ATE411595T1 - Optische scanning einrichtung mit neigungsdetektion - Google Patents
Optische scanning einrichtung mit neigungsdetektionInfo
- Publication number
- ATE411595T1 ATE411595T1 AT03808784T AT03808784T ATE411595T1 AT E411595 T1 ATE411595 T1 AT E411595T1 AT 03808784 T AT03808784 T AT 03808784T AT 03808784 T AT03808784 T AT 03808784T AT E411595 T1 ATE411595 T1 AT E411595T1
- Authority
- AT
- Austria
- Prior art keywords
- record carrier
- scanning device
- optical scanning
- tilt detection
- scanning
- 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
- G11B7/08—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
- G11B7/135—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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02079357 | 2002-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE411595T1 true ATE411595T1 (de) | 2008-10-15 |
Family
ID=32103968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03808784T ATE411595T1 (de) | 2002-10-17 | 2003-09-15 | Optische scanning einrichtung mit neigungsdetektion |
Country Status (9)
Country | Link |
---|---|
US (1) | US7359294B2 (de) |
EP (1) | EP1554722B1 (de) |
JP (1) | JP4542903B2 (de) |
KR (1) | KR101068670B1 (de) |
CN (1) | CN1689083B (de) |
AT (1) | ATE411595T1 (de) |
AU (1) | AU2003260850A1 (de) |
DE (1) | DE60324173D1 (de) |
WO (1) | WO2004036557A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007172793A (ja) * | 2005-12-26 | 2007-07-05 | Sony Corp | 光ピックアップ装置および光ディスク装置 |
KR101951242B1 (ko) * | 2017-05-19 | 2019-02-22 | 전자부품연구원 | 라이다 장치 및 이를 포함하는 라이다 시스템 |
US10107975B1 (en) * | 2017-11-13 | 2018-10-23 | Denselight Semiconductors Pte. Ltd. | Optoelectronic assembly for optical coupling |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4219704A (en) | 1974-10-21 | 1980-08-26 | Eli S. Jacobs | Record playback apparatus for optical data records |
EP0351953B1 (de) * | 1988-06-20 | 1995-08-16 | Mitsubishi Denki Kabushiki Kaisha | Optischer Kopf mit Kippkorrekturservomechanismus |
JPH0758559B2 (ja) * | 1988-09-02 | 1995-06-21 | シャープ株式会社 | 光ピックアップ装置 |
JPH04276323A (ja) * | 1991-03-01 | 1992-10-01 | Sony Corp | レンズ装置 |
KR930007024B1 (ko) * | 1991-05-13 | 1993-07-26 | 삼성전자 주식회사 | 광픽업 |
JPH056562A (ja) | 1991-06-28 | 1993-01-14 | Toshiba Corp | チルト検出装置 |
US6487163B1 (en) * | 1994-01-19 | 2002-11-26 | Kabushiki Kaisha Toshiba | Optical disk and optical disk apparatus |
JP3503995B2 (ja) * | 1994-08-03 | 2004-03-08 | 松下電器産業株式会社 | 光ディスク装置 |
JP3691965B2 (ja) * | 1998-06-30 | 2005-09-07 | 株式会社東芝 | 光ヘッド及びこれを用いた光ディスク装置 |
JP3715443B2 (ja) | 1998-08-27 | 2005-11-09 | パイオニア株式会社 | 光ピックアップ装置 |
US6545958B1 (en) * | 1998-08-31 | 2003-04-08 | Ricoh Company, Ltd. | Optical-pickup device and tilt-detecting method thereof |
JP2000099987A (ja) * | 1998-09-24 | 2000-04-07 | Sanyo Electric Co Ltd | 光磁気ヘッド装置 |
WO2001048742A1 (en) * | 1999-12-24 | 2001-07-05 | Koninklijke Philips Electronics N.V. | Optical scanning unit comprising a detection system for detecting the position of a movable element within the unit |
US20050198916A1 (en) * | 2004-03-11 | 2005-09-15 | Janesky Lawrence M. | Wall and sub-floor water drain panel assembly for basement water-control |
-
2003
- 2003-09-15 DE DE60324173T patent/DE60324173D1/de not_active Expired - Lifetime
- 2003-09-15 AT AT03808784T patent/ATE411595T1/de not_active IP Right Cessation
- 2003-09-15 US US10/531,014 patent/US7359294B2/en not_active Expired - Fee Related
- 2003-09-15 WO PCT/IB2003/004023 patent/WO2004036557A2/en active Application Filing
- 2003-09-15 EP EP03808784A patent/EP1554722B1/de not_active Expired - Lifetime
- 2003-09-15 JP JP2004544526A patent/JP4542903B2/ja not_active Expired - Fee Related
- 2003-09-15 KR KR1020057006549A patent/KR101068670B1/ko not_active IP Right Cessation
- 2003-09-15 AU AU2003260850A patent/AU2003260850A1/en not_active Abandoned
- 2003-09-15 CN CN038242443A patent/CN1689083B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU2003260850A8 (en) | 2004-05-04 |
CN1689083B (zh) | 2010-05-26 |
JP4542903B2 (ja) | 2010-09-15 |
AU2003260850A1 (en) | 2004-05-04 |
US20050286389A1 (en) | 2005-12-29 |
WO2004036557A3 (en) | 2004-07-15 |
CN1689083A (zh) | 2005-10-26 |
DE60324173D1 (de) | 2008-11-27 |
US7359294B2 (en) | 2008-04-15 |
JP2006503390A (ja) | 2006-01-26 |
WO2004036557A2 (en) | 2004-04-29 |
EP1554722B1 (de) | 2008-10-15 |
EP1554722A2 (de) | 2005-07-20 |
KR101068670B1 (ko) | 2011-09-28 |
KR20050055765A (ko) | 2005-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |