DE3584682D1 - Optisches system zum positionsfeststellen einer objektivlinse. - Google Patents
Optisches system zum positionsfeststellen einer objektivlinse.Info
- Publication number
- DE3584682D1 DE3584682D1 DE8585102255T DE3584682T DE3584682D1 DE 3584682 D1 DE3584682 D1 DE 3584682D1 DE 8585102255 T DE8585102255 T DE 8585102255T DE 3584682 T DE3584682 T DE 3584682T DE 3584682 D1 DE3584682 D1 DE 3584682D1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- detecting
- optical system
- lens lens
- 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
- G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3754884A JPS60182520A (ja) | 1984-02-29 | 1984-02-29 | 集光手段位置検出装置 |
JP439785A JPS61162830A (ja) | 1985-01-14 | 1985-01-14 | 光学ヘツド |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3584682D1 true DE3584682D1 (de) | 1992-01-02 |
Family
ID=26338147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585102255T Expired - Lifetime DE3584682D1 (de) | 1984-02-29 | 1985-02-28 | Optisches system zum positionsfeststellen einer objektivlinse. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4684797A (de) |
EP (1) | EP0154302B1 (de) |
DE (1) | DE3584682D1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536700C3 (de) * | 1985-10-15 | 1994-07-07 | Focus Mestechnik Gmbh & Co Kg | Gerät zum Ermitteln des lokalen Abstandes einer Prüffläche von einer Referenzfläche, deren geometrische Lage in bezug auf das Gerät bekannt ist |
DE3677764D1 (de) * | 1985-12-24 | 1991-04-04 | Toshiba Kawasaki Kk | Steuersystem fuer ein geraet zur wiedergabe optischer informationen. |
US4873678A (en) * | 1986-12-10 | 1989-10-10 | Hitachi, Ltd. | Optical head and optical information processor using the same |
US5003524A (en) * | 1987-12-26 | 1991-03-26 | Kabushiki Kaisha Toshiba | Optical disk drive with an accurately positioned objective lens |
JP2692901B2 (ja) * | 1988-10-31 | 1997-12-17 | 株式会社東芝 | 情報処理装置 |
JP2804118B2 (ja) * | 1989-10-03 | 1998-09-24 | 株式会社東芝 | トラッキング制御装置 |
JP2613118B2 (ja) * | 1990-04-10 | 1997-05-21 | 富士写真フイルム株式会社 | 共焦点走査型顕微鏡 |
JPH04155304A (ja) * | 1990-10-18 | 1992-05-28 | Ricoh Co Ltd | 集光位置検出装置 |
JPH0812046B2 (ja) * | 1993-05-24 | 1996-02-07 | 三鷹光器株式会社 | 二段検出式非接触位置決め装置 |
US5459325A (en) * | 1994-07-19 | 1995-10-17 | Molecular Dynamics, Inc. | High-speed fluorescence scanner |
DE69621678T2 (de) * | 1995-03-14 | 2002-11-28 | Toshiba Kawasaki Kk | Lichtdetektor |
US6201639B1 (en) | 1998-03-20 | 2001-03-13 | James W. Overbeck | Wide field of view and high speed scanning microscopy |
US6185030B1 (en) | 1998-03-20 | 2001-02-06 | James W. Overbeck | Wide field of view and high speed scanning microscopy |
EP1151284A1 (de) | 1998-11-25 | 2001-11-07 | Phormax Corporation | Fluoreszenz schirmdoppelkysfabtastvorrichtung |
US20050012057A1 (en) * | 2003-05-08 | 2005-01-20 | Alara, Inc. | Method and apparatus for radiation image erasure |
US7733586B2 (en) * | 2008-05-16 | 2010-06-08 | Ffei Limited | Lens positioning assembly |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR205243A1 (es) * | 1972-05-11 | 1976-04-21 | Philips Nv | Aparato para la lectura de un portador de grabacion reflector plano |
US4005260A (en) * | 1972-11-11 | 1977-01-25 | U.S. Philips Corporation | Device for reading a disk-shaped record carrier with time base correction |
NL7414776A (nl) * | 1974-11-13 | 1976-05-17 | Philips Nv | Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur. |
FR2325953A1 (fr) * | 1975-09-29 | 1977-04-22 | Thomson Brandt | Senseur optique de focalisation et dispositif de focalisation comportant un tel senseur |
NL7812111A (nl) * | 1978-12-13 | 1980-06-17 | Philips Nv | Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte. |
US4484319A (en) * | 1980-09-19 | 1984-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for locating a track on disc-like optical information carriers |
US4454415A (en) * | 1981-06-30 | 1984-06-12 | Storage Technology Corporation | Tracking mirror assembly and control system for an optical data storage disc |
DE3280137D1 (de) * | 1981-09-17 | 1990-04-19 | Toshiba Kawasaki Kk | Ein optischer kopf. |
JPS58200441A (ja) * | 1982-05-19 | 1983-11-22 | Sony Corp | 光学的再生装置 |
EP0098076A1 (de) * | 1982-06-14 | 1984-01-11 | Nec Corporation | Strahlzugriffsgerät für eine Vorrichtung mit optischen Scheiben |
JPS6025033A (ja) * | 1983-07-21 | 1985-02-07 | Nec Corp | 光学ヘツド |
-
1985
- 1985-02-25 US US06/705,306 patent/US4684797A/en not_active Expired - Fee Related
- 1985-02-28 EP EP85102255A patent/EP0154302B1/de not_active Expired
- 1985-02-28 DE DE8585102255T patent/DE3584682D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0154302A3 (en) | 1988-01-07 |
EP0154302A2 (de) | 1985-09-11 |
EP0154302B1 (de) | 1991-11-21 |
US4684797A (en) | 1987-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: KABUSHIKI KAISHA TOSHIBA TOSHIBA INTELLIGENT TECHN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |