Data processing: vehicles – navigation – and relative location – Relative location – Collision avoidance
Reexamination Certificate
2006-09-05
2006-09-05
Chin, Gary (Department: 3661)
Data processing: vehicles, navigation, and relative location
Relative location
Collision avoidance
C701S096000, C340S435000, C340S436000, C342S455000
Reexamination Certificate
active
07103478
ABSTRACT:
Whether or not a radar device detects an object is determined by a detection state determinator. Whether or not a time during which the object is not detected and which is measured by a clocking device becomes a determination threshold value or more, is determined by a non-detection determinator. Based on the determination results, an informing device informs an occupant that the object is not detected for a predetermined time or more. Therefore, a state in which the radar device does not detect an object due to absence of the object on a road in a desert or the like is prevented from being erroneously determined as a state caused by contamination of the radar device. Also, the occupant can easily determine whether the operation of the informing device is actually caused by absence of an object or contamination of the radar device, based on the environment around the road on which the own vehicle is traveling. Especially because a reflected wave from a road surface, of which intensity changes in accordance with the condition, is not used for determination, it becomes unnecessary to change the setting of the determination threshold value and determination frequency region, and thus the structure and operation are simplified.
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Chin Gary
Honda Motor Co. Ltd.
O'Melveny & Myers LLP
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