Mazda Motor Corporation

Hiromichi Nomura

Yuki Yoshida

Yoshitsugu Hanada

Koji Kagami

Kazuhito Hayashi

Toshiki Yoshihara

Kazuya Maruoka

Yuki Okamoto

Koji Hirai

To provide an alarm system for a vehicle that can appropriately raise an alarm to a driver of a vehicle that is entering an intersection. An alarm systemfor a vehicle includes an alarm line setting partthat sets a right alarm lineand a left alarm lineboth extending forward from a vehicle. The alarm line setting partsets the length of the right alarm lineand the left alarm lineat L1 when the vehicle is running in a straight line. The alarm line setting partsets the length of the right alarm lineor the left alarm lineat a length different from L1 when the vehicleis to turn left or right at an intersectionto enter a first laneor a second lane

Alarm system for vehicle

To provide an alarm system for a vehicle that can reduce alarms that can irritate a driver. An alarm systemfor a vehicle includes an alarm line setting partthat sets a right alarm lineand a left alarm linein front of a vehicle, and an alarm unit control partthat activates a speakerand a displaywhen the velocity of the vehicleis equal to or less than a predetermined velocity and a collision determination partdetermines that an object will cross the right alarm lineor the left alarm linewithin a predetermined time. When the vehicleis decelerating, the alarm unit control partperforms an alarm reduction control that suppresses operation of the speakercompared with when the vehicleis not decelerating.

Growing community of inventors

Hiroshima, Japan

Hiromichi Nomura