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    • 3. 发明授权
    • Wireless network security using randomness
    • 无线网络安全使用随机性
    • US08204224B2
    • 2012-06-19
    • US12277225
    • 2008-11-24
    • Sheng XiaoWeibo Gong
    • Sheng XiaoWeibo Gong
    • G06F21/00
    • H04L9/0838H04L2209/80
    • The present invention provides systems and methods for securing communications in a wireless network by utilizing the inherent randomness of propagation errors to enable legitimate users to dynamically create a shared symmetric secret key. In one embodiment, the invention provides a system with two computers each having a wireless network adapter. The sending node encodes the frames, transmits the frames, determines if the frames were correctly received, retransmits the frames if they were not correctly received, stores the frames that were not retransmitted, and uses the stored frames to generate a secret key. The receiving node receives the encoded frames, determines if the frames were retransmitted, stores at least one of the frames that was not retransmitted, and uses the stored frames to generate the same secret key as the receiving node.
    • 本发明提供了通过利用传播错误的固有随机性来保证无线网络中的通信以使得合法用户能够动态创建共享对称秘密密钥的系统和方法。 在一个实施例中,本发明提供一种具有两个计算机的系统,每个计算机具有无线网络适配器。 发送节点对帧进行编码,发送帧,确定帧是否被正确接收,如果帧未被正确接收,重新发送帧,存储未重传的帧,并使用存储的帧来生成秘密密钥。 接收节点接收编码帧,确定帧是否被重发,存储未被重发的帧中的至少一个,并且使用所存储的帧来生成与接收节点相同的秘密密钥。
    • 4. 发明授权
    • Dynamic power control circuit of wireless communication device
    • 无线通信设备动态功率控制电路
    • US07336935B2
    • 2008-02-26
    • US11155719
    • 2005-06-20
    • David HoSheng XiaoChih-Chung Hung
    • David HoSheng XiaoChih-Chung Hung
    • H04B1/04
    • H04W52/52H03G3/3042H04W52/245
    • The present invention is to provide a dynamic power control circuit for a wireless communication device, which comprises a power detector, a comparator, a low pass filter and an adder disposed between a radio frequency auto-gain control circuit and an antenna thereof. A reference voltage is imposed on the adder to enable the power detector to detect and output signal voltage to the comparator which compares the received voltage with a specified received voltage limit and outputs a reference voltage to the low pass filter for filtering out the noise of the reference voltage and outputting it to the adder. The adder then adds the reference voltage and the specified reference voltage, and outputs the result to the radio frequency auto-gain control circuit for controlling the output power corresponding to the strength of the received signals.
    • 本发明提供一种用于无线通信设备的动态功率控制电路,其包括设置在射频自动增益控制电路及其天线之间的功率检测器,比较器,低通滤波器和加法器。 对加法器施加参考电压,使得功率检测器能够检测并输出信号电压给比较器,该比较器将接收电压与指定的接收电压限制进行比较,并将参考电压输出到低通滤波器,以滤除 参考电压并将其输出到加法器。 然后加法器将参考电压和指定的参考电压相加,并将结果输出到射频自动增益控制电路,用于控制与接收信号的强度对应的输出功率。
    • 6. 发明申请
    • Dynamic power control circuit of wireless communication device
    • 无线通信设备动态功率控制电路
    • US20060057979A1
    • 2006-03-16
    • US11155719
    • 2005-06-20
    • David HoSheng XiaoChih-Chung Hung
    • David HoSheng XiaoChih-Chung Hung
    • H04B1/04H01Q11/12
    • H04W52/52H03G3/3042H04W52/245
    • The present invention is to provide a dynamic power control circuit for a wireless communication device, which comprises a power detector, a comparator, a low pass filter and an adder disposed between a radio frequency auto-gain control circuit and an antenna thereof. A reference voltage is imposed on the adder to enable the power detector to detect and output signal voltage to the comparator which compares the received voltage with a specified received voltage limit and outputs a reference voltage to the low pass filter for filtering out the noise of the reference voltage and outputting it to the adder. The adder then adds the reference voltage and the specified reference voltage, and outputs the result to the radio frequency auto-gain control circuit for controlling the output power corresponding to the strength of the received signals.
