JPH0570209B2 - - Google Patents

Info

Publication number
JPH0570209B2
JPH0570209B2 JP57143911A JP14391182A JPH0570209B2 JP H0570209 B2 JPH0570209 B2 JP H0570209B2 JP 57143911 A JP57143911 A JP 57143911A JP 14391182 A JP14391182 A JP 14391182A JP H0570209 B2 JPH0570209 B2 JP H0570209B2
Authority
JP
Japan
Prior art keywords
track
sector
light
groove
optical disk
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
JP57143911A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5933634A (ja
Inventor
Kenji Koishi
Tomio Yoshida
Isao Sato
Shunji Oohara
Yuzuru Kuroki
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 JP57143911A priority Critical patent/JPS5933634A/ja
Publication of JPS5933634A publication Critical patent/JPS5933634A/ja
Publication of JPH0570209B2 publication Critical patent/JPH0570209B2/ja
Granted legal-status Critical Current

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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP57143911A 1982-08-18 1982-08-18 光学記録再生装置 Granted JPS5933634A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57143911A JPS5933634A (ja) 1982-08-18 1982-08-18 光学記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57143911A JPS5933634A (ja) 1982-08-18 1982-08-18 光学記録再生装置

Publications (2)

Publication Number Publication Date
JPS5933634A JPS5933634A (ja) 1984-02-23
JPH0570209B2 true JPH0570209B2 (OSRAM) 1993-10-04

Family

ID=15349949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57143911A Granted JPS5933634A (ja) 1982-08-18 1982-08-18 光学記録再生装置

Country Status (1)

Country Link
JP (1) JPS5933634A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01256023A (ja) * 1988-04-05 1989-10-12 Taiyo Yuden Co Ltd 光ディスクの信号記録再生方式

Also Published As

Publication number Publication date
JPS5933634A (ja) 1984-02-23

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