Communications: electrical – Land vehicle alarms or indicators – Of collision or contact with external object
Reexamination Certificate
2007-11-28
2010-06-15
La, Anh V (Department: 2612)
Communications: electrical
Land vehicle alarms or indicators
Of collision or contact with external object
C340S435000, C701S045000, C280S728100, C180S274000
Reexamination Certificate
active
07737833
ABSTRACT:
A pedestrian collision detection apparatus includes a bumper sensor, an acceleration sensor, a vehicle speed sensor, and a controller. The controller calculates an effective mass based on outputs from the bumper sensor and the speed sensor. The controller calculates a velocity change based on an output from the acceleration sensor. Further, the controller includes a two-dimensional map, which contains an effective mass and a velocity change and defines a pedestrian area for collision with a pedestrian. The controller determines a collision with a pedestrian when the pedestrian area contains a point determined by the calculated maximum effective mass and maximum velocity change. It is therefore possible to accurately distinguish a collision between the vehicle and the pedestrian from collision with the other object to reliably detect the collision.
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Office Action dated Jul. 7, 2008 in German Application No. 10 2007 057 727.5 with English translation.
DENSO Corporation
Harness Dickey & Pierce PLC
La Anh V
LandOfFree
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