Patent ID: 8103839

Claim:
A content data communication system, comprising: a content data recording/reproducing device and an information processing device, wherein: said content data recording/reproducing device includes: a recording/reproducing device-side connector unit that connects with said information processing device; and a recording/reproducing device-side storage unit that stores an application program, and transmission of content data from said information processing device to said content data recording/reproducing device is controlled based upon the application program, and said information processing device includes: a connector unit that connects with said content data recording/reproducing device; a storage unit that stores content data; and a control unit that reads out said application program stored in said recording/reproducing device-side storage unit as said content data recording/reproducing device becomes connected to said information processing device and engages said connector unit to transmit said content data stored in a specific data area in said storage unit to said recording/reproducing device-side storage unit based upon said application program having been read out, and said control unit disallows transmission of the content data via said connector unit when the available storage capacity at said recording/reproducing device-side storage unit is smaller than the total volume of the content data stored in the specific data area at said storage unit.