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135 条记录 (耗时 0.048 秒)

    OFDM transmission and reception for non-OFDMA signals
    41.
    发明授权
    OFDM transmission and reception for non-OFDMA signals 有权
    非OFDM信号的OFDM发送和接收

    公开(公告)号：US07970085B2

    公开(公告)日：2011-06-28

    申请号：US11899248

    申请日：2007-09-05

    申请人： Amer A. Hassan ,  Christian Huitema

    发明人： Amer A. Hassan ,  Christian Huitema

    IPC分类号： H04L1/02

    CPC分类号： H04L27/265 ,  H04B1/0003 ,  H04L27/2601 ,  H04L27/2647 ,  H04L69/12 ,  H04L69/18 ,  H04W84/12

    摘要： Methods and apparatuses for Orthogonal Frequency-Division Multiplexing (OFDM) communication of non-OFDM radio signals are disclosed. The non-OFDM radio signals are force-modulated into OFDM signals. In one example, a non-OFDM signal is received and is processed into an OFDM signal to produce a created OFDM signal. An actual OFDM signal is also received and is processed together with the created OFDM signal.

    摘要翻译： 公开了非OFDM无线电信号的正交频分复用（OFDM）通信的方法和装置。 非OFDM无线电信号被强制调制成OFDM信号。 在一个示例中，接收非OFDM信号并将其处理成OFDM信号以产生所创建的OFDM信号。 实际的OFDM信号也被接收并与创建的OFDM信号一起被处理。

    VIDEO CAPTURE DEVICE PROVIDING MULTIPLE RESOLUTION VIDEO FEEDS
    43.
    发明申请
    VIDEO CAPTURE DEVICE PROVIDING MULTIPLE RESOLUTION VIDEO FEEDS 审中-公开
    提供多种分辨率视频馈送的视频捕获设备

    公开(公告)号：US20100289904A1

    公开(公告)日：2010-11-18

    申请号：US12466494

    申请日：2009-05-15

    申请人： Cha Zhang ,  Zhengyou Zhang ,  Zicheng Liu ,  Wanghong Yuan ,  Christian Huitema

    发明人： Cha Zhang ,  Zhengyou Zhang ,  Zicheng Liu ,  Wanghong Yuan ,  Christian Huitema

    IPC分类号： H04N7/08 ,  H04N7/24 ,  H04N5/225

    CPC分类号： H04N7/147 ,  H04N7/148

    摘要： Systems are disclosed that provide improved transfer speed of video data from a video capture device to a computing device using multiple video feeds respectively comprising different resolutions. A high-resolution image sensor is used to convert light images into a high-resolution video data stream. A down sampler converts the high-resolution video data stream to a low-resolution video data stream, so that both a low-resolution data stream and a high-resolution data stream are available. While the low resolution-data stream can be sent to the computing device, a digital signal processor (DSP) processes the high-resolution video data stream in accordance with an input control signal that is comprised of desired high-resolution video stream parameters derived from the low-resolution video data stream.

    摘要翻译： 公开了使用分别包括不同分辨率的多个视频进给提供视频数据从视频采集设备到计算设备的改进传送速度的系统。 高分辨率图像传感器用于将光图像转换成高分辨率视频数据流。 下采样器将高分辨率视频数据流转换为低分辨率视频数据流，使得低分辨率数据流和高分辨率数据流都可用。 尽管低分辨率数据流可被发送到计算设备，但数字信号处理器（DSP）根据输入控制信号处理高分辨率视频数据流，该输入控制信号包括从 低分辨率视频数据流。

    AMBULATORY PRESENCE FEATURES
    44.
    发明申请
    AMBULATORY PRESENCE FEATURES 有权
    有效存在功能

    公开(公告)号：US20100245536A1

    公开(公告)日：2010-09-30

    申请号：US12413782

    申请日：2009-03-30

    申请人： Christian Huitema ,  William A.S. Buxton ,  Jonathan E. Paff ,  Zicheng Liu ,  Rajesh Kutpadi Hegde ,  Zhengyou Zhang ,  Kori Marie Quinn ,  Jin Li ,  Michel Pahud

    发明人： Christian Huitema ,  William A.S. Buxton ,  Jonathan E. Paff ,  Zicheng Liu ,  Rajesh Kutpadi Hegde ,  Zhengyou Zhang ,  Kori Marie Quinn ,  Jin Li ,  Michel Pahud

    IPC分类号： H04N7/15

    CPC分类号： H04N7/147 ,  H04L12/1827 ,  H04N7/142 ,  H04N7/15 ,  H04N21/42203 ,  H04N21/4223 ,  H04N21/44213 ,  H04N21/4788 ,  H04N2007/145

    摘要： The claimed subject matter provides a system and/or a method that facilitates managing one or more devices utilized for communicating data within a telepresence session. A telepresence session can be initiated within a communication framework that includes two or more virtually represented users that communicate therein. A device can be utilized by at least one virtually represented user that enables communication within the telepresence session, the device includes at least one of an input to transmit a portion of a communication to the telepresence session or an output to receive a portion of a communication from the telepresence session. A detection component can adjust at least one of the input related to the device or the output related to the device based upon the identification of a cue, the cue is at least one of a movement detected, an event detected, or an ambient variation.

