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    • 3. 发明授权
    • Method and apparatus for digitizing and compressing remote video signals
    • 用于数字化和压缩远程视频信号的方法和装置
    • US07684483B2
    • 2010-03-23
    • US10233299
    • 2002-08-29
    • Scott Coleman
    • Scott Coleman
    • H04N7/18
    • H04N21/4143H04N19/507
    • A method and apparatus for digitizing and compressing video signals for transmitting the signals between a remotely located computer and a host or local computer. The digitization and compression method and apparatus is capable of dividing frame buffers into cells and comparing image data from previously captured frame buffers to create synchronized video signals and transmit the video signals over an extended range by limiting the portions of the transmission bandwidth of pixel data transferred between the remote computer and the local computer. In an alternate embodiment of the present invention, a keyboard video mouse switch is disposed between the remotely located computer and the local computer.
    • 一种用于数字化和压缩用于在远程位置的计算机和主机或本地计算机之间传送信号的视频信号的方法和装置。 数字化和压缩方法和装置能够将帧缓冲器分成单元并且比较来自先前捕获的帧缓冲器的图像数据以创建同步的视频信号并通过限制传输的像素数据的传输带宽的部分在扩展范围内传输视频信号 在远程计算机和本地计算机之间。 在本发明的替代实施例中,键盘视频鼠标开关设置在位于远程的计算机和本地计算机之间。
    • 4. 发明授权
    • System bus termination status detection
    • 系统总线终端状态检测
    • US5583448A
    • 1996-12-10
    • US339908
    • 1994-11-14
    • Rodney CorderDavin StockwellScott Coleman
    • Rodney CorderDavin StockwellScott Coleman
    • G06F3/00H04L12/40H03K19/00H03K17/16
    • H04L12/40032H04L12/40045
    • A system has the capability to determine the termination status of a data-communication bus therein. The system includes a source of a bus signal from a bus, a selectively activated current sink that communicates with the source of the bus signal, with a detection activation input, and a source of a detection signal in communication with the detection activation input of the current sink. There is a source of a first reference voltage, and a source of a second reference voltage, the second reference voltage being less than the first reference voltage. A high-termination comparator has an upper voltage input that communicates with the source of the bus signal, a lower voltage input that communicates with the source of the first reference voltage, and a logical high-termination output. A low-termination comparator has a lower voltage input that communicates with the source of the bus signal, an upper voltage input that communicates with the source of the second reference voltage, and a logical low-termination output. The detection circuitry is activated by applying a voltage through the source of the detection signal when the bus is idle and a near-end, local termination of the bus is disconnected, and monitoring the logical high-termination and the logical low-termination outputs.
    • 系统具有确定其中的数据通信总线的终止状态的能力。 该系统包括来自总线的总线信号源,与总线信号的源通信的选择性激活的电流接收器与检测激活输入,以及与检测激活输入的检测激活输入通信的检测信号的源 当前水槽 存在第一参考电压的源和第二参考电压的源,第二参考电压小于第一参考电压。 高终端比较器具有与总线信号源通信的较高电压输入,与第一参考电压源通信的较低电压输入和逻辑高端接输出。 低终端比较器具有与总线信号源通信的较低电压输入,与第二参考电压源通信的高电压输入和逻辑低端输出。 当总线空闲并且总线的近端局部终端断开并且监视逻辑高端接和逻辑低端输出时,通过在检测信号源上施加电压来激活检测电路。
    • 6. 发明授权
    • Method and apparatus for caching, compressing and transmitting video signals
    • 用于缓存,压缩和传输视频信号的方法和装置
    • US07606314B2
    • 2009-10-20
    • US10898001
    • 2004-07-22
    • Scott ColemanSwen Anderson
    • Scott ColemanSwen Anderson
    • H04N7/18
    • G06F3/1454G06F12/0875G09G2370/24H04N19/137H04N19/176H04N19/423H04N19/507H04N21/4143
    • Disclosed is a method and apparatus for transmitting video signals from a remote computer to a local computer over a network such as a LAN, WAN, the Internet, etc. The method receives and digitizes signals from the remote computer, conditions the signals, and compresses the signals for efficient transmission over the network connection. The method and apparatus also utilizes a cache of recently transmitted video to further decrease the data needed for transmission of the signals. The conditioning and caching use frame buffers of video signals that are divided into cells to reduce noise in the image, and to limit the portions of the video signals that must be transmitted. The present invention maybe used in conjunction with a keyboard video mouse switch to enable a user at the local computer to select one of a number of remote devices for remote operation.
    • 公开了一种用于通过诸如LAN,WAN,因特网等网络从远程计算机将视频信号发送到本地计算机的方法和装置。该方法和装置接收并数字化来自远程计算机的信号,调节信号并压缩 通过网络连接高效传输的信号。 该方法和装置还利用最近传输的视频的高速缓存来进一步减少信号传输所需的数据。 调理和缓存使用分割成单元的视频信号的帧缓冲器来减少图像中的噪声,并限制必须传输的视频信号的部分。 本发明可以与键盘视频鼠标开关结合使用,以使得本地计算机上的用户能够选择多个远程设备中的一个用于远程操作。
    • 10. 发明申请
    • Method And Apparatus For Digitizing And Compressing Remote Video Signals
    • 用于数字化和压缩远程视频信号的方法和装置
    • US20100225658A1
    • 2010-09-09
    • US12728998
    • 2010-03-22
    • Scott Coleman
    • Scott Coleman
    • H04N7/12G09G5/36
    • H04N21/4143H04N19/507
    • A method and apparatus for digitizing and compressing video signals for transmitting the signals between a remotely located computer and a host or local computer. The digitization and compression method and apparatus is capable of dividing frame buffers into cells and comparing image data from previously captured frame buffers to create synchronized video signals and transmit the video signals over an extended range by limiting the portions of the transmission bandwidth of pixel data transferred between the remote computer and the local computer. In an alternate embodiment of the present invention, a keyboard video mouse switch is disposed between the remotely located computer and the local computer.
    • 一种用于数字化和压缩用于在远程位置的计算机和主机或本地计算机之间传送信号的视频信号的方法和装置。 数字化和压缩方法和装置能够将帧缓冲器分成单元并且比较来自先前捕获的帧缓冲器的图像数据以创建同步的视频信号并通过限制传输的像素数据的传输带宽的部分在扩展范围内传输视频信号 在远程计算机和本地计算机之间。 在本发明的替代实施例中,键盘视频鼠标开关设置在位于远程的计算机和本地计算机之间。