Patent ID: 7664021

Claim:
A recording and reproducing apparatus comprising: a recorder configured to store a content file; an interface configured to conduct communication with an external device on a network; and a controller configured to: upon receipt of the content file with copy control information, record the content file in the recorder by adding thereto identification information requesting transfer upon determination that a round-trip response time to a destination is not longer than a predetermined time; upon receipt of an instruction for transfer of the content file to the external device, determine whether the external device has a capability to determine a round-trip response time; when the external device has no function of measuring and determining a round-trip response time, rewrite the copy control information to “No copy”; and if the external device has the capability, transfer the content file to a storage area of the external device, after determining that a round-trip response time to the external device is not longer than the predetermined time.