JPH0355515U - - Google Patents
Info
- Publication number
- JPH0355515U JPH0355515U JP11520489U JP11520489U JPH0355515U JP H0355515 U JPH0355515 U JP H0355515U JP 11520489 U JP11520489 U JP 11520489U JP 11520489 U JP11520489 U JP 11520489U JP H0355515 U JPH0355515 U JP H0355515U
- Authority
- JP
- Japan
- Prior art keywords
- rotating disk
- slit
- emitting element
- light emitting
- element arranged
- 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
- 230000005540 biological transmission Effects 0.000 description 2
Landscapes
- Character Spaces And Line Spaces In Printers (AREA)
- Optical Transform (AREA)
Description
第１図は第２図におけるＡ−Ａ線の断面図、第
２図は本考案の回転円板と透過型センサの平面図
と側面図、第３図はそのプリンタの平面図、第４
図は本考案と従来の透過型センサにおけるフオト
トランジスタの出力電圧と時間との関係を示す図
、第５図は本考案のスリツトの他の実施例を示す
第１図相当の断面図である。
図中、５……モータ軸、１０……回転円板、１
１……スリツト、１２ａ……発光素子（フオトダ
イオード）、１２ｂ……受光素子（フオトトラン
ジスタ）、１３……内壁である。
Fig. 1 is a cross-sectional view taken along line A-A in Fig. 2, Fig. 2 is a plan view and side view of the rotating disk and transmission type sensor of the present invention, Fig. 3 is a plan view of the printer, and Fig. 4 is a sectional view taken along line A-A in Fig. 2.
The figure shows the relationship between the output voltage of a phototransistor and time in the present invention and a conventional transmission type sensor, and FIG. 5 is a sectional view corresponding to FIG. 1 showing another embodiment of the slit of the present invention. In the figure, 5...Motor shaft, 10...Rotating disk, 1
1... Slit, 12a... Light emitting element (photodiode), 12b... Light receiving element (phototransistor), 13... Inner wall.
Claims (1)
数のスリツトが設けられた回転円板と、 前記スリツトに対向して前記回転円板の一方の
面に配置された発光素子と、 前記回転円板の反対の面に、前記スリツトを通
して前記発光素子の出力光を受光する位置に配置
された受光素子とからなるフオトエンコーダにお
いて、 前記スリツトの内壁の少なくとも一方が前記軸
の軸線方向に対して一定の角度をもつていること
を特徴とするフオトエンコーダ。[Claims for Utility Model Registration] A rotating disk whose center is directly connected to an axis and has a large number of slits along the circumference at its periphery, and one surface of the rotating disk opposite to the slits. A photo encoder comprising a light emitting element arranged and a light receiving element arranged on the opposite surface of the rotating disk at a position to receive the output light of the light emitting element through the slit, at least one of the inner walls of the slit. has a constant angle with respect to the axial direction of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11520489U JPH0355515U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11520489U JPH0355515U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0355515U true JPH0355515U (en) | 1991-05-29 |
Family
ID=31663542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11520489U Pending JPH0355515U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355515U (en) |
-
1989
- 1989-09-29 JP JP11520489U patent/JPH0355515U/ja active Pending