JPH0426312U - - Google Patents
Info
- Publication number
- JPH0426312U JPH0426312U JP6864390U JP6864390U JPH0426312U JP H0426312 U JPH0426312 U JP H0426312U JP 6864390 U JP6864390 U JP 6864390U JP 6864390 U JP6864390 U JP 6864390U JP H0426312 U JPH0426312 U JP H0426312U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- reflective
- hole
- detector
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案に係る検出装置を使用したリー
ル台の裏面図、第２図は第１図で示すテーパ形状
の穴とフオトリフレクタから照射される赤外光と
の関係を示す図、第３図は他の実施例による検出
装置を使用したリール台の裏面図、第４図は直線
的に移動する移動部材に本考案を応用した断面図
、第５図は回転検出装置の構造を説明する側面図
、第６図は従来のリール台を裏面から見た図、第
７図は非反射部として穴を穿設したリールギヤを
示す裏面図、第８図と第９図は、穴を非反射部と
した場合のフオトリフレクタとの関係を示す断面
図である。
１……リール台、２……リール軸、５……フオ
トリフレクタ（検出器）、７……シヤーシ、２３
，３３……リールギヤ、２４，３４，４４……テ
ーパ形状の穴、４３……直線的に移動する移動部
材。
Figure 1 is a back view of a reel stand using the detection device according to the present invention, Figure 2 is a diagram showing the relationship between the tapered hole shown in Figure 1 and the infrared light emitted from the photoreflector, Fig. 3 is a back view of a reel stand using a detection device according to another embodiment, Fig. 4 is a sectional view in which the present invention is applied to a moving member that moves linearly, and Fig. 5 explains the structure of the rotation detection device. 6 is a back view of a conventional reel stand, FIG. 7 is a back view showing a reel gear with holes as non-reflective parts, and FIGS. 8 and 9 are views with holes made as non-reflective parts. FIG. 3 is a cross-sectional view showing the relationship with a photoreflector when used as a reflecting portion. 1... Reel stand, 2... Reel shaft, 5... Photo reflector (detector), 7... Chassis, 23
, 33... Reel gear, 24, 34, 44... Tapered hole, 43... Moving member that moves linearly.
Claims (1)
が設けられ、前記部材と相対移動する移動部材に
前記検出器に対向して移動する反射部ならびに非
反射部が交互に形成されている検出装置であつて
、前記非反射部は前記発光部からの光を通過させ
る穴であり、この穴の内周面は発光部からの光の
拡散方向に沿う傾斜面となつていることを特徴と
する移動体の検出装置。 Detection in which one member is provided with a detector having a light emitting part and a light receiving part, and a moving member that moves relative to the member has reflective parts and non-reflective parts that move opposite to the detector alternately formed. The device is characterized in that the non-reflective portion is a hole through which light from the light emitting portion passes, and the inner peripheral surface of the hole is an inclined surface along the direction of diffusion of light from the light emitting portion. A detection device for moving objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6864390U JPH0426312U (en) | 1990-06-26 | 1990-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6864390U JPH0426312U (en) | 1990-06-26 | 1990-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426312U true JPH0426312U (en) | 1992-03-02 |
Family
ID=31603255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6864390U Pending JPH0426312U (en) | 1990-06-26 | 1990-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047997A (en) * | 1996-04-30 | 1998-02-20 | Daewoo Electron Co Ltd | Noncontact type mode sensing device |
-
1990
- 1990-06-26 JP JP6864390U patent/JPH0426312U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047997A (en) * | 1996-04-30 | 1998-02-20 | Daewoo Electron Co Ltd | Noncontact type mode sensing device |