Video transmitting apparatus
    1.
    发明授权
    Video transmitting apparatus 失效
    视频发送装置

    公开(公告)号:US06215781B1

    公开(公告)日:2001-04-10

    申请号:US09007171

    申请日:1998-01-14

    IPC分类号: H04J300

    CPC分类号: H04N7/181 H04N5/268 H04N7/104

    摘要: A video transmitting apparatus having a plurality of transmission medium for transmitting multiplexed video information, a plurality of video information receiving units each connected to a corresponding transmission medium to receive specific video information on the corresponding transmission medium, a video displaying unit for displaying video information, a switcher for connecting the video displaying unit to any one of the video information receiving units to supply video information to the video displaying unit, and a video display requesting unit for communicating with each of the video information receiving units and the switcher to request to display specific video information on the video displaying unit by giving instructions to a relevant video information receiving unit which can receive the specific video information and the switcher.

    摘要翻译: 一种视频发送装置,具有用于发送多路复用视频信息的多个传输介质,多个视频信息接收单元,每个视频信息接收单元各自连接到对应的传输介质以在相应的传输介质上接收特定的视频信息;视频显示单元,用于显示视频信息; 用于将视频显示单元连接到视频信息接收单元中的任何一个以向视频显示单元提供视频信息的切换器,以及用于与每个视频信息接收单元和切换器通信以请求显示的视频显示请求单元 通过向可以接收特定视频信息和切换器的相关视频信息接收单元给出指令,在视频显示单元上的特定视频信息。

    Picture transmission system
    2.
    发明授权
    Picture transmission system 失效
    图片传输系统

    公开(公告)号:US5953044A

    公开(公告)日:1999-09-14

    申请号:US782147

    申请日:1997-01-10

    CPC分类号: H04N7/181

    摘要: A picture transmission system capable of establishing arbitrary picture connections with picture inputting units exceeding in number channel resources of a transmission medium for multiplexing and transmitting video information taken through the picture inputting units. A picture sending state storage unit provided corresponding to each of the picture inputting units virtually retains channel resources whose number equals the number of picture outputting units to which the picture inputting units are in connection. For picture connection switching from one picture outputting unit to a different picture inputting unit, the picture sending state storage unit gives its channel resource to the different picture inputting unit. The system is provided with a picture connection managing unit for controlling the picture connections between the picture inputting units and the picture outputting units. The picture connection managing unit accepts a picture connection request to perform the centralized management of channel resources of the transmission medium to allow dynamic channel resource allocation. Under control of the picture connection managing unit, the picture connection between the picture inputting unit and the picture outputting unit takes place through an allocated channel resource.

    摘要翻译: 一种图像传输系统,其能够与图像输入单元建立任意图像连接,所述图像输入单元超过用于复用和传输通过图像输入单元拍摄的视频信息的传输介质的信道资源。 与每个图像输入单元相对应地设置的图像发送状态存储单元实际上保留了数量等于图像输入单元连接的图像输出单元的数量的信道资源。 对于从一个图像输出单元到另一图像输入单元的图像连接切换,图像发送状态存储单元将其信道资源给予不同的图像输入单元。 该系统设置有用于控制图像输入单元和图像输出单元之间的图像连接的图像连接管理单元。 图像连接管理单元接受图像连接请求,对传输介质的信道资源进行集中管理,以允许动态信道资源分配。 在图像连接管理单元的控制下,图像输入单元和图像输出单元之间的图像连接通过分配的频道资源进行。

    Video monitor system
    3.
    发明授权
    Video monitor system 失效
    视频监控系统

    公开(公告)号:US5745167A

    公开(公告)日:1998-04-28

    申请号:US661783

    申请日:1996-06-13

    IPC分类号: H04N5/225 H04N7/18

    CPC分类号: H04N7/181

    摘要: A video monitor system comprises a transmitting medium, video cameras, monitors, VTR, monitor terminals, a control portion and a transmitting medium having channels of video signals and a data channel coupling these units. The video monitor receives a request of a desired camera and a desired monitor and supplies the data indicative the request. The control portion receives the data indicative of the request and determines one of channels and operates the desired camera and desired monitor thorough the determined one of channels to display a video signal on the desired monitor. The VTR records one of video signals from a desired video camera through determined one of channels. A priority is judged to control one video camera which are requested to be operated by two monitor control terminals at the same time. A diagnostic function for detecting a defect and a location in the transmitting medium and a sequential operation function are also provided. The control portion operates in two modes which can be alternately executed by storing conditional data of two modes. An integrated video monitor system having two video monitor systems mentioned above and a center monitor for displaying a video signal from either of one of video camera of either of the monitor systems is also disclosed.

