Patent ID: 7016878
Filing Date: 2006-03-21
Classification: G06F,G06Q

Abstract:
1. A terminal, operating in conjunction with a center, the center having a database registered with a sales period set on each content, a database sales period reading section, a present time-sales period determining section and a key supplying section, comprising: a period reader reading a requestable calendar sales period of time stored on an individual self contained computer readable content medium, the content medium indicating the requestable calendar sales period of time during which a content on the content medium can be served and sold; a present calendar time data generator generating present calendar time data indicating a present calendar time; a comparator comparing the requestable calendar sales period of time with the present calendar time; and a requestor for submitting a request when said comparator judges that the present calendar time falls within the requestable calendar sales period of time, to the center for obtaining use of the content.