A portable communication terminal includes: in a portable body, a communication device that communicates with an external portion and a display device that displays information. The portable communication terminal includes: a host device position detector; a position information acquirer acquiring member position information, which is position information of a portable communication terminal owned by another member configuring a group with the owner; and a display controller that performs a shared-position-information display process in which the position of each of the portable communication terminals owned by group members is displayed together with a map, on a screen of the display device, based on the host device position information and the member position information. During the shared-position-information display process, the display controller specifies the portable communication terminal to be displayed, and adjusts a display of the map to a reduced scale, at which all positions of the portable communication terminals are displayed.
PORTABLE COMMUNICATION TERMINAL, POSITION INFORMATION SHARING SYSTEM, ON-BOARD APPARATUS, AND PROGRAM
2018-08-09
Patent
Electronic Resource
English
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