US Patent 7333006 Vehicle driving support device with face direction aligning

A vehicle driving support device provided at a first vehicle and a second vehicle respectively so as to be paired in order to set off an alarm includes an image input means, a face angle detecting means, a traveling direction detecting means, a face direction detecting means, an inter vehicle communicating means a determining means and a warning means for setting off an alarm when the determining means determines that the face direction of the first driver and the face direction of the second driver are not aligned.