    摘要翻译: 视频监视器系统包括发送介质,摄像机,监视器,VTR,监视终端,具有视频信号通道的控制部分和发送介质以及耦合这些单元的数据信道。 视频监视器接收所需摄像机和所需监视器的请求,并提供指示请求的数据。 控制部分接收指示该请求的数据,并且确定一个通道,并操作所需的相机和期望的监视器,以确定所确定的一个通道以在期望的监视器上显示视频信号。 VTR通过确定的一个通道记录来自期望的摄像机的视频信号之一。 判断优先权同时控制由两个监控控制终端请求操作的一个摄像机。 还提供了用于检测发送介质中的缺陷和位置的诊断功能以及顺序操作功能。 控制部分以两种模式操作,可以通过存储两种模式的条件数据交替执行。 还公开了一种具有上述两个视频监视器系统的集成视频监视器系统和用于显示任一监视器系统的摄像机中的任一个的视频信号的中央监视器。

    Video/audio synchronizing apparatus
    4.
    发明授权
    Video/audio synchronizing apparatus 失效
    视频/音频同步装置

    公开(公告)号:US07711244B2

    公开(公告)日:2010-05-04

    申请号:US10493932

    申请日:2002-10-28

    IPC分类号: H04N7/08

    摘要: A video and audio reproducing apparatus is provided with a re-synchronization controlling portion (20) for carrying out operation control with respect to re-synchronization of video and audio which are transmitted via an IP network, wherein the delay times of video data and audio data are controlled by the video delay controlling portion (21) and audio delay controlling portion (22), respectively, thereby carrying out re-synchronization. At this time, the re-synchronization controlling portion (20) judges re-synchronization timing on the basis of the audio level of audio data, encoding video type of video data, data transmission status and user operation, etc., and at the same time, judges the priority for which mode of the video priority mode or the audio priority mode the re-synchronization is carried out, on the basis of a fluctuation in the arrival time of audio data, data transmission status, contents of video data and audio data and user operation, etc. And, the delay amount for synchronization is determined by executing a prescribed re-synchronization algorithm at the re-synchronization timing to control the video delay controlling portion (21) and the audio delay controlling portion (22), wherein disturbances in video and audio can be mitigated when carrying out re-synchronization.

    摘要翻译: 视频和音频再现装置设置有用于执行通过IP网络发送的视频和音频的再同步的操作控制的再同步控制部分(20),其中视频数据和音频的延迟时间 数据分别由视频延迟控制部分(21)和音频延迟控制部分(22)控制,从而进行再同步。 此时,再同步控制部(20)根据音频数据的音频电平,编码视频数据的视频类型,数据发送状态和用户操作等来判断再同步定时,并且在同一时刻 时间,基于音频数据的到达时间的波动,数据传输状态,视频数据和音频的内容,判断执行视频优先模式或音频优先模式的重新同步的模式的优先级 数据和用户操作等。并且,通过在再同步定时执行规定的再同步算法来确定用于同步的延迟量,以控制视频延迟控制部分(21)和音频延迟控制部分(22), 其中当执行再同步时,可以减轻视频和音频中的干扰。

    Video/audio synchronizing apparatus
    6.
    发明申请
    Video/audio synchronizing apparatus 失效
    视频/音频同步装置

    公开(公告)号:US20050019020A1

    公开(公告)日:2005-01-27

    申请号:US10493932

    申请日:2002-10-28

    摘要: A video and audio reproducing apparatus is provided with a re-synchronization controlling portion (20) for carrying out operation control with respect to re-synchronization of video and audio which are transmitted via an IP network, wherein the delay times of video data and audio data are controlled by the video delay controlling portion (21) and audio delay controlling portion (22), respectively, thereby carrying out re-synchronization. At this time, the re-synchronization controlling portion (20) judges re-synchronization timing on the basis of the audio level of audio data, encoding video type of video data, data transmission status and user operation, etc., and at the same time, judges the priority for which mode of the video priority mode or the audio priority mode the re-synchronization is carried out, on the basis of a fluctuation in the arrival time of audio data, data transmission status, contents of video data and audio data and user operation, etc. And, the delay amount for synchronization is determined by executing a prescribed re-synchronization algorithm at the re-synchronization timing to control the video delay controlling portion (21) and the audio delay controlling portion (22), wherein disturbances in video and audio can be mitigated when carrying out re-synchronization.

