ADVERTISEMENT BROADCAST AUDITION DEVICE OF PUBLIC TELEPHONE AND ADVERTISEMENT SENTENCE DISPLAY DEVICE AND METHOD

摘要

PURPOSE: Advertisement broadcast audition device of a public telephone and advertisement sentence display device make the user use a public telephone with no charge if the user hears/sees advertisement broadcasting of each enterprise through advertisement broadcasting IC card provided freely from a department store or enterprise, and display advertisement content on LCD panel of a public telephone when the user hears/sees the advertisement broadcasting. CONSTITUTION: Advertisement broadcast audition/broadcast sentence display device includes a public telephone(100) and a telephone switching station(200). If the IC card is inserted into the public telephone, the device outputs a code signal of each enterprise stored in the IC card, the public telephone outputs advertisement broadcasting of each enterprise through a transceiver, and displays the advertisement content on LCD panel if the advertisement broadcasting is received. If the broadcasting is finished after a predetermined time, the method stops an output of advertisement sentence, and the user can use the public telephone with no charge. The telephone switching station discriminates a code signal of each enterprise, and outputs a stored advertisement broadcasting of each enterprise to the public telephone. After the advertisement broadcasting, the telephone switching station controls a connection about another telephone switching station according to a user's dialing of the public telephone.