Data processing: measuring – calibrating – or testing – Measurement system – Speed
Reexamination Certificate
2007-05-15
2007-05-15
Tsai, Carol S. W. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Speed
C702S047000, C702S056000, C701S301000, C701S001000, C701S045000, C701S213000, C340S425500, C340S436000, C340S438000, C340S940000, C340S933000
Reexamination Certificate
active
11094322
ABSTRACT:
There are basically two types of rumble strips: shoulder/center rumble strips and in-lane rumble strips. In an embodiment of the invention, there is a device that automatically identifies the type of rumble strip with which a vehicle tire is in contact with. The device may include a processor adapted to receive input indicative of a state of rotation of a first vehicle tire and input indicative of a state of rotation of a second vehicle tire when one or more of the first vehicle tire and the second vehicle tire is in contact with a rumble strip. The processor includes logic to compare the state of rotation of the first vehicle tire to the state of rotation of the second vehicle tire, and determine from the comparison, the type of rumble strip in contact with at least one of the first vehicle tire and the second vehicle tire.
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Kawazoe Hiroshi
Tsuda Hiroshi
Nissan Technical Center North America, Inc.
Tsai Carol S. W.
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