Patent ID: 7014110

Claim:
A POS system comprising: a printing apparatus for printing on a receipt based on printing data; a terminal apparatus for obtaining input information inputted by a user and for generating receipt printing information; a POS server connected to said terminal apparatus through a first network, for controlling said terminal apparatus; advertising information providing means for providing advertising information; and printing data generating means for generating printing data by adding the advertising information provided by said advertising information providing means to the receipt printing information obtained by said terminal apparatus, wherein said printing data generating means is constituted by an additional apparatus connectable to said printing apparatus, said additional apparatus is constituted by an adapter device connectable to said printing apparatus, and said advertising information providing means is connected to said adapter device, said POS system further comprising a control server for controlling the advertising information, said control server being connected to said terminal apparatus through a second network, wherein said advertising information providing means is constituted by said control server and wherein said terminal apparatus and said second network are connected together through said adapter device.