JPH0360019U - - Google Patents
Info
- Publication number
- JPH0360019U JPH0360019U JP12018689U JP12018689U JPH0360019U JP H0360019 U JPH0360019 U JP H0360019U JP 12018689 U JP12018689 U JP 12018689U JP 12018689 U JP12018689 U JP 12018689U JP H0360019 U JPH0360019 U JP H0360019U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- light
- light emitting
- emitting element
- slits
- 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 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は、この考案の一実施例に係るロータリ
ーエンコーダの固定スリツト板のスリツト配置領
域を拡大して示す図、第２図は、投光素子の性質
を説明する図、第３図は、一般的なロータリーエ
ンコーダの構成を説明する図、第４図は、従来の
ロータリーエンコーダの固定スリツト板のスリツ
ト配置領域を拡大して示す図である。
２……投光素子、３……固定スリツト板、３ａ
……スリツト配置領域、４ａ，６ａ……主信号用
スリツト、４ｂ，６ｂ……原点信号用スリツト、
５……回転スリツト板、８……受光素子、Ａ……
光安定領域、Ｂ……照射領域。
FIG. 1 is an enlarged view showing the slit arrangement area of the fixed slit plate of a rotary encoder according to an embodiment of the invention, FIG. 2 is a view explaining the properties of the light projecting element, and FIG. FIG. 4, which is a diagram illustrating the configuration of a general rotary encoder, is an enlarged view showing a slit arrangement area of a fixed slit plate of a conventional rotary encoder. 2...Light emitter, 3...Fixed slit plate, 3a
...Slit arrangement area, 4a, 6a...Slit for main signal, 4b, 6b...Slit for origin signal,
5... Rotating slit plate, 8... Light receiving element, A...
Photostable region, B...irradiation region.
Claims (1)
光素子と、この投光素子と受光素子との間に固定
され、スリツト配置領域にスリツトを配置してな
る固定スリツト板と、前記投光素子と受光素子と
の間に設けられ、その運動方向にスリツトを列設
してなる可動スリツト板とを備えてなる光学式エ
ンコーダにおいて、 前記固定スリツト板のスリツトのうち、スリツ
ト配置領域の周辺部のスリツトの長さを短くし、
前記投光素子の光出力が安定している領域内に各
スリツトを収めたことを特徴とする光学式エンコ
ーダ。[Claims for Utility Model Registration] A light emitting element, a light receiving element that receives light from the light emitting element, and a slit fixed between the light emitting element and the light receiving element, with a slit arranged in the slit arrangement area. An optical encoder comprising a fixed slit plate and a movable slit plate provided between the light emitting element and the light receiving element and having slits arranged in a direction of movement thereof, wherein the slits of the fixed slit plate are Among them, the length of the slits at the periphery of the slit placement area is shortened,
An optical encoder characterized in that each slit is located within a region where the light output of the light projecting element is stable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12018689U JPH0360019U (en) | 1989-10-14 | 1989-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12018689U JPH0360019U (en) | 1989-10-14 | 1989-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360019U true JPH0360019U (en) | 1991-06-13 |
Family
ID=31668273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12018689U Pending JPH0360019U (en) | 1989-10-14 | 1989-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4816988B1 (en) * | 2011-02-10 | 2011-11-16 | 株式会社安川電機 | Encoder, optical module and servo system |
| WO2016092639A1 (en) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | Encoder and encoder-equipped motor |
| WO2016092638A1 (en) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | Encoder and encoder-equipped motor |
-
1989
- 1989-10-14 JP JP12018689U patent/JPH0360019U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4816988B1 (en) * | 2011-02-10 | 2011-11-16 | 株式会社安川電機 | Encoder, optical module and servo system |
| WO2016092639A1 (en) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | Encoder and encoder-equipped motor |
| WO2016092638A1 (en) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | Encoder and encoder-equipped motor |
| JP6010876B1 (en) * | 2014-12-09 | 2016-10-19 | 株式会社安川電機 | Encoder and motor with encoder |