Power on demand steering wheel angle sensor
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United States of America Patent
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-
Mar 12, 2013
Grant Date -
Aug 4, 2011
app pub date -
Feb 1, 2010
filing date -
Feb 1, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power on-demand steering angle sensor coupled to a steering wheel and a controller comprising a switch, coupled to the sensor and the controller. The switch is activated upon motion of the steering wheel or steering shaft. The switch, when closed, connects a power supply, such as a vehicle battery, to the sensor and the controller so that a new steering angle may be sensed and stored. After a predetermined period of time, the controller sends a signal to open the switch and disconnect the power supply.
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