JPS62225U - - Google Patents

Info

Publication number
JPS62225U
JPS62225U JP8932985U JP8932985U JPS62225U JP S62225 U JPS62225 U JP S62225U JP 8932985 U JP8932985 U JP 8932985U JP 8932985 U JP8932985 U JP 8932985U JP S62225 U JPS62225 U JP S62225U
Authority
JP
Japan
Prior art keywords
optical system
information
reading optical
recording medium
mark
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
JP8932985U
Other languages
English (en)
Other versions
JPH087531Y2 (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 JP1985089329U priority Critical patent/JPH087531Y2/ja
Publication of JPS62225U publication Critical patent/JPS62225U/ja
Application granted granted Critical
Publication of JPH087531Y2 publication Critical patent/JPH087531Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (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略的構成図
、第2図は典型例を示す構成図、第3図は記録媒
体の平面図である。 12……記録媒体、20……情報読取光学系、
30……マーク読取光学系。

Claims (1)

    【実用新案登録請求の範囲】
  1. 情報及びマークが記録された回転記録媒体と、
    該記録媒体の径方向に直線的に移動して上記情報
    を読取るための情報読取光学系と、該情報読取光
    学系の移動する直線上にあつて上記マークを読取
    るためのマーク読取光学系とを備え、上記情報読
    取光学系に設けられた光源からの光束の一部を上
    記マーク検出光学系に入射せしめるように構成し
    たことを特徴とする光学読取装置。
JP1985089329U 1985-06-13 1985-06-13 光学読取装置 Expired - Lifetime JPH087531Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985089329U JPH087531Y2 (ja) 1985-06-13 1985-06-13 光学読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985089329U JPH087531Y2 (ja) 1985-06-13 1985-06-13 光学読取装置

Publications (2)

Publication Number Publication Date
JPS62225U true JPS62225U (ja) 1987-01-06
JPH087531Y2 JPH087531Y2 (ja) 1996-03-04

Family

ID=30643299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985089329U Expired - Lifetime JPH087531Y2 (ja) 1985-06-13 1985-06-13 光学読取装置

Country Status (1)

Country Link
JP (1) JPH087531Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5485049A (en) * 1977-12-20 1979-07-06 Olympus Optical Co Ltd Optical scanning method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5485049A (en) * 1977-12-20 1979-07-06 Olympus Optical Co Ltd Optical scanning method

Also Published As

Publication number Publication date
JPH087531Y2 (ja) 1996-03-04

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