JPH02139494U - - Google Patents
Info
- Publication number
- JPH02139494U JPH02139494U JP1989050723U JP5072389U JPH02139494U JP H02139494 U JPH02139494 U JP H02139494U JP 1989050723 U JP1989050723 U JP 1989050723U JP 5072389 U JP5072389 U JP 5072389U JP H02139494 U JPH02139494 U JP H02139494U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- speed sensor
- voltage
- rotation speed
- detection section
- 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 7
- 230000005856 abnormality Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Electric Motors In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989050723U JPH02139494U (fr) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989050723U JPH02139494U (fr) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139494U true JPH02139494U (fr) | 1990-11-21 |
Family
ID=31569518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989050723U Pending JPH02139494U (fr) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139494U (fr) |
-
1989
- 1989-04-27 JP JP1989050723U patent/JPH02139494U/ja active Pending