JPH02135809U - - Google Patents
Info
- Publication number
- JPH02135809U JPH02135809U JP4503489U JP4503489U JPH02135809U JP H02135809 U JPH02135809 U JP H02135809U JP 4503489 U JP4503489 U JP 4503489U JP 4503489 U JP4503489 U JP 4503489U JP H02135809 U JPH02135809 U JP H02135809U
- Authority
- JP
- Japan
- Prior art keywords
- light
- plunger
- light beam
- amount
- casing
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 201000009310 astigmatism Diseases 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4503489U JPH02135809U (en]) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4503489U JPH02135809U (en]) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135809U true JPH02135809U (en]) | 1990-11-13 |
Family
ID=31558862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4503489U Pending JPH02135809U (en]) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135809U (en]) |
-
1989
- 1989-04-19 JP JP4503489U patent/JPH02135809U/ja active Pending
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