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    • 26. 发明授权
    • Computer system and method to disable same when network cable is removed
    • 删除网线时,计算机系统和方法禁用相同
    • US6026492A
    • 2000-02-15
    • US965341
    • 1997-11-06
    • Daryl C. CromerHoward J. LockerErnest Nelson MandeseJames Peter Ward
    • Daryl C. CromerHoward J. LockerErnest Nelson MandeseJames Peter Ward
    • G08B21/00
    • G08B13/1418G06F21/88G06F2221/2143
    • Described is a computer system which is coupled to a remote computer via a network cable. The computer system has a normally closed enclosure and is capable of securing data retained within the system against unauthorized access. The computer system includes an erasable memory element mounted within the enclosure for selective activation to active and inactive states and for receiving and storing a security password when in the active state. A manually operable option switch is mounted within the enclosure. The option switch is operatively connected with the erasable memory element and manually settable by a user of the computer system for setting the erasable memory element to the active and inactive states. A cable removal detector is coupled to the enclosure and is operatively connected with the erasable memory element for detecting a disconnection of the cable and for clearing any stored security password from the erasable memory element in response to any switching of the cable removal detector between a first state and a second state.
    • 描述了经由网络电缆耦合到远程计算机的计算机系统。 计算机系统具有常闭外壳,并且能够保护系统中保留的数据,防止未经授权的访问。 计算机系统包括安装在机箱内的可擦除存储器元件,用于选择性地激活到主动和非活动状态,并且在处于活动状态时接收和存储安全密码。 手动可操作的选项开关安装在外壳内。 选项开关可操作地与可擦除存储元件连接,并且可由计算机系统的用户手动设置,用于将可擦除存储器元件设置为活动状态和非活动状态。 电缆去除检测器耦合到外壳并且与可擦除存储器元件可操作地连接,用于检测电缆的断开并且用于响应于电缆去除检测器在第一和第二电缆之间的任何切换而从可擦除存储器元件中清除所存储的安全密码 状态和第二状态。
    • 27. 发明授权
    • Computer system for sending an alert signal over a network when a cover
of said system has been opened
    • 用于当所述系统的盖已经打开时通过网络发送报警信号的计算机系统
    • US5945915A
    • 1999-08-31
    • US965140
    • 1997-11-06
    • Daryl C. CromerThi N. DangJan M. JanickHoward J. LockerDavid Rhoades
    • Daryl C. CromerThi N. DangJan M. JanickHoward J. LockerDavid Rhoades
    • G06F1/18G06F21/00G08B29/04G08B21/00
    • G06F21/86G06F1/181G08B29/046G06F2221/2143
    • Described is a computer system which is coupled to a remote computer via a network cable. The computer system has a normally closed enclosure and is capable of securing data retained within the system against unauthorized access and notifying the remote computer when an unauthorized access has occurred. The computer system includes an erasable memory element mounted within the enclosure for selective activation to active and inactive states and for receiving and storing a security password when in the active state. A manually operable option switch is mounted within the enclosure. The option switch is manually settable by a user of the computer system for setting the memory element to the active and inactive states. A tamper detection switch is mounted within the enclosure and operatively connected with the memory element for detecting opening of the enclosure and for generating a tamper alert signal and clearing any stored security password from the memory element in response to any switching of the tamper switch. The computer system further includes a network connector which is operative to receive the tamper alert signal and upon so receiving, transmit an alert packet over the communication line to the remote computer. The alert packet contains an alert message and information which specifically identifies the computer system.
    • 描述了经由网络电缆耦合到远程计算机的计算机系统。 计算机系统具有常闭外壳,并且能够保护系统中保留的数据免遭未经授权的访问,并且在未经授权的访问发生时通知远程计算机。 计算机系统包括安装在机箱内的可擦除存储器元件,用于选择性地激活到主动和非活动状态,并且在处于活动状态时接收和存储安全密码。 手动可操作的选项开关安装在外壳内。 选项开关由计算机系统的用户手动设置,用于将存储器元件设置为活动状态和非活动状态。 篡改检测开关安装在外壳内并与存储元件可操作地连接,用于检测外壳的打开,并响应于篡改开关的任何切换,产生篡改警报信号并从存储元件中清除任何存储的安全密码。 计算机系统还包括网络连接器,其可操作以接收篡改警报信号,并且在接收时,通过通信线路向远程计算机发送警报包。 警报包包含警报消息和专门识别计算机系统的信息。