Method and apparatus for automatically identifying the location of pressure sensors in a tire pressure monitoring system
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United States of America Patent
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May 6, 2008
Grant Date -
Nov 16, 2006
app pub date -
May 11, 2005
filing date -
May 11, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A tire pressure monitoring system (12) for a vehicle (10) has a plurality of tires (14A-D) in respective rolling locations having a respective plurality of tire transmitters (16A-D) that generate a respective plurality of transmitter identification signals. A respective plurality of initiators (20A-D) are fixedly attached to the vehicle at a respective plurality of locations. The initiators may include orthogonal coils (112, 114). A controller (22) activates the plurality of initiators using the coils (112, 114) and receives a plurality of respective sensor signals having respective tire identifications. The activations may occur with a duty cycle of less than about fifty percent.
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