ATE84631T1 - Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer. - Google Patents
Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer.Info
- Publication number
- ATE84631T1 ATE84631T1 AT86305826T AT86305826T ATE84631T1 AT E84631 T1 ATE84631 T1 AT E84631T1 AT 86305826 T AT86305826 T AT 86305826T AT 86305826 T AT86305826 T AT 86305826T AT E84631 T1 ATE84631 T1 AT E84631T1
- Authority
- AT
- Austria
- Prior art keywords
- tracks
- signal
- spot
- radiation beam
- record carrier
- Prior art date
Links
- 230000005855 radiation Effects 0.000 abstract 3
- 238000013500 data storage Methods 0.000 abstract 1
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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/0901—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
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76045085A | 1985-07-30 | 1985-07-30 | |
| EP86305826A EP0215556B1 (de) | 1985-07-30 | 1986-07-29 | Generatorkreis für Spursignal und Aufzeichnungsträger dafür |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE84631T1 true ATE84631T1 (de) | 1993-01-15 |
Family
ID=25059150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT86305826T ATE84631T1 (de) | 1985-07-30 | 1986-07-29 | Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4914645A (de) |
| EP (1) | EP0215556B1 (de) |
| JP (1) | JP2888484B2 (de) |
| AT (1) | ATE84631T1 (de) |
| CA (1) | CA1257391A (de) |
| DE (1) | DE3687495T2 (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779253A (en) * | 1985-07-30 | 1988-10-18 | Laser Magnetic Storage International Company | Sampled servo for an optical disk drive |
| US4864552A (en) * | 1986-08-29 | 1989-09-05 | Laser Magnetic Storage International Company | Driving signal for coarse servo employing sampled offset signal |
| JPS63142533A (ja) * | 1986-12-03 | 1988-06-14 | Fujitsu Ltd | 光学的記録再生装置 |
| KR910008503B1 (ko) * | 1987-03-13 | 1991-10-18 | 미쯔비시덴끼 가부시끼가이샤 | 광 디스크 |
| JP2653073B2 (ja) * | 1987-08-21 | 1997-09-10 | ソニー株式会社 | ディスク状記録媒体 |
| JP2645025B2 (ja) * | 1987-09-04 | 1997-08-25 | 株式会社日立製作所 | 光記録再生方法 |
| JPH0721879B2 (ja) * | 1987-11-07 | 1995-03-08 | 株式会社日立製作所 | 光ディスク用レプリカ基盤，スタンパまたは原盤 |
| JPH0770094B2 (ja) * | 1987-12-04 | 1995-07-31 | シャープ株式会社 | ディスク状光記録媒体の製造方法および製造用フォトマスク |
| JPH0648542B2 (ja) * | 1988-06-17 | 1994-06-22 | パイオニア株式会社 | トラッキングサーボ装置 |
| JPH02130727A (ja) * | 1988-11-10 | 1990-05-18 | Sony Corp | ディスク状記録媒体 |
| JP2785290B2 (ja) * | 1988-12-19 | 1998-08-13 | ソニー株式会社 | 光ディスクのシーク及びトラッキング装置 |
| JPH02308424A (ja) * | 1989-05-24 | 1990-12-21 | Sony Corp | ピットパターンの検出方法 |
| JP2870127B2 (ja) * | 1990-05-31 | 1999-03-10 | ソニー株式会社 | トラッキング制御方法 |
| US5563868A (en) * | 1990-06-18 | 1996-10-08 | Matsushita-Kotobuki Electronics Industries, Ltd. | Optical servo system for magnetic disk |
| JP2656405B2 (ja) * | 1991-09-17 | 1997-09-24 | 旭化成工業株式会社 | ニットデザインシステムおよびその編成データの作成方法 |
| US5452285A (en) * | 1993-09-30 | 1995-09-19 | Polaroid Corporation | Uniformly distributed servo data for optical information storage medium |
| US5878007A (en) * | 1993-12-27 | 1999-03-02 | Matsushita Electric Industrial Co., Ltd. | Anti-wobble optical medium and tracking method and apparatus |
| JPH09237421A (ja) * | 1996-03-01 | 1997-09-09 | Sony Corp | 記録再生装置および方法 |
| TW556173B (en) * | 2000-12-26 | 2003-10-01 | Samsung Electronics Co Ltd | Optical recording medium with wobbled header area, and data recording method and apparatus therefor |
| TW200403635A (en) * | 2002-07-24 | 2004-03-01 | Matsushita Electric Ind Co Ltd | Optical disc drive and method of controlling write operation performed by optical disc drive |
| US20080219130A1 (en) * | 2003-08-14 | 2008-09-11 | Mempile Inc. C/O Phs Corporate Services, Inc. | Methods and Apparatus for Formatting and Tracking Information for Three-Dimensional Storage Medium |
