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    • 31. 发明授权
    • Method and apparatus for providing full duplex and multipoint IP audio streaming
    • 用于提供全双工和多点IP音频流的方法和装置
    • US07313593B1
    • 2007-12-25
    • US09695193
    • 2000-10-24
    • Brian PulitoMark JohnsonBrian ClineJeff DurhamMark KressinAndrew Lochbaum
    • Brian PulitoMark JohnsonBrian ClineJeff DurhamMark KressinAndrew Lochbaum
    • G06F15/16
    • G06Q10/10
    • A conference server enables collaborative communications among a variety of client processes of varying configurations all operatively coupled over a computer network to each other and to the server. The server receives audio streams from participating client processes in a conference, selects which audio streams are active, and broadcasts one or more of the active audio streams to the client processes participating in the conference depending on the clients receiving capabilities and the conference parameters. The client processes receiving multiple active audio streams perform mixing locally at the client node. Without having to perform mixing at the server, resources are saved and the number of simultaneous participating client processes to the conference may be increased accordingly. The server is further capable of simultaneously accommodating multipoint clients and non-multipoint H.323 clients, as well as operating in multiway and “push to talk” modes.
    • 会议服务器实现各种各样的配置的客户端进程之间的协作通信,这些配置都可以通过计算机网络彼此和服务器可操作地耦合。 服务器在会议中从参与的客户端进程接收音频流,选择哪些音频流是活动的,并且根据客户端的接收能力和会议参数,向参与会议的客户端进程广播一个或多个活动音频流。 接收多个活动音频流的客户端进程在客户端节点处本地进行混合。 无需在服务器上执行混合,节省资源,并可以相应地增加同时参与的会议客户端进程的数量。 该服务器还能够同时容纳多点客户端和非多点H.323客户端,以及以多路和“一键通”方式运行。
    • 33. 发明申请
    • Rail-Stabilized Driving Scheme With Image Memory For An Electrophoretic Display
    • 轨迹稳定驱动方案与电泳显示的图像存储器
    • US20070273637A1
    • 2007-11-29
    • US10599058
    • 2005-03-22
    • Guofu ZhouRogier CortieMark JohnsonLeendert Hage
    • Guofu ZhouRogier CortieMark JohnsonLeendert Hage
    • G09G3/34
    • G09G3/344G09G3/2007G09G2310/0245G09G2310/061G09G2310/068G09G2340/16
    • An image is updated on a bi-stable display (310) such as an electrophoretic display in a transition from a current image state to a subsequent image state. A voltage waveform (600, 620, 640, 660; 700, 720, 740, 760) is selected based on the current and subsequent image states, and a previous image state. The bi-stable display (310) is driven from the current image state to the subsequent image state using the selected voltage waveform. For a given transition from the current to the next image state, different waveforms are stored for different previous states, e.g., black, dark grey, light grey and white. The different waveforms may have different drive pulse (DR) or reset pulse (RE1, RE2) energies. In a trial and error optimization process, different waveforms with different reset and/or drive pulse energies are tested for different previous image states to see which waveform yields the smallest greyscale error.
