发明申请
- 专利标题： Data transfer device
- 专利标题（中）： 数据传输设备
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申请号： US11061846申请日： 2005-02-18
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公开(公告)号： US20050193215A1公开(公告)日： 2005-09-01
- 发明人: Hideyuki Hatakeyama
- 申请人： Hideyuki Hatakeyama
- 优先权： JP2004-050783 20040226
- 主分类号： G06F12/14
- IPC分类号： G06F12/14 ; G06F21/10 ; G06F21/62 ; G11B20/10 ; H04N5/00 ; H04N7/24 ; H04L9/00
摘要：
A digital versatile disk (DVD) player includes a content playback unit and an authentication control unit. The content playback unit sends data of encrypted content to a plurality of devices. The authentication control unit performs authentication processing with each of the plurality of devices, and sends key information for decrypting the encrypted content to the plurality of devices after completing the authentication processing.
公开/授权文献
- US07539865B2 Data transfer device 公开/授权日：2009-05-26
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