JPH02110803U - - Google Patents
Info
- Publication number
- JPH02110803U JPH02110803U JP1880889U JP1880889U JPH02110803U JP H02110803 U JPH02110803 U JP H02110803U JP 1880889 U JP1880889 U JP 1880889U JP 1880889 U JP1880889 U JP 1880889U JP H02110803 U JPH02110803 U JP H02110803U
- Authority
- JP
- Japan
- Prior art keywords
- light spot
- defocus
- light
- measuring device
- focus
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1880889U JPH0710244Y2 (ja) | 1989-02-20 | 1989-02-20 | 光学式形状測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1880889U JPH0710244Y2 (ja) | 1989-02-20 | 1989-02-20 | 光学式形状測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02110803U true JPH02110803U (2) | 1990-09-05 |
| JPH0710244Y2 JPH0710244Y2 (ja) | 1995-03-08 |
Family
ID=31233778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1880889U Expired - Lifetime JPH0710244Y2 (ja) | 1989-02-20 | 1989-02-20 | 光学式形状測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710244Y2 (2) |
-
1989
- 1989-02-20 JP JP1880889U patent/JPH0710244Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710244Y2 (ja) | 1995-03-08 |
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