JPH0114914Y2 - - Google Patents
Info
- Publication number
- JPH0114914Y2 JPH0114914Y2 JP6969788U JP6969788U JPH0114914Y2 JP H0114914 Y2 JPH0114914 Y2 JP H0114914Y2 JP 6969788 U JP6969788 U JP 6969788U JP 6969788 U JP6969788 U JP 6969788U JP H0114914 Y2 JPH0114914 Y2 JP H0114914Y2
- Authority
- JP
- Japan
- Prior art keywords
- wall surface
- hollow body
- fisheye lens
- cylinder
- lens
- 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.)
- Expired
Links
- 239000013307 optical fiber Substances 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 description 11
- 238000005286 illumination Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6969788U JPH0114914Y2 (es) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6969788U JPH0114914Y2 (es) | 1988-05-26 | 1988-05-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63200154U JPS63200154U (es) | 1988-12-23 |
JPH0114914Y2 true JPH0114914Y2 (es) | 1989-05-02 |
Family
ID=30910670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6969788U Expired JPH0114914Y2 (es) | 1988-05-26 | 1988-05-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0114914Y2 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006162439A (ja) * | 2004-12-07 | 2006-06-22 | Saga Univ | コンクリート構造物内部の検査装置 |
JP5638195B2 (ja) * | 2008-12-19 | 2014-12-10 | 長野オートメーション株式会社 | 表面検査装置の検査ヘッド |
JP5702257B2 (ja) * | 2011-10-13 | 2015-04-15 | 本田技研工業株式会社 | 穴検査方法及び装置 |
-
1988
- 1988-05-26 JP JP6969788U patent/JPH0114914Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63200154U (es) | 1988-12-23 |
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