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    • 1. 发明授权
    • Secure analog communication system using time and wavelength scrambling
    • 使用时间和波长加扰的安全模拟通信系统
    • US07609968B2
    • 2009-10-27
    • US11153650
    • 2005-06-15
    • Michael LeeRoberto Faria
    • Michael LeeRoberto Faria
    • H04J14/02
    • H04K1/003H04J14/02
    • Described are a secure communications system and method for transmitting analog signals. The secure communications system includes an analog multiplexer, an analog demultiplexer, a plurality of analog communications channels each at a different wavelength, and a pair of sequence logic modules. Analog signals applied to the analog multiplexer are scrambled onto the multiple communications channels. The demultiplexer descrambles the transmitted scrambled signals to reproduce the original analog signals. The sequence logic modules provide a channel selection signal to implement synchronous pseudorandom switching of the analog signals amongst the analog communication channels. The sequence of the switching between analog communications channels can be pseudorandom in sequence and in time. The channel selection signal is responsive to a key shared between the sequence logic modules. An attacker having access to the analog communications channels cannot retrieve the original analog signals without access to the shared key.
    • 描述了用于传输模拟信号的安全通信系统和方法。 安全通信系统包括模拟多路复用器,模拟解复用器,各不同波长的多个模拟通信信道以及一对序列逻辑模块。 施加到模拟多路复用器的模拟信号被加扰到多个通信信道上。 解复用器解扰发射的加扰信号以再现原始模拟信号。 序列逻辑模块提供一个信道选择信号以在模拟通信信道之间实现模拟信号的同步伪随机切换。 模拟通信信道之间切换的顺序可以按顺序和时间伪随机。 信道选择信号响应于序列逻辑模块之间共享的密钥。 访问模拟通信通道的攻击者无法检索原始模拟信号而无法访问共享密钥。
    • 10. 发明申请
    • DETERMINATION OF A MAGNETIC RESONANCE IMAGING PULSE SEQUENCE PROTOCOL CLASSIFICATION
    • 磁共振成像脉冲序列协议分类的确定
    • US20130338930A1
    • 2013-12-19
    • US14002206
    • 2012-02-21
    • Julien SenegasStefanie RemmeleMichael Lee
    • Julien SenegasStefanie RemmeleMichael Lee
    • G01R33/54G06F19/00
    • G01R33/54G01R33/543G01R33/546G01R33/5608G06F11/327G06F19/00G06F19/321G06F19/34G16H40/63
    • A medical imaging device (300) comprising a magnetic resonance imaging system (302). The medical image device further comprises a memory (334) containing machine executable instructions (370, 372, 374, 376, 378, 380, 382, 384, 386) for execution by a processor (328). Execution of the instructions causes the processor to receive (100, 204) a pulse sequence protocol (340). Execution of the instructions further causes the processor to determine (102, 206) a pulse sequence type classification (342) descriptive of the pulse sequence protocol. Execution of the instructions further cause the processor to determine (104, 208) a magnetic resonance contrast classification (344), wherein the choice of the magnetic resonance contrast classification depends upon the pulse sequence type classification. Execution of the instructions further causes the processor to determine (106, 210) a pulse sequence protocol classification (346). The pulse sequence protocol classification is determined by the pulse sequence type classification and the magnetic resonance contrast classification.
    • 一种包括磁共振成像系统(302)的医学成像装置(300)。 医学图像设备还包括用于由处理器(328)执行的机器可执行指令(370,372,374,376,378,380,382,384,386)的存储器(334)。 执行指令使得处理器接收(100,204)脉冲序列协议(340)。 执行指令还使处理器确定(102,206)描述脉冲序列协议的脉冲序列类型分类(342)。 执行指令还使得处理器确定(104,208)磁共振对比度分类(344),其中磁共振对比度分类的选择取决于脉冲序列类型分类。 执行指令还使处理器确定(106,210)脉冲序列协议分类(346)。 脉冲序列协议分类由脉冲序列类型分类和磁共振对比分类决定。