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公开(公告)号：US20110100089A1
公开(公告)日：2011-05-05
申请号：US12981228
申请日：2010-12-29
申请人： Pierre Langlois , Michael Drummy
发明人： Pierre Langlois , Michael Drummy
CPC分类号： G01N29/262 , G01N29/0609 , G01N29/0645 , G01N2291/02491 , G01N2291/044 , G01N2291/106 , G10K11/346
摘要： The present invention relates to a method of detecting non-linear operation of a measuring device comprising an array of transducers and at least one receiver channel portion. The method comprises receiving measured signals through transducers of the array, processing the measured signals from the transducers through the receiver channel portion, combining the processed measured signals to produce a combined measurement signal, and detecting non-linearity of the combined measurement signal and non-linear operation of the measuring device by detecting saturation of the receiver channel portion. In one embodiment, the receiver channel portion comprises an analog-to-digital converter, a threshold is assigned to a digital output of the analog-to-digital converter, and saturation of the receiver channel portion is detected when the digital output of the analog-to-digital converter oversteps the assigned threshold. In one application of the invention, the measuring device is a non-destructive testing device.
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公开(公告)号：US20060254359A1
公开(公告)日：2006-11-16
申请号：US11332912
申请日：2006-01-17
IPC分类号： G01N29/04
CPC分类号： G01N29/341 , G01N29/0609 , G01N29/0645 , G01N29/262 , G01N2291/044 , G01N2291/106
摘要： The present invention relates to a flaw detector imaging apparatus for detecting and visualizing a flaw in a target material to be investigated, comprising an ultrasonic phase-array probe comprising an array of ultrasonic transducers and a flaw detector. The flaw detector includes at least one trigger channel to trigger ultrasonic emitting transducers of the array at respective time delays to produce an ultrasonic beam propagating through the target material, and at least one receiver channel to receive echo signals produced by ultrasonic receiving transducers of the array in response to ultrasonic wave echoes reflected from a flaw in the target material. The receiver channel comprises a delay circuit imparting to the received echo signals the respective time delays as used in the triggering of the ultrasonic emitting transducers and a combiner of the delayed echo signals. A processor is responsive to the echo signals produced by the ultrasonic receiving transducers, received by the receiver channel and time delayed by the delay circuit to produce an image of the flaw from which the ultrasonic wave echoes are reflected. A display connected to the ultrasonic processor displays the image of the flaw.
摘要翻译： 本发明涉及一种用于检测和可视化待研究的目标材料中的缺陷的探伤仪成像装置，包括超声波相位阵列探针，其包括超声换能器阵列和探伤仪。 所述探伤器包括至少一个触发通道，用于以相应的时间延迟触发阵列的超声波发射换能器，以产生传播通过目标材料的超声波束;以及至少一个接收器通道，用于接收由阵列的超声波接收换能器产生的回波信号 响应于从目标材料中的缺陷反射的超声波回波。 接收器通道包括延迟电路，用于在触发超声发射换能器时使用的相应时间延迟和延迟的回波信号的组合器对接收到的回波信号。 处理器响应由超声波接收换能器产生的回波信号，由接收器通道接收并由延迟电路延迟的时间产生出超声波回波从其反射的缺陷的图像。 连接到超声波处理器的显示器显示缺陷的图像。
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公开(公告)号：US5784182A
公开(公告)日：1998-07-21
申请号：US780419
申请日：1997-01-08
CPC分类号： G02B27/32 , F41G1/467 , G03H1/0005 , G03H1/2249 , G03H2001/2234 , G03H2001/2284 , G03H2001/261 , G03H2227/02 , G03H2227/06
摘要： The sight comprises a support adapted for mounting onto an instrument to be aimed at a target, an optical device mounted onto the support for creating an image including a first sighting mark at a first finite distance with respect to the optical device, and a device mounted on to the support for providing a second sighting mark at a finite distance with respect to the first sighting mark. The instrument is aimed at the target by aligning the sighting marks. Since at least the first sighting mark is an image, its position can be chosen to improve the accuracy of aiming by alignment of the marks without having to physically accommodate the first mark.
摘要翻译： 瞄准器包括适于安装在瞄准目标的仪器上的支撑件，安装在支撑件上的光学装置，用于产生包括相对于光学装置的第一有限距离的第一瞄准标记的图像，以及安装 支持在相对于第一瞄准标记的有限距离处提供第二瞄准标记。 仪器通过对准瞄准器瞄准目标。 由于至少第一瞄准标记是图像，因此可以选择其位置以通过对准标记来提高瞄准精度，而不必物理地容纳第一标记。
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公开(公告)号：US10156548B2
公开(公告)日：2018-12-18
申请号：US13955399
申请日：2013-07-31
摘要： Disclosed is an inspection device and method of guiding an inspection probe according to a predetermined inspection plan. The device is couple with a probe which is to be moved according to the inspection plan on the test object, the device including an inspection guide unit having a guide control unit, a position encoding such as a 3-D camera and visual feedback eyewear. The method including facilitating a virtual display of the inspection plan onto the visual feedback eyewear, moving the probe following the virtual display of the inspection plan, sensing sensed probe positions in real time of the inspection using the 3-D camera and validating the sensed probe position against the inspection plan using the control module. Then the information of the step of validating, such as those spots at which the probe is moved out of the tolerance of the inspection plan, is displayed on the feedback eyewear.
