Patent ID: 9403496
Filing Date: 2016-08-02
CPC Classification: B60R,G07C,H04M

Claim Text:
1. A communication system, comprising: a movable-body-mounted apparatus that is mounted on a movable body; and a terminal device to be used by a user who moves along with the movable body; wherein the movable-body-mounted apparatus comprises: a vehicle information storage part configured to store movable body information, wherein the movable body information includes a received signal quality of a radio wave used for communication to/from a center server; a vehicle availability determination part configured to transmit a notification to the center server when communication to/from the center server has changed from being unavailable to being available; and a vehicle separation determination part configured to determine whether the user is separated from the movable body; a vehicle information transmission part configured to transmit the movable body information to the terminal device, when the vehicle separation determination part determines that the user is separated from the movable body; wherein the terminal device comprises: a terminal information reception part configured to receive the movable body information; a terminal information storage part configured to store the movable body information received by the terminal information reception part; and a terminal information notification part configured to retrieve user information stored in the terminal information storage part in response to an input from the user; and wherein the center server comprises: a server information reception part configured to receive the notification from one or more movable-body-mounted apparatuses, a server information storage part configured to store a movable body information table, wherein the movable body information table includes the movable body information for each of the one or more movable-body-mounted apparatuses; and a server information management part configured to delete the movable body information from the movable body information table for a particular movable-body-mounted apparatus when the notification received from the particular movable-body-mounted apparatus indicates that communication to/from the center server has changed from being unavailable to being available.