Patent ID: 8484299
Filing Date: 2013-07-09
Classification: G06Q,H04L,H04N

Abstract:
1. A content delivery system comprising a transmitting terminal, a receiving terminal, and a delivery server which are connected via a network and configured to transmit content from the transmitting terminal to the receiving terminal via the delivery server, the delivery server comprising: a database for registering device IDs, each device ID identifying each receiving terminal; a content storage for temporarily storing contents transmitted from the transmitting terminal; and a table for sorting and managing contents by the receiving terminal's device ID and by a sender, wherein, in response to a request from the receiving terminal, the delivery server refers to the table and transmits content destined to the receiving terminal's device ID to the receiving terminal; wherein, when storing and transmitting content, the delivery server charges the content sender and, in a case of an expiry date until which the content to be viewed is set, the expiry date is extended by changing from sender charging to a receiver charging; and wherein, in a case of an expiry date until which the content to be viewed is set, a preservation fee is discounted if the content is erased earlier than a predetermined number of days before the expiry date.