Speed display device for a vehicle
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United States of America Patent
Stats
-
Sep 9, 2008
Grant Date -
May 12, 2005
app pub date -
Nov 8, 2004
filing date -
Nov 6, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle speed display device includes a plurality of speed sensors of different types for detecting the speed V of a vehicle by different detection methods. A selector mechanism accesses error maps associated with each of the speed sensors that reflects inaccuracies characteristic of the associated speed sensors under various conditions, such as at various speed and/or at various acceleration levels. The selector selects a speed value associated with a minimum error value for the current moving state conditions and the selected speed value is displayed to an operator of the vehicle.
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