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    • 6. 发明申请
    • 3D INPUT DETECTION BY USING ANGLES OF JOINTS
    • 利用节点角度进行3D输入检测
    • WO2016074087A4
    • 2016-09-22
    • PCT/CA2015051175
    • 2015-11-12
    • HELIO TECH INC
    • LOWE MATTHEWDEHGHANIAN VAHID
    • G06F3/01
    • H03M1/285G01D5/16G01D5/241G06F3/014G06F3/016G06F3/04886G06N7/005H03M7/3082H04W4/005
    • A 3D input system and an angle encoder are disclosed. The 3D input system comprises a computing device and one or more position sensing gloves. The position sensing glove comprises a plurality of angle encoders each installed thereon at a location about a finger joint. An inertial measurement unit (IMU) is installed on the glove. A firmware uses data from the angle encoders and IMU to calculate fingertip positions in a 3D space. The firmware generates keystrokes on a virtual keyboard based on the fingertip positions. The angle encoder comprises a first and a second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.
    • 公开了3D输入系统和角度编码器。 3D输入系统包括计算装置和一个或多个位置感测手套。 位置感测手套包括多个角度编码器,每个角度编码器都安装在围绕手指关节的位置处。 惯性测量单元(IMU)安装在手套上。 固件使用来自角度编码器和IMU的数据来计算3D空间中的指尖位置。 固件基于指尖位置在虚拟键盘上生成击键。 角度编码器包括相对于彼此可旋转的第一和第二部件以及包括用于指示第一和第二部件之间的角度的码字的编码器图案。 编码器模式包括用传统格雷码编码的一组基本编码器信道,以及一组用于改善角度测量分辨率的增强器信道。
    • 7. 发明申请
    • A METHOD OF DETECTING USER INPUT IN A 3D SPACE AND A 3D INPUT SYSTEM EMPLOYING SAME
    • 检测3D空间中的用户输入的方法和使用它的3D输入系统
    • WO2016074087A2
    • 2016-05-19
    • PCT/CA2015051175
    • 2015-11-12
    • HELIO TECHNOLOGY INC
    • LOWE MATTHEWDEHGHANIAN VAHID
    • G06F3/01
    • H03M1/285G01D5/16G01D5/241G06F3/014G06F3/016G06F3/04886G06N7/005H03M7/3082H04W4/005
    • A 3D input system and an angle encoder are disclosed. The 3D input system comprises a computing device and one or more position sensing gloves. The position sensing glove comprises a plurality of angle encoders each installed thereon at a location about a finger joint. An inertial measurement unit (IMU) is installed on the glove. A firmware uses data from the angle encoders and IMU to calculate fingertip positions in a 3D space. The firmware generates keystrokes on a virtual keyboard based on the fingertip positions. The angle encoder comprises a first and a second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.
    • 公开了3D输入系统和角度编码器。 3D输入系统包括计算设备和一个或多个位置感测手套。 位置检测手套包括多个角度编码器,每个角度编码器安装在围绕手指关节的位置处。 惯性测量单元(IMU)安装在手套上。 固件使用来自角度编码器和IMU的数据来计算3D空间中的指尖位置。 固件根据指尖位置在虚拟键盘上产生击键。 角度编码器包括相对于彼此可旋转的第一和第二部件,以及包括用于指示第一和第二部件之间的角度的代码字的编码器图案。 编码器图案包括用常规格雷码编码的一组基本编码器通道,以及用于提高角度测量分辨率的一组增压通道。
    • 10. 发明申请
    • METHOD FOR SIGNAL PROCESSING OF CAPACITIVE MEASUREMENT SCALES
    • 电容式测量信号信号处理方法
    • WO2007043962A1
    • 2007-04-19
    • PCT/SE2006/050369
    • 2006-10-03
    • HEXAGON METROLOGY ABGUSTAFSSON, Carl-ErikPEDERSEN, Steve TveitJOHANNESSEN, Svein
    • GUSTAFSSON, Carl-ErikPEDERSEN, Steve TveitJOHANNESSEN, Svein
    • G01D5/241G01B7/02G01B7/30
    • G01D5/241G01D5/2415G01D5/244
    • A method for the signal processing of capacitive measurement scales intended for the measurement of lengths or angles, consisting of two parts that can move relative to each other provided with electrodes that together form condensers, the magnitudes of which are variable and depend on the relative position as specified by a sinusoidal relationship (x c ) between the two parts that can move relative to each other, whereby the first part has n electrodes evenly distributed over one measurement period and the second part has one electrode per measurement period, and that the electrodes in the first part are fed with n alternating voltages whereby the time displacements of the said alternating voltages relative to each other are (Fig I), where t 0 is the length of the period of n the said alternating voltage, whereby the electrode of the second mobile part captures in a capacitive manner a signal that is composed of one or several of the said alternating voltages and where the amplitude composition of the composite signal depends on the relative position (x) between the two parts. All n signal contributions to the said amplitude composite are measured and stored separately for each one of the n samplings.
    • 用于信号处理用于测量长度或角度的电容式测量尺度的方法,包括可相对于彼此移动的两个部分,所述两个部分设置有一起形成电容器的电极,所述电极一起形成电容器,电极的大小可变并且取决于相对位置 如由相对于彼此移动的两个部分之间的正弦关系(x S c C c)所指定的,由此第一部分具有在一个测量周期内均匀分布的n个电极,并且第二部分具有一个电极 测量周期,并且第一部分中的电极馈送有n个交流电压,由此所述交流电压相对于彼此的时间位移为(图1),其中t 0是< n表示所述交流电压的周期,由此第二移动部件的电极以电容方式捕获由一个或几个所述交流电压和wh组成的信号 复合信号的幅度组成取决于两部分之间的相对位置(x)。 对n个采样中的每一个分别测量并存储对所述振幅复合物的所有n个信号贡献。