INFORMATION NOTIFICATION DEVICE, INFORMATION NOTIFICATION SYSTEM, INFORMATION NOTIFICATION METHOD, AND INFORMATION NOTIFICATION PROGRAM

摘要

Provided is an information notification device that can utilize presence information.　An information notification device (10) includes: a processing unit (11) that, in accordance with trigger information, generates at least one set of presence information (MESSAGE10, MESSAGE20, MESSAGE30) between a first moving body such as a four-wheel vehicle (200) and a second moving body such as a two-wheel vehicle (300) or passenger mobility scooter (300); and a transmitting unit (16) that transmits at least one set of presence information to both the four-wheel vehicle (200) and the two-wheel vehicle or mobility scooter (300). The at least one set of presence information is, for example, first presence information (MESSAGE20) and second presence information (MESSAGE30). For example, the second presence information (MESSAGE30) allows other presence information (34-5), which indicates the presence of the four-wheel vehicle (200) around the mobility scooter (300) and is based on the second presence information (MESSAGE30), to be identified by a second processing unit (31) of the mobility scooter (300).