JPS63111707U - - Google Patents
Info
- Publication number
- JPS63111707U JPS63111707U JP287387U JP287387U JPS63111707U JP S63111707 U JPS63111707 U JP S63111707U JP 287387 U JP287387 U JP 287387U JP 287387 U JP287387 U JP 287387U JP S63111707 U JPS63111707 U JP S63111707U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- lighting device
- line
- varied
- utility
- 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
- 238000004804 winding Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案の一実施例に係る照明装置の平
面図、第２図は第１図の装置の軸方向の照度分布
の模式的説明図、第３図は第１図の照明装置を使
用した製品の表面欠陥検査装置の構成を模式的に
示した斜視図、第４図は従来の照明装置を使用し
た製品の表面欠陥検査装置の概略構成を示す側面
図である。
符号の説明、１…照明装置、２…照明用アダプ
タ、３…管、４…フイラメント、７…ラインカメ
ラ、Ｐ…巻きピツチ。
FIG. 1 is a plan view of a lighting device according to an embodiment of the present invention, FIG. 2 is a schematic explanatory diagram of the illuminance distribution in the axial direction of the device shown in FIG. 1, and FIG. FIG. 4 is a perspective view schematically showing the structure of the product surface defect inspection apparatus used, and FIG. 4 is a side view schematically showing the structure of the product surface defect inspection apparatus using a conventional illumination device. Explanation of the symbols: 1...Lighting device, 2...Lighting adapter, 3...Tube, 4...Filament, 7...Line camera, P...Wind pitch.
Claims (1)
装置において、上記フイラメントの巻きピツチを
ライン方向に変化させて成ることを特徴とする照
明装置。 1. A lighting device having a filament arranged in a line, characterized in that the winding pitch of the filament is varied in the line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP287387U JPS63111707U (en) | 1987-01-14 | 1987-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP287387U JPS63111707U (en) | 1987-01-14 | 1987-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63111707U true JPS63111707U (en) | 1988-07-18 |
Family
ID=30782116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP287387U Pending JPS63111707U (en) | 1987-01-14 | 1987-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111707U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838960U (en) * | 1971-09-10 | 1973-05-15 |
-
1987
- 1987-01-14 JP JP287387U patent/JPS63111707U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838960U (en) * | 1971-09-10 | 1973-05-15 |