    • 在从当前图像状态到后续图像状态的转变中,在双稳态显示器(310)上更新图像,例如电泳显示器。 基于当前和后续图像状态以及先前的图像状态来选择电压波形(600,620,640,660,700,720,740,760)。 使用所选择的电压波形,双稳态显示器(310)从当前图像状态驱动到后续图像状态。 对于从当前图像状态到下一图像状态的给定转换,存储不同的先前状态的不同波形,例如黑色,深灰色,浅灰色和白色。 不同的波形可能具有不同的驱动脉冲(DR)或复位脉冲(RE 1,RE 2)能量。 在试错误优化过程中,针对不同的先前图像状态测试具有不同复位和/或驱动脉冲能量的不同波形,以查看哪个波形产生最小的灰度误差。
    • 36. 发明申请
    • Context dependent multi-angle navigation technique for digital versatile discs
    • 用于数字通用光盘的上下文相关多角度导航技术
    • US20070189725A1
    • 2007-08-16
    • US11578904
    • 2005-04-19
    • Mark JohnsonJun LiuJoseph Rice
    • Mark JohnsonJun LiuJoseph Rice
    • H04N7/00H04N5/91
    • H04N5/85G11B27/105G11B27/3027G11B27/34G11B2220/2562H04N9/8042H04N9/8063H04N9/8205H04N9/8227
    • Selection of an audio-visual stream from among a plurality of streams occurs by first detecting a navigation packet within at least one stream that provides information concerning the stream, as well as those streams in lie in synchronism therewith. From the navigation packet, a determination is made which other streams lie in synchronism with the one stream, which audio and sub-picture data packets exist in each stream, and as well as which highlight information properties exist for selecting among the synchronized streams. At least one of the audio data packets, sub-picture data packets, or highlight information properties undergoes modification in accordance with information about at least one other synchronized stream to allow display of a viewer selectable button or the like to select among the synchronized streams and/or be presented with differing audio and/or sub-picture contents with each stream.
    • 通过首先检测提供关于流的信息的至少一个流中的导航分组以及与其同步的那些流,来进行从多个流中选择视听流。 从导航分组中,确定哪个其他流与每个流中存在哪个音频和子图像数据分组的一个流同步,以及存在哪些高亮度信息属性用于在同步流之间进行选择。 根据关于至少一个其他同步流的信息,音频数据分组,子图像数据分组或高亮度信息属性中的至少一个经历修改,以允许观看者可选按钮等的显示在同步的流中进行选择,以及 /或与每个流呈现不同的音频和/或子图像内容。
    • 40. 发明申请
    • Light apparatus
    • 灯光装置
    • US20070091633A1
    • 2007-04-26
    • US11542370
    • 2006-10-03
    • Kevin HarrityCory NelsonDavid CarlsonMark JohnsonScott DemarestMatthew DubinKenneth Michaels
    • Kevin HarrityCory NelsonDavid CarlsonMark JohnsonScott DemarestMatthew DubinKenneth Michaels
    • G02B6/00
    • F21S10/04F21S6/001F21V3/04F21Y2115/10G02B6/0011Y10S362/80
    • A light apparatus includes one or more light pipes and/or diffusers to transfer and/or diffuse light from a few point light sources to a broader area and to other points. A hollow light pipe includes a light transmissive sidewall that encompasses an interior space, which receives and hides control circuitry for the light sources therein. A bottom end surface of the hollow light pipe is disposed adjacent to one or more light sources and transmits the light therefrom over a relatively large, uniform area. A solid core light pipe has a light receiving end and a light dispersion end having a reflective facet therein. The reflective facet includes a depression forming a reflective surface angularly displaced from a longitudinal axis of the solid core light pipe. A light diffuser surrounding a point source of light is adapted to cause the point source to look like a flame. A light apparatus including the hollow light pipe and the solid core light pipe and/or the light diffuser is adapted to provide a plurality of different light effects, including a multi-color light show through the hollow light pipe and a flame flicker effect through the solid core light pipe.
    • 光装置包括一个或多个光管和/或扩散器,用于将来自几个点光源的光传输和/或漫射到更广泛的区域和其它点。 空心光管包括透光侧壁,其包围内部空间,其接收并隐藏其中的光源的控制电路。 中空光管的底端表面邻近一个或多个光源设置,并且在其上透过较大的均匀区域。 实芯光管具有光接收端和在其中具有反射面的光分散端。 反射小面包括形成从实芯光管的纵向轴线角度位移的反射表面的凹陷。 围绕点光源的光漫射器适于使点源看起来像火焰。 包括中空光管和实芯光管和/或光扩散器的光装置适于提供多种不同的光效果,包括通过中空光管的多色光显示和通过该中空光管的火焰闪烁效果 实芯光管。