JPH0471115U - - Google Patents
Info
- Publication number
- JPH0471115U JPH0471115U JP11458590U JP11458590U JPH0471115U JP H0471115 U JPH0471115 U JP H0471115U JP 11458590 U JP11458590 U JP 11458590U JP 11458590 U JP11458590 U JP 11458590U JP H0471115 U JPH0471115 U JP H0471115U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- plate
- transparent hole
- optical encoder
- rows
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の一実施例の構成図、第２図お
よび第３図は遮光板の構成を示した図、第４図は
従来における光学式エンコーダの構成例を示した
図、第５図はスリツト板の構成を示した図、第６
図は第４図のエンコーダ生じる光の反射を示した
図である。
２……スリツト板、５…ＬＥＤ、６……ＰＤＡ
、９……Ｆ／Ｖ変換器、１１……遮光板、１１１
，１１１１，１１１２，１１１３……透光穴。
Fig. 1 is a block diagram of an embodiment of the present invention, Figs. 2 and 3 are diagrams showing the structure of a light shielding plate, Fig. 4 is a diagram showing an example of the structure of a conventional optical encoder, and Fig. 5 The figure shows the structure of the slit plate, No. 6.
The figure is a diagram showing the reflection of light caused by the encoder of FIG. 4. 2...Slit plate, 5...LED, 6...PDA
, 9... F/V converter, 11... Light shielding plate, 111
, 111 1 , 111 2 , 111 3 ...transparent hole.
Claims (1)
て、各スリツト列のスリツトを通過した光の検出
信号をもとに前記スリツト板の移動速度を検出す
る光学式エンコーダにおいて、 発光素子とスリツト板の間に配置されていて、
いずれか１つのスリツト列のみに対向する透光穴
を有し、この透光穴は各スリツト列ごとに形成さ
れていて、各透光穴の形成位置はスリツトの配列
方向について異なる位置になつている遮光板を具
備したことを特徴とする光学式エンコーダ。[Claims for Utility Model Registration] In an optical encoder in which a plurality of slit rows are formed on a slit plate, and the moving speed of the slit plate is detected based on a detection signal of light passing through the slits of each slit row. , placed between the light emitting element and the slit plate,
It has a transparent hole that faces only one of the slit rows, and this transparent hole is formed for each slit row, and the formation position of each transparent hole is at a different position in the slit arrangement direction. An optical encoder characterized by being equipped with a light shielding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11458590U JPH0471115U (en) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11458590U JPH0471115U (en) | 1990-10-31 | 1990-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471115U true JPH0471115U (en) | 1992-06-24 |
Family
ID=31862287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11458590U Pending JPH0471115U (en) | 1990-10-31 | 1990-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471115U (en) |
-
1990
- 1990-10-31 JP JP11458590U patent/JPH0471115U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6013449U (en) | Structure of smoke detection part of scattered light smoke detector | |
| JPH0471115U (en) | ||
| JPH054112Y2 (en) | ||
| JPH01164432U (en) | ||
| JPH02107022U (en) | ||
| JPH0348718U (en) | ||
| JPH0217690U (en) | ||
| JPH0237395U (en) | ||
| JPH02113186U (en) | ||
| JPS6365005U (en) | ||
| JPH01107918U (en) | ||
| JPS6284038U (en) | ||
| JPS6176310U (en) | ||
| JPS6375883U (en) | ||
| JPS63195319U (en) | ||
| JPH0275521U (en) | ||
| JPS60158111U (en) | rotation angle sensor | |
| JPH0166617U (en) | ||
| JPH0161615U (en) | ||
| JPS63100244U (en) | ||
| JPH0164735U (en) | ||
| JPS63190915U (en) | ||
| JPH03101420U (en) | ||
| JPH0477190U (en) | ||
| JPH0255168U (en) |