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    • 17. 发明申请
    • Calibration Techniques in Haptic Systems
    • 触觉系统中的校准技术
    • US20170018171A1
    • 2017-01-19
    • US15210661
    • 2016-07-14
    • Thomas Andrew CarterBenjamin John Oliver LongRobert Charles Blenkinsopp
    • Thomas Andrew CarterBenjamin John Oliver LongRobert Charles Blenkinsopp
    • G08B29/20G08B6/00
    • A system providing various improved calibration techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Because complete control of space is not possible, controlling the acoustic field at given points yields erroneous local maxima in the acoustic field levels at other related positions. In relation to mid-air haptic feedback, these can interfere in interactions with the space by creating secondary effects and ghost phenomena that can be felt outside the interaction area. The level and nature of the secondary maxima in the acoustic field is determined by how the space is controlled. By arranging the transducer elements in different ways, unwanted effects on the acoustic field can be limited and controlled.
    • 描述了提供用于触觉反馈的各种改进的校准技术的系统。 声场由声场可以存在的空间内的一个或多个控制点定义。 为每个控制点分配等于控制点处的声场的期望幅度的振幅值。 由于空间的完全控制是不可能的,所以控制给定点处的声场在其他相关位置处的声场水平产生错误的局部最大值。 关于中空触觉反馈,这些可以通过产生次级效应和可以在相互作用区域之外感觉到的幽灵现象来干扰与空间的相互作用。 声场中二次最大值的水平和性质由空间如何控制决定。 通过以不同的方式布置换能器元件,可以限制和控制对声场的不期望的影响。