Dual power supply type brushless fan motor speed control device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 28, 2010
app pub date -
Jul 22, 2008
filing date -
Jul 22, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A dual power supply type brushless fan motor speed control device for controlling the speed of the fan motor of a ceiling fan formed of a DC power supply circuit unit, a central processing unit, a medium and high speed power supply control unit, a low-speed power supply control unit, a back electromotive force detection circuit unit and three drive output control circuit units.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully