JPS6033614U

JPS6033614U - optical encoder

Info

Publication number: JPS6033614U
Application number: JP12581683U
Authority: JP
Inventors: 岸本　史郎
Original assignee: 三菱電機株式会社
Priority date: 1983-08-12
Filing date: 1983-08-12
Publication date: 1985-03-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来における光学式エンコーダの構成図、第２
図は同じ（回路図、第３図は従来の欠点を説明するため
の回転円板の図、第４図は動作説明のための波形図、第
５図ａはこの考案による回転円板の部分図、ｂは同じく
遮光板の部分図である。２・・・・・・回転円板、４・・・・・・窓孔、５・・
・・・・遮光板、５ａ・・・・・・スリット孔、６・・
・・・・ダイオード、７・・・・・・ホトトランジスタ
。なお、図中、同一符号は同−又は相当部分を示す。Figure 1 is a configuration diagram of a conventional optical encoder;
The figures are the same (circuit diagram, Figure 3 is a diagram of the rotating disk to explain the drawbacks of the conventional method, Figure 4 is a waveform diagram to explain the operation, and Figure 5a is a part of the rotating disk according to this invention. Figures and b are also partial views of the light shielding plate. 2... Rotating disk, 4... Window hole, 5...
... Light shielding plate, 5a ... Slit hole, 6...
...Diode, 7...Phototransistor. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In an optical encoder comprising a rotating disk having a window hole in the middle of the optical path of a pair of light emitting element and light receiving element, and a light shielding plate having a slider hole communicating with the window hole, An optical encoder characterized in that either the window hole width or the slit hole width of the light shielding plate is narrowed.