US Patent 7576773 Direct recording device and direct recording method

A direct recording device which is incorporated into each of a first apparatus and a second apparatus connecting by signal to the first apparatus, and allows mutual handling of data held by the first and second apparatuses, wherein the direct recording device incorporated into each of the first and second apparatuses includes an identifier setting part configured to set, for data stored in each of internal storage devices of the first and second apparatuses, an identifier for identifying the data, and a transfer part configured to mutually transmit and receive information containing at least one of an identifier and data stored in each of the internal storage devices of the first and second apparatuses.