JPS6257832U - - Google Patents

Info

Publication number
JPS6257832U
JPS6257832U JP15019685U JP15019685U JPS6257832U JP S6257832 U JPS6257832 U JP S6257832U JP 15019685 U JP15019685 U JP 15019685U JP 15019685 U JP15019685 U JP 15019685U JP S6257832 U JPS6257832 U JP S6257832U
Authority
JP
Japan
Prior art keywords
light
light source
detection panel
position detection
wall
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
JP15019685U
Other languages
English (en)
Other versions
JPH0318993Y2 (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 JP15019685U priority Critical patent/JPH0318993Y2/ja
Publication of JPS6257832U publication Critical patent/JPS6257832U/ja
Application granted granted Critical
Publication of JPH0318993Y2 publication Critical patent/JPH0318993Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Description

【図面の簡単な説明】
第1図は、この考案の一実施例を示す平面図、
第2図はこの考案の原理の説明図、第3図は従来
の光学的入力装置の平面図、第4図は第3図の装
置の問題点の説明図である。 1……検出パネル、2……位置検出面、3……
被検出物、a……発光ダイオード、b……フオト
トランジスタ、L,L,L.L……壁、
,l,l,l……内壁、H,H
,H……突起。

Claims (1)

  1. 【実用新案登録請求の範囲】 位置検出面を有する検出パネルと、前記位置検
    出面を挾んで対向して配置された対をなす受光素
    子及び光源とを備え、前記光源からの光が前記検
    出パネルの内壁によつて反射されて前記受光素子
    へ入射する光学的入力装置において、 前記検出パネルの内壁のほぼ中央の前記位置検
    出面側に少なくともd+d/4(dは前記
    光源の幅、dは前記受光素子の幅とする)の長
    さを有する反射防止用の突起を設けたことを特徴
    とする光学的入力装置。
JP15019685U 1985-10-01 1985-10-01 Expired JPH0318993Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15019685U JPH0318993Y2 (ja) 1985-10-01 1985-10-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15019685U JPH0318993Y2 (ja) 1985-10-01 1985-10-01

Publications (2)

Publication Number Publication Date
JPS6257832U true JPS6257832U (ja) 1987-04-10
JPH0318993Y2 JPH0318993Y2 (ja) 1991-04-22

Family

ID=31066117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15019685U Expired JPH0318993Y2 (ja) 1985-10-01 1985-10-01

Country Status (1)

Country Link
JP (1) JPH0318993Y2 (ja)

Also Published As

Publication number Publication date
JPH0318993Y2 (ja) 1991-04-22

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