Method and apparatus for integrating manual input
    12.
    发明授权
    Method and apparatus for integrating manual input 有权
    用于集成手动输入的方法和装置

    公开(公告)号:US06888536B2

    公开(公告)日:2005-05-03

    申请号:US09919266

    申请日:2001-07-31

    摘要: Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing. compliant, and flexible multi-touch surface. The surface consists of compressible cushion, dielectric, electrode, and circuitry layers. A simple proximity transduction circuit is placed under each electrode to maximize signal-to-noise ratio and to reduce wiring complexity. Such distributed transduction circuitry is economical for large surfaces when implemented with thin-film transistor techniques. Scanning and signal offset removal on an electrode array produces low-noise proximity images. Segmentation processing of each proximity image constructs a group of electrodes corresponding to each distinguishable contact 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 which also detects individual contact touchdown and liftoff. Combinatorial optimization modules associate each contact's path with a particular fingertip, thumb, or palm of either hand on the basis of biomechanical constraints and contact features. 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.

    摘要翻译: 公开了用于同时跟踪多个手指和手掌触点的装置和方法,因为手接近,触摸并且穿越接近感测。 兼容,灵活的多点触控面。 表面由可压缩的衬垫,电介质,电极和电路层组成。 在每个电极下方放置简单的接近传导电路,以最大化信噪比并降低布线复杂性。 当用薄膜晶体管技术实现时,这种分布式转导电路对于大表面是经济的。 电极阵列上的扫描和信号偏移去除产生低噪声接近图像。 每个接近图像的分割处理构成对应于每个可区分接触的一组电极,并且提取每个组的形状,位置和表面接近特征。 对应于同一个手触点的连续图像中的组由持续路径跟踪器链接,持续路径跟踪器还检测单个接触触地和提升。 组合优化模块基于生物力学约束和接触特征将每个接触者的路径与任一只手的特定指尖,拇指或手掌相关联。 直观的手配置和动作的分类使打字,休息,指点,滚动,3D操纵和手写能够前所未有的整合到通用的,符合人体工程学的计算机输入设备中。

    Method and apparatus for integrating manual input
    20.
    发明授权
    Method and apparatus for integrating manual input 有权
    用于集成手动输入的方法和装置

    公开(公告)号:US07339580B2

    公开(公告)日:2008-03-04

    申请号:US11015434

    申请日:2004-12-17

    IPC分类号: G09G5/00

    摘要: Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, compliant, and flexible multi-touch surface. The surface consists of compressible cushion dielectric, electrode, and circuitry layers. A simple proximity transduction circuit is placed under each electrode to maximize signal-to-noise ratio and to reduce wiring complexity. Such distributed transduction circuitry is economical for large surfaces when implemented with thin-film transistor techniques. Scanning and signal offset removal on an electrode array produces low-noise proximity images. Segmentation processing of each proximity image constructs a group of electrodes corresponding to each distinguishable contact 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 which also detects individual contact touchdown and liftoff. Combinatorial optimization modules associate each contact's path with a particular fingertip, thumb, or palm of either hand on the basis of biomechanical constraints and contact features. 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.

    摘要翻译: 公开了用于同时跟踪多个手指和手掌触点的装置和方法,因为手接近,触摸并且穿越接近感测,顺应性和柔性多点触摸表面。 表面由可压缩的衬垫电介质,电极和电路层组成。 在每个电极下方放置简单的接近传导电路,以最大化信噪比并降低布线复杂性。 当用薄膜晶体管技术实现时,这种分布式转导电路对于大表面是经济的。 电极阵列上的扫描和信号偏移去除产生低噪声接近图像。 每个接近图像的分割处理构成对应于每个可区分接触的一组电极,并且提取每个组的形状,位置和表面接近特征。 对应于同一个手触点的连续图像中的组由持续路径跟踪器链接,持续路径跟踪器还检测单个接触触地和提升。 组合优化模块基于生物力学约束和接触特征将每个接触者的路径与任一只手的特定指尖,拇指或手掌相关联。 直观的手配置和动作的分类使打字,休息,指点,滚动,3D操纵和手写能够前所未有的整合到通用的,符合人体工程学的计算机输入设备中。