发明授权
- 专利标题： Information management apparatus for inhibiting reproduction in a video cassette recorder
- 专利标题（中）： 用于禁止录像机中再现的信息管理装置
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申请号： US928628申请日： 1997-09-12
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公开(公告)号： US5825969A公开(公告)日： 1998-10-20
- 发明人: Hiroaki Ono , Kiyoshi Kano , Hideo Nishijima , Takao Arai , Takaharu Noguchi , Nobutaka Amada , Hiroo Okamoto , Hitoaki Owashi , Keizo Nishimura , Nobuyuki Kaku , Shinya Fujimori
- 申请人： Hiroaki Ono , Kiyoshi Kano , Hideo Nishijima , Takao Arai , Takaharu Noguchi , Nobutaka Amada , Hiroo Okamoto , Hitoaki Owashi , Keizo Nishimura , Nobuyuki Kaku , Shinya Fujimori
- 申请人地址： JPX Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX6-020865 19940218; JPX6-020868 19940218; JPX6-034402 19940304; JPX6-265612 19941028
- 主分类号： G11B5/02
- IPC分类号： G11B5/02 ; G11B5/024 ; G11B15/03 ; G11B15/087 ; G11B15/12 ; G11B19/02 ; G11B19/04 ; G11B20/00 ; H04N5/775 ; H04N5/782 ; H04N5/92
摘要：
The present invention relates to an information providing system. More particularly, this invention relates to an information management apparatus capable of reliable management of distributed information and an information providing system employing the same information management apparatus. The information management apparatus comprises a main information reproducing means for reproducing main information recorded in a given recording medium; and a reproduction management means for managing the main information reproducing means for reproducing the main information. The present invention provides a receiving means provided with a means for recording distributed information and control information limiting the number of main information reproducing cycles on a recording medium, and a main information reproducing means provided with a reproduction disabling means for limiting the reproduction of main information.
公开/授权文献
- US5300275A Steam reforming 公开/授权日：1994-04-05
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