JPH01151243U - - Google Patents
Info
- Publication number
- JPH01151243U JPH01151243U JP4864388U JP4864388U JPH01151243U JP H01151243 U JPH01151243 U JP H01151243U JP 4864388 U JP4864388 U JP 4864388U JP 4864388 U JP4864388 U JP 4864388U JP H01151243 U JPH01151243 U JP H01151243U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- dust
- condensing
- light beam
- distance
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 3
- 238000011179 visual inspection Methods 0.000 claims 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4864388U JPH0633407Y2 (ja) | 1988-04-11 | 1988-04-11 | 粉塵目視装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4864388U JPH0633407Y2 (ja) | 1988-04-11 | 1988-04-11 | 粉塵目視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151243U true JPH01151243U (en:Method) | 1989-10-19 |
| JPH0633407Y2 JPH0633407Y2 (ja) | 1994-08-31 |
Family
ID=31274781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4864388U Expired - Lifetime JPH0633407Y2 (ja) | 1988-04-11 | 1988-04-11 | 粉塵目視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633407Y2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001281127A (ja) * | 2000-03-31 | 2001-10-10 | Tonichi Computer Applications Kk | 粒度分布測定装置及び粒度分布測定方法 |
-
1988
- 1988-04-11 JP JP4864388U patent/JPH0633407Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001281127A (ja) * | 2000-03-31 | 2001-10-10 | Tonichi Computer Applications Kk | 粒度分布測定装置及び粒度分布測定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633407Y2 (ja) | 1994-08-31 |