Patent ID: 7917408
Filing Date: 2011-03-29
Classification: G06Q

Abstract:
1. A parcel tracing system comprising: a user terminal of a client who requests delivery of a parcel, the user terminal having an internet communication function; a radio tag which is attached to the parcel and into which identification information of said parcel is written; a plurality of radio tag readers which are arranged on a distribution route and have an internet communication function; and a server which has an internet communication function, the server including: an arrival scheduling unit which prepares and registers a transfer schedule data file which stores scheduled arrival date for the parcel in each tag communicable area of the radio tag readers; and a parcel retrieving unit which, upon receipt of a parcel tracing request specifying identification information of the parcel from the user terminal, selects radio tag reader, which has a scheduled arrival date corresponding to the current date with reference to the scheduled arrival date of the parcel with the identification information of the transfer schedule data file, instructs the selected radio tag reader to read out information regarding the radio tag, and responds to the user terminal the current position of the parcel by obtaining identification information of the traced parcel from the result of reading of the radio tag returned from the selected radio tag reader, wherein said parcel retrieving unit instructs said radio tag readers having a scheduled arrival date the closest to the current date when the tracing request is received to read information regarding said radio tag, thereby obtaining the identification information of the traced parcel.