JPH0481232U - - Google Patents
Info
- Publication number
- JPH0481232U JPH0481232U JP12717290U JP12717290U JPH0481232U JP H0481232 U JPH0481232 U JP H0481232U JP 12717290 U JP12717290 U JP 12717290U JP 12717290 U JP12717290 U JP 12717290U JP H0481232 U JPH0481232 U JP H0481232U
- Authority
- JP
- Japan
- Prior art keywords
- reel
- receiving means
- rotational speed
- light emitting
- reflected light
- 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 10
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12717290U JPH0481232U (en]) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12717290U JPH0481232U (en]) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481232U true JPH0481232U (en]) | 1992-07-15 |
Family
ID=31874685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12717290U Pending JPH0481232U (en]) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481232U (en]) |
-
1990
- 1990-11-28 JP JP12717290U patent/JPH0481232U/ja active Pending
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