Abstract
PROBLEM TO BE SOLVED: To provide a position confirmation method capable of accurately confirming whether or not a user has visited a predetermined place.
SOLUTION: A position confirmation method includes: generating and outputting of access information which is variable depending on date and time by an access information output device; transmitting of the outputted access information from a terminal device to a position confirmation device; based on the received date and time of the access information from the terminal device generating of access information by the position confirmation device according to the same algorithm as the access information output device and comparing the received access information and the access information thus generated in the position confirmation device to determine whether or not a user has visited a place at which the access information output device is provided.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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