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    Optical monitoring apparatus with image-based distance accommodation
    31.
    发明授权
    Optical monitoring apparatus with image-based distance accommodation 有权
    具有图像距离调节功能的光学监控装置

    公开(公告)号：US07239720B2

    公开(公告)日：2007-07-03

    申请号：US09866011

    申请日：2001-05-25

    申请人： Toru Shima

    发明人： Toru Shima

    IPC分类号： G06K9/00

    CPC分类号： G08B13/19602 ,  G08B13/19613 ,  G08B13/19636 ,  G08B17/125

    摘要： An optical monitoring system is capable of automatically identifying whether a moving body is a monitored subject based upon information in an optical (i.e., video) image. A moving body detection sub-system images a monitored region and detects a moving body from changes over time in the image of the monitored region. A speed detection sub-system detects the speed of a moving body in the image plane (i.e., speed of the moving body image in the image plane). A scale detection sub-system detects the size of a moving body in the image plane (i.e., size of the moving body in the image plane). A moving body estimation sub-system decides whether a moving body is the monitored subject (e.g., a human being) based on the image plane speed detected by the speed detection sub-system and the image plane size detected by the scale detection sub-system.

    摘要翻译： 光学监视系统能够基于光学（即，视频）图像中的信息来自动识别移动体是否是受监视对象。 移动体检测子系统对被监视区域成像，并且根据监视区域的图像中随时间的变化来检测移动体。 速度检测子系统检测图像平面中的移动体的速度（即，图像平面中的移动体图像的速度）。 刻度检测子系统检测图像平面中的移动体的大小（即，图像平面中的移动体的大小）。 移动体估计子系统基于由速度检测子系统检测出的图像面速度和由比例检测子系统检测出的像面大小来判定移动体是被监视对象（例如，人） 。

    End configuration for a baseball bat
    34.
    发明授权
    End configuration for a baseball bat 有权
    棒球棒的最终配置

    公开(公告)号：US07137913B2

    公开(公告)日：2006-11-21

    申请号：US10949058

    申请日：2004-09-23

    申请人： Christopher S. Page ,  Leonard W. Brownlie ,  Peter M. Ostafichuk

    发明人： Christopher S. Page ,  Leonard W. Brownlie ,  Peter M. Ostafichuk

    IPC分类号： A63B59/06

    CPC分类号： A63B59/56 ,  A63B59/50 ,  A63B2060/006 ,  A63B2102/18

    摘要： An end configuration for a bat includes in one embodiment an end cap that has a base that is shaped to fit within the open end of the bat thereby to attach the end cap to the bat. The end cap also includes a convexly contoured end surface that is exposed when the end cap is attached to the bat. The end surface is roughened to reduce the aerodynamic drag when the bat is swung, thereby to increase the momentum of the bat for a given amount of force applied to swing the bat.

    摘要翻译： 蝙蝠的端部构造在一个实施例中包括具有底座的端盖，底座被成形为适合于蝙蝠的开口端内，从而将端盖附接到蝙蝠上。 端盖还包括凸起的轮廓端面，当端盖连接到蝙蝠上时，端面暴露。 当蝙蝠摆动时，端面被粗糙化以减小空气动力学阻力，从而增加蝙蝠的动量以施加一定量的施加在蝙蝠上的力。

    Active power factor correction
    35.
    发明授权
    Active power factor correction 有权
    有功功率因数校正

    公开(公告)号：US07088079B2

    公开(公告)日：2006-08-08

    申请号：US10344777

    申请日：2001-08-30

    申请人： Adrian Lefedjiev

    发明人： Adrian Lefedjiev

    IPC分类号： G05F1/70

    CPC分类号： H02M1/4225 ,  H02M2001/0006 ,  Y02B70/126

    摘要： An active power factor pre-converter having AC voltage input from a mains AC power supply and a DC output voltage, the pre-converter comprising adjustment means to adjust automatically, in operation, the DC output voltage as a function of the rectified AC voltage input.

    摘要翻译： 具有从市电交流电源输入的交流电压和直流输出电压的有源功率因数预变换器，所述预转换器包括调节装置，用于在操作中自动调整作为整流的交流电压输入的函数的直流输出电压 。

    Differential audio amplification system
    39.
    发明授权
    Differential audio amplification system 有权

    公开(公告)号：US07006643B2

    公开(公告)日：2006-02-28

    申请号：US09877689

    申请日：2001-06-08

    申请人： Jeffrey S. Anderson

    发明人： Jeffrey S. Anderson

    IPC分类号： H03F21/00

    CPC分类号： H03F3/68 ,  H03F3/45475 ,  H03F3/45928

    摘要： A universal host-powered multimedia speaker system derives its power from a host multimedia computer system chassis, rather than from a conventional dedicated speaker system power supply. The speaker system includes a pair of amplifiers with differential connections for receiving the audio signal and with differential output connections to the speaker to provide it with differential amplification. Differential input amplification amplifies the difference between the signals applied to the amplifiers and thereby rejects the common-mode noise, which including ground circuit electrical noise. Differential output amplification refers to a pair of amplifiers that generate output signals that are 180 degrees out of phase with each other. The differential output amplification provides rejection of power supply electrical noise components. This differential input/differential output host computer-powered speaker system provides low noise, high quality audio playback for multimedia speaker systems deriving power from the host multi-media computer system.