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    VIDEO CAMERA WITH IMPROVED ZOOM CAPABILITY
    1.
    发明公开
    VIDEO CAMERA WITH IMPROVED ZOOM CAPABILITY 失效
    具有改进的变焦能力VIDEO CAMERA

    公开(公告)号：EP0853855A1

    公开(公告)日：1998-07-22

    申请号：EP96933242.0

    申请日：1996-10-04

    申请人： Sensormatic Electronics Corporation

    发明人： ELY, Reuel, Andrew

    IPC分类号： G02B7 ,  G03B5 ,  H04N5

    CPC分类号： H04N5/23296 ,  H04N5/232

    摘要： A video camera (20) is operated to obtain a very rapid change in magnification. A target degree of magnification is achieved by rapid change in an electronic zoom factor provided by an image signal processing circuit (28). Either before or after the change in electronic zoom factor, simultaneous off-setting changes are carried out in the electronic zoom factor and in a mechanical zoom factor provided by the camera's optical system (22). The simultaneous off-setting changes in the two zoom factors occur at a rate consistent with practical operation of the mechanical drive components for the camera's optical system.

    DISTRIBUTED VIDEO DATA STORAGE IN VIDEO SURVEILLANCE SYSTEM
    2.
    发明公开
    DISTRIBUTED VIDEO DATA STORAGE IN VIDEO SURVEILLANCE SYSTEM 失效
    视频监控系统中的分布式视频数据存储

    公开(公告)号：EP0898840A1

    公开(公告)日：1999-03-03

    申请号：EP97925414.0

    申请日：1997-04-17

    申请人： Sensormatic Electronics Corporation

    发明人： ELY, Reuel, Andrew

    IPC分类号： G08B13 ,  G08B15 ,  H04N7

    CPC分类号： G08B13/19676 ,  G08B13/19619 ,  G08B13/19645 ,  G08B13/19695 ,  H04N7/181

    摘要： A video surveillance system includes a central control station (102) and a plurality of video cameras each mounted inside a dome housing unit (114). A video data buffer memory, storing compressed video data generated by the camera, is mounted with each camera in the respective dome unit. Data buffered at the dome units may be selectively protected from over-writing in response to alarm signals and then retrieved for display or tape-recording by the central control station. Both live and buffered video signals are transmitted in compressed form over the data network (112) that is also used for command, alarm and status messaging.

    CONTROLLING MOVEMENT OF VIDEO SURVEILLANCE CAMERAS
    3.
    发明公开
    CONTROLLING MOVEMENT OF VIDEO SURVEILLANCE CAMERAS 审中-公开
    控制视频监控摄像机的移动

    公开(公告)号：EP1121805A1

    公开(公告)日：2001-08-08

    申请号：EP99970822.5

    申请日：1999-10-14

    申请人： Sensormatic Electronics Corporation

    发明人： ELY, Reuel, Andrew ,  NELSON, Robert ,  WILLARD, Alan, E.

    IPC分类号： H04N7/18

    CPC分类号： H04N7/183

    摘要： A method for moving and controlling a video surveillance camera comprises the steps of supporting a video surveillance camera (26) for tilting movement about mutually perpendicular axes; transforming tilt and pan commands into angular movement commands; rotating the camera about the mutually perpendicular axes responsive to the angular movement commands, the video camera having a substantially hemispherical field of view as the camera is pivoted about the axes and the video camera generating a picture which is inverted relative to true horizontal over a portion of the field of view; automatically rotating the picture to substantially right-side-up orientation whenever necessary, whereby a right-side-up picture is provided throughout the field of view without continuous panning rotation of the video camera. In a corresponding system, a servo mechanism tilts the video camera, a motion controller transforms the tilt and pan commands and a video signal processor rotates the picture.

    摘要翻译： 一种用于移动和控制视频监视摄像机的方法包括以下步骤：支持视频监视摄像机（26）围绕相互垂直的轴线进行倾斜运动; 将倾斜和平移命令转换成角运动命令; 响应于角运动命令围绕相互垂直的轴旋转照相机，当照相机围绕轴枢转时，摄像机具有基本上半球形的视场，并且摄像机产生相对于真实水平在一部分 的视野; 在必要时自动地将图片旋转到基本上正面朝上的方位，由此在整个视场中提供正面向上的图片而没有视频摄像机的连续平移旋转。 在相应的系统中，伺服机构倾斜摄像机，运动控制器转换倾斜和平移命令，视频信号处理器旋转图像。