JPH046821U - - Google Patents

Info

Publication number
JPH046821U
JPH046821U JP1990044297U JP4429790U JPH046821U JP H046821 U JPH046821 U JP H046821U JP 1990044297 U JP1990044297 U JP 1990044297U JP 4429790 U JP4429790 U JP 4429790U JP H046821 U JPH046821 U JP H046821U
Authority
JP
Japan
Prior art keywords
area
reproduction
track
information
information reproduction
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.)
Pending
Application number
JP1990044297U
Other languages
English (en)
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 JP1990044297U priority Critical patent/JPH046821U/ja
Publication of JPH046821U publication Critical patent/JPH046821U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (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上面図、第2
図は従来の一例を示す上面図である。 1……情報再生専用領域、2……記録再生領域
、11……情報再生専用トラツク、12……記録
再生用トラツク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 1周のトラツクの前半部に再生専用の情報がピ
    ツト列として予じめ書き込まれた情報再生専用領
    域と、前記トラツクの後半部をトラツキング用グ
    ループが形成され少なくとも前記情報再生専用領
    域に対応した記録および再生が可能な記録再生用
    領域とを含むことを特徴とする光デイスク基板。
JP1990044297U 1990-04-25 1990-04-25 Pending JPH046821U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990044297U JPH046821U (ja) 1990-04-25 1990-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990044297U JPH046821U (ja) 1990-04-25 1990-04-25

Publications (1)

Publication Number Publication Date
JPH046821U true JPH046821U (ja) 1992-01-22

Family

ID=31557469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990044297U Pending JPH046821U (ja) 1990-04-25 1990-04-25

Country Status (1)

Country Link
JP (1) JPH046821U (ja)

Similar Documents

Publication Publication Date Title
JPS62139992U (ja)
JPH046821U (ja)
JPH046822U (ja)
JPH025111U (ja)
JPS6263886U (ja)
JPS6255226U (ja)
JPH01103016U (ja)
JPS6368171U (ja)
JPH0314799U (ja)
JPS6255269U (ja)
JPS61193526U (ja)
JPS6176568U (ja)
JPS61114587U (ja)
JPH03106531U (ja)
JPH0197421U (ja)
JPH0352826U (ja)
JPS61111064U (ja)
JPS63122945U (ja)
JPS6280257U (ja)
JPS6368129U (ja)
JPS6347423U (ja)
JPS616988U (ja) デイスクプレ−ヤ−
JPH0396676U (ja)
JPS63161423U (ja)
JPS6399314U (ja)