Position locating system, terminal device, control method for terminal device, control program for terminal device, and computer readable record medium storing control program for terminal device therein

摘要

A terminal device 50 includes aid-information acquisition device to acquire aid information 154 from an information providing apparatus, an information-providing-apparatus-sort judgment device to judge the type of information providing apparatus on the basis of positioning charge information 154 a contained in the aid information 154 , a positioning-basis-information generation device to generate positioning basis information 156 on the basis of position-relevant signals, a terminal-located-result-information generation device to locate a current position on the basis of the positioning basis information 156 to generate terminal-located position information and signal reception time information indicating signal reception times of the position-relevant signals, and a positioning-basis-information correction to correct the positioning basis information 156 on the basis of the signal reception time information to generate corrected positioning basis information 162.