JPS6185U - Object detection device using light - Google Patents
Object detection device using lightInfo
- Publication number
- JPS6185U JPS6185U JP8492884U JP8492884U JPS6185U JP S6185 U JPS6185 U JP S6185U JP 8492884 U JP8492884 U JP 8492884U JP 8492884 U JP8492884 U JP 8492884U JP S6185 U JPS6185 U JP S6185U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detection device
- object detection
- grooves
- area
- 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
- Geophysics And Detection Of Objects (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
【図面の簡単な説明】
第１図は本考案の実施例の外観斜視歯、第２図は本考案
の実施例の上面図、第３図は第１図示装置を自動車のボ
ンネット２０上に装着した状態を横から見た図、第４図
は受光部１０の実施例の要部ブロック図、第５図は受光
ブロック１１の★施例の要部ブロック図、第６図は本考
案の原理説明図、第７図は本考案の効果の説明図、第８
図は従来装置の説明図である。
１０は発光部、１１は受光部、１２．１３は反射板、１
２ａ〜ｌ２ｅ，１３ａ〜ｌ３ｆは鏡面加工された斜面を
有する溝である。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a perspective view of the external appearance of the embodiment of the present invention, Fig. 2 is a top view of the embodiment of the present invention, and Fig. 3 is the device shown in Fig. 1 mounted on the bonnet 20 of an automobile. FIG. 4 is a block diagram of the essential parts of the embodiment of the light receiving block 10, FIG. 5 is a block diagram of the essential parts of the embodiment of the light receiving block 11, and FIG. 6 is the principle of the present invention. Explanatory drawing, Fig. 7 is an explanatory drawing of the effect of the present invention, Fig. 8
The figure is an explanatory diagram of a conventional device. 10 is a light emitting part, 11 is a light receiving part, 12.13 is a reflecting plate, 1
2a to 12e and 13a to 13f are grooves having mirror-finished slopes.
Claims (1)
つの反射板間で反射を繰返させながら受光部まで導き、
該受光出力を処理して前記検出預領域内に進入した物体
の有無を識別する光を用いた物体検出装置において、前
記二つの反射板は、側面の長手力向に互いに平行な複数
個の溝が同ブピツチで連続して形成され、各溝の鏡面加
工された斜面は対向する斜面とほぼ直角の角度を為し、
前記溝が形成された側面が互いに対向するように配置さ
れて成ることを特徴とする光を用いた物体検出装置。The light emitted from the light emitting part is repeatedly reflected between two reflecting plates facing each other with the detection area in between, and guided to the light receiving part.
In the object detection device that uses light to process the received light output and identify the presence or absence of an object that has entered the detection deposit area, the two reflectors include a plurality of grooves parallel to each other in the longitudinal direction of the side surface. are continuously formed at the same pitch, and the mirror-finished slopes of each groove form an angle almost perpendicular to the opposing slope.
An object detection device using light, characterized in that the side surfaces on which the grooves are formed are arranged so as to face each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8492884U JPS6185U (en) | 1984-06-06 | 1984-06-06 | Object detection device using light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8492884U JPS6185U (en) | 1984-06-06 | 1984-06-06 | Object detection device using light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6185U true JPS6185U (en) | 1986-01-06 |
Family
ID=30634856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8492884U Pending JPS6185U (en) | 1984-06-06 | 1984-06-06 | Object detection device using light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6185U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538247B2 (en) * | 1974-06-07 | 1978-03-27 |
-
1984
- 1984-06-06 JP JP8492884U patent/JPS6185U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538247B2 (en) * | 1974-06-07 | 1978-03-27 |
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