JPS60201321A - Image input device - Google Patents
Image input deviceInfo
- Publication number
- JPS60201321A JPS60201321A JP5868684A JP5868684A JPS60201321A JP S60201321 A JPS60201321 A JP S60201321A JP 5868684 A JP5868684 A JP 5868684A JP 5868684 A JP5868684 A JP 5868684A JP S60201321 A JPS60201321 A JP S60201321A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- half mirror
- light
- input device
- image input
- 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
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Abstract
Description
【発明の詳細な説明】
〈発明の技術分野〉
本発明は例えば産業ロボット用の物体認識装置において
、殊に三次元物体の画像化に用いる画像入力装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to an image input device used for imaging a three-dimensional object, particularly in an object recognition device for an industrial robot, for example.
〈発明の背景〉
従来、この種画像入力装置は、第６図に示す如く、テレ
ビカメラ８の視軸８０上にハーフミラ−８１、ハーフミ
ラ−８１の側方に照明用光源８２を備え、一方、物体の
背部に再帰性反射物を配備して同軸照明を利用した画像
入力装置がある。ところが、かかる画像入力装置は、テ
レビカメラ８と照明用光源８２とを至近距離に設定する
必要があり、このため、ハーフミラ−８１を透過した光
がテレビカメラ１に拡散光として作用し、これが入力画
像に悪影響をおよぼし画像の乱れ或いは誤作動の一因を
なしている。<Background of the Invention> Conventionally, this type of image input device includes a half mirror 81 on the visual axis 80 of the television camera 8 and an illumination light source 82 on the side of the half mirror 81, as shown in FIG. There is an image input device that uses coaxial illumination by placing a retroreflector behind an object. However, in such an image input device, it is necessary to set the television camera 8 and the illumination light source 82 at a close distance. Therefore, the light transmitted through the half mirror 81 acts on the television camera 1 as diffused light, and this is inputted. This has an adverse effect on images and is a cause of image disturbances or malfunctions.
〈発明の目的〉
本発明は、ハーフミラ−に対応して透過光吸収体を配備
するだけの簡単な構成により、上記不都合を一挙に解消
し、常に安定した入力画像が得られる新規な画像入力装
置を提供することを目的とする。<Object of the Invention> The present invention is a novel image input device that eliminates the above-mentioned disadvantages at once by simply arranging a transmitted light absorber in correspondence with a half mirror, and provides a new image input device that can always obtain a stable input image. The purpose is to provide
〈実施例の説明〉
第１図は本発明にかかる画像入力装置の基本構成を示し
、物体の画像を得るテレビカメラ１と、該テレビカメラ
１の視軸１０上に傾斜配備されたハーフミラ−２と、光
軸３０を前記テレビカメラの視軸１０と一致すべくハー
フミラー２の一側に対向配備した照明用光源３と、ハー
フミラ−３の他側に配設された透過光吸収手段４とから
成る。<Description of Embodiments> FIG. 1 shows the basic configuration of an image input device according to the present invention, which includes a television camera 1 for obtaining an image of an object, and a half mirror 2 tilted on the visual axis 10 of the television camera 1. , an illumination light source 3 disposed oppositely on one side of the half mirror 2 so that its optical axis 30 coincides with the visual axis 10 of the television camera, and a transmitted light absorbing means 4 disposed on the other side of the half mirror 3. Consists of.
第２図に示す実施例は、光源３および／％−フミラー２
が組込まれたユニットボックス５の内面に透過光吸収手
段４を設けてなり、該吸収手段４は、ハーフミラ−２と
対応するボックス５内壁に対し、例えば光吸収効果の高
い黒色塗料の塗布或いは黒色板、シート材等の吸収体４
１を内張すしたもので、かかるユニットボックス５は取
付金具６にてテレビカメラ１と連設している。第５図は
、テレビカメラ１を支持金具７１にてカバ一体７中に支
持し、該カバ一体７の開口部７２にハーフミラ−２およ
びハーフミラ−の−側に光源３、他側に吸収体４１を配
設した実施例を示す。いずれの実施例も光源３の光源３
０とテレビカメラ１の視軸１０とが一致し、物体に対し
同軸照明が可能な構造となっている。The embodiment shown in FIG.
