Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koji Kato1
Yoshihisa Sato1
Masakazu Takeichi1
Date of Patent
March 25, 2008
1Patent Application Number
112205241
Date Filed
September 8, 2005
1Patent Primary Examiner
Patent abstract
An obstacle detection device for a vehicle notifies the driver of an obstacle approaching rapidly in the rear side by sound when a detected velocity of the obstacle relative to the vehicle is larger than a threshold velocity. It does not notify the driver of the obstacle by sound when the detected relative velocity is smaller than the threshold velocity.
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