JPH0412152U - - Google Patents
Info
- Publication number
- JPH0412152U JPH0412152U JP4884190U JP4884190U JPH0412152U JP H0412152 U JPH0412152 U JP H0412152U JP 4884190 U JP4884190 U JP 4884190U JP 4884190 U JP4884190 U JP 4884190U JP H0412152 U JPH0412152 U JP H0412152U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- detection means
- rotation speed
- rotational speed
- speed detection
- 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 3
- 238000001514 detection method Methods 0.000 claims 3
- 230000007613 environmental effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Rotational Drive Of Disk (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4884190U JPH0412152U (en]) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4884190U JPH0412152U (en]) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412152U true JPH0412152U (en]) | 1992-01-31 |
Family
ID=31566012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4884190U Pending JPH0412152U (en]) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412152U (en]) |
-
1990
- 1990-05-10 JP JP4884190U patent/JPH0412152U/ja active Pending
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