JPH02141811U - - Google Patents
Info
- Publication number
- JPH02141811U JPH02141811U JP5153889U JP5153889U JPH02141811U JP H02141811 U JPH02141811 U JP H02141811U JP 5153889 U JP5153889 U JP 5153889U JP 5153889 U JP5153889 U JP 5153889U JP H02141811 U JPH02141811 U JP H02141811U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- light
- pair
- optical system
- mark
- 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
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000005286 illumination Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5153889U JPH02141811U (cs) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5153889U JPH02141811U (cs) | 1989-04-28 | 1989-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02141811U true JPH02141811U (cs) | 1990-11-29 |
Family
ID=31571065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5153889U Pending JPH02141811U (cs) | 1989-04-28 | 1989-04-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02141811U (cs) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5390981A (en) * | 1977-01-20 | 1978-08-10 | Yokohama Rubber Co Ltd | Tension testing apparatus |
JPS56107107A (en) * | 1980-01-31 | 1981-08-25 | Toshiba Corp | Measuring device for elongation and difference in elongation of steam turbine |
-
1989
- 1989-04-28 JP JP5153889U patent/JPH02141811U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5390981A (en) * | 1977-01-20 | 1978-08-10 | Yokohama Rubber Co Ltd | Tension testing apparatus |
JPS56107107A (en) * | 1980-01-31 | 1981-08-25 | Toshiba Corp | Measuring device for elongation and difference in elongation of steam turbine |