FR2439521A1 - Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique - Google Patents
Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optiqueInfo
- Publication number
- FR2439521A1 FR2439521A1 FR7924156A FR7924156A FR2439521A1 FR 2439521 A1 FR2439521 A1 FR 2439521A1 FR 7924156 A FR7924156 A FR 7924156A FR 7924156 A FR7924156 A FR 7924156A FR 2439521 A1 FR2439521 A1 FR 2439521A1
- Authority
- FR
- France
- Prior art keywords
- information
- radiation
- areas
- reflecting
- information storage
- 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.)
- Granted
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
-
- 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
- G11B7/24073—Tracks
- G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape
-
- 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
- G11B7/24073—Tracks
- G11B7/24079—Width or depth
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
PORTEUR D'ENREGISTREMENT A STRUCTURE D'INFORMATION REFLECHISSANT LE RAYONNEMENT ET A LIRE PAR VOIE OPTIQUE, CONSTITUE PAR DES DOMAINES D'INFORMATION RANGES SUIVANT DES PISTES D'INFORMATION ET ESPACES PAR DES DOMAINES INTERMEDIAIRES, LES DOMAINES D'INFORMATION PRESENTANT DES PAROIS INCLINEES. UN SIGNAL D'INFORMATION ET UN SIGNAL DE DEFAUT DE POSITION S'OBTIENNENT DE FACON EFFICACE LORSQUE L'ANGLE DE PENTE DES PAROIS DES DOMAINES D'INFORMATION SE SITUE ENTRE65 ET85 ET LA PROFONDEUR DE PHASE DES DOMAINES D'INFORMATION ENTRE95 ET140. APPLICATION : DISQUE OPTIQUE CONTENANT UN PROGRAMME VIDEO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7810462A NL7810462A (nl) | 1978-10-19 | 1978-10-19 | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2439521A1 true FR2439521A1 (fr) | 1980-05-16 |
FR2439521B1 FR2439521B1 (fr) | 1985-09-27 |
Family
ID=19831738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7924156A Expired FR2439521B1 (fr) | 1978-10-19 | 1979-09-28 | Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique |
Country Status (18)
Country | Link |
---|---|
US (1) | US4209804A (fr) |
JP (1) | JPS5555448A (fr) |
AR (1) | AR220232A1 (fr) |
AT (1) | AT365359B (fr) |
AU (1) | AU530555B2 (fr) |
BE (1) | BE879462A (fr) |
CA (1) | CA1152644A (fr) |
CH (1) | CH651148A5 (fr) |
DE (1) | DE2941946A1 (fr) |
DK (1) | DK149275C (fr) |
ES (1) | ES485091A1 (fr) |
FR (1) | FR2439521B1 (fr) |
GB (1) | GB2036408B (fr) |
IT (1) | IT1123874B (fr) |
MX (1) | MX146593A (fr) |
NL (1) | NL7810462A (fr) |
SE (1) | SE443889B (fr) |
ZA (1) | ZA795249B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439522A1 (fr) * | 1978-10-19 | 1980-05-16 | Philips Nv | Porteur d'enregistrement a stockage des informations dans une structure d'information lisible par voie optique |
FR2497990A1 (fr) * | 1981-01-12 | 1982-07-16 | Philips Nv | Porteur d'information presentant une structure d'information lisible par voie optique |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7803517A (nl) * | 1978-04-03 | 1979-10-05 | Philips Nv | Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen. |
CA1165871A (fr) * | 1978-11-08 | 1984-04-17 | Kornelis Bulthuis | Support d'enregistrement optique |
NL7906576A (nl) * | 1979-09-03 | 1981-03-05 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor. |
US4353077A (en) * | 1979-09-10 | 1982-10-05 | News Log International, Inc. | Optical floppy disc data storage and retrieval techniques |
NL7907180A (nl) * | 1979-09-27 | 1981-03-31 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan. |
JPS56117341A (en) * | 1980-02-18 | 1981-09-14 | Toshiba Corp | Optical disk and its manufacture |
FR2481501B1 (fr) * | 1980-04-25 | 1985-09-13 | Philips Nv | Porteur d'enregistrement comportant une structure d'information lisible par voie optique et dispositif pour la lecture d'un tel porteur d'enregistrement |
JPS5760543A (en) * | 1980-09-29 | 1982-04-12 | Fujitsu Ltd | Recording medium for energy beam |
US4692913A (en) * | 1980-11-26 | 1987-09-08 | News Log International, Inc. | Method and apparatus for reading a data record carrier |
