JPH0348578B2 - - Google Patents

Info

Publication number
JPH0348578B2
JPH0348578B2 JP57114339A JP11433982A JPH0348578B2 JP H0348578 B2 JPH0348578 B2 JP H0348578B2 JP 57114339 A JP57114339 A JP 57114339A JP 11433982 A JP11433982 A JP 11433982A JP H0348578 B2 JPH0348578 B2 JP H0348578B2
Authority
JP
Japan
Prior art keywords
signal
track
recording
record carrier
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 - Lifetime
Application number
JP57114339A
Other languages
English (en)
Japanese (ja)
Other versions
JPS595449A (ja
Inventor
Tetsuo Hosomi
Yukinori Okazaki
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 JP57114339A priority Critical patent/JPS595449A/ja
Publication of JPS595449A publication Critical patent/JPS595449A/ja
Publication of JPH0348578B2 publication Critical patent/JPH0348578B2/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
    • G11B7/24—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
    • G11B7/24085—Pits

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57114339A 1982-06-30 1982-06-30 光デイスク用記録担体 Granted JPS595449A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57114339A JPS595449A (ja) 1982-06-30 1982-06-30 光デイスク用記録担体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57114339A JPS595449A (ja) 1982-06-30 1982-06-30 光デイスク用記録担体

Publications (2)

Publication Number Publication Date
JPS595449A JPS595449A (ja) 1984-01-12
JPH0348578B2 true JPH0348578B2 (ko) 1991-07-24

Family

ID=14635298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57114339A Granted JPS595449A (ja) 1982-06-30 1982-06-30 光デイスク用記録担体

Country Status (1)

Country Link
JP (1) JPS595449A (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104347A (ja) * 1984-10-22 1986-05-22 Sony Corp デイスク装置
JPS61151843A (ja) * 1984-12-25 1986-07-10 Nec Home Electronics Ltd 光メモリデイスク
JPS61158045A (ja) * 1984-12-28 1986-07-17 Nec Home Electronics Ltd 光ヘツド
JPS61236046A (ja) * 1985-04-10 1986-10-21 Sony Corp デイスク状記録媒体及びその製造装置
NL8602504A (nl) * 1986-10-06 1988-05-02 Philips Nv Optisch uitleesbare registratiedrager voor het optekenen van informatie, een inrichting voor het vervaardigen van een dergelijke registratiedrager, een inrichting voor het optekenen van informatie op een dergelijke registratiedrager, alsmede een inrichting voor het uitlezen van op een dergelijke registratiedrager opgetekende informatie.
US5339301A (en) * 1986-10-06 1994-08-16 U.S. Philips Corporation Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier
JPH01165917U (ko) * 1988-05-06 1989-11-21
US5185732A (en) * 1988-06-20 1993-02-09 Sony Corporation Recording medium and recording and reproducing apparatus employing the recording medium
KR20000064320A (ko) * 1996-09-03 2000-11-06 요트.게.아. 롤페즈 정보 블록의 기록 및 판독용 정보매체, 판독/기록장치와 판독장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015507A (ko) * 1973-06-07 1975-02-19
JPS574041B2 (ko) * 1974-10-14 1982-01-23

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574041U (ko) * 1980-06-09 1982-01-09
JPS58165794U (ja) * 1982-04-27 1983-11-04 株式会社東芝 光学式情報記憶媒体
JPS58165742U (ja) * 1982-04-27 1983-11-04 株式会社東芝 光学式情報記憶媒体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015507A (ko) * 1973-06-07 1975-02-19
JPS574041B2 (ko) * 1974-10-14 1982-01-23

Also Published As

Publication number Publication date
JPS595449A (ja) 1984-01-12

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