JPH043495B2 - - Google Patents
Info
- Publication number
- JPH043495B2 JPH043495B2 JP1562383A JP1562383A JPH043495B2 JP H043495 B2 JPH043495 B2 JP H043495B2 JP 1562383 A JP1562383 A JP 1562383A JP 1562383 A JP1562383 A JP 1562383A JP H043495 B2 JPH043495 B2 JP H043495B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting mirror
- pinhole
- elliptical
- receiving element
- 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
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N21/57—Measuring gloss
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1562383A JPS59141041A (ja) | 1983-02-01 | 1983-02-01 | 光沢検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1562383A JPS59141041A (ja) | 1983-02-01 | 1983-02-01 | 光沢検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59141041A JPS59141041A (ja) | 1984-08-13 |
| JPH043495B2 true JPH043495B2 (enrdf_load_stackoverflow) | 1992-01-23 |
Family
ID=11893832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1562383A Granted JPS59141041A (ja) | 1983-02-01 | 1983-02-01 | 光沢検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59141041A (enrdf_load_stackoverflow) |
-
1983
- 1983-02-01 JP JP1562383A patent/JPS59141041A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59141041A (ja) | 1984-08-13 |