JPH0267218U - - Google Patents

Info

Publication number
JPH0267218U
JPH0267218U JP14537088U JP14537088U JPH0267218U JP H0267218 U JPH0267218 U JP H0267218U JP 14537088 U JP14537088 U JP 14537088U JP 14537088 U JP14537088 U JP 14537088U JP H0267218 U JPH0267218 U JP H0267218U
Authority
JP
Japan
Prior art keywords
light
optical scale
emitting element
parts
light emitting
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
JP14537088U
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 JP14537088U priority Critical patent/JPH0267218U/ja
Publication of JPH0267218U publication Critical patent/JPH0267218U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Transform (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Description

【図面の簡単な説明】
第1図乃至第3図はこの考案に係る位置検出装
置の実施例を示し、第1図は斜視図、第2図はブ
ロツク図、第3図は差分回路の出力波形図である
。 主な符号の説明、1:発光素子、2,3:コリ
メータレンズ、4,5:光学スケール、4A,5
A:透光部分、6,7:受光素子、8:差分回路
、81:差分回路の出力、9:ピーク検出回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 発光素子とこの発光素子からの光を透光する部
    分と遮光する部分とが交互に配置されたパターン
    を有する光学スケールとこの光学スケールを通過
    する通過光を検出する受光素子とからなる位置検
    出装置において、 前記光学スケールの透光部分の大きさを段階的
    に変化させたことを特徴とする位置検出装置。
JP14537088U 1988-11-09 1988-11-09 Pending JPH0267218U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14537088U JPH0267218U (ja) 1988-11-09 1988-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14537088U JPH0267218U (ja) 1988-11-09 1988-11-09

Publications (1)

Publication Number Publication Date
JPH0267218U true JPH0267218U (ja) 1990-05-22

Family

ID=31413897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14537088U Pending JPH0267218U (ja) 1988-11-09 1988-11-09

Country Status (1)

Country Link
JP (1) JPH0267218U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089713A (ja) * 1983-10-24 1985-05-20 Nippon Kogaku Kk <Nikon> アブソリユ−ト式ポジシヨンエンコ−ダ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089713A (ja) * 1983-10-24 1985-05-20 Nippon Kogaku Kk <Nikon> アブソリユ−ト式ポジシヨンエンコ−ダ

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