Patent ID: 8055187
Filing Date: 2011-11-08
Classification: G06Q,H04L

Abstract:
1. A communication terminal forming a contents exchange system, comprising: a communication device; an operation unit receiving an input of an instruction to said communication terminal; a memory; and a controller for controlling an operation of said communication terminal; said memory stores said content data and said determination information; said controller causes another communication terminal included in said contents exchange system to repeatedly transmit said request information to said communication device, when the response information transmitted from said another communication terminal in response to said request information is received by said communication device, causes said communication terminal that transmitted said response information to transmit said determination information to said communication device, when said request information is received from said another communication terminal, causes said communication device to transmit said response information and said determination information to said another communication terminal, when transmitted determination information is different from received determination information, the controller determines whether said content data is to be transmitted, based on the transmitted and received determination information, causes said communication device to transmit the content data determined to be transmitted, and when content data different from the transmitted content data is received by said communication device, stores in said memory said received content data and the determination information on said received content data; said communication terminal further comprising