US4680456A (en) * | 1981-02-27 | 1987-07-14 | Drexler Technology Corporation | Data system employing wallet-size optical card |
US4810868A (en) * | 1985-08-06 | 1989-03-07 | Drexler Technology Corporation | Frasable optical wallet-size data card |
US4500777A (en) * | 1981-02-27 | 1985-02-19 | Drexler Technology Corporation | High data capacity, scratch and dust resistant, infrared, read-write data card for automatic teller machines |
US4542288A (en) * | 1981-02-27 | 1985-09-17 | Drexler Technology Corporation | Method for making a laser recordable wallet-size plastic card |
US4680460A (en) * | 1981-02-27 | 1987-07-14 | Drexler Technology Corporation | System and method for making recordable wallet-size optical card |
US5241165A (en) * | 1981-02-27 | 1993-08-31 | Drexler Technology Corporation | Erasable optical wallet-size data card |
AU549957B2 (en) * | 1981-02-27 | 1986-02-20 | Drexler Technology Corporation | Banking card for automatic teller machines and the like |
US4683371A (en) * | 1981-02-27 | 1987-07-28 | Drexler Technology Corporation | Dual stripe optical data card |
US4360728A (en) * | 1981-02-27 | 1982-11-23 | Drexler Technology Corporation | Banking card for automatic teller machines and the like |
US4680458A (en) * | 1981-02-27 | 1987-07-14 | Drexler Technology Corporation | Laser recording and storage medium |
US4609812A (en) * | 1981-02-27 | 1986-09-02 | Drexler Technology Corporation | Prerecorded dual strip data storage card |
JPS57158047A (en) * | 1981-03-24 | 1982-09-29 | Toshiba Corp | Optical information recording medium |
US4523304A (en) * | 1981-04-17 | 1985-06-11 | Matsushita Electric Industrial Co., Ltd. | Optical data recording and reproducing apparatus |
NL8103504A (nl) * | 1981-07-24 | 1983-02-16 | Philips Nv | Registratiedrager met een optisch uitleesbare informatiestructuur en inrichting voor het uitlezen daarvan. |
JPS5862842A (ja) * | 1981-10-09 | 1983-04-14 | Matsushita Electric Ind Co Ltd | 光学的記録用円盤 |
FR2546310B1 (fr) * | 1983-05-20 | 1986-04-25 | Thomson Csf | Monture reglable pour miroir pivotant et tete optique d'enregistrement-lecture utilisant une telle monture |
JPS60131652A (ja) * | 1983-12-20 | 1985-07-13 | Matsushita Electric Ind Co Ltd | 信号記録スタンパ− |
US4656346A (en) * | 1984-11-21 | 1987-04-07 | Drexler Technology Corporation | System for optically reading and annotating text on a data card |
US4748609A (en) * | 1985-03-29 | 1988-05-31 | Hitachi, Ltd. | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset |
US4707816A (en) * | 1985-03-29 | 1987-11-17 | Hitachi, Ltd. | Method and apparatus for composite wobbled and push-pull tracking servo system |
US4959823A (en) * | 1985-07-30 | 1990-09-25 | Laser Magnetic Storage International Company | Tracking and seeking system for use with an optical record carrier having a wobbled track format |
US4879708A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using wobbled pits |
JP2888484B2 (ja) * | 1985-07-30 | 1999-05-10 | オプテイカル ストレツジ インターナシヨナル−ユーエス | 記録キャリア及び光データ読み書き装置 |
US4879707A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using discontinuities |
NL8502802A (nl) * | 1985-10-14 | 1987-05-04 | Philips Nv | Inrichting voor het uitlezen en/of inschrijven van een optische spoorvormige informatiestruktuur. |
US4937810A (en) * | 1986-04-23 | 1990-06-26 | Drexler Technology Corporation | Optical recording tape with continuous prerecorded tracks |
US4864552A (en) * | 1986-08-29 | 1989-09-05 | Laser Magnetic Storage International Company | Driving signal for coarse servo employing sampled offset signal |
JPS63225945A (ja) * | 1987-03-16 | 1988-09-20 | Hitachi Ltd | 光磁気デイスク |
US5031166A (en) * | 1988-01-25 | 1991-07-09 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor |
US5026510A (en) * | 1988-03-17 | 1991-06-25 | Canon Kabushiki Kaisha | Mold for cast molding substrate having preformat with information pits and method of using same |
JP2532598B2 (ja) * | 1988-08-03 | 1996-09-11 | シャープ株式会社 | 光メモリ素子の製造方法及びその装置 |
DE68921453T2 (de) * | 1988-12-28 | 1995-07-13 | Canon Kk | Informationsaufzeichnungsträger. |
US5149951A (en) * | 1990-03-05 | 1992-09-22 | Minnesota Mining & Manufacturing Company, A Corporation Of Delaware | Apparatus and method for presenting a data card for data transfer with centrifugal flyweight |
US6570840B1 (en) | 2000-04-26 | 2003-05-27 | Optical Disc Corporation | Figure of merit in optical recording structures |
US20040076110A1 (en) * | 2000-06-22 | 2004-04-22 | Yasumori Hino | Optical disk medium, optical disk device, and master production method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3931459A (en) * | 1974-02-04 | 1976-01-06 | Zenith Radio Corporation | Video disc |
DE2410740B2 (de) * | 1974-03-06 | 1977-03-24 | Polygram Gmbh, 2000 Hamburg | Verfahren zur herstellung eines aus thermoplastischem kunststoff bestehenden informationsspeichers hoher speicherdichte |
NL7413044A (nl) * | 1974-10-03 | 1976-04-06 | Philips Nv | Registratiedrager waarop een televisiesignaal is opgeslagen. |
US4094013A (en) * | 1975-05-22 | 1978-06-06 | U.S. Philips Corporation | Optical storage disk system with disk track guide sectors |
US4161752A (en) * | 1977-06-28 | 1979-07-17 | International Business Machines Corporation | High density video disk having two pit depths |
NL7809227A (nl) * | 1978-09-11 | 1980-03-13 | Philips Nv | Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur. |
-
1978
- 1978-10-19 NL NL7810462A patent/NL7810462A/nl not_active Application Discontinuation
-
1979
- 1979-01-16 MX MX146953A patent/MX146593A/es unknown
- 1979-01-31 US US06/008,133 patent/US4209804A/en not_active Expired - Lifetime
- 1979-09-28 FR FR7924156A patent/FR2439521B1/fr not_active Expired
- 1979-10-02 ZA ZA00795249A patent/ZA795249B/xx unknown
- 1979-10-11 AR AR278476A patent/AR220232A1/es active
- 1979-10-16 GB GB7935942A patent/GB2036408B/en not_active Expired
- 1979-10-16 IT IT26540/79A patent/IT1123874B/it active
- 1979-10-16 AU AU51826/79A patent/AU530555B2/en not_active Ceased
- 1979-10-16 DK DK436779A patent/DK149275C/da active
- 1979-10-16 SE SE7908541A patent/SE443889B/sv not_active IP Right Cessation
- 1979-10-16 CH CH9317/79A patent/CH651148A5/de not_active IP Right Cessation
- 1979-10-17 ES ES485091A patent/ES485091A1/es not_active Expired
- 1979-10-17 DE DE19792941946 patent/DE2941946A1/de active Granted
- 1979-10-17 BE BE0/197685A patent/BE879462A/fr not_active IP Right Cessation
- 1979-10-18 CA CA000337901A patent/CA1152644A/fr not_active Expired
- 1979-10-19 AT AT0682879A patent/AT365359B/de not_active IP Right Cessation
- 1979-10-19 JP JP13427979A patent/JPS5555448A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439522A1 (fr) * | 1978-10-19 | 1980-05-16 | Philips Nv | Porteur d'enregistrement a stockage des informations dans une structure d'information lisible par voie optique |
FR2497990A1 (fr) * | 1981-01-12 | 1982-07-16 | Philips Nv | Porteur d'information presentant une structure d'information lisible par voie optique |
Also Published As
Publication number | Publication date |
---|---|
AU530555B2 (en) | 1983-07-21 |
DE2941946A1 (de) | 1980-04-30 |
SE443889B (sv) | 1986-03-10 |
DE2941946C2 (fr) | 1988-05-26 |
AU5182679A (en) | 1980-04-24 |
MX146593A (es) | 1982-07-13 |
ATA682879A (de) | 1981-05-15 |
ES485091A1 (es) | 1980-05-16 |
FR2439521B1 (fr) | 1985-09-27 |
GB2036408B (en) | 1983-05-11 |
JPS5555448A (en) | 1980-04-23 |
GB2036408A (en) | 1980-06-25 |
DK149275C (da) | 1986-09-22 |
BE879462A (fr) | 1980-04-17 |
NL7810462A (nl) | 1980-04-22 |
JPS6319940B2 (fr) | 1988-04-25 |
IT1123874B (it) | 1986-04-30 |
SE7908541L (sv) | 1980-04-20 |
CA1152644A (fr) | 1983-08-23 |
CH651148A5 (de) | 1985-08-30 |
IT7926540A0 (it) | 1979-10-16 |
DK436779A (da) | 1980-04-20 |
US4209804A (en) | 1980-06-24 |
AT365359B (de) | 1982-01-11 |
AR220232A1 (es) | 1980-10-15 |
DK149275B (da) | 1986-04-14 |
ZA795249B (en) | 1981-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |