FAN MOTOR CONTROL DEVICE
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Sep 30, 2013
filing date -
Oct 5, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fan motor control device is provided in which in a situation where a rotation request (LO request) at a first rotation speed is not obtained at a control unit (10) and it becomes control based on a rotation request (HI request) at a second rotation speed from an OFF request, a first drive signal corresponding to the LO request is outputted to a first switching device (a first semiconductor device 20), and after a predetermined time has passed, a second drive signal based on the HI request is outputted to a second switching device (a second semiconductor device 30).
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