SE7405076L - Optiskt massdataminne. - Google Patents
Optiskt massdataminne.Info
- Publication number
- SE7405076L SE7405076L SE7405076A SE7405076A SE7405076L SE 7405076 L SE7405076 L SE 7405076L SE 7405076 A SE7405076 A SE 7405076A SE 7405076 A SE7405076 A SE 7405076A SE 7405076 L SE7405076 L SE 7405076L
- Authority
- SE
- Sweden
- Prior art keywords
- disk
- optical
- acousto
- radial direction
- writing
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding 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
- 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
- G11B7/0901—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 for track following only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7405076A SE7405076L (sv) | 1974-04-16 | 1974-04-16 | Optiskt massdataminne. |
GB13526/75A GB1507316A (en) | 1974-04-16 | 1975-04-02 | Optical mass data memory |
US05/564,637 US3962688A (en) | 1974-04-16 | 1975-04-02 | Optical mass data memory |
JP50046309A JPS50141936A (sv) | 1974-04-16 | 1975-04-15 | |
DE19752516523 DE2516523A1 (de) | 1974-04-16 | 1975-04-15 | Optischer speicher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7405076A SE7405076L (sv) | 1974-04-16 | 1974-04-16 | Optiskt massdataminne. |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7405076L true SE7405076L (sv) | 1975-10-17 |
Family
ID=20320846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7405076A SE7405076L (sv) | 1974-04-16 | 1974-04-16 | Optiskt massdataminne. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3962688A (sv) |
JP (1) | JPS50141936A (sv) |
DE (1) | DE2516523A1 (sv) |
GB (1) | GB1507316A (sv) |
SE (1) | SE7405076L (sv) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5415484B2 (sv) * | 1975-02-26 | 1979-06-15 | ||
DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
US4094013A (en) * | 1975-05-22 | 1978-06-06 | U.S. Philips Corporation | Optical storage disk system with disk track guide sectors |
FR2337472A1 (fr) * | 1975-12-29 | 1977-07-29 | Telediffusion Fse | Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque |
FR2396379A1 (fr) * | 1977-07-01 | 1979-01-26 | Thomson Brandt | Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations |
US4205338A (en) * | 1977-11-03 | 1980-05-27 | Laser File Inc. | Disc recording tracking system |
NL7810386A (nl) * | 1978-10-17 | 1980-04-21 | Philips Nv | Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager. |
US4229808A (en) * | 1978-12-21 | 1980-10-21 | Ncr Corporation | Method for recording multiple data segments on a storage disc with eccentricity factor |
HU180860B (en) * | 1979-12-18 | 1983-04-29 | Mta Szamitastech Autom Kutato | Method and apparatus for recording signals by means of laser ray with optoelectronic image turning |
JPS5774846A (en) * | 1980-10-28 | 1982-05-11 | Toshiba Corp | Information storing medium |
JPS57208639A (en) * | 1981-06-18 | 1982-12-21 | Toshiba Corp | Recording method of disk |
JPS5814330A (ja) * | 1981-07-17 | 1983-01-27 | Matsushita Electric Ind Co Ltd | 光学装置 |
WO1983004463A1 (en) * | 1982-06-09 | 1983-12-22 | Time Management Software, Inc. | Laser video disc storage and retrieval system |
JPS58155549A (ja) * | 1983-01-05 | 1983-09-16 | Hitachi Ltd | 情報記録用円板 |
US4514055A (en) * | 1983-01-20 | 1985-04-30 | Bell & Howell Company | Information transferring systems operating on a recording medium |
JPS59140666A (ja) * | 1983-01-31 | 1984-08-13 | Victor Co Of Japan Ltd | 回転記録媒体再生装置 |
DE3324861C2 (de) * | 1983-07-09 | 1986-02-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen |
US4670869A (en) * | 1984-01-03 | 1987-06-02 | Magnetic Peripherals Inc. | Switching laser beam apparatus with recombined beam for recording |
GB2167202A (en) * | 1984-11-16 | 1986-05-21 | Stc Plc | Data storage systems |
US4768180A (en) * | 1986-03-17 | 1988-08-30 | Laser Magnetic Storage International Company | Multistage tracking system |
US4760565A (en) * | 1986-09-15 | 1988-07-26 | International Business Machines Corporation | High speed track access for optical disks using acousto-optic deflector |
US4980882A (en) * | 1987-04-06 | 1990-12-25 | Storage Technology Corporation Partners Ii | Optical disk for detesting and distinguishing servo tracks from data tracks |
JPH01273228A (ja) * | 1988-04-25 | 1989-11-01 | Sharp Corp | 光ピックアップ装置 |
JPH0770066B2 (ja) * | 1988-10-27 | 1995-07-31 | パイオニア株式会社 | 光軸モニタ装置 |
US5837962A (en) * | 1996-07-15 | 1998-11-17 | Overbeck; James W. | Faster laser marker employing acousto-optic deflection |
DE19654845C2 (de) * | 1996-12-27 | 2000-04-06 | Chromatron Laser Sys Gmbh | Vorrichtung zur Ablenkung von Lichtstrahlen |
EP1461602A4 (en) * | 2001-11-28 | 2011-09-14 | James W Overbeck | GRID MICROSCOPY, FLUORESCENT RECOGNITION AND LASER BEAM POSITIONING |
JP2009116087A (ja) * | 2007-11-07 | 2009-05-28 | Sony Corp | 光学ユニット、駆動制御方法、ホログラム装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696344A (en) * | 1970-02-19 | 1972-10-03 | Energy Conversion Devices Inc | Optical mass memory employing amorphous thin films |
US3744039A (en) * | 1971-09-09 | 1973-07-03 | Zenith Radio Corp | Single-laser simultaneous multiple-channel character generation system |
DE2304182A1 (de) * | 1972-02-01 | 1973-08-09 | Erik Gerhard Natana Westerberg | Vorrichtung zum lichtelektrischen abtasten von datenaufzeichnungstraegern |
US3720924A (en) * | 1972-03-09 | 1973-03-13 | Honeywell Inc | Optical mass memory |
US3774172A (en) * | 1972-03-23 | 1973-11-20 | D Silverman | Random access multiple disc optical information storage system |
-
1974
- 1974-04-16 SE SE7405076A patent/SE7405076L/sv not_active Application Discontinuation
-
1975
- 1975-04-02 GB GB13526/75A patent/GB1507316A/en not_active Expired
- 1975-04-02 US US05/564,637 patent/US3962688A/en not_active Expired - Lifetime
- 1975-04-15 JP JP50046309A patent/JPS50141936A/ja active Pending
- 1975-04-15 DE DE19752516523 patent/DE2516523A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS50141936A (sv) | 1975-11-15 |
DE2516523A1 (de) | 1975-10-30 |
GB1507316A (en) | 1978-04-12 |
US3962688A (en) | 1976-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 7405076-6 |