发明名称 VIDEO INFORMATION REPRODUCING APPARATUS, IMAGE DISPLAY DEVICE, PROJECTOR, AND CONTROL METHOD OF VIDEO INFORMATION REPRODUCING APPARATUS
摘要 PROBLEM TO BE SOLVED: To obtain a video information reproducing apparatus which is not able to reproduce video, unless it does not perform a prescribed authentication. SOLUTION: The video information reproducing apparatus includes a video information reproducing part 13 for reproducing video information stored in a video information storage medium, a storage part 16 having first authentication information stored therein, and a control part 15 for controlling the operation of the video information reproducing part 13. The video information reproducing part 13 reads second authentication information, stored in a prescribed authentication information storage medium, and the control part 15 will allow the video information reproducing part 13 to reproduce the video information, only when the first authentication information and the second authentication information agrees with each other. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009118078(A) 申请公布日期 2009.05.28
申请号 JP20070287598 申请日期 2007.11.05
申请人 SEIKO EPSON CORP 发明人 OZAWA TAKASHI
分类号 H04N5/93;G06F21/22;G11B20/10;H04N5/85;H04N5/91 主分类号 H04N5/93
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