JPH01146798U - - Google Patents
Info
- Publication number
- JPH01146798U JPH01146798U JP1988033370U JP3337088U JPH01146798U JP H01146798 U JPH01146798 U JP H01146798U JP 1988033370 U JP1988033370 U JP 1988033370U JP 3337088 U JP3337088 U JP 3337088U JP H01146798 U JPH01146798 U JP H01146798U
- Authority
- JP
- Japan
- Prior art keywords
- voltage signal
- rotational speed
- motor
- differential amplifier
- amplifier circuit
- 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 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 |
|---|---|---|---|
| JP1988033370U JPH01146798U (en]) | 1988-03-14 | 1988-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033370U JPH01146798U (en]) | 1988-03-14 | 1988-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146798U true JPH01146798U (en]) | 1989-10-11 |
Family
ID=31260045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988033370U Pending JPH01146798U (en]) | 1988-03-14 | 1988-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146798U (en]) |
-
1988
- 1988-03-14 JP JP1988033370U patent/JPH01146798U/ja active Pending
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