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    • 32. 发明授权
    • Non-contact measurement device for quickly and accurately obtaining dimensional measurement data
    • 非接触测量装置,用于快速准确地获取尺寸测量数据
    • US06858858B2
    • 2005-02-22
    • US10445503
    • 2003-05-27
    • Alfred A. Pease
    • Alfred A. Pease
    • G01B11/02G01B11/25G01B11/26G01B11/00
    • G01B11/2513G01B11/02G01B11/26
    • A hand-held or tool integrated measurement device is provided for quickly and accurately performing non-contact measurements of dimensions and/or angles associated with various objects in a home or commercial work area. The measurement device generally includes at least one user input element, a non-contact sensor, an image processor and a display element packaged in a portable housing assembly. In operation, a user initiates the measurement by activating the user input element associated with the measurement device. The non-contact sensor receives a trigger signal from the user input element and is operative to collect image data representative of at least a portion of the surface of a measured object. The image processor in turn receives the image data from the non-contact sensor and is operative to convert the image data into measurement data for the measured object. The display element is operable to visually display the measurement data to the user.
    • 提供了一种手持式或工具集成测量装置,用于快速且准确地执行与家庭或商业工作区域中的各种物体相关联的尺寸和/或角度的非接触式测量。 测量装置通常包括至少一个用户输入元件,非接触式传感器,图像处理器和封装在便携式外壳组件中的显示元件。 在操作中,用户通过激活与测量设备相关联的用户输入元件来启动测量。 非接触式传感器从用户输入元件接收触发信号,并且可操作以收集表示测量对象的表面的至少一部分的图像数据。 图像处理器又接收来自非接触式传感器的图像数据,并且可操作以将图像数据转换成测量对象的测量数据。 显示元件可操作以将测量数据可视地显示给用户。
    • 34. 发明授权
    • Method and system for processing measurement signals to obtain a value
for a physical parameter
    • 用于处理测量信号以获得物理参数值的方法和系统
    • US6092419A
    • 2000-07-25
    • US952555
    • 1997-11-21
    • John W. DixonJeffrey S. WhiteFrederick P. LaPlant
    • John W. DixonJeffrey S. WhiteFrederick P. LaPlant
    • G01B11/06G01B17/02G01N21/17G01N29/22G01N29/24G01N29/34G01N29/42G01N29/46G01N29/50G01N29/08G01N29/10
    • G01N29/348G01B11/0666G01B17/025G01N21/1702G01N29/0681G01N29/225G01N29/2418G01N29/42G01N29/46G01N29/50G01N2291/014G01N2291/0228G01N2291/0231G01N2291/0237G01N2291/0251G01N2291/02818G01N2291/02854G01N2291/0421G01N2291/044G01N2291/048G01N2291/101
    • In a measurement system wherein time-varying physical signals containing frequency information related to a physical parameter of an object are measured to obtain corresponding time-varying measurement signals, a method and system are disclosed for processing the measurement signals to obtain a value for the physical parameter by first extracting the frequency information from the measurement signals. The frequency information includes at least one desired frequency and its amplitude and decay rate. Then, the frequency information is converted to a value for the physical parameter. The measurement signals are discrete time ultrasonic signals. Extraction is performed by transforming the ultrasonic signals to a Z-domain and converting at least one zero or pole in the Z-domain to the at least one frequency and its decay rate. The physical signals may be coherent light signals which are modulated based on the frequency information which is related to propagation of longitudinal ultrasonic waves in the object. When the object is a static film such as a cured layer formed on a substrate, the physical parameter may be thickness of the layer. When the object is a dynamic curable film such as a wet or dehydrated layer, its thickness changes over time from an initial value to an intermediate value and then to a final value. The initial value is obtained by processing the frequency information with a model of the propagation of the waves in the film. The intermediate value is predicted from the initial value and the final value is predicted from the intermediate value.
