JPS63173724U - - Google Patents

Info

Publication number
JPS63173724U
JPS63173724U JP1987066049U JP6604987U JPS63173724U JP S63173724 U JPS63173724 U JP S63173724U JP 1987066049 U JP1987066049 U JP 1987066049U JP 6604987 U JP6604987 U JP 6604987U JP S63173724 U JPS63173724 U JP S63173724U
Authority
JP
Japan
Prior art keywords
data information
disc
recorded
functions
memory
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.)
Granted
Application number
JP1987066049U
Other languages
English (en)
Other versions
JPH0753131Y2 (ja
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 filed Critical
Priority to JP1987066049U priority Critical patent/JPH0753131Y2/ja
Publication of JPS63173724U publication Critical patent/JPS63173724U/ja
Application granted granted Critical
Publication of JPH0753131Y2 publication Critical patent/JPH0753131Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す概念図、第2
図は従来方式の概念図である。 1……レーザ発光器、2……ハーフミラー、3
……センサー、4……レンズ、5……デイスク面
、5a……穴、6……レーザ光。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光信号のデータ情報を記録させる光デイスクに
    おいて、深さが異なり、かつその各々の深さ毎に
    前記データ情報のメモリとして機能する多層の穴
    をデイスク面に有することを特徴とする光デイス
    ク。
JP1987066049U 1987-04-30 1987-04-30 光デイスク Expired - Lifetime JPH0753131Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987066049U JPH0753131Y2 (ja) 1987-04-30 1987-04-30 光デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987066049U JPH0753131Y2 (ja) 1987-04-30 1987-04-30 光デイスク

Publications (2)

Publication Number Publication Date
JPS63173724U true JPS63173724U (ja) 1988-11-11
JPH0753131Y2 JPH0753131Y2 (ja) 1995-12-06

Family

ID=30903688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987066049U Expired - Lifetime JPH0753131Y2 (ja) 1987-04-30 1987-04-30 光デイスク

Country Status (1)

Country Link
JP (1) JPH0753131Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242532A (ja) * 1985-01-25 1985-12-02 Hitachi Ltd 情報記録担体
JPS6164491A (ja) * 1984-09-06 1986-04-02 Nec Corp 光記録方式および光記録媒体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164491A (ja) * 1984-09-06 1986-04-02 Nec Corp 光記録方式および光記録媒体
JPS60242532A (ja) * 1985-01-25 1985-12-02 Hitachi Ltd 情報記録担体

Also Published As

Publication number Publication date
JPH0753131Y2 (ja) 1995-12-06

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