JPS5866320U - rotation detection device - Google Patents
rotation detection deviceInfo
- Publication number
- JPS5866320U JPS5866320U JP16121281U JP16121281U JPS5866320U JP S5866320 U JPS5866320 U JP S5866320U JP 16121281 U JP16121281 U JP 16121281U JP 16121281 U JP16121281 U JP 16121281U JP S5866320 U JPS5866320 U JP S5866320U
- Authority
- JP
- Japan
- Prior art keywords
- light
- regions
- detection device
- rotating
- region
- 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
- 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図ないし第６図は本考案の第１の実施例を示し、第
１図は概略的な斜視図、第２図は遮光板の平面図、第３
図および第４図は遮光板のそれぞれ互いに異なる具体例
の要部を示す断面図、第５図は遮光板等の回転被検出体
の回転角度位置に対する光検出出力電圧を示すグラフ、
第６図は回路構成の一例を示すブロック回路図である。
第、７図および第８図は本考案の第２実施例を示し、第
７図は概略的な斜視図、第８図は光反射板の平面図であ
る。
１．１１・・・・・・回転軸、２・・・・・・遮光板、
３，１３・・・・・・第１の領域、４，１４・・・・・
・第２の領域、５゜１５・・・・・・中間領域、６，１
６・・・・・・発光ダイオード、７．１７・・・・・・
フォトトランジスタ、１２・・・・・・光反射板。1 to 6 show a first embodiment of the present invention, in which FIG. 1 is a schematic perspective view, FIG. 2 is a plan view of a light shielding plate, and FIG.
4 and 4 are sectional views showing essential parts of different specific examples of the light shielding plate, and FIG. 5 is a graph showing the photodetection output voltage with respect to the rotational angular position of a rotating detected object such as the light shielding plate.
FIG. 6 is a block circuit diagram showing an example of the circuit configuration. 7 and 8 show a second embodiment of the present invention, with FIG. 7 being a schematic perspective view and FIG. 8 being a plan view of the light reflecting plate. 1.11...rotation shaft, 2...shading plate,
3, 13... First area, 4, 14...
・Second area, 5°15...Middle area, 6,1
6... Light emitting diode, 7.17...
Phototransistor, 12... Light reflecting plate.
Claims (1)
又は光反射率を有する第１の領域と、第２の光透過率又
は光反射率を有する第２の領域とを形成し、これらの第
１、第２の領域の境界部分に各領域の中間の光透過率又
は光反射率を有する中間領域を形成し、発光素子から受
光素子に向かう光路中に上記回転ｉ検出体を配設して、
上記各領域を介して得られる透過光又は反射光を検出す
ることにより、上記回転被検出体の回転を検出すること
を特徴とする回転検出装置。A first region having a first light transmittance or light reflectance and a second region having a second light transmittance or light reflectance are formed along the rotational circumferential direction of the rotating detected object. An intermediate region having an intermediate light transmittance or light reflectance between the first and second regions is formed at the boundary between the first and second regions, and the rotating i-detector is placed in the optical path from the light emitting element to the light receiving element. By arranging
A rotation detection device characterized in that the rotation of the rotating object is detected by detecting transmitted light or reflected light obtained through each of the regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16121281U JPS6042328Y2 (en) | 1981-10-30 | 1981-10-30 | rotation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16121281U JPS6042328Y2 (en) | 1981-10-30 | 1981-10-30 | rotation detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5866320U true JPS5866320U (en) | 1983-05-06 |
| JPS6042328Y2 JPS6042328Y2 (en) | 1985-12-26 |
Family
ID=29953589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16121281U Expired JPS6042328Y2 (en) | 1981-10-30 | 1981-10-30 | rotation detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6042328Y2 (en) |
-
1981
- 1981-10-30 JP JP16121281U patent/JPS6042328Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6042328Y2 (en) | 1985-12-26 |
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