    摘要翻译： 所要求保护的主题提供了一种有助于管理用于在远程呈现会话内传送数据的一个或多个设备的系统和/或方法。 可以在通信框架内启动远程呈现会话，该通信框架包括在其中通信的两个或更多虚拟表示的用户。 至少一个虚拟表示的用户可以利用设备来实现远程呈现会话内的通信，该设备包括将通信的一部分传送到远程呈现会话的输入或输出以接收通信的一部分中的至少一个 从远程呈现会话。 检测部件可以基于提示的识别来调整与设备相关的输入或输出中的至少一个，所述提示是检测到的运动，检测到的事件或环境变化中的至少一个。

    AUTOMATIC NETWORK ADDRESS ASSIGNMENT IN A WIRELESS MESH
    45.
    发明申请
    AUTOMATIC NETWORK ADDRESS ASSIGNMENT IN A WIRELESS MESH 有权
    无线网络中的自动网络地址分配

    公开(公告)号：US20100214959A1

    公开(公告)日：2010-08-26

    申请号：US12392777

    申请日：2009-02-25

    申请人： Thomas W. Kuehnel ,  Alok Manchanda ,  Taroon Mandhana ,  Amer A. Hassan ,  Mukesh Karki ,  Christian Huitema ,  Yusuf Atas

    发明人： Thomas W. Kuehnel ,  Alok Manchanda ,  Taroon Mandhana ,  Amer A. Hassan ,  Mukesh Karki ,  Christian Huitema ,  Yusuf Atas

    IPC分类号： H04L12/28

    CPC分类号： H04L29/12264 ,  H04L29/12028 ,  H04L29/12066 ,  H04L29/1232 ,  H04L61/103 ,  H04L61/1511 ,  H04L61/2046 ,  H04L61/2092 ,  H04W8/26

    摘要： A computing environment containing a mesh network that is adapted to provide a reliable transport mechanism over which services may be delivered. Nodes of the mesh can automatically select routable addresses without conflicts, which allows nodes of the mesh to be accessed, even as the mesh changes through the addition or deletion of nodes. Also, nodes communicate with a protocol that supports service advertisements. These advertisements can identify mesh nodes that supply services, such as file or print servers, for which devices that have not yet connected to the network may be searching. Advertisements can also identify services to be used by nodes in the network, allowing, for example, a node to select a gateway providing a reliable connection to an external network. The mesh network can be used as a transport for communication using protocols, such as TCP/IP, that generally exhibit poor performance when using unreliable transports.

    摘要翻译： 一种包含网状网络的计算环境，其适于提供可传送服务的可靠传输机制。 网格的节点可以自动选择可路由的地址，而不会产生冲突，这允许网格的节点被访问，即使当网格通过添加或删除节点而改变时。 此外，节点与支持服务广告的协议进行通信。 这些广告可以识别提供诸如文件或打印服务器的服务的网状节点，对于尚未连接到网络的设备可能正在搜索的那些设备。 广告还可以识别要由网络中的节点使用的服务，例如，允许节点选择提供与外部网络的可靠连接的网关。 网状网络可以用作使用诸如TCP / IP的协议的通信的传输，当使用不可靠的传输时，通常表现出差的性能。

    VISUAL FEEDBACK FOR NATURAL HEAD POSITIONING
    46.
    发明申请
    VISUAL FEEDBACK FOR NATURAL HEAD POSITIONING 有权
    视觉反馈自然头位置

    公开(公告)号：US20100149310A1

    公开(公告)日：2010-06-17

    申请号：US12336534

    申请日：2008-12-17

    申请人： Zhengyou Zhang ,  Christian Huitema ,  Alejandro Acero

    发明人： Zhengyou Zhang ,  Christian Huitema ,  Alejandro Acero

    IPC分类号： H04N7/15

    CPC分类号： H04N7/147 ,  H04N7/15 ,  H04N21/42203 ,  H04N21/4223 ,  H04N21/4318 ,  H04N21/44218 ,  H04N21/4788

    摘要： A videoconferencing conferee may be provided with feedback on his or her location relative a local video camera by altering how remote videoconference video is displayed on a local videoconference display viewed by the conferee. The conferee's location may be tracked and the displayed remote video may be altered in accordance to the changing location of the conferee. The remote video may appear to move in directions mirroring movement of the conferee. This effect may be achieved by modeling the remote video as offset and behind a virtual portal corresponding to the display. The remote video may be displayed according to a view of the remote video through the virtual portal. As the conferee's position changes, the view through the portal changes, and the remote video changes accordingly.

