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    • 26. 发明申请
    • METHOD FOR INPUT OUTPUT EXPANSION IN AN EMBEDDED SYSTEM UTILIZING CONTROLLED TRANSITIONS OF FIRST AND SECOND SIGNALS
    • 使用第一和第二信号控制过渡的嵌入式系统中的输入输出扩展方法
    • US20120173762A1
    • 2012-07-05
    • US13412341
    • 2012-03-05
    • Stephen Melvin
    • Stephen Melvin
    • G06F3/00
    • G06F13/4208
    • A method for expanding input/output in an embedded system is described in which no additional strobes or enable lines are necessary from the host controller. By controlling the transitions of the signal levels in a specific way when controlling two existing data or select lines, an expansion input and/or output device can generate a strobe and/or enable signal internally. This internal strobe and/or enable signal is then used to store output data or enable input data. The host controller typically utilizes software or firmware to control the data transitions, but no additional wires are needed, and no changes are needed to existing peripheral devices. Thus, an existing system can be expanded when there are no additional control lines available and no unused states in existing signals.
    • 描述了一种用于扩展嵌入式系统中的输入/输出的方法,其中不需要来自主机控制器的附加选通或使能线。 通过在控制两个现有数据或选择线时以特定方式控制信号电平的转变,扩展输入和/或输出装置可在内部产生选通和/或使能信号。 然后,该内部选通和/或使能信号用于存储输出数据或使能输入数据。 主机控制器通常利用软件或固件来控制数据转换,但不需要额外的电线,并且不需要对现有外围设备进行任何改变。 因此,当没有可用的附加控制线和现有信号中的未使用状态时,可以扩展现有系统。
    • 27. 发明申请
    • METHOD FOR INPUT OUTPUT EXPANSION IN AN EMBEDDED SYSTEM UTILIZING CONTROLLED TRANSITIONS OF FIRST AND SECOND SIGNALS
    • 使用第一和第二信号控制过渡的嵌入式系统中的输入输出扩展方法
    • US20100023648A1
    • 2010-01-28
    • US12573777
    • 2009-10-05
    • Stephen Melvin
    • Stephen Melvin
    • G06F3/00
    • G06F13/4208
    • A method for expanding input/output in an embedded system is described in which no additional strobes or enable lines are necessary from the host controller. By controlling the transitions of the signal levels in a specific way when controlling two existing data or select lines, an expansion input and/or output device can generate a strobe and/or enable signal internally. This internal strobe and/or enable signal is then used to store output data or enable input data. The host controller typically utilizes software or firmware to control the data transitions, but no additional wires are needed, and no changes are needed to existing peripheral devices. Thus, an existing system can be expanded when there are no additional control lines available and no unused states in existing signals.
    • 描述了一种用于扩展嵌入式系统中的输入/输出的方法,其中不需要来自主机控制器的附加选通或使能线。 通过在控制两个现有数据或选择线时以特定方式控制信号电平的转变,扩展输入和/或输出装置可在内部产生选通和/或使能信号。 然后,该内部选通和/或使能信号用于存储输出数据或使能输入数据。 主机控制器通常利用软件或固件来控制数据转换,但不需要额外的电线,并且不需要对现有外围设备进行任何改变。 因此,当没有可用的附加控制线和现有信号中的未使用状态时,可以扩展现有系统。
    • 28. 发明申请
    • APPARATUS FOR INPUT/OUTPUT EXPANSION WITHOUT ADDITIONAL CONTROL LINES
    • 用于输入/输出扩展的设备,无附加控制线
    • US20050267997A1
    • 2005-12-01
    • US10709084
    • 2004-04-12
    • Stephen Melvin
    • Stephen Melvin
    • G06F3/00G06F13/42
    • G06F13/4208
    • An apparatus for expanding I/O is described in which no additional strobes or enable lines are necessary from the host controller. By sequencing data in a specific way when output to two existing data or select lines, an expansion I/O device can generate a strobe or enable signal internally. This internal strobe or enable signal is then used to store output data or enable input data. The host controller needs software or firmware to perform the data sequencing, but no additional wires are needed, and no changes are needed to existing peripheral devices. Thus, an existing system can be expanded when there are no additional control lines available and no unused states in existing signals.
    • 描述了用于扩展I / O的装置,其中不需要来自主机控制器的附加选通或使能线。 通过在输出到两个现有数据或选择行时以特定方式排序数据,扩展I / O设备可以在内部产生选通或使能信号。 该内部选通或使能信号用于存储输出数据或使能输入数据。 主机控制器需要软件或固件来执行数据排序,但不需要额外的电线,并且不需要对现有外围设备进行任何更改。 因此,当没有可用的附加控制线和现有信号中的未使用状态时,可以扩展现有系统。
    • 29. 发明授权
    • Virtual self-destruction of stored information
    • 存储信息的虚拟自毁
    • US08812875B1
    • 2014-08-19
    • US12758475
    • 2010-04-12
    • Stephen Melvin
    • Stephen Melvin
    • H04L9/00G06F21/00H04L9/08G06F21/78
    • G06F21/88G06F21/602G06F21/6245G06F21/78G06F2221/2143G06F2221/2153H04L9/0891H04L9/0897
    • A method and apparatus are utilized to conveniently and swiftly render stored information inaccessible. Sensitive information is stored in an encrypted form and by eliminating the key or keys which are needed for decryption, the stored information becomes virtually destroyed. A variety of mechanisms and policies can be used to manage, set and eliminate decryption keys. In some cases decryption keys can be stored in volatile storage elements so that by merely interrupting power to the storage element, the decryption keys are eliminated. In this way, a manually controlled mechanism can be used to allow a user to accomplish a “self-destruct” of the stored information instantly without the need for the operation of any processor and without the need to change any stored information.
    • 使用方法和装置来方便地并且迅速地使存储的信息不可访问。 敏感信息以加密形式存储,并且通过消除解密所需的密钥或密钥,所存储的信息被虚拟地销毁。 可以使用各种机制和策略来管理,设置和消除解密密钥。 在一些情况下,解密密钥可以存储在易失性存储元件中,从而仅通过中断对存储元件的电力,消除了解密密钥。 以这种方式,可以使用手动控制的机制来允许用户立即完成所存储信息的“自毁”,而不需要任何处理器的操作,而不需要改变任何存储的信息。