Patent ID: 8280975

Claim:
A communication apparatus that communicates with an information processing apparatus, to transmit file information stored in a storage medium connected to the communication apparatus, to the information processing apparatus, the communication apparatus comprising: a display unit; an activation unit configured to activate the communication apparatus in a reproduction mode for reproducing a file stored in the storage medium on the display unit; a connection unit configured to connect to the information processing apparatus; a cache memory configured to cache entry information of the file stored in the storage medium, before the communication apparatus connects to the information processing apparatus through a physical layer by the connection unit; a generation unit configured to generate, based on the entry information cached in the cache memory, information necessary for transmitting the file information in accordance with a predetermined communication protocol, after the communication apparatus connects to the information apparatus through the physical layer by the connection unit; and a transmission control unit configured to control transmission of the information generated by the generation unit to the information processing apparatus via the connection unit, in response to a request from the information processing apparatus, wherein, in the reproduction mode, the file stored in the storage medium is reproduced using at least a portion of the entry information of the file stored in the storage medium, and wherein the cache memory caches the entry information in accordance with the communication apparatus being activated in the reproduction mode.