    摘要翻译： 可以通过改变远程视频会议视频在与会者观看的本地视频会议显示器上的显示方式，来向视频会议与会者提供关于其本地摄像机的反馈。 可以跟踪与会者的位置，并且可以根据与会者的不同位置改变所显示的远程视频。 远程视频可能会显示为反映与会者移动的方向。 可以通过将远程视频建模为偏移并且对应于显示器的虚拟门户后面来实现该效果。 远程视频可以根据通过虚拟门户的远程视频的视图来显示。 随着与会者的职位发生变化，通过门户的视图会发生变化，远程视频也会相应变化。

    Wireless device discovery and configuration
    47.
    发明授权
    Wireless device discovery and configuration 有权
    无线设备发现和配置

    公开(公告)号：US07616594B2

    公开(公告)日：2009-11-10

    申请号：US11143385

    申请日：2005-06-02

    申请人： David A. Roberts ,  Amer A. Hassan ,  Abhishek Abhishek ,  Christian Huitema ,  Glenn Ward ,  Scott A. Manchester ,  Noel W. Anderson

    发明人： David A. Roberts ,  Amer A. Hassan ,  Abhishek Abhishek ,  Christian Huitema ,  Glenn Ward ,  Scott A. Manchester ,  Noel W. Anderson

    IPC分类号： H04B7/00

    CPC分类号： H04W48/14 ,  H04W8/245 ,  H04W48/20 ,  H04W60/00

    摘要： A wireless device that desires to be connected to a wireless network broadcasts itself and its capabilities to a network using an information element. The information element is provided with frames, such as management frames, in a channel that is not protected or encrypted. The information element is forwarded to one or more potential registrar devices. One of the registrar devices then provides configuration information to the enrollee, for example as a registrar information element. The configuration information may be passed out of band or in band, and may be passed using cryptography, which may involve public key cryptography, encryption with a PIN, or some other type of secure exchange.

    摘要翻译： 希望连接到无线网络的无线设备使用信息元素向网络广播自身及其能力。 信息元素在未被保护或加密的信道中被提供有诸如管理帧的帧。 信息元素被转发到一个或多个潜在的注册器设备。 然后，其中一个注册器设备向注册者提供配置信息，例如作为注册器信息元素。 配置信息可以被带外或带外传出，并且可以使用可能涉及公共密钥加密，PIN加密或某种其他类型的安全交换的加密来传递。

    Range extension between two wireless devices
    49.
    发明授权
    Range extension between two wireless devices 有权
    两个无线设备之间的范围扩展

    公开(公告)号：US07483412B2

    公开(公告)日：2009-01-27

    申请号：US11193875

    申请日：2005-07-29

    申请人： Abhishek Abhishek ,  Amer A. Hassan ,  Christian Huitema ,  Jiandong Ruan ,  Poovanpilli G. Madhavan

    发明人： Abhishek Abhishek ,  Amer A. Hassan ,  Christian Huitema ,  Jiandong Ruan ,  Poovanpilli G. Madhavan

    IPC分类号： H04Q7/24

    CPC分类号： H04L1/188

    摘要： A mechanism is provided to extend the range of wireless devices beyond the range limit that results from timing restrictions imposed by the IEEE 802.11 standard. The mechanism, which operates at the upper level of the 802.11 MAC, determines whether the wireless devices are far apart or not far apart. When the wireless devices are determined to be far apart, the standard retransmission protocol at the lower level of the 802.11 MAC is disabled and a custom ACK packet is utilized. Delivery of a transmitted packet is confirmed if the custom ACK packet is received within a maximum delay period that takes into account the longer propagation delay between wireless devices that are far apart.

    摘要翻译： 提供了一种机制来扩展无线设备的范围超出由IEEE 802.11标准施加的定时限制所产生的范围限制。 在802.11 MAC的较高级别运行的机制确定无线设备是否相距甚远。 当确定无线设备相距较远时，802.11 MAC的较低级别的标准重传协议被禁用，并且使用自定义ACK分组。 如果在最大延迟周期内接收到自定义ACK分组，则考虑到远距离的无线设备之间的较长传播延迟，确认发送的分组的传送。