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1. 发明授权

US5784054A Surface acoustic wave touchscreen with housing seal 失效
标题翻译：表面声波触摸屏带外壳密封
公开(公告)号：US5784054A
公开(公告)日：1998-07-21
申请号：US621127
申请日：1996-03-22
申请人： Donald B. Armstrong , Jeffrey W. Asher , Susan P. Benitez , Richard A. Jones , Joel C. Kent , Michael L. Lewis , Robert C. Phares
发明人： Donald B. Armstrong , Jeffrey W. Asher , Susan P. Benitez , Richard A. Jones , Joel C. Kent , Michael L. Lewis , Robert C. Phares
IPC分类号： G06F3/033 , G06F3/043 , G06F3/048 , B65D53/00 , G06F3/03 , G09G5/00
CPC分类号： G06F3/0436 , G06F3/0418
摘要： An effective seal for protecting a touchscreen and associated electronics from liquid infiltration, the seal being placed between the housing and the surface of the touchscreen and configured to surround the useful touchscreen area. The seal is preferably formed of a closed cell foam covered on the surface which contacts the touchscreen surface with a liquid impervious barrier, or an expanded polymer such as expanded PTFE. The seal may be secured to the bezel edge by a transfer adhesive coating applied to the bezel edge, except for a relatively thin edge strip along the inner edge of the bezel end, so that substantially no adhesive is present on a free surface of the seal body proximate to the window aperture of the bezel. Preferably, a smooth surface is provided for adhering the seal body to the bezel. The seal body may be compressed between the bezel and touchscreen surface to effect a seal.
摘要翻译：用于保护触摸屏和相关电子元件免受液体渗透的有效密封件，所述密封件被放置在所述壳体和所述触摸屏的表面之间并且被配置为围绕所述有用的触摸屏区域。密封件优选由覆盖在与触摸屏表面接触的表面上的具有液体不可渗透屏障的封闭泡沫泡沫或膨胀聚合物如膨胀PTFE形成。密封件可以通过施加到边框边缘的转移粘合剂涂层固定到边框边缘，除了沿着边框端部的内边缘的相对薄的边缘条带，使得在密封件的自由表面上基本上不存在粘合剂靠近窗框的窗口孔的身体。优选地，提供光滑表面以将密封体粘附到边框。密封体可以在表圈和触摸屏表面之间被压缩以进行密封。

2. 发明授权

US06225985B1 Acoustic touchscreen constructed directly on a cathode ray tube 失效
标题翻译：直接在阴极射线管上构建的声学触摸屏
公开(公告)号：US06225985B1
公开(公告)日：2001-05-01
申请号：US09277571
申请日：1999-03-26
申请人： Donald B. Armstrong , Joel Kent , James Roney
发明人： Donald B. Armstrong , Joel Kent , James Roney
IPC分类号： G09G500
CPC分类号： G06F3/0436
摘要： A touchscreen is constructed directly on the glass surface of a cathode ray tube (CRT). To solve the problem of insufficient space between the CRT's bezel and frontal region to accommodate the transducers for the touchscreen, the transducers are moved away from the frontal region, to the highly curved shoulder region of the CRT. To preserve acoustic signal strength, the positioning of the transducers is chosen to take advantage of the fact that an acoustic wave on a non-Euclidean surface travels along a geodesic path. Allowance is also made for the acoustic lens and prism effect of the corner regions of the CRT, where the transducer may be located.
摘要翻译：触摸屏直接构造在阴极射线管（CRT）的玻璃表面上。为了解决CRT的边框和正面区域之间的空间不足以容纳触摸屏的换能器的问题，换能器从前部区域移动到CRT的高度弯曲的肩部区域。为了保持声信号强度，选择换能器的定位以利用非欧几里德表面上的声波沿着测地线路行进的事实。还可以对传感器所在的CRT的拐角区域的声透镜和棱镜效应进行补偿。

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