1999-02-18 |
EP0572982B1 (de) | 1998-09-16 |
KR940006094A (ko) | 1994-03-23 |
US5404009A (en) | 1995-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |