Back warning system and method for vehicle
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United States of America Patent
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-
Nov 9, 2010
Grant Date -
Nov 20, 2008
app pub date -
Feb 11, 2008
filing date -
May 18, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A back warning system and method for a vehicle are provided. The system includes an electronic system and a plurality of sensor units. When the vehicle is backed, the electronic system transmits a sensor drive message and then generates a warning based on a received warning level. The sensor units are driven when receiving the sensor drive message, sense a distance from a rear obstacle, and transmit a warning level corresponding to the sensed distance to the electronic system.
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