JPS61189253U - - Google Patents
Info
- Publication number
- JPS61189253U JPS61189253U JP7312985U JP7312985U JPS61189253U JP S61189253 U JPS61189253 U JP S61189253U JP 7312985 U JP7312985 U JP 7312985U JP 7312985 U JP7312985 U JP 7312985U JP S61189253 U JPS61189253 U JP S61189253U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- utility
- model registration
- light
- lighting device
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図：本考案の実施例の断面図とシステム全
体を示す概略構成図。第２図：本考案の実施例の
平面図。第３図：本考案の実施例で用いられる遮
光部材の斜視図。第４図：同上の要部断面図。第
５図：従来例の概略構成図。
１：円環状光源、２：反射部材、３：透過型の
光拡散部材、４：反射型の光拡散部材、５：部分
遮光部材、１０：対象物としての錠剤、２１：撮
像カメラ。
FIG. 1: A sectional view of an embodiment of the present invention and a schematic configuration diagram showing the entire system. FIG. 2: A plan view of an embodiment of the present invention. FIG. 3: A perspective view of a light shielding member used in an embodiment of the present invention. Figure 4: A sectional view of the main parts of the same as above. FIG. 5: Schematic configuration diagram of a conventional example. 1: Annular light source, 2: Reflective member, 3: Transmissive light diffusing member, 4: Reflective light diffusing member, 5: Partial light shielding member, 10: Tablet as object, 21: Imaging camera.
Claims (1)
向から観測するために照明する装置において、 ａ 前記対象物と観測装置との中間に配置され
、前記対象物と前記観測装置とを結ぶ線をほぼ中
心軸とする円環状光源と、 ｂ 該円環状光源の中心空間に、中心軸を前記
光源の中心軸にほぼ一致させて配置された、光拡
散性を有する透光性円筒部材と、 ｃ 該透光性円筒部材の前記観測装置側開口部
を閉鎖するように設けられ、前記対象物側に反射
面を、中心部に中空部をもつ反射部材と、 ｄ 前記光源と前記透光性円筒部材との間に配
置され、前記光源からの光の一部方向のもののみ
を部分的に遮光する部分遮光部材と を備えてなることを特徴とする照明装置。 ２ 実用新案登録請求の範囲第１項記載のものに
おいて、部分遮光部材が、遮光範囲を可変に構成
されたものであることを特徴とする照明装置。 ３ 実用新案登録請求の範囲第１項または第２項
記載のものにおいて、反射部材の反射面が、光拡
散性を有することを特徴とする照明装置。 ４ 実用新案登録請求の範囲第１項ないし第３項
のいずれかの項に記載のものにおいて、円環状光
源が、円環状発光体と、該発光体の外側に設置さ
れる円筒状の反射部材とから構成されたものであ
ることを特徴とする照明装置。 ５ 実用新案登録請求の範囲第１項ないし第４項
のいずれかの項に記載のものにおいて、円環状光
源が、放電発光管であることを特徴とする照明装
置。[Claims for Utility Model Registration] 1. A device for illuminating a curved surface of an object to observe it from a direction substantially normal to the surface, a. an annular light source whose central axis is approximately the line connecting the object and the observation device; b. a light diffusive light source disposed in the central space of the annular light source with its central axis approximately coinciding with the central axis of the light source; c) a reflective member provided to close the opening on the observation device side of the transparent cylindrical member, having a reflective surface on the object side and a hollow portion in the center; d. An illumination comprising: a partial light shielding member disposed between the light source and the translucent cylindrical member, which partially blocks light from the light source in only one direction. Device. 2. A lighting device according to claim 1 of the utility model registration, characterized in that the partial light shielding member is configured to have a variable light shielding range. 3. The lighting device according to claim 1 or 2 of the utility model registration, characterized in that the reflective surface of the reflective member has light diffusing properties. 4. In the utility model registration claimed in any one of claims 1 to 3, the annular light source comprises an annular light emitting body and a cylindrical reflecting member installed outside the light emitting body. A lighting device comprising: 5. The lighting device according to any one of claims 1 to 4 of the utility model registration claim, wherein the annular light source is a discharge luminous tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7312985U JPH0342356Y2 (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7312985U JPH0342356Y2 (en) | 1985-05-17 | 1985-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61189253U true JPS61189253U (en) | 1986-11-26 |
| JPH0342356Y2 JPH0342356Y2 (en) | 1991-09-05 |
Family
ID=30612201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7312985U Expired JPH0342356Y2 (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342356Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011089869A (en) * | 2009-10-22 | 2011-05-06 | Rozefu Technol:Kk | Lighting system for image processing |
-
1985
- 1985-05-17 JP JP7312985U patent/JPH0342356Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011089869A (en) * | 2009-10-22 | 2011-05-06 | Rozefu Technol:Kk | Lighting system for image processing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0342356Y2 (en) | 1991-09-05 |