JPS6262351U

JPS6262351U -

Info

Publication number: JPS6262351U
Application number: JP15342085U
Authority: JP
Priority date: 1985-10-07
Filing date: 1985-10-07
Publication date: 1987-04-17

Description

[Brief explanation of the drawing]

第１図はこの考案の第１実施例の構成図、第２
図はこの考案の第２実施例の構成図、第３図はこ
の考案の第３実施例の構成図、第４図は従来の光
学的入力装置の一例を示す構成図である。１……パネル枠、２……位置検出面、ａ_１〜ａ
_１２……発光ダイオード、ｂ_１〜ｂ_１２……フオ
トトランジスタ、ｃ_１〜ｃ_１２，ｄ_１〜ｄ_１２，
ｅ_１〜ｅ_８，ｆ_１〜ｆ_８，ｇ_１〜ｇ_６……反射鏡
、Ｌ_１〜Ｌ_４……壁。 Figure 1 is a block diagram of the first embodiment of this invention;
FIG. 3 is a block diagram of a second embodiment of this invention, FIG. 3 is a block diagram of a third embodiment of this invention, and FIG. 4 is a block diagram showing an example of a conventional optical input device. 1...Panel frame, 2...Position detection surface, _a1 to a
₁₂ ...Light emitting diode, _b1 - _b12 ...Phototransistor, _c1 - _c12 , _d1 - _d12 ,
e ₁ to e ₈ , f ₁ to f ₈ , g ₁ to _{g 6} ... reflecting mirror, L ₁ to _{L 4} ... wall.

Claims

[Claims for Utility Model Registration] (1) A light source, and an optical path changing means for changing the optical path of the light from the light source that passes over the position detection surface and transmitting the light onto the position detection surface at least once; An optical input device comprising: a light receiving element paired with the light source that receives light transmitted from the optical path changing means and passed on the position detection surface. (2) The optical system according to claim 1, wherein the optical path changing means comprises a reflecting mirror having an inclination of about 45 degrees in a V-shape toward the position detection surface. target input device.