Patent ID: 7831757

Claim:
A data communication system comprising: a portable electronic device; a server device; and a cradle device configured to mediate communications between the portable electronic device and the server device, wherein the portable electronic device includes a controller configured to generate first data including metadata corresponding to content data stored at the portable electronic device or device information corresponding to the portable electronic device, and an interface configured to transmit the first data to the server device via the cradle device, the cradle device includes an interface configured to communicate with the portable electronic device, an interface configured to communicate with the server device, and a controller configured to receive the first data from the portable electronic device and transmit the received first data to the server device, and the server device includes an interface configured to receive the first data from the portable electronic device via the cradle device, and a controller configured to perform a process based on the received data, the process including providing maintenance information to the portable electronic device when the first data includes device information corresponding to the portable electronic device.