    • 本发明提供一种用于无线通信设备的动态功率控制电路,其包括设置在射频自动增益控制电路及其天线之间的功率检测器,比较器,低通滤波器和加法器。 对加法器施加参考电压,使得功率检测器能够检测并输出信号电压给比较器,该比较器将接收电压与指定的接收电压限制进行比较,并将参考电压输出到低通滤波器,以滤除 参考电压并将其输出到加法器。 然后加法器将参考电压和指定的参考电压相加,并将结果输出到射频自动增益控制电路,用于控制与接收信号的强度对应的输出功率。
    • 7. 发明申请
    • Pressure inspector and method for inspecting liquid crystal display panels
    • 压力检查仪和液晶显示面板检测方法
    • US20050285105A1
    • 2005-12-29
    • US11168233
    • 2005-06-27
    • Tian-Sheng Xiao
    • Tian-Sheng Xiao
    • G01R31/26G02F1/13H01L21/66H01L23/58H01L29/10
    • G02F1/1309
    • A pressure inspector (1) for inspecting at least one liquid crystal display panel includes a roller (11), and a holder (12) holding the roller such that the roller is rotatable in the holder and can roll along the liquid crystal display panel. When the pressure inspector works, the rollers are positioned on a display surface of the LCD panel. Then, a certain pressure is applied to the handle to roll the rollers along the LCD panel. As the rollers roll along the LCD panel, one or more of the fan-shaped vanes extrude on the potential pressure dot if either of the rollers passes over a potential pressure dot. Accordingly, the existence of pressure dots is detected. By using the pressure inspector, the pressure dots in the liquid crystal display panel to be tested can be determined and found out quickly and correctly.
    • 用于检查至少一个液晶显示面板的压力检查器(1)包括辊(11)和保持辊的保持器(12),使得辊可以在保持器中旋转并且可以沿着液晶显示面板滚动。 当压力检查器工作时,辊子定位在LCD面板的显示表面上。 然后,将一定压力施加到手柄以沿着LCD面板滚动辊。 当辊子沿LCD面板滚动时,如果任一个辊子通过潜在的压力点,一个或多个扇形叶片挤压在潜在的压力点上。 因此,检测出压力点的存在。 通过使用压力检查器,可以快速,准确地确定和发现待测液晶显示面板中的压力点。
    • 8. 发明申请
    • WIRELESS NETWORK SECURITY USING RANDOMNESS
    • 使用随机的无线网络安全
    • US20090138715A1
    • 2009-05-28
    • US12277225
    • 2008-11-24
    • Sheng XiaoWeibo Gong
    • Sheng XiaoWeibo Gong
    • H04L9/00
    • H04L9/0838H04L2209/80
    • The present invention provides systems and methods for securing communications in a wireless network by utilizing the inherent randomness of propagation errors to enable legitimate users to dynamically create a shared symmetric secret key. In one embodiment, the invention provides a system with two computers each having a wireless network adapter. The sending node encodes the frames, transmits the frames, determines if the frames were correctly received, retransmits the frames if they were not correctly received, stores the frames that were not retransmitted, and applies a uses the stored frames to generate a secret key. The receiving node receives the encoded frames, determines if the frames were retransmitted, stores at least one of the frames that was not retransmitted, and uses the stored frames to generate the same secret key as the receiving node.
    • 本发明提供了通过利用传播错误的固有随机性来保证无线网络中的通信以使得合法用户能够动态创建共享对称秘密密钥的系统和方法。 在一个实施例中,本发明提供一种具有两个计算机的系统,每个计算机具有无线网络适配器。 发送节点对帧进行编码,发送帧,确定帧是否被正确接收,如果帧未被正确接收,则重发帧,存储未被重传的帧,并且应用使用所存储的帧来生成秘密密钥。 接收节点接收编码帧,确定帧是否被重发,存储未被重发的帧中的至少一个,并且使用所存储的帧来生成与接收节点相同的秘密密钥。