    • PCT No.PCT / US97 / 21308 Sec。 371日期:1997年11月21日 102(e)1997年11月21日PCT PCT 1997年11月27日PCT公布。 出版物WO98 / 22814 日期1998年5月28日在测量系统中,测量包含与物体的物理参数相关的频率信息的时变物理信号以获得相应的时变测量信号,公开了一种用于处理测量信号以获得 通过首先从测量信号提取频率信息来获得物理参数的值。 频率信息包括至少一个期望频率及其振幅和衰减速率。 然后,频率信息被转换为物理参数的值。 测量信号是离散时间超声波信号。 通过将超声波信号变换为Z域并将Z域中的至少一个零或极转换为至少一个频率及其衰减速率来进行提取。 物理信号可以是基于与物体中的纵向超声波的传播相关的频率信息而被调制的相干光信号。 当物体是诸如形成在基底上的固化层的静电膜时,物理参数可以是该层的厚度。 当物体是诸如湿或脱水层的动态固化膜时,其厚度随着时间从初始值变化到中间值,然后变为最终值。 通过利用膜中的波的传播的模型处理频率信息来获得初始值。 从初始值预测中间值,并根据中间值预测最终值。
    • 36. 发明授权
    • Ultrasonic apparatus and method for measuring animal backfat
    • 用于测量动物背部的超声波设备和方法
    • US06012332A
    • 2000-01-11
    • US43736
    • 1998-12-29
    • Mark E. Schafer
    • Mark E. Schafer
    • A61B8/08A61B10/00G01N29/06
    • A61B8/0858A61B2503/40
    • An ultrasonic measuring apparatus (FIG. 2) and method (FIG. 5) to accurately determine the depth of an overlaying backfat (14-20) on an animal (8) without incurring any damage to the animal. The apparatus employs a reverse time analysis approach in which a pulse generator (28) sends a preselected ultrasonic input signal by way of a piezoelectric transducer (16) through the outer skin (12) and successively through each one of the animal's fat layer interfaces (15, 17, 20) to a preselected distance within the loin portion (22) of the animal. This reverse time approach then analyzes the resulting echo signal produced by the input signal sequentially in a direction from this loin portion toward the outer fat layers (14, 16, 18). The first strong signal within a specified range, which depends on the species, breed, age or weight of the animal to be measured, is taken as the bottom-most fat/loin transition. A microprocessor (44) is employed to measure and analyze the amplitude and contour of this signal in a direction toward the loin until it reaches a fixed point that is a prescribed percentage of the peak value of the amplitude of this signal, the magnitude of which depends on the type of animal under measurement. The value derived in this manner is an accurate measurement of the depth of overlaying backfat and is automatically displayed in digital form on a screen (46).
    • PCT No.PCT / US96 / 15335 Sec。 371 1998年12月29日第 102(e)1998年12月29日PCT PCT 1996年9月25日PCT公布。 公开号WO97 / 11640 日期1997年4月3日在超声波测量装置(图2)和方法(图5)中,准确地确定动物(8)上的覆盖背脂(14-20)的深度,而不会对动物造成任何损害。 该装置采用反向时间分析方法,其中脉冲发生器(28)通过压电换能器(16)通过外皮(12)发送预选的超声波输入信号,并依次通过动物的脂肪层界面 15,17,20)移动到动物的腰部(22)内的预选距离。 这种反向时间方法然后在从该腰部朝向外脂肪层(14,16,18)的方向上顺序地分析由输入信号产生的所得到的回波信号。 在指定范围内的第一个强信号取决于要测量的动物的种类,品种,年龄或体重,被认为是最底层的脂肪/腰部过渡。 使用微处理器(44)来测量和分析该信号在朝向腰部的方向上的幅度和轮廓,直到达到固定点,该固定点是该信号幅度的峰值的规定百分比,其大小 取决于被测动物的类型。 以这种方式导出的值是覆盖背面的深度的精确测量,并且以数字形式自动显示在屏幕上(46)。