Family Cites Families (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037252A (en) * | 1973-11-10 | 1977-07-19 | U.S. Philips Corporation | Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking |
| JPS5922289B2 (ja) * | 1975-11-20 | 1984-05-25 | ソニー株式会社 | ジヨウホウケンシユツソウチ |
| NL176315C (nl) * | 1976-05-12 | 1985-03-18 | Philips Nv | Optische aftastinrichting. |
| NL8103117A (nl) * | 1981-06-29 | 1983-01-17 | Philips Nv | Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. |
| NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
| US4370679A (en) * | 1978-03-27 | 1983-01-25 | Discovision Associates | Gain correction system for videodisc player apparatus |
| US4358796A (en) * | 1978-03-27 | 1982-11-09 | Discovision Associates | Spindle servo system for videodisc player |
| JPS54128303A (en) * | 1978-03-29 | 1979-10-04 | Victor Co Of Japan Ltd | Optical reproducing device of information recording medium disc |
| JPS5528516A (en) * | 1978-08-18 | 1980-02-29 | Hitachi Ltd | Optical recording device |
| NL7810462A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur |
| NL7811003A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie. |
| US4232337A (en) * | 1978-12-13 | 1980-11-04 | Mca Discovision, Inc. | Method and apparatus for tracking an optically readable information track |
| US4236105A (en) * | 1979-01-12 | 1980-11-25 | Mca Discovision, Inc. | Digital center tracking system |
| US4234837A (en) * | 1979-01-12 | 1980-11-18 | Mca Discovision, Inc. | Digital center tracking system |
| US4243850A (en) * | 1979-02-07 | 1981-01-06 | Eastman Kodak Company | Apparatus for tracking a record track on a video disc |
| US4271334A (en) * | 1979-04-06 | 1981-06-02 | Discovision Associates | Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc |
| JPS55157134A (en) * | 1979-05-21 | 1980-12-06 | Hitachi Ltd | Information groove tracing unit |
| US4364118A (en) * | 1979-06-25 | 1982-12-14 | Hitachi, Ltd. | Optical disk and optical information processor |
| JPS626580Y2 (de) * | 1979-11-17 | 1987-02-16 | ||
| NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
| NL8000123A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager. |
| NL8000122A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager. |
| JPS5750330A (en) * | 1980-09-11 | 1982-03-24 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
| JPS5753830A (en) * | 1980-09-12 | 1982-03-31 | Sony Corp | Tracking servo device for optical information signal reproducer |
| NL8006165A (nl) * | 1980-11-12 | 1982-06-01 | Philips Nv | Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem. |
| US4406000A (en) * | 1981-03-31 | 1983-09-20 | Discovision Associates | Tracking system for optical record medium |
| JPS5857635A (ja) * | 1981-10-02 | 1983-04-05 | Matsushita Electric Ind Co Ltd | 光学的情報記録再生装置 |
| US4523304A (en) * | 1981-04-17 | 1985-06-11 | Matsushita Electric Industrial Co., Ltd. | Optical data recording and reproducing apparatus |
| US4472750A (en) * | 1981-07-02 | 1984-09-18 | Irwin Magnetic Systems, Inc. | Data record with pre-recorded transducer positioning signals, and system for utilizing same |
| US4402061A (en) * | 1981-10-15 | 1983-08-30 | Burroughs Corporation | Preformatted optical media for use in an optical memory system |
| US4443870A (en) * | 1981-10-15 | 1984-04-17 | Burroughs Corporation | Optical memory system providing track following |
| JPS5877036A (ja) * | 1981-10-30 | 1983-05-10 | Olympus Optical Co Ltd | ピット中心検出方法 |
| US4428069A (en) * | 1981-12-21 | 1984-01-24 | Burroughs Corporation | Apparatus for preformatting an optical disk |
| NL8200208A (nl) * | 1982-01-21 | 1983-08-16 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
| US4432083A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having track following |
