JPH0167520U - - Google Patents
Info
- Publication number
- JPH0167520U JPH0167520U JP1987162179U JP16217987U JPH0167520U JP H0167520 U JPH0167520 U JP H0167520U JP 1987162179 U JP1987162179 U JP 1987162179U JP 16217987 U JP16217987 U JP 16217987U JP H0167520 U JPH0167520 U JP H0167520U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- rotation angle
- light source
- slit plate
- 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
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は、この考案の好適な実施例の要部を示
した平面図である。第２図は、この考案の好適な
第１図を示す実施例の斜視図である。
１……光源、２……受光素子群、３……スリツ
ト板、２１〜２６……第６受光素子、３１……透
光部、３２……遮光部。
FIG. 1 is a plan view showing the main parts of a preferred embodiment of this invention. FIG. 2 is a perspective view of a preferred embodiment of the invention shown in FIG. DESCRIPTION OF SYMBOLS 1... Light source, 2... Light receiving element group, 3... Slit plate, 21-26... Sixth light receiving element, 31... Light transmitting part, 32... Light blocking part.
Claims (1)
該受光素子及び前記光源間に介在し、透光部及び
遮光部を互いに所定間隔に配置したスリツト板と
を備えるとともに受光素子の受光変化によつて回
転角を検知する回転角センサに於いて、前記受光
素子は前記スリツト板の透光部に対応して、階段
状に複数個配列したことを特徴とする回転角セン
サ。 a light source; a light-receiving element that receives light from the light source;
A rotation angle sensor that includes a slit plate interposed between the light receiving element and the light source and having a light transmitting part and a light shielding part arranged at a predetermined interval from each other, and detects a rotation angle based on a change in light reception of the light receiving element, A rotation angle sensor characterized in that a plurality of the light receiving elements are arranged in a stepwise manner corresponding to the light transmitting portion of the slit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162179U JPH0167520U (en) | 1987-10-24 | 1987-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162179U JPH0167520U (en) | 1987-10-24 | 1987-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0167520U true JPH0167520U (en) | 1989-05-01 |
Family
ID=31445771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162179U Pending JPH0167520U (en) | 1987-10-24 | 1987-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0167520U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724856A (en) * | 1980-07-23 | 1982-02-09 | Hitachi Ltd | Detecting device for electric motor rotation |
| JPS58135415A (en) * | 1982-02-06 | 1983-08-12 | Fanuc Ltd | Pulse coder |
-
1987
- 1987-10-24 JP JP1987162179U patent/JPH0167520U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724856A (en) * | 1980-07-23 | 1982-02-09 | Hitachi Ltd | Detecting device for electric motor rotation |
| JPS58135415A (en) * | 1982-02-06 | 1983-08-12 | Fanuc Ltd | Pulse coder |