PROVISION AND REPLAYING DEVICE AND CONVERSION AND REPLAYING METHODS OF FILES WITH COPYRIGHT PROTECTING FUNCTIONS

摘要

The present invention inserts the information related to the identification number of the playback apparatus in further detail the header part or the watermark region of the file relates to a conversion process of a file providing device and the reproduction device, and files and reproducing method for copyright protection or in connection the whole file and the identification number of the playback apparatus converts the data downloaded to the reproducing apparatus, the reproduction apparatus the data in accordance with the check that the information is inserted, associated with a unique number in the playback device and or in connection with its own number translation rule a by allowing playback conversion, it received files illegally downloaded from the other external device is unable to be played, and a conversion method for providing apparatus and the reproduction apparatus and a file in the file for copyright protection to be useless copied to another external device, It relates to the playback method.; In the reproducing apparatus to them, have received grants or have a unique number, or may check the self identification number in the header of the downloaded file or the watermark region, may be in conjunction with the unique number to convert the data, a and is able to have a storage space for storing only the unique number, in the file providing apparatus stores the identification number of the playback apparatus to provide or confirm by communication and which is able to file can be sent according to the serial number format, such in the state, the copyright holder files provided comprising the steps of: providing a source file to the device file provides the device header or watermark, inserts a unique number or the original file of the playback device requested in the original file when the download request from the playback device serial number in conjunction with the step of transmitting the converted data, and the playback device If the play is a unique number of the magnetic insert on the back files received or downloaded or is characterized in that the transformation in conjunction with a unique number set to the steps of the reproduction.