JPH02139495U - - Google Patents
Info
- Publication number
- JPH02139495U JPH02139495U JP1989048397U JP4839789U JPH02139495U JP H02139495 U JPH02139495 U JP H02139495U JP 1989048397 U JP1989048397 U JP 1989048397U JP 4839789 U JP4839789 U JP 4839789U JP H02139495 U JPH02139495 U JP H02139495U
- Authority
- JP
- Japan
- Prior art keywords
- drive
- circuit
- speed signal
- detection resistor
- series
- 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 11
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Direct Current Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048397U JPH02139495U (hr) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048397U JPH02139495U (hr) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139495U true JPH02139495U (hr) | 1990-11-21 |
Family
ID=31565165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989048397U Pending JPH02139495U (hr) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139495U (hr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156139A (ja) * | 1983-02-23 | 1984-09-05 | Sankyo Seiki Mfg Co Ltd | 電磁駆動装置の速度信号検出回路 |
| JPS6248284A (ja) * | 1985-08-24 | 1987-03-02 | Okuma Mach Works Ltd | 電動機の制御方法 |
-
1989
- 1989-04-25 JP JP1989048397U patent/JPH02139495U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156139A (ja) * | 1983-02-23 | 1984-09-05 | Sankyo Seiki Mfg Co Ltd | 電磁駆動装置の速度信号検出回路 |
| JPS6248284A (ja) * | 1985-08-24 | 1987-03-02 | Okuma Mach Works Ltd | 電動機の制御方法 |