JPS6321257B2 - - Google Patents

Info

Publication number
JPS6321257B2
JPS6321257B2 JP58232708A JP23270883A JPS6321257B2 JP S6321257 B2 JPS6321257 B2 JP S6321257B2 JP 58232708 A JP58232708 A JP 58232708A JP 23270883 A JP23270883 A JP 23270883A JP S6321257 B2 JPS6321257 B2 JP S6321257B2
Authority
JP
Japan
Prior art keywords
information
light
pit
spot
signal
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
JP58232708A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59132430A (ja
Inventor
Takeshi Maeda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP23270883A priority Critical patent/JPS59132430A/ja
Publication of JPS59132430A publication Critical patent/JPS59132430A/ja
Publication of JPS6321257B2 publication Critical patent/JPS6321257B2/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)
JP23270883A 1983-12-12 1983-12-12 情報再生方法 Granted JPS59132430A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23270883A JPS59132430A (ja) 1983-12-12 1983-12-12 情報再生方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23270883A JPS59132430A (ja) 1983-12-12 1983-12-12 情報再生方法

Publications (2)

Publication Number Publication Date
JPS59132430A JPS59132430A (ja) 1984-07-30
JPS6321257B2 true JPS6321257B2 (enrdf_load_stackoverflow) 1988-05-06

Family

ID=16943531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23270883A Granted JPS59132430A (ja) 1983-12-12 1983-12-12 情報再生方法

Country Status (1)

Country Link
JP (1) JPS59132430A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62187418U (enrdf_load_stackoverflow) * 1986-05-16 1987-11-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7413162A (nl) * 1974-10-07 1976-04-09 Philips Nv Inrichting voor het uitlezen van een schijf- vormige registratiedrager.

Also Published As

Publication number Publication date
JPS59132430A (ja) 1984-07-30

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