JPH03118975U - - Google Patents
Info
- Publication number
- JPH03118975U JPH03118975U JP2701290U JP2701290U JPH03118975U JP H03118975 U JPH03118975 U JP H03118975U JP 2701290 U JP2701290 U JP 2701290U JP 2701290 U JP2701290 U JP 2701290U JP H03118975 U JPH03118975 U JP H03118975U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light projecting
- elements
- receiving device
- receiving
- 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
- 238000004804 winding Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Controlling Sheets Or Webs (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2701290U JPH03118975U (en]) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2701290U JPH03118975U (en]) | 1990-03-16 | 1990-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118975U true JPH03118975U (en]) | 1991-12-09 |
Family
ID=31529886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2701290U Pending JPH03118975U (en]) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118975U (en]) |
-
1990
- 1990-03-16 JP JP2701290U patent/JPH03118975U/ja active Pending