Patent ID: 7605702
Filing Date: 2009-10-20
Classification: G01S

Abstract:
1. An article position management system that manages a position of an article on the basis of identification information read out from an identification tag that is affixed to the article and stores the identification information used to identify the article, and further on the basis of positional information of the position where the article is present, characterized by comprising: optical signal transmission means configured for optically transmitting positional information only to a specific region; positional information reception means configured for receiving the positional information transmitted from said optical signal transmission means; identification information readout means configured for reading out the identification information from the identification tag; storage means configured for storing information indicating the position where the article is present; and article position management means configured for storing in said storage means the positional information received by said positional information reception means in the specific region and the identification information read out by said identification information readout means such that the positional information and identification information are associated with each other.