Aisin Aw Co., Ltd.

Denso Corporation

Tsuyoshi Iwata

Kazunori Watanabe

Kenji Nagase

Tomoyuki Zaitsu

Teruhide Hayashida

Toshio Inoguchi

Shinji Kachi

Takahisa Ozaki

Masamiki Andoh

Conventionally, different traffic information cannot be sent in accordance with an output reason of a request to send. According to the present invention, a request to send traffic information, which is output in response to an instruction given by a user operation or an automatically given instruction, is acquired, an output reason of the request to send is determined, and a communication unit is controlled so that the traffic information on different areas is sent depending on the cases where the output reason is the instruction given by the user operation or the automatically given instruction.

Traffic information management device, traffic information management method, and traffic information management program

When a vehicle passes through an intersection that is stored in a collection target intersection database and for which direction-specific probe information is collected, a CPU of a navigation device generates a plurality of direction-specific probe information (entry link, exit link, section travel time, and the like) from a plurality of unit distance section information that is collected within a direction-specific traffic information acquisition section until the vehicle passes through the intersection, an entry link traveled before entering the intersection; and an exit link traveled after passing through the intersection, and transmits these to an information distribution center.

Navigation devices, methods, and progrmas

Growing community of inventors

Nagoya, Japan

Tsuyoshi Iwata