DE68921301D1 - Optische Abtastvorrichtungen. - Google Patents
Optische Abtastvorrichtungen.Info
- Publication number
- DE68921301D1 DE68921301D1 DE68921301T DE68921301T DE68921301D1 DE 68921301 D1 DE68921301 D1 DE 68921301D1 DE 68921301 T DE68921301 T DE 68921301T DE 68921301 T DE68921301 T DE 68921301T DE 68921301 D1 DE68921301 D1 DE 68921301D1
- Authority
- DE
- Germany
- Prior art keywords
- optical scanners
- scanners
- optical
- 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
- G11B7/08—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
- G11B7/12—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63295679A JP2682087B2 (ja) | 1988-11-22 | 1988-11-22 | 光学ピックアップ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921301D1 true DE68921301D1 (de) | 1995-03-30 |
DE68921301T2 DE68921301T2 (de) | 1995-06-29 |
Family
ID=17823784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921301T Expired - Lifetime DE68921301T2 (de) | 1988-11-22 | 1989-11-07 | Optische Abtastvorrichtungen. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5181193A (de) |
EP (1) | EP0370655B1 (de) |
JP (1) | JP2682087B2 (de) |
KR (1) | KR900008459A (de) |
CA (1) | CA2002381C (de) |
DE (1) | DE68921301T2 (de) |
HK (1) | HK1007825A1 (de) |
MY (1) | MY104267A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3066118B2 (ja) * | 1991-07-19 | 2000-07-17 | パイオニア株式会社 | 光検出装置 |
KR950004797B1 (ko) * | 1991-12-31 | 1995-05-10 | 삼성전자주식회사 | 레이져 디스크 플레이어의 광픽업 장치 |
CA2088701C (en) * | 1992-02-05 | 1998-01-27 | Yoshio Yoshida | Optical information reproducing apparatus |
JP3363235B2 (ja) * | 1994-02-17 | 2003-01-08 | コニカ株式会社 | 画像形成装置の光ビームずれ検出装置 |
US5874722A (en) | 1994-07-19 | 1999-02-23 | Spectra-Physics Scanning Systems, Inc. | Compact scanner module mountable to pointing instrument |
US5727111A (en) * | 1995-06-19 | 1998-03-10 | Sony Corporation | Optical pick-up and light detecting cover therefor |
JP2000011422A (ja) * | 1998-04-24 | 2000-01-14 | Sony Corp | 集積化受発光装置 |
JP2000182253A (ja) * | 1998-12-15 | 2000-06-30 | Sony Corp | 情報記録再生装置 |
US20050068864A1 (en) * | 1999-07-08 | 2005-03-31 | Samsung Electronics Co., Ltd. | Method and apparatus for tracking error detection in optical disk driver |
JP2002074719A (ja) * | 2000-08-24 | 2002-03-15 | Fujitsu Ltd | 光学装置 |
KR100754158B1 (ko) * | 2000-12-08 | 2007-09-03 | 삼성전자주식회사 | 구면수차 검출 및/또는 보정 가능한 광픽업장치 |
KR20050024219A (ko) * | 2003-09-04 | 2005-03-10 | 소니 가부시끼 가이샤 | 광픽업 장치, 광디스크 장치 및 광픽업 조정 방법 |
US20090245068A1 (en) * | 2008-03-31 | 2009-10-01 | Panasonic Corporation | Optical pickup device and optical disc drive |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521680A (en) * | 1981-07-20 | 1985-06-04 | Tokyo Shibaura Denki Kabushiki Kaisha | System for focusing a light beam on a light reflecting surface |
JPS61188748A (ja) * | 1985-02-16 | 1986-08-22 | Brother Ind Ltd | 光学ヘツド |
KR950005031B1 (ko) * | 1986-02-24 | 1995-05-17 | 소니 가부시끼가이샤 | 초점 검출 장치 |
JPS6310326A (ja) * | 1986-07-01 | 1988-01-16 | Sanyo Electric Co Ltd | 光ピツクアツプ装置 |
JPH0626972Y2 (ja) * | 1986-10-03 | 1994-07-20 | パイオニア株式会社 | 光学式ピツクアツプ装置 |
JP2797345B2 (ja) * | 1988-10-29 | 1998-09-17 | ソニー株式会社 | 光ピックアップ装置及び光ディスク装置 |
-
1988
- 1988-11-22 JP JP63295679A patent/JP2682087B2/ja not_active Expired - Lifetime
-
1989
- 1989-11-01 US US07/430,132 patent/US5181193A/en not_active Expired - Fee Related
- 1989-11-07 CA CA002002381A patent/CA2002381C/en not_active Expired - Lifetime
- 1989-11-07 DE DE68921301T patent/DE68921301T2/de not_active Expired - Lifetime
- 1989-11-07 EP EP89311500A patent/EP0370655B1/de not_active Expired - Lifetime
- 1989-11-10 MY MYPI89001571A patent/MY104267A/en unknown
- 1989-11-21 KR KR1019890016876A patent/KR900008459A/ko not_active Application Discontinuation
-
1998
- 1998-06-26 HK HK98107006A patent/HK1007825A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MY104267A (en) | 1994-02-28 |
JP2682087B2 (ja) | 1997-11-26 |
US5181193A (en) | 1993-01-19 |
EP0370655A3 (de) | 1991-05-08 |
EP0370655A2 (de) | 1990-05-30 |
DE68921301T2 (de) | 1995-06-29 |
CA2002381A1 (en) | 1990-05-22 |
EP0370655B1 (de) | 1995-02-22 |
HK1007825A1 (en) | 1999-04-23 |
CA2002381C (en) | 1999-10-05 |
JPH02141936A (ja) | 1990-05-31 |
KR900008459A (ko) | 1990-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |