发明名称 Advertising and golf practice device
摘要 An advertising and golf training device is provided with a ball impact detector, image display, a database of advertising images, controller for selecting an image from the database for display and displaying the image upon display in response to signal from the ball impact detector, and confirmation system.
申请公布号 US8715078(B1) 申请公布日期 2014.05.06
申请号 US201113237036 申请日期 2011.09.20
申请人 WHITE KEITH D.;WHITE KEVIN N. 发明人 WHITE KEITH D.;WHITE KEVIN N.
分类号 G06F17/00;A63B63/00;A63B71/00;G09F23/00;G09F23/04 主分类号 G06F17/00
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