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    • 71. 发明申请
    • VIDEO CONFERENCE SYSTEM AND METHOD IN A COMMUNICATION NETWORK
    • 通信网络中的视频会议系统和方法
    • US20070200925A1
    • 2007-08-30
    • US11672381
    • 2007-02-07
    • Tae-Seong Kim
    • Tae-Seong Kim
    • H04N7/14
    • H04N7/142G06T11/00H04N21/4318H04N21/4415
    • Image concealment video conference allows the user to conceal their image with an overlay image that will be shown in real-time to a peer during video conference. The real-time video concealment processes an image in a video stream, where the video stream is communicated from one video conference unit to a second video conference unit over a communication network. The real-time concealment is performed by first determining the prominent biometric features of the users image to recognize nodal points on a human face. The system then modifies the users image using a second image, so that at least one of the nodal points in the users image is covered by the second image. This modified image is then transmitted in real time to a peer in a video conference session.
    • 图像隐藏视频会议允许用户使用将在视频会议期间实时显示给对等体的覆盖图像来隐藏其图像。 实时视频隐藏处理视频流中的图像,其中通过通信网络将视频流从一个视频会议单元传送到第二视频会议单元。 通过首先确定用户图像的突出的生物特征来识别人脸上的节点来执行实时隐藏。 然后,系统使用第二图像修改用户图像,使得用户图像中的至少一个节点被第二图像覆盖。 然后将该修改的图像实时地传输到视频会议会话中的对等体。
    • 73. 发明授权
    • Flash memory program control circuit and method for controlling bit line voltage level during programming operations
    • 闪存程序控制电路和编程操作期间控制位线电压电平的方法
    • US07050334B2
    • 2006-05-23
    • US10921798
    • 2004-08-20
    • Tae-Seong KimMyoung-Kyu Seo
    • Tae-Seong KimMyoung-Kyu Seo
    • G11C16/00
    • G11C16/12G11C16/24
    • Provided are a program control circuit for flash memory devices and a control method utilizing such a circuit for controlling the bit line voltage level during programming operations for flash memory devices that include memory cells arranged in the form of a matrix, in which each of the memory cells is connected to a word line, a bit line, and a source line and which provides a program current to the bit line. The program control circuit includes a voltage level sensing control portion, a switching control portion, a current sink and a switching circuit. The voltage level sensing control portion is enabled or disabled in response to a first program control signal and compares the voltage of a bit line connected to a memory cell being programmed with a reference voltage and outputs a voltage control signal corresponding to the result of the comparison. The switching control portion outputs a switching bias signal in response to the voltage control signal and a second program control signal. The current sink provides a predetermined current to a ground voltage in response to a reference bias signal. The switching circuit, which is connected between the bit line and the current sink, is turned on or off in response to the switching bias signal.
    • 提供了一种用于闪速存储器件的程序控制电路和利用这种电路控制方法的控制方法,该电路用于在包括以矩阵形式布置的存储器单元的闪速存储器件的编程操作期间控制位线电压电平,其中存储器 单元连接到字线,位线和源极线,并且向位线提供程序电流。 程序控制电路包括电压电平检测控制部分,开关控制部分,电流吸收器和开关电路。 电压电平检测控制部分响应于第一程序控制信号被使能或禁止,并且将连接到正被编程的存储器单元的位线的电压与参考电压进行比较并输出与比较结果相对应的电压控制信号 。 切换控制部分响应于电压控制信号和第二程序控制信号输出切换偏置信号。 电流吸收器响应于参考偏置信号而向接地电压提供预定电流。 连接在位线和电流吸收器之间的开关电路响应于开关偏置信号而导通或截止。