A transmitted light absorbing means 4 is provided on the inner surface of the unit box 5 in which the half mirror 2 is incorporated. Absorbent body 4 such as a plate or sheet material
The unit box 5 is connected to the television camera 1 through a mounting bracket 6. FIG. 5 shows a TV camera 1 supported in a cover unit 7 by a support fitting 71, a half mirror 2 in an opening 72 of the cover unit 7, a light source 3 on the - side of the half mirror, and an absorber 41 on the other side. An example is shown in which . In both embodiments, the light source 3 of the light source 3
0 and the viewing axis 10 of the television camera 1 coincide with each other, and the structure is such that coaxial illumination of an object is possible.
〈発明の構成および効果〉
本発明は上記の如く、撮像手段の視軸上にバー７ミラー
、該′１−フミラーの一側に照明光源、他側に透過孔の
吸収体を配備したから、同軸照明において、ハーフミラ
−を透過した光は吸収体に吸収され、テレビカメラに対
する拡散光を完全に解消する。従って、この種同軸照明
を用いた画像入力装置において問題とされていた、ハー
フミラ−透過光による入力画像への悪影響が簡単な構成
によ−り除去でき、安定した画像が得られる等、その効
果は顕著である。<Configuration and Effects of the Invention> As described above, the present invention has the bar 7 mirror on the visual axis of the imaging means, the illumination light source on one side of the '1-f mirror, and the absorber with the transmission hole on the other side. In coaxial illumination, the light transmitted through the half mirror is absorbed by the absorber, completely eliminating the diffused light to the television camera. Therefore, the negative influence on the input image due to the light transmitted through the half mirror, which has been a problem with image input devices using this type of coaxial illumination, can be eliminated with a simple configuration, and stable images can be obtained. is remarkable.
第１図は本発明にかかる画像入力装置の構成図、第２図
はその実施例を示す側面図、第３図はその正面図、第４
図は１゛、ｔユニットボックスの内部拡大図、第５図は
他の実施例を示す構造説明図、第６図は従来例の構成図
である。
１・・・・・・テレビカメラ １０・・・・・・視軸２
・・・・・・ハーフミラ−３・・・・・・光源３０・・
・・・・光軸
４・・・・・・透過光吸収手段FIG. 1 is a configuration diagram of an image input device according to the present invention, FIG. 2 is a side view showing an embodiment thereof, FIG. 3 is a front view thereof, and FIG.
Figure 1 is an enlarged internal view of the unit box, Figure 5 is a structural explanatory diagram showing another embodiment, and Figure 6 is a configuration diagram of a conventional example. 1...TV camera 10...Visual axis 2
...Half mirror 3...Light source 30...
...Optical axis 4...Transmitted light absorption means
Claims (1)
に傾斜して配設されたハーフミラ−と、光軸を前記撮像
手段の視軸と一致すべくハーフミラ−の−側に対向配備
された照明手段と、ハーフミラ−の他側に配設された透
過光吸収手段とを具備して成る画像入力装置。an imaging means for obtaining an object image, a half mirror disposed obliquely on the visual axis of the imaging means, and opposed to each other on the - side of the half mirror so that the optical axis coincides with the visual axis of the imaging means. What is claimed is: 1. An image input device comprising: an illumination means provided on the other side of the half mirror; and a transmitted light absorption means disposed on the other side of the half mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5868684A JPS60201321A (en) | 1984-03-26 | 1984-03-26 | Image input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5868684A JPS60201321A (en) | 1984-03-26 | 1984-03-26 | Image input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60201321A true JPS60201321A (en) | 1985-10-11 |
Family
ID=13091431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5868684A Pending JPS60201321A (en) | 1984-03-26 | 1984-03-26 | Image input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60201321A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09211560A (en) * | 1992-11-30 | 1997-08-15 | Nec Corp | Simplified illumination unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220122B2 (en) * | 1972-09-14 | 1977-06-01 |
-
1984
- 1984-03-26 JP JP5868684A patent/JPS60201321A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220122B2 (en) * | 1972-09-14 | 1977-06-01 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09211560A (en) * | 1992-11-30 | 1997-08-15 | Nec Corp | Simplified illumination unit |
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