JPH0419494Y2 - - Google Patents
Info
- Publication number
- JPH0419494Y2 JPH0419494Y2 JP8600286U JP8600286U JPH0419494Y2 JP H0419494 Y2 JPH0419494 Y2 JP H0419494Y2 JP 8600286 U JP8600286 U JP 8600286U JP 8600286 U JP8600286 U JP 8600286U JP H0419494 Y2 JPH0419494 Y2 JP H0419494Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotating disk
- paper
- reflected light
- detection part
- center
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000006059 cover glass Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
Landscapes
- Spectrometry And Color Measurement (AREA)
- 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 |
|---|---|---|---|
| JP8600286U JPH0419494Y2 (en]) | 1986-06-05 | 1986-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8600286U JPH0419494Y2 (en]) | 1986-06-05 | 1986-06-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62197056U JPS62197056U (en]) | 1987-12-15 |
| JPH0419494Y2 true JPH0419494Y2 (en]) | 1992-05-01 |
Family
ID=30941917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8600286U Expired JPH0419494Y2 (en]) | 1986-06-05 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419494Y2 (en]) |
-
1986
- 1986-06-05 JP JP8600286U patent/JPH0419494Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62197056U (en]) | 1987-12-15 |
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