JPH02139493U - - Google Patents
Info
- Publication number
- JPH02139493U JPH02139493U JP1989048813U JP4881389U JPH02139493U JP H02139493 U JPH02139493 U JP H02139493U JP 1989048813 U JP1989048813 U JP 1989048813U JP 4881389 U JP4881389 U JP 4881389U JP H02139493 U JPH02139493 U JP H02139493U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- differential
- switch
- opens
- detects
- 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
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Electric Motors In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048813U JPH02139493U (2) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048813U JPH02139493U (2) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139493U true JPH02139493U (2) | 1990-11-21 |
Family
ID=31565960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989048813U Pending JPH02139493U (2) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139493U (2) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066680A (ja) * | 1983-09-21 | 1985-04-16 | Mitsubishi Electric Corp | モ−タ駆動制御装置の異常検出回路 |
| JPS63124789A (ja) * | 1986-11-13 | 1988-05-28 | Toshiba Corp | モ−タの回転異常検知装置 |
-
1989
- 1989-04-27 JP JP1989048813U patent/JPH02139493U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066680A (ja) * | 1983-09-21 | 1985-04-16 | Mitsubishi Electric Corp | モ−タ駆動制御装置の異常検出回路 |
| JPS63124789A (ja) * | 1986-11-13 | 1988-05-28 | Toshiba Corp | モ−タの回転異常検知装置 |
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