Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2007-06-05
2007-06-05
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S074000, C701S035000
Reexamination Certificate
active
10489617
ABSTRACT:
A straight running state is accurately determined using only wheel speed data in any running state. Based upon right and left wheel speed values calculated by a wheel speed calculating mechanism (13) from detection values of right and left wheel speed sensors (11, 12), a wheel speed ratio calculating mechanism (21), a distance calculating mechanism (31), and a distance ratio calculating mechanism (32) respectively calculate a right and left wheel speed ratio, an actual running distance, a linear distance, and a distance ratio of the two distances at every preset checkpoint (CP). A wheel speed ratio change amount evaluating mechanism (24) extracts CPs at times where a change amount of the wheel speed ratio is relatively small as effective CPs, and a determining mechanism (43) determines an effective CP with the smallest distance ratio from among the effective CPs as in a straight running state.
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First Examination Report issued from German Patent Office issued on Nov. 28, 2005 for the corresponding German patent application No. 103 92 140.0-52 (a copy and English translation thereof).
Mori Yukio
Taguchi Takeyasu
Tominaga Motonori
Advics Co., Ltd.
Camby Richard M.
Nippon Soken Inc.
Posz Law Group , PLC
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