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    • 94. 发明公开
    • Method and apparatus for integrating manual input
    • 集成手动输入的方法和装置
    • EP1717684A3
    • 2008-01-23
    • EP06016858.0
    • 1999-01-25
    • Fingerworks, Inc.
    • Westerman, WayneElias, John G.
    • G06F3/033
    • G06F3/0416G06F3/0235G06F3/041G06F3/0412G06F3/044G06F3/04815G06F3/04845G06F3/0485G06F3/0488G06F3/04883G06F3/04886G06F2203/04101G06F2203/04104G06F2203/04106G06F2203/04808G06K9/00375G06K9/6272G06K9/6878H03K17/9622H03K2217/960725
    • Apparatus and methods are disclosed for simultaneously tracking multiple finger (202-204) and palm (206, 207) contacts as hands approach, touch, and slide across a proximity-sensing, compliant, and flexible multi-touch surface (2). The surface consists of compressible cushion (32), dielectric electrode (33), and circuitry layers. A simple proximity transduction circuit is placed under each electrode to maximise the signal-to-noise ratio and to reduce wiring complexity. Scanning and signal off-set removal on electrode array produces low-noise proximity images. Segmentation processing of each proximity image constructs a group of electrodes corresponding to each distinguishable contacts and extracts shape, position and surface proximity features for each group. Groups in successive images which correspond to the same hand contact are linked by a persistent path tracker (245) which also detects individual contact touchdown and liftoff. Classification of intuitive hand configurations and motions enables unprecedented integration of typing, resting, pointing, scrolling, 3D manipulation, and handwriting into a versatile, ergonomic computer input device.
    • 公开了用于在手接近,触摸并滑动越过接近感测,柔顺且柔性的多点触摸表面(2)时同时跟踪多个手指(202-204)和手掌(206,207)接触的装置和方法。 该表面由可压缩的衬垫(32),介电电极(33)和电路层组成。 简单的接近传导电路放置在每个电极下面,以最大化信噪比并降低布线复杂性。 电极阵列上的扫描和信号偏置去除产生低噪声邻近图像。 每个邻近图像的分割处理构造对应于每个可区分的接触的一组电极,并提取每个组的形状,位置和表面接近特征。 对应于相同手部接触的连续图像中的组由持久路径跟踪器(245)链接,所述持续路径跟踪器还检测单独接触触地和抬起。 直观的手部配置和动作分类可实现打字,休息,指点,滚动,3D操作和手写的前所未有的集成到多功能,符合人体工程学的计算机输入设备。