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    • 43. 发明授权
    • Multiplexed secure video game play distribution
    • 多重安全视频游戏播放发行
    • US07878908B2
    • 2011-02-01
    • US10293943
    • 2002-11-14
    • Jim A. SloateScott ElliottHiroshi KamadaKelly LindsethPatrick LinkDavid McCarten
    • Jim A. SloateScott ElliottHiroshi KamadaKelly LindsethPatrick LinkDavid McCarten
    • A63F13/00
    • A63F13/95A63F13/12A63F13/335A63F13/71
    • Multiple video game players access an encrypted video game library stored on a shared mass storage device. A multiplexer multiplexes data read from the mass storage device to provide output streams to multiple video game playing units consuming video game instructions. A secure bus communicates video game instructions from the shared mass storage device to each of the video game playing units. Video game software or other entertainment content is distributed to the shared mass storage device via electronic download in multi-level encrypted form. Before being transported, the content is encrypted and then further encrypted. Once the content has been successfully transported, it is decrypted to remove the further encryption layer—leaving the first encryption layer intact for protecting the video game during storage on mass storage at the remote distribution location.
    • 多个视频游戏玩家访问存储在共享大容量存储设备上的加密视频游戏库。 复用器多路复用从大容量存储设备读取的数据,以向输入视频游戏指令的多个视频游戏单元提供输出流。 安全总线将来自共享大容量存储设备的视频游戏指令传送到每个视频游戏单元。 视频游戏软件或其他娱乐内容通过多级加密形式的电子下载分发到共享大容量存储设备。 在传输之前,内容被加密然后进一步加密。 一旦内容成功传输,它被解密以去除进一步的加密层 - 离开第一加密层完整,以在远程分发位置的海量存储上的存储期间保护视频游戏。
    • 44. 发明授权
    • Perpendicular magnetic recording head including extended yoke layer
    • 垂直磁记录头包括扩展磁轭层
    • US07477483B2
    • 2009-01-13
    • US11318016
    • 2005-12-23
    • Hiroshi Kamada
    • Hiroshi Kamada
    • G11B5/147
    • G11B5/1278
    • A perpendicular magnetic recording head capable of effectively inducing a recording magnetic field to a main magnetic pole front end portion and suppressing an occurrence of side fringing is provided. An auxiliary magnetic pole layer, which is a first magnetic portion, and a main magnetic pole layer, which is a second magnetic portion, disposed leaving a space to the above-described auxiliary magnetic pole layer are included, and a coil layer which applies a recording magnetic field to the above-described space between the auxiliary magnetic pole layer and the main magnetic pole layer is included. A yoke layer is disposed in contact with the above-described main magnetic pole layer, and the width dimension of the yoke layer is increased stepwise or continuously toward the rear in the height direction and the width dimension is increased stepwise or continuously from an upper surface toward a lower surface.
    • 提供了能够有效地将磁记录磁场引导到主磁极前端部并抑制侧边缘的发生的垂直磁记录头。 包括作为第一磁性部分的辅助磁极层和设置在上述辅助磁极层上留有空间的第二磁性部分的主磁极层,以及施加 记录磁场到辅助磁极层和主磁极层之间的上述空间。 磁轭层设置成与上述主磁极层接触,并且磁轭层的宽度尺寸在高度方向上向后方逐步或连续地增加,并且宽度尺寸从上表面逐步或连续地增加 朝向下表面。