JPH0365967U - - Google Patents
Info
- Publication number
- JPH0365967U JPH0365967U JP12730389U JP12730389U JPH0365967U JP H0365967 U JPH0365967 U JP H0365967U JP 12730389 U JP12730389 U JP 12730389U JP 12730389 U JP12730389 U JP 12730389U JP H0365967 U JPH0365967 U JP H0365967U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- conversion circuit
- voltage conversion
- rotation
- pulse signal
- 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 3
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12730389U JPH0365967U (en17) | 1989-10-31 | 1989-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12730389U JPH0365967U (en17) | 1989-10-31 | 1989-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0365967U true JPH0365967U (en17) | 1991-06-26 |
Family
ID=31675063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12730389U Pending JPH0365967U (en17) | 1989-10-31 | 1989-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0365967U (en17) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56110054A (en) * | 1980-02-05 | 1981-09-01 | Toshiba Corp | Detecting device for speed of rotary machine |
-
1989
- 1989-10-31 JP JP12730389U patent/JPH0365967U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56110054A (en) * | 1980-02-05 | 1981-09-01 | Toshiba Corp | Detecting device for speed of rotary machine |