JPS6122243Y2 - - Google Patents
Info
- Publication number
- JPS6122243Y2 JPS6122243Y2 JP7366381U JP7366381U JPS6122243Y2 JP S6122243 Y2 JPS6122243 Y2 JP S6122243Y2 JP 7366381 U JP7366381 U JP 7366381U JP 7366381 U JP7366381 U JP 7366381U JP S6122243 Y2 JPS6122243 Y2 JP S6122243Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- scale
- lens
- light source
- output
- 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 8
- 230000001427 coherent effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000010363 phase shift Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7366381U JPS6122243Y2 (enrdf_load_stackoverflow) | 1981-05-21 | 1981-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7366381U JPS6122243Y2 (enrdf_load_stackoverflow) | 1981-05-21 | 1981-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57185917U JPS57185917U (enrdf_load_stackoverflow) | 1982-11-25 |
| JPS6122243Y2 true JPS6122243Y2 (enrdf_load_stackoverflow) | 1986-07-04 |
Family
ID=29869436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7366381U Expired JPS6122243Y2 (enrdf_load_stackoverflow) | 1981-05-21 | 1981-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6122243Y2 (enrdf_load_stackoverflow) |
-
1981
- 1981-05-21 JP JP7366381U patent/JPS6122243Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57185917U (enrdf_load_stackoverflow) | 1982-11-25 |
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