METHOD FOR SUPPLYING MUSIC FILE VENDING MACHINE

摘要

PURPOSE: A method for supplying a music file vending machine is provided, so that users can purchase and sell music files using file storages or file players in narrow spaces, and directly select products with good quality by purchasing/selling the music files. CONSTITUTION: A method for supplying a music file vending machine comprises the steps of: perceiving a present state when power is supplied, and standing by a user's input; examining whether an upgrade button is pressed; if not, examining whether a sales button is pressed; commanding an input circuit of a user music file to be connected wit a data output circuit; listing music files on the basis of a predetermined database system for lists of all the music files in a displayer; making the user select a required music file; paying for the music file; copying the music file in a player of the user; transmitting a message for removing a connection between the player and the vending machine, and returning to the step of standing by a user's input; inputting a password to identify the password, when the upgrade button is pressed; connecting a mobile storage having a new music file or an output circuit of the player with a data input circuit of the vending machine; making a central controlling unit compare an existing database with the mobile storage or contents of a database stored in the player, and arranging new music files according to a pre-recorded database program system, then recording the new music files in a storage of the vending machine; and transmitting a message for removing a connection between the player and the vending machine, then returning to the step of standing by a user's input.