| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method of enabling a salesman to recommend commodities to a customer by judging when the customer needs new shoes. SOLUTION: The customer wears the shoes having a function capable of detecting its wearing-out and wirelessly transmitting a result of the detection. A receiver for receiving the electric wave transmitted from the shoes is installed at a wicket of a station or the like, and is connected to a personal computer of the salesman of the shoes through a communication circuit, so that the salesman receives the electric wave transmitted from the shoes, and a customer's number transmitted by the electric wave through the receiver and the communication circuit, catches the defects of the electric wave caused by the breakage of antennas in a part of the shoes, of a part of frequency among the electric waves transmitted from the shows, and as a result, knows the wearing-out state of the shoes, whereby he obtains the customer's number transmitted from the shoes from a customer's data base, and sends a catalogue of the commodity to the obtained mail address by e-mail.</p> |
