Patent ID: 7587125
Filing Date: 2009-09-08
Classification: G11B,H04N

Abstract:
1. A playback/recording apparatus for performing transfer of contents recorded on an erasable storage medium, between apparatuses: said playback/recording apparatus comprising a playback/erasing apparatus as a first apparatus, a recording apparatus as a second apparatus, and a transmission line such as a transmission cable or the like for connecting the first and second apparatuses; said first apparatus comprising: a first authentication means for performing mutual authentication and transfer of contents between itself and the second apparatus; a playback means for reproducing contents recorded on a first storage medium, and outputting the reproduced contents; a detection means for detecting copyright information of the contents; an erasing means for erasing the contents from the first storage medium; and an encryption means for encrypting the output from the playback means, and outputting the encrypted data; and said second apparatus comprising: a second authentication means for performing mutual authentication and transfer of contents between itself and the first apparatus; a decryption means for decrypting the encrypted data; and a recording means for recording the contents on a second storage means; wherein, when performing transfer of the contents, mutual authentication is carried out between the first authentication means and the second authentication means, the contents are reproduced by the playback means and outputted and, when the output of the detection means indicates that the contents are copy-inhibited, data of the contents are encrypted by the encryption means and outputted, the contents are erased from the first storage medium by the erasing means, the encrypted data are decrypted by the decryption means and outputted, and the contents are recorded on the second storage means by the recording means, thereby transferring the contents.