    摘要翻译: 视频和音频再现装置设置有用于执行通过IP网络发送的视频和音频的再同步的操作控制的再同步控制部分(20),其中视频数据和音频的延迟时间 数据分别由视频延迟控制部分(21)和音频延迟控制部分(22)控制,从而进行再同步。 此时,再同步控制部(20)根据音频数据的音频电平,编码视频数据的视频类型,数据发送状态和用户操作等来判断再同步定时,并且在同一时刻 时间,基于音频数据的到达时间的波动,数据传输状态,视频数据和音频的内容,判断执行视频优先模式或音频优先模式的重新同步的模式的优先级 数据和用户操作等。并且,通过在再同步定时执行规定的再同步算法来确定用于同步的延迟量,以控制视频延迟控制部分(21)和音频延迟控制部分(22), 其中当执行再同步时,可以减轻视频和音频中的干扰。

    Focusing error detecting apparatus
    7.
    发明授权
    Focusing error detecting apparatus 失效
    聚焦误差检测装置

    公开(公告)号:US5161139A

    公开(公告)日:1992-11-03

    申请号:US461035

    申请日:1990-01-04

    IPC分类号: G11B7/09

    CPC分类号: G11B7/0909

    摘要: In an apparatus for detecting a focusing error of an objective lens, a light beam reflected from an optical disk passes the objective lens and is reflected from a beam splitter. The reflected light beam is incident on a cylindrical lens so that the light beam is converged in one direction by the cylindrical lens. The converged light beam is incident on first and second triangular prisms so that it is divided into two beams and the two beams are guided into different directions and form beam spots on photo-detectors, respectively. In the respective triangular prism, light rays of the light beam pass through different optical paths. Thus, an aberration is applied to the light beam from the prisms. Accordingly, the shape of each beam spot on the photo-detector is changed in accordance with a focusing error.

    摘要翻译: 在用于检测物镜的聚焦误差的装置中,从光盘反射的光束通过物镜并从分束器反射。 反射光束入射到柱面透镜上,使得光束通过柱面透镜在一个方向上会聚。 会聚的光束入射在第一和第二三角棱镜上,使得它被分成两束,两束被引导到不同的方向,并分别在光检测器上形成光束点。 在相应的三角棱镜中,光束的光线通过不同的光路。 因此,对来自棱镜的光束施加像差。 因此,光检测器上的每个光点的形状根据聚焦误差而改变。

    Client/server multimedia presentation system
    8.
    发明申请
    Client/server multimedia presentation system 审中-公开
    客户/服务器多媒体演示系统

    公开(公告)号:US20050091691A1

    公开(公告)日:2005-04-28

    申请号:US10978450

    申请日:2004-11-02

    摘要: A method of presenting, at a client terminal, a video program stored in a server linked with the client terminal via transmission path of a limited transmission band width. Each frame of the video program comprises a basic data portion and at least one level of quality supplement data portions. In the method, in response to one of play control commands from a user, the client terminal determines a start position in the video program according to the issued play control command. The play control commands includes a play, a stop, a head search, a jump forward and a jump backward command. In response to the issued play command, the terminal obtains and uses the basic data portions for playing the video program. In response to the stop command, the terminal obtains the quality supplement data portions for the last displayed frame and uses them for displaying a quality-enhanced version of the last displayed frame.

    摘要翻译: 一种在客户端终端通过有限传输带宽的传输路径呈现存储在与客户终端链接的服务器中的视频节目的方法。 视频节目的每个帧包括基本数据部分和至少一个级别的质量补充数据部分。 在该方法中,响应于来自用户的播放控制命令之一,客户终端根据所发出的播放控制命令确定视频节目中的开始位置。 播放控制命令包括播放,停止,头部搜索,向前跳转和跳转后退命令。 响应于发出的播放命令,终端获得并使用用于播放视频节目的基本数据部分。 响应于停止命令,终端获取最后显示的帧的质量补充数据部分,并使用它们来显示最后显示的帧的质量增强版本。