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    • 7. 发明授权
    • Method and apparatus for remote ROM flashing and security management for a computer system
    • 用于计算机系统的远程ROM闪存和安全管理的方法和装置
    • US06223284B1
    • 2001-04-24
    • US09070942
    • 1998-04-30
    • Manuel NovoaPaul H. McCannWayne P. SharumAdrian CrisanPaul B. Hokanson
    • Manuel NovoaPaul H. McCannWayne P. SharumAdrian CrisanPaul B. Hokanson
    • G06F1300
    • G06F21/79G06F21/572G06F2211/1097
    • A remote flash ROM and security package is formed and delivered to a system ROM of a target computer system for remote flashing of the ROM and remote configuration of security settings for the computer system. The remote flash ROM and security package includes flash ROM and security control code for calling a remote flash and security driver to execute a remote flash or to remotely configure a security setting, a file containing a “signed” ROM image to be flashed to the ROM, a security settings file which preferably is encrypted, and a remote flash and security control container for containing the flash ROM and security code, the ROM image, and the security settings file. The remote flash and security driver may be included in the remote flash ROM and security package or may be resident to the target computer system. In the preferred embodiment, the computer system includes a secure memory device containing an administrator password for locking and unlocking the ROM. The remote flash ROM and security package preferably includes an administrator password matching the administrator password stored in the secure memory device to place the computer system in an administrator mode. A system ROM thereby may be flashed or a security setting changed remotely without the need for a user to enter an administrator password. Further, flashing the ROM or changing a security setting occurs as an “inband” process. Flashing a ROM or changing a security setting by remotely providing an administrator password to a secure memory device eliminates the need to reboot a computer system after downloading the ROM and security package.
    • 形成远程闪存ROM和安全包,并将其传送到目标计算机系统的系统ROM,以远程闪烁ROM和用于计算机系统的安全设置的远程配置。 远程闪存ROM和安全软件包包括闪存ROM和用于调用远程闪存和安全驱动程序来执行远程闪存或远程配置安全设置的安全控制代码,包含要闪存到ROM的“已签名”ROM映像的文件 优选地被加密的安全设置文件以及用于包含闪存ROM和安全代码,ROM映像和安全设置文件的远程闪存和安全控制容器。 远程闪存和安全驱动程序可能包含在远程闪存ROM和安全包中,或者可能驻留在目标计算机系统中。 在优选实施例中,计算机系统包括一个包含用于锁定和解锁ROM的管理员密码的安全存储器装置。 远程闪存ROM和安全包优选地包括与存储在安全存储器设备中的管理员密码相匹配的管理员密码,以将计算机系统置于管理员模式。 因此,可以闪烁系统ROM或远程改变安全设置,而不需要用户输入管理员密码。 此外,闪烁ROM或改变安全设置作为“带内”过程发生。 通过向安全存储设备远程提供管理员密码来刷新ROM或更改安全设置,无需在下载ROM和安全包后重新启动计算机系统。
    • 8. 发明授权
    • Typing power
    • 打字功能
    • US5911529A
    • 1999-06-15
    • US885089
    • 1997-06-30
    • Adrian Crisan
    • Adrian Crisan
    • B41J5/08G06F1/26G06F3/02
    • G06F3/0202G06F1/26H03K17/972H01H2239/076H03K2217/94042
    • A keyboard power generator provides a plurality of keys with one or more magnets mounted thereon. Additionally, a plurality of coils are mounted on both ends of the magnet such that, when the user is typing, the magnet traverses the coils. The movement of the magnet over the coils causes a current to be generated. In one embodiment, one magnet is mounted per key on the keyboard. In a second embodiment, a plurality of magnets are mounted per key to enhance the power generation capability of the keyboard. The currents generated collectively by the keys are provided to a charge pump which multiplies the voltage to achieve a level greater than the voltage level of the battery to be charged. The multiplied voltage is provided to a charging circuitry such as a trickle charger to recharge the battery. In this manner, the more information entered by the user, the more electricity is generated by the keyboard power generator. The energy provided by the keyboard of the present invention can be used to lengthen the operating period of the portable computer, or alternative, can be used to reduce the size of the primary battery so as to result in a lighter portable computer.
    • 键盘发电机提供多个键,其中安装有一个或多个磁体。 此外,多个线圈安装在磁体的两端,使得当用户正在打字时,磁体横过线圈。 磁体在线圈上的运动导致产生电流。 在一个实施例中,每个键在键盘上安装一个磁体。 在第二实施例中,每个键安装多个磁体以增强键盘的发电能力。 通过键集中产生的电流被提供给电荷泵,该电荷泵将电压倍增以实现高于要充电的电池的电压电平的电平。 倍增电压被提供给诸如涓流充电器的充电电路以对电池再充电。 以这种方式,用户输入的信息越多,键盘发电机产生的电量就越多。 本发明的键盘提供的能量可以用于延长便携式计算机的操作周期,或者替代方案可以用于减小一次电池的尺寸,从而导致更轻便的便携式计算机。