US Patent 7693662 Drive recorder for vehicle

A drive recorder stores information regarding a dangerous location where a vehicle collision or a dangerous driving situation occurred in the past. When it is determined that the vehicle approaches the dangerous location based on a position signal from a GPS receiver for detecting the present position of the vehicle, a warning is provided to the vehicle driver. According to the warning, the vehicle driver can recognize that the vehicle is approaching the dangerous location where the vehicle collision or the dangerous driving situation occurred in the past.