JPH01140120U - - Google Patents
Info
- Publication number
- JPH01140120U JPH01140120U JP3683488U JP3683488U JPH01140120U JP H01140120 U JPH01140120 U JP H01140120U JP 3683488 U JP3683488 U JP 3683488U JP 3683488 U JP3683488 U JP 3683488U JP H01140120 U JPH01140120 U JP H01140120U
- Authority
- JP
- Japan
- Prior art keywords
- section
- reflectance
- light
- light emitting
- light receiving
- 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
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案に係る反射板の一実施例を示す
平面図、第２図は第１図における―拡大断面
図、第３図は要部拡大平面図、第４図は発光部と
受光部とを結ぶ線の溝と連なる方向とのなす角度
を可変したときの低反射率部の反射率の変化を示
すグラフ、第５図は従来の一般的な反射板及びフ
オトセンサを模式的に示す図、第６図は他の従来
例の低反射率部を示す側面図である。
１０……反射板、１１……低反射率部、１４…
…高反射率部、１５……発光ダイオード、１６…
…フオトトランジスタ、１７……フオトセンサ、
１８……溝。
Fig. 1 is a plan view showing an embodiment of the reflector according to the present invention, Fig. 2 is an enlarged sectional view of Fig. 1, Fig. 3 is an enlarged plan view of the main part, and Fig. 4 is a light emitting part and a light receiving part. A graph showing the change in reflectance of a low reflectance part when the angle between the groove and the continuous direction of the line connecting the parts is varied. Figure 5 schematically shows a conventional general reflector and photo sensor. 6 are side views showing another conventional example of a low reflectance section. 10...Reflection plate, 11...Low reflectance section, 14...
...High reflectance section, 15... Light emitting diode, 16...
...Phototransistor, 17...Photosensor,
18...Groove.
Claims (1)
と対向する面に高反射率部と低反射率部とが設け
られ、上記発光部から出射される光をこれら高反
射率部と低反射率部の各所定の反射率で上記受光
素子に反射する反射板であつて、 上記低反射率部に、上記発光部と受光部とを結
ぶ線に対して所定の角度で斜交する方向に連なる
断面山形の複数の溝を設けたことを特徴とする反
射板。[Claims for Utility Model Registration] A high reflectance section and a low reflectance section are provided on a surface facing a reflective photo sensor consisting of a light emitting section and a light receiving section, and the light emitted from the light emitting section is reflected by these high reflectance sections. A reflector that reflects the light to the light receiving element at a predetermined reflectance of a high reflectance section and a low reflectance section, the low reflectance section having a reflectance at a predetermined angle with respect to a line connecting the light emitting section and the light receiving section. A reflector plate characterized by having a plurality of grooves having a chevron-shaped cross section connected in diagonal directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3683488U JPH01140120U (en) | 1988-03-19 | 1988-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3683488U JPH01140120U (en) | 1988-03-19 | 1988-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01140120U true JPH01140120U (en) | 1989-09-26 |
Family
ID=31263423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3683488U Pending JPH01140120U (en) | 1988-03-19 | 1988-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01140120U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6151178B2 (en) * | 1978-12-06 | 1986-11-07 | Kayaba Industry Co Ltd |
-
1988
- 1988-03-19 JP JP3683488U patent/JPH01140120U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6151178B2 (en) * | 1978-12-06 | 1986-11-07 | Kayaba Industry Co Ltd |