JPS5415484B2 - - Google Patents
Info
- Publication number
- JPS5415484B2 JPS5415484B2 JP2287875A JP2287875A JPS5415484B2 JP S5415484 B2 JPS5415484 B2 JP S5415484B2 JP 2287875 A JP2287875 A JP 2287875A JP 2287875 A JP2287875 A JP 2287875A JP S5415484 B2 JPS5415484 B2 JP S5415484B2
- Authority
- JP
- Japan
- 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
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
- G11B7/125—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
- G11B7/128—Modulators
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S250/00—Radiant energy
- Y10S250/909—Methods and apparatus ancillary to stimulable phosphor systems
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Semiconductor Lasers (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2287875A JPS5415484B2 (ja) | 1975-02-26 | 1975-02-26 | |
FR7603595A FR2300388A1 (fr) | 1975-02-26 | 1976-02-10 | Appareil de restitution optique d'informations |
NL7601890A NL7601890A (nl) | 1975-02-26 | 1976-02-24 | Inrichting voor het optisch reconstrueren van informatie. |
DE2607705A DE2607705C3 (de) | 1975-02-26 | 1976-02-25 | Vorrichtung zur optischen Wiedergabe von auf einer Platte aufgezeichneten Informationen |
US05/661,806 US4051528A (en) | 1975-02-26 | 1976-02-26 | Apparatus for optically reconstructing information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2287875A JPS5415484B2 (ja) | 1975-02-26 | 1975-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5198046A JPS5198046A (ja) | 1976-08-28 |
JPS5415484B2 true JPS5415484B2 (ja) | 1979-06-15 |
Family
ID=12094939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2287875A Expired JPS5415484B2 (ja) | 1975-02-26 | 1975-02-26 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4051528A (ja) |
JP (1) | JPS5415484B2 (ja) |
DE (1) | DE2607705C3 (ja) |
FR (1) | FR2300388A1 (ja) |
NL (1) | NL7601890A (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4122551A (en) * | 1977-04-08 | 1978-10-24 | Xerox Corporation | Optical data storage and retrieval system |
US4371894A (en) * | 1977-08-19 | 1983-02-01 | Iit Research Institute | Video disc transducer system and method |
US4130898A (en) * | 1977-08-29 | 1978-12-19 | Xerox Corporation | Motion blur compensation for moving media optical data recording system |
JPS54146613A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Ltd | Optical head |
JPS54160212A (en) * | 1978-06-09 | 1979-12-18 | Hitachi Ltd | Optical head for information processing |
US4337534A (en) * | 1979-04-18 | 1982-06-29 | Discovision Associates | Solid state electro-optical track follower array |
JPS55163635A (en) * | 1979-06-04 | 1980-12-19 | Mitsubishi Electric Corp | Optical tracking device |
US4460989A (en) * | 1981-06-22 | 1984-07-17 | Eli Soloman Jacobs | Apparatus for improving focus during playback of an optical data record |
JPS5826330A (ja) * | 1981-08-08 | 1983-02-16 | Foster Denki Kk | 情報再生装置におけるトラツキング方法 |
JPS5877036A (ja) * | 1981-10-30 | 1983-05-10 | Olympus Optical Co Ltd | ピット中心検出方法 |
EP0092420A1 (en) * | 1982-04-19 | 1983-10-26 | Xerox Corporation | Information storage systems |
US4517667A (en) * | 1982-06-10 | 1985-05-14 | Xerox Corporation | Direct read after write optical disk system |
US4520471A (en) * | 1983-02-07 | 1985-05-28 | Rca Corporation | Multi-channel recording/playback optics for laser diode arrays |
JPS60121439A (ja) * | 1983-12-05 | 1985-06-28 | Fuji Photo Film Co Ltd | 放射線画像情報読取装置 |
US4570191A (en) * | 1984-07-20 | 1986-02-11 | International Business Machines Corporation | Optical sensor for servo position control |
JPS6472336A (en) * | 1987-09-14 | 1989-03-17 | Sanyo Electric Co | Optical pickup device |
US5059795A (en) * | 1990-08-23 | 1991-10-22 | Eastman Kodak Company | Multiple beam radiation image reading apparatus |
US5239394A (en) * | 1990-10-05 | 1993-08-24 | Eastman Kodak Company | Apparatus for storing image information on a photographic record member |
DE4300739C2 (de) * | 1992-12-22 | 1999-07-08 | Agfa Gevaert Ag | Verfahren zur Korrektur von Zeilenpositionsfehlern beim Aufzeichnen und Abtasten von Informationen mit einem Laserstrahl |
US6034938A (en) * | 1996-07-30 | 2000-03-07 | Seagate Technology, Inc. | Data storage system having an optical processing flying head |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037404A (ja) * | 1973-08-06 | 1975-04-08 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3795902A (en) * | 1966-09-01 | 1974-03-05 | Battelle Development Corp | Method and apparatus for synchronizing photographic records of digital information |
US3932862A (en) * | 1972-05-05 | 1976-01-13 | Robert Michael Graven | Coloringbook, a solid state display device |
US3856987A (en) * | 1972-10-18 | 1974-12-24 | Columbia Broadcasting Syst Inc | Horizontal stabilizing system for film scanner |
US3854005A (en) * | 1973-04-02 | 1974-12-10 | Columbia Broadcasting Syst Inc | Film stabilizing system for electron beam recorder |
FR2235448B1 (ja) * | 1973-06-29 | 1976-05-07 | Thomson Brandt | |
SE7405076L (sv) * | 1974-04-16 | 1975-10-17 | Erik Gerhard Natanel Westberg | Optiskt massdataminne. |
-
1975
- 1975-02-26 JP JP2287875A patent/JPS5415484B2/ja not_active Expired
-
1976
- 1976-02-10 FR FR7603595A patent/FR2300388A1/fr active Granted
- 1976-02-24 NL NL7601890A patent/NL7601890A/xx not_active Application Discontinuation
- 1976-02-25 DE DE2607705A patent/DE2607705C3/de not_active Expired
- 1976-02-26 US US05/661,806 patent/US4051528A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037404A (ja) * | 1973-08-06 | 1975-04-08 |
Also Published As
Publication number | Publication date |
---|---|
NL7601890A (nl) | 1976-08-30 |
JPS5198046A (ja) | 1976-08-28 |
FR2300388A1 (fr) | 1976-09-03 |
US4051528A (en) | 1977-09-27 |
FR2300388B1 (ja) | 1980-01-11 |
DE2607705A1 (de) | 1976-09-09 |
DE2607705B2 (de) | 1977-09-22 |
DE2607705C3 (de) | 1978-05-24 |