JPH0258690B2 - - Google Patents

Info

Publication number
JPH0258690B2
JPH0258690B2 JP55066773A JP6677380A JPH0258690B2 JP H0258690 B2 JPH0258690 B2 JP H0258690B2 JP 55066773 A JP55066773 A JP 55066773A JP 6677380 A JP6677380 A JP 6677380A JP H0258690 B2 JPH0258690 B2 JP H0258690B2
Authority
JP
Japan
Prior art keywords
recording
spot
light
disk
irradiation
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 - Lifetime
Application number
JP55066773A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56163528A (en
Inventor
Takeo Oota
Nobuo Akahira
Tatsushi Nakamura
Tadaoki Yamashita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6677380A priority Critical patent/JPS56163528A/ja
Publication of JPS56163528A publication Critical patent/JPS56163528A/ja
Publication of JPH0258690B2 publication Critical patent/JPH0258690B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/0045Recording
    • G11B7/00455Recording involving reflectivity, absorption or colour changes

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6677380A 1980-05-19 1980-05-19 Recording and erasing method of optical information Granted JPS56163528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6677380A JPS56163528A (en) 1980-05-19 1980-05-19 Recording and erasing method of optical information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6677380A JPS56163528A (en) 1980-05-19 1980-05-19 Recording and erasing method of optical information

Publications (2)

Publication Number Publication Date
JPS56163528A JPS56163528A (en) 1981-12-16
JPH0258690B2 true JPH0258690B2 (ko) 1990-12-10

Family

ID=13325512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6677380A Granted JPS56163528A (en) 1980-05-19 1980-05-19 Recording and erasing method of optical information

Country Status (1)

Country Link
JP (1) JPS56163528A (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883347A (ja) * 1981-11-09 1983-05-19 Canon Inc 光磁気記録装置
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
JPS60106031A (ja) * 1983-11-11 1985-06-11 Matsushita Electric Ind Co Ltd 光記録媒体の前処理装置
JPS60155495A (ja) * 1984-01-26 1985-08-15 Sony Corp 光学情報記録媒体
JP2702923B2 (ja) * 1987-04-24 1998-01-26 株式会社日立製作所 情報の記録方法及び情報記録装置
US5257256A (en) * 1987-04-24 1993-10-26 Hitachi, Ltd. Recording waveform for mark-length modulation optical recording

Also Published As

Publication number Publication date
JPS56163528A (en) 1981-12-16

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