IN168113B - - Google Patents

Info

Publication number
IN168113B
IN168113B IN321/CAL/87A IN321CA1987A IN168113B IN 168113 B IN168113 B IN 168113B IN 321CA1987 A IN321CA1987 A IN 321CA1987A IN 168113 B IN168113 B IN 168113B
Authority
IN
India
Application number
IN321/CAL/87A
Other languages
English (en)
Inventor
Vyacheslav Vasilievich Petrov
Alexandr Alexandrovich Antonov
Nikolai Vasilievich Gorshkov
Alexandr Petrovich Tokar
Andrei Andreevich Krjuchin
Semen Mikhailovich Shanoilo
Original Assignee
Akad Nauk Sssr
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 Akad Nauk Sssr filed Critical Akad Nauk Sssr
Publication of IN168113B publication Critical patent/IN168113B/en

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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • 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
IN321/CAL/87A 1986-02-07 1987-04-23 IN168113B (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU863134138A SU1628081A1 (ru) 1986-02-07 1986-02-07 Носитель информации оптического запоминающего устройства
PCT/SU1987/000020 WO1987004842A1 (fr) 1986-02-07 1987-02-05 Procede d'effacement d'informations

Publications (1)

Publication Number Publication Date
IN168113B true IN168113B (fr) 1991-02-09

Family

ID=20928595

Family Applications (1)

Application Number Title Priority Date Filing Date
IN321/CAL/87A IN168113B (fr) 1986-02-07 1987-04-23

Country Status (9)

Country Link
US (1) US4875204A (fr)
EP (1) EP0256143A4 (fr)
JP (1) JPH0654540B2 (fr)
CN (1) CN1010442B (fr)
HU (1) HU200020B (fr)
IN (1) IN168113B (fr)
SU (1) SU1628081A1 (fr)
WO (1) WO1987004842A1 (fr)
YU (1) YU17887A (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface
JPS6049977B2 (ja) * 1980-04-23 1985-11-06 松下電器産業株式会社 光デイスク装置
DE3118058A1 (de) * 1980-05-14 1982-03-11 RCA Corp., 10020 New York, N.Y. Aufzeichnungstraeger und verfahren zum schreiben einer informationsspur sowie zum loeschen einer in dem traeger gespeicherten information
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same
JPS5774842A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk
JPS57130243A (en) * 1981-02-05 1982-08-12 Toshiba Corp Information storage medium
JPS5814335A (ja) * 1981-07-20 1983-01-27 Tdk Corp 光記録媒体ならびに情報の書込みおよび消去方法
US4519061A (en) * 1983-06-27 1985-05-21 Eastman Kodak Company Sealed optical disk unit, apparatus and method for debris-suppressed recording
US4719615A (en) * 1983-08-22 1988-01-12 Optical Data, Inc. Erasable optical data storage medium

Also Published As

Publication number Publication date
JPS63503415A (ja) 1988-12-08
HU200020B (en) 1990-03-28
US4875204A (en) 1989-10-17
WO1987004842A1 (fr) 1987-08-13
HUT47756A (en) 1989-03-28
SU1628081A1 (ru) 1991-02-15
CN1010442B (zh) 1990-11-14
EP0256143A1 (fr) 1988-02-24
EP0256143A4 (fr) 1988-09-19
JPH0654540B2 (ja) 1994-07-20
CN87101611A (zh) 1987-10-07
YU17887A (en) 1989-06-30

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