Patent ID: 11966052
Assignee: HONDA MOTOR CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC G  B | IPC B  G

Claim 0:
1. An alert system comprising:
a display device configured to output, to a front window of a mobile body, a visual display viewable by an operator of the mobile body;
a display control unit configured to cause the display device to output a prescribed alert display to the front window as the visual display; and
a target recognition unit configured to recognize a target existing in surroundings of the mobile body, wherein
the display control unit:
causes the display device to display, on the front window, the alert display including a mobile body icon representing the mobile body and a surrounding icon a display range of which is changed in a circumferential direction of a circular area that surrounds the mobile body icon;
when the target is recognized by the target recognition unit, causes the display device to display the surrounding icon on the front window by having a range including a part corresponding to a direction of the target with respect to the mobile body as the display range;
when the number of the targets recognized by the target recognition unit is equal to or more than a prescribed upper limit number, sets the display range of the surrounding icon as a whole circular area; and
in a state where the number of the targets recognized by the target recognition unit is equal to or more than the upper limit number and the display range of the surrounding icon is set as the whole circular area, when the number of the targets recognized by the target recognition unit increases, reduces a size of the surrounding icon.