| US4489406A (en) * | 1982-02-17 | 1984-12-18 | Burroughs Corporation | Optical memory system having a short seek capability |
| US4432082A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having a long seek capability |
| FR2523349A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information |
| FR2523347B1 (fr) * | 1982-03-12 | 1988-11-04 | Thomson Csf | Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support |
| US4456981A (en) * | 1982-03-19 | 1984-06-26 | Magnetic Peripherals Inc. | Modulation system for optical recording |
| FR2528605B1 (fr) * | 1982-06-15 | 1987-11-20 | Thomson Csf | Procede et dispositif optique de focalisation d'un faisceau d'energie lumineuse sur un plan de reference d'un support d'information ainsi que ce support |
| JPS5919250A (ja) * | 1982-07-21 | 1984-01-31 | Hitachi Ltd | 情報の記録再生装置 |
| NL8300291A (nl) * | 1983-01-27 | 1984-08-16 | Philips Nv | Inrichting voor het uitlezen van een optische registratiedrager. |
| JP2598776B2 (ja) * | 1984-05-10 | 1997-04-09 | 株式会社リコー | 光情報記録媒体 |
-
1986
- 1986-07-29 AT AT86305826T patent/ATE84631T1/de not_active IP Right Cessation
- 1986-07-29 DE DE8686305826T patent/DE3687495T2/de not_active Expired - Fee Related
- 1986-07-29 JP JP61178614A patent/JP2888484B2/ja not_active Expired - Lifetime
- 1986-07-29 EP EP86305826A patent/EP0215556B1/de not_active Expired - Lifetime
- 1986-07-29 CA CA000514827A patent/CA1257391A/en not_active Expired
-
1988
- 1988-01-25 US US07/147,690 patent/US4914645A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0215556A2 (de) | 1987-03-25 |
| DE3687495T2 (de) | 1993-07-29 |
| DE3687495D1 (de) | 1993-02-25 |
| EP0215556A3 (en) | 1989-05-03 |
| CA1257391A (en) | 1989-07-11 |
| US4914645A (en) | 1990-04-03 |
| JP2888484B2 (ja) | 1999-05-10 |
| EP0215556B1 (de) | 1993-01-13 |
| JPS6233339A (ja) | 1987-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE84631T1 (de) | Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer. | |
| US4491940A (en) | System for reproducing pulse time modulated waveforms stored along a diffractive track | |
| BR8900231A (pt) | Portadora de registro de leitura otica,do tipo que pode ser inscrito,aparelho para fabricar uma tal portadora otica,aparelho para registrar informacao sobre uma tal portadora de registro,e,aparelho para ler uma tal portadora de registro | |
| EP0164131A3 (en) | Information recording medium disc and method and apparatus for recording/reproducing information | |
| KR950004126A (ko) | 광학 기록매체 및 재생 장치 | |
| EP0270365A1 (de) | Gerät mit Servostromkreisen zur Aufzeichnung und/oder Wiedergabe von optischen Platten | |
| JPH0264924A (ja) | 光学的情報記録再生装置 | |
| US5798996A (en) | Method and apparatus for recording digital data by controlling the location of the edge of recording pits through modulation of a laser | |
| EP0587373B1 (de) | Aufzeichnungsträger, Aufzeignungsverfahren, Gerät zur Datenaufzeichnung/ Wiedergabe und Vorrichtung zum Realisieren eines Aufzeichnungsmasters | |
| US5214635A (en) | Erasable optical disk and optical information recording/reproduction apparatus | |
| JP2568503B2 (ja) | 光デイスクのアドレス再生回路 | |
| EP0336706B1 (de) | Platteneinheitsvorrichtung | |
| JPS55113139A (en) | Optical information reading pickup unit | |
| JP3175153B2 (ja) | 光ディスク信号記録方法及び装置 | |
| JPH0582659B2 (de) | ||
| JPH0517613B2 (de) | ||
| JPS6292247A (ja) | 光情報の記録・再生方法 | |
| JPH0452995B2 (de) | ||
| JP2786659B2 (ja) | 光メモリ原盤のサーボパターン記録方法および装置 | |
| JPS61187139A (ja) | 光学的情報記録方法 | |
| JPS59139147A (ja) | 光学的情報記録再生装置 | |
| US5175725A (en) | Optical disk arrangement with closed contours whose entire extent represents information | |
| JPH0517612B2 (de) | ||
| KR950001716A (ko) | 광디스크 및 정보기록재생장치 | |
| JP2728206B2 (ja) | 情報記録再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |