Patent ID: 8387113

Claim:
A communication system which communicates predetermined data between a first electronic device and a second electronic device, wherein the first electronic device, includes: a first communication port configured to communicate the predetermined data with the second electronic device via a first communicating connection between the first communication port and the second electronic device; a second communication port configured to communicate authentication data for an authenticating process with the second electronic device via a second communicating connection between the second communication port and the second electronic device, the second communicating connection being different from the first communicating connection; a controller configured to control communication of the predetermined data with the second electronic device through the first communication port and the first communicating connection; and an authentication section external to the controller of the first device and configured to perform the authenticating process with the second electronic device through the second communication port and the second communicating connection, and the second electronic device, comprising: a first port configured to communicate the predetermined data via the first connection between the first port of the second electronic device and the first electronic device; a second port configured to communicate authentication data for the authenticating process via the second connection between the second port of the second electronic device and the first electronic device, the authentication data being different from the data communicated via the first communicating connection; a controller configured to control communication for the predetermined data with the first electronic device through the first port of the second electronic device and the first communicating connection; and an authenticating section external to the controller of the second device and configured to perform the authenticating process with the first electronic device through the second port of the second electronic device and the second communicating connection, the controller of the second electronic device initiating the authentication section of the second electronic device based on communication with the first electronic device.