JPH0451608U - - Google Patents
Info
- Publication number
- JPH0451608U JPH0451608U JP9300390U JP9300390U JPH0451608U JP H0451608 U JPH0451608 U JP H0451608U JP 9300390 U JP9300390 U JP 9300390U JP 9300390 U JP9300390 U JP 9300390U JP H0451608 U JPH0451608 U JP H0451608U
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflector
- moving body
- hole
- reflected
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300390U JPH0451608U (en]) | 1990-09-04 | 1990-09-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9300390U JPH0451608U (en]) | 1990-09-04 | 1990-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0451608U true JPH0451608U (en]) | 1992-04-30 |
Family
ID=31829884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9300390U Pending JPH0451608U (en]) | 1990-09-04 | 1990-09-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0451608U (en]) |
-
1990
- 1990-09-04 JP JP9300390U patent/JPH0451608U/ja active Pending