Method for operating an electrical device
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United States of America Patent
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Feb 9, 2010
Grant Date -
Mar 8, 2007
app pub date -
Jan 18, 2006
filing date -
Jan 18, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for operating a device in which typically a very high current is generated when the device is turned on compared to the rated current, e.g. an analogue operated PTC heating device for a mobile device, such as a vehicle, is disclosed. In this method, the power on the device is increased in a defined limited manner or in a ramp-like manner in the connection phase to avoid a high current when the device is switched on.
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