FR2482756B1 - Disque contenant de l'information et procede pour y enregistrer et en effacer l'information de facon reversible - Google Patents

Disque contenant de l'information et procede pour y enregistrer et en effacer l'information de facon reversible

Info

Publication number
FR2482756B1
FR2482756B1 FR8109480A FR8109480A FR2482756B1 FR 2482756 B1 FR2482756 B1 FR 2482756B1 FR 8109480 A FR8109480 A FR 8109480A FR 8109480 A FR8109480 A FR 8109480A FR 2482756 B1 FR2482756 B1 FR 2482756B1
Authority
FR
France
Prior art keywords
information
erasing
reversible recording
disc containing
containing information
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
Application number
FR8109480A
Other languages
English (en)
French (fr)
Other versions
FR2482756A1 (fr
Inventor
Fred William Spong
Alan Edward Bell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2482756A1 publication Critical patent/FR2482756A1/fr
Application granted granted Critical
Publication of FR2482756B1 publication Critical patent/FR2482756B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/705Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055Erasing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
FR8109480A 1980-05-14 1981-05-13 Disque contenant de l'information et procede pour y enregistrer et en effacer l'information de facon reversible Expired FR2482756B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8015932 1980-05-14
US17484480A 1980-08-04 1980-08-04
US25464981A 1981-04-16 1981-04-16

Publications (2)

Publication Number Publication Date
FR2482756A1 FR2482756A1 (fr) 1981-11-20
FR2482756B1 true FR2482756B1 (fr) 1989-03-31

Family

ID=27260916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8109480A Expired FR2482756B1 (fr) 1980-05-14 1981-05-13 Disque contenant de l'information et procede pour y enregistrer et en effacer l'information de facon reversible

Country Status (4)

Country Link
DE (1) DE3118058A1 (enrdf_load_stackoverflow)
FR (1) FR2482756B1 (enrdf_load_stackoverflow)
GB (1) GB2079031B (enrdf_load_stackoverflow)
HK (1) HK78586A (enrdf_load_stackoverflow)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501882A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 記録保管デ−タ記録の方法および関連した媒体
JPS58501887A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション ディジタルデータレコード材料
JPS58501885A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション ディジタルデ−タストレ−ジのための記録保管記録媒体のための形成技術
WO1983001699A1 (en) * 1981-11-09 1983-05-11 Burroughs Corp Archival data recording system using low power radiation and related media
JPS58501884A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 低出力放射を用いるディジタルデ−タストレ−ジのための記録保管記録媒体
JPS58501883A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 改良された情報層および関連したサブストレ−トを備えた記録保管記録媒体
DE3242315A1 (de) * 1981-11-23 1983-06-01 RCA Corp., 10020 New York, N.Y. Optisches speichermedium
GB2121227A (en) * 1982-05-11 1983-12-14 Nigel Geoffrey Ley Optical memory recording disc
JPS5936338A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 光デイスク記録再生方法
JPS5968844A (ja) * 1982-10-14 1984-04-18 Matsushita Electric Ind Co Ltd 光学的可逆記録再生装置
NL8204291A (nl) * 1982-11-05 1984-06-01 Philips Nv Optisch registratie-element.
DE3373585D1 (en) * 1982-12-31 1987-10-15 Minnesota Mining & Mfg Recording medium for optical data storage
DE3416607C2 (de) * 1983-05-04 1995-03-16 Matsushita Electric Ind Co Ltd Optische Speicherplatte und Verfahren zu deren Herstellung
US4547444A (en) * 1983-12-23 1985-10-15 Minnesota Mining And Manufacturing Company Recording element for optical data storage
US4777068A (en) * 1984-08-10 1988-10-11 Canon Kabushiki Kaisha Optical recording medium
JPS6180640A (ja) * 1984-09-28 1986-04-24 Canon Inc 光学的記録媒体
JPH0619856B2 (ja) * 1984-11-09 1994-03-16 株式会社日立製作所 情報記録媒体
DE3601265A1 (de) * 1985-01-18 1986-07-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Optisches system fuer informationsaufzeichnung
EP0208118B1 (en) * 1985-07-08 1995-07-26 Energy Conversion Devices, Inc. Optical data storage device
SU1628081A1 (ru) * 1986-02-07 1991-02-15 Институт Проблем Моделирования В Энергетике Ан Усср Носитель информации оптического запоминающего устройства
JPH0654551B2 (ja) * 1986-02-07 1994-07-20 インスティテュト プロブレム モデリロバニア ベ− エネルゲティケ アカデミイ ナウク ウクラインスコイ エスエスエ−ル 光学的情報担体,それにおける情報の消去方法,およびこの方法を実現する光学的格納装置
US4839883A (en) * 1986-06-30 1989-06-13 Matsushita Electric Ind. Co., Ltd. Optical information recording medium
JP2512087B2 (ja) * 1988-06-24 1996-07-03 株式会社日立製作所 光記録媒体および光記録方法
JP2538647B2 (ja) * 1988-07-22 1996-09-25 富士通株式会社 光ディスク媒体
US4940618A (en) * 1988-07-30 1990-07-10 Taiyo Yuden Company, Ltd. Optical information recording medium
US5090009A (en) * 1988-07-30 1992-02-18 Taiyo Yuden Co., Ltd. Optical information recording medium
US5155723A (en) * 1988-07-30 1992-10-13 Yuden Co., Ltd. Taiyo Optical information recording method and medium
US5191565A (en) * 1989-06-19 1993-03-02 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
DE3929699A1 (de) * 1989-09-07 1991-03-14 Basf Ag Aufzeichnungsmedium sowie wiedergabemethode fuer reversible optische aufzeichnung
US5364829A (en) * 1991-08-30 1994-11-15 Matsushita Electric Industrial Co., Ltd. Rewritable recording medium and a method of recording in the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651281A (en) * 1969-06-06 1972-03-21 Carl H Becker Laser recording system using photomagnetically magnetizable storage medium
US3696344A (en) * 1970-02-19 1972-10-03 Energy Conversion Devices Inc Optical mass memory employing amorphous thin films
US3626386A (en) * 1970-03-05 1971-12-07 Energy Conversion Devices Inc Information storage systems
CH554582A (de) * 1973-03-30 1974-09-30 Ibm Verfahren und einrichtung zum optischen speichern und auslesen binaerer information.
FR2271617B1 (enrdf_load_stackoverflow) * 1974-05-15 1976-10-15 Thomson Brandt
US4125860A (en) * 1975-06-16 1978-11-14 Nippon Telegraph And Telephone Public Corporation Reproducer for an eraseable videodisc
US4101907A (en) * 1977-08-29 1978-07-18 Rca Corporation Overcoat structure for optical video disc
US4189735A (en) * 1978-02-24 1980-02-19 Rca Corporation Record playback apparatus and information record therefor
JPS5528530A (en) * 1978-08-17 1980-02-29 Matsushita Electric Ind Co Ltd Optical information recording method
US4264986A (en) * 1979-03-12 1981-04-28 Willis Craig I Information-recording process & apparatus

Also Published As

Publication number Publication date
DE3118058C2 (enrdf_load_stackoverflow) 1989-05-18
FR2482756A1 (fr) 1981-11-20
GB2079031B (en) 1984-08-08
GB2079031A (en) 1982-01-13
DE3118058A1 (de) 1982-03-11
HK78586A (en) 1986-10-24

Similar Documents

Publication Publication Date Title
FR2482756B1 (fr) Disque contenant de l'information et procede pour y enregistrer et en effacer l'information de facon reversible
FR2507805B1 (fr) Milieu d'enregistrement reversible et disque contenant de l'information realise a partir de ce milieu
FR2569038B1 (fr) Appareil d'enregistrement et de reproduction d'informations
FR2529701B1 (fr) Cassette pour disque d'enregistrement et de lecture d'informations
FR2494481B1 (fr) Appareil d'enregistrement et/ou de reproduction a cassette
FR2505594B1 (fr) Appareil d'enregistrement et de reproduction de signaux d'information
KR860005341A (ko) 광학 정보 메모리 매체 및 정보의 기록 및 소거용 장치 및 방법
BE886993A (fr) Porteur d'information, dispositif pour sa fabrication, et dispositif pour y enregistrer de l'information utile et/ou la reproduire
BE886992A (fr) Porteur d'information, dispositif pour sa fabrication et dispositif pour l'enregistrement et la lecture
FR2497384B1 (fr) Appareil d'enregistrement et/ou de reproduction a cassette
FR2466076B1 (fr) Appareil d'enregistrement et/ou de reproduction d'information
KR830002133U (ko) 기록 재생장치의 오소거 방지 기구
FR2558002B1 (fr) Appareil enregistreur et reproducteur d'informations
FR2488431B1 (fr) Procede et appareil d'enregistrement d'informations numeriques sur un support d'enregistrement
JPS5797187A (en) Method of preventing rewriting of information only recorded on data holder and apparatus for recording and/or reading information for preventing said rewriting
FR2575577B1 (fr) Transducteur magnetique d'ecriture/lecture pour enregistrement perpendiculaire
FR2533345B1 (fr) Disque d'enregistrement d'information
IT1109792B (it) Metodo ed apparato per l'indirizzamento e/o la localizzazione di informazioni su di un supporto di registrazioni
FR2506982B1 (fr) Dispositif pour l'enregistrement et/ou la lecture d'un support d'information
GB2073459B (en) Information storing method by use of past record
FR2498862B1 (fr) Procede et appareil d'enregistrement et de reproduction d'un signal numerique d'informations
FR2547095B1 (fr) Support d'enregistrement rotatif et appareil pour reproduire l'information enregistree a partir de ce support
FR2494480B1 (fr) Procede et appareil d'enregistrement de signaux d'information
FR2502375B1 (fr) Transducteur magnetoresistant de lecture d'informations a tres haute densite
GB2119558B (en) Method of recording information on magneto-optic information storage medium