Patent ID: 7075570

Claim:
A method of processing files including a first and second apparatuses, each apparatus for recording image data in a built in recording medium in a manner of complying with a file managing structure comparable with a DCF standard, and permitting the first and the second apparatus to mutually transmit the recorded image data therebetween, wherein the method comprises: setting a virtual directory name in a form not defined as the DCF standard with respect to a directory recorded in each recording medium of the first and second apparatus in a manner of complying with the file managing structure compatible with the DCF standard, forming a virtual directory management file, wherein the virtual directory name is to be compatible with a directory name that corresponds to the virtual directory name and complies with the DCF standard, and maintaining the file on virtual directory management, although transmitting the image data mutually between the first and second apparatus, wherein a directory having the file managing structure compatible with the DCF standard and the virtual directory management file not defined by the DCF standard have different extensions.