JPS5941713U - Rotation angle detection device - Google Patents
Rotation angle detection deviceInfo
- Publication number
- JPS5941713U JPS5941713U JP13757382U JP13757382U JPS5941713U JP S5941713 U JPS5941713 U JP S5941713U JP 13757382 U JP13757382 U JP 13757382U JP 13757382 U JP13757382 U JP 13757382U JP S5941713 U JPS5941713 U JP S5941713U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- light
- group
- slit group
- 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.)
- Granted
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
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
第１図は従来の回転角度検出装置を示す概略構造図、第
２図は第１図の回転板を示す平面図、第３図は第１図の
スリット板の平面図、第４図は第１図の作動を示す説明
図、第５図はこの考案の一実施例による回転角度検出装
置のスリット板を示す平面図、第６図は同実施例の作動
を示す説明図である。
１・・・・・・回転シャフト、２・・・・・・回転板、
３・・・・・・発光素子、４・・・・・・受光素子、５
・・・・・・信号処理回路、６．７・・・・・・スリッ
ト板、ａ、 １０． １１−−−−−−スリットＩＪ
、８ａ、 １０ａ、 １１ａ−・−スリット。なお
、図中同一符号は同一または相当部分を示す。Fig. 1 is a schematic structural diagram showing a conventional rotation angle detection device, Fig. 2 is a plan view showing the rotary plate shown in Fig. 1, Fig. 3 is a plan view of the slit plate shown in Fig. 1, and Fig. 4 is a plan view showing the rotary plate shown in Fig. 1. FIG. 5 is a plan view showing a slit plate of a rotation angle detecting device according to an embodiment of the invention, and FIG. 6 is an explanatory diagram showing the operation of the same embodiment. 1... Rotating shaft, 2... Rotating plate,
3... Light emitting element, 4... Light receiving element, 5
......Signal processing circuit, 6.7...Slit plate, a, 10. 11------Slit IJ
, 8a, 10a, 11a--Slit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
の周方向に沿って多数のスリットを形成してなる第１の
スリット群と、この第１のスリット群に対向して配設さ
れた発光素子と、この発光素子からの光を上記第１のス
リット群を介して受光する受光素子と、この受光素子か
らの信号を処理して上記回転シャフトの角度を検出する
信号処理回路と、上記回転板と発光素子または受光素子
との間に配設されて、上記第１のスリット群に対向しか
つ、第１のスリット群の各スリットに近似した形状の多
数のスリットからなる第２のスリット群を有するスリッ
ト板とを具備し、上記第２のスリット群を上記第１のス
リット群より疎に配列してなる回転角度検出装置。A rotating plate that rotates integrally with the rotating shaft, a first slit group formed by forming a large number of slits along the circumferential direction of the rotating plate, and a first slit group disposed opposite to the first slit group. a light-emitting element; a light-receiving element that receives light from the light-emitting element through the first slit group; a signal processing circuit that processes a signal from the light-receiving element to detect the angle of the rotating shaft; A second slit, which is disposed between the rotary plate and the light emitting element or the light receiving element, faces the first slit group, and is composed of a large number of slits having a shape similar to each slit in the first slit group. and a slit plate having a group of slits, wherein the second slit group is arranged more sparsely than the first slit group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13757382U JPS5941713U (en) | 1982-09-08 | 1982-09-08 | Rotation angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13757382U JPS5941713U (en) | 1982-09-08 | 1982-09-08 | Rotation angle detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5941713U true JPS5941713U (en) | 1984-03-17 |
| JPS641602Y2 JPS641602Y2 (en) | 1989-01-13 |
Family
ID=30308964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13757382U Granted JPS5941713U (en) | 1982-09-08 | 1982-09-08 | Rotation angle detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941713U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554592A (en) * | 1978-06-15 | 1980-01-14 | Heidenhain Gmbh Dr Johannes | System for measuring length and angle in terms of photoelectric increment |
| JPS5641208U (en) * | 1979-09-06 | 1981-04-16 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641208B2 (en) * | 1973-04-26 | 1981-09-26 |
-
1982
- 1982-09-08 JP JP13757382U patent/JPS5941713U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554592A (en) * | 1978-06-15 | 1980-01-14 | Heidenhain Gmbh Dr Johannes | System for measuring length and angle in terms of photoelectric increment |
| JPS5641208U (en) * | 1979-09-06 | 1981-04-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641602Y2 (en) | 1989-01-13 |
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