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公开(公告)号：US08033172B2
公开(公告)日：2011-10-11
申请号：US12176642
申请日：2008-07-21
发明人： Pierre Langlois , Agostino Abatte
IPC分类号： G01N29/04
CPC分类号： G01N29/069 , G01N29/262 , G01N29/341 , G01N2291/044 , G01N2291/106
摘要： The present invention relates to a flaw detector imaging apparatus for detecting and visualizing a flaw in a target material to be investigated, comprising an ultrasonic phase-array probe comprising an array of ultrasonic transducers and a flaw detector. The flaw detector includes at least one trigger channel to trigger ultrasonic emitting transducers of the array at respective time delays to produce an ultrasonic beam propagating through the target material, and a single receiver channel to receive echo signals produced by ultrasonic receiving transducers of the array in response to ultrasonic wave echoes reflected from a flaw in the target material. The single receiver channel comprises a delay circuit imparting to the received echo signals the respective time delays as used in the triggering of the ultrasonic emitting transducers and a combiner of the delayed echo signals. A processor is responsive to the echo signals produced by the ultrasonic receiving transducers, received by the single receiver channel and time delayed by the delay circuit to produce an image of the flaw from which the ultrasonic wave echoes are reflected. A display connected to the ultrasonic processor displays the image of the flaw.
摘要翻译： 本发明涉及一种用于检测和可视化待研究的目标材料中的缺陷的探伤仪成像装置，包括超声波相位阵列探针，其包括超声换能器阵列和探伤仪。 所述探伤器包括至少一个触发通道，用于以相应的时间延迟触发所述阵列的超声波发射换能器，以产生通过所述目标材料传播的超声波束;以及单个接收器通道，用于接收由所述阵列的超声波接收换能器产生的回波信号 响应于从目标材料中的缺陷反射的超声波回波。 单个接收器通道包括延迟电路，用于将所接收的回波信号赋予用于超声发射换能器的触发和延迟的回波信号的组合器中使用的各自的时间延迟。 处理器响应由超声接收换能器产生的回波信号，由单个接收器通道接收并由延迟电路延迟的时间产生出超声波回波从该反射的缺陷的图像。 连接到超声波处理器的显示器显示缺陷的图像。
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6.发明授权Multiple mode digitization system for a non-destructive inspection instrument 有权用于非破坏性检测仪器的多模式数字化系统公开(公告)号：US07817076B2
公开(公告)日：2010-10-19
申请号：US12192369
申请日：2008-08-15
申请人： Michael Drummy , Andrew Thomas , Denys Laquerre , David Larochelle , Pierre Langlois , Steven Besser
发明人： Michael Drummy , Andrew Thomas , Denys Laquerre , David Larochelle , Pierre Langlois , Steven Besser
IPC分类号： H03M1/12
CPC分类号： G01R19/2509 , G01N29/262 , G01N29/44
摘要： A multiple mode digitization system for a non-destructive inspection instrument which makes use of a multiplexing circuit and a single set of analog to digital converters to efficiently digitize analog test signals from a plurality of inputs. In the preferred embodiment, each of the analog to digital converters in the system is driven with an independent and separate clock signal, allowing for propagation delay compensation among the plurality of test signals as well as interleaved sampling such that custom sampling rates can be used for each input without the need for more than one clock frequency. In an alternate embodiment, phase adjustments on the sampling clocks are used only for interleave sampling, and digital filters are used to provide signal propagation delay compensation.
摘要翻译： 一种用于非破坏性检查仪器的多模式数字化系统，其利用多路复用电路和单组模数转换器来有效地数字化来自多个输入的模拟测试信号。 在优选实施例中，系统中的每个模数转换器都用独立和分离的时钟信号驱动，允许多个测试信号之间的传播延迟补偿以及交错采样，使得定制采样速率可用于 每个输入不需要多于一个时钟频率。 在替代实施例中，采样时钟上的相位调整仅用于交织采样，并且使用数字滤波器来提供信号传播延迟补偿。
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7.发明申请Detection of channel saturation in phase-array ultrasonic non-destructive testing 有权相位超声波无损检测中的通道饱和度检测公开(公告)号：US20070034010A1
公开(公告)日：2007-02-15
申请号：US11354221
申请日：2006-02-14
申请人： Pierre Langlois , Michael Drummy
发明人： Pierre Langlois , Michael Drummy
IPC分类号： G01N29/04
CPC分类号： G01N29/262 , G01N29/0609 , G01N29/0645 , G01N2291/02491 , G01N2291/044 , G01N2291/106 , G10K11/346
摘要： The present invention relates to a method of detecting non-linear operation of a measuring device comprising an array of transducers and at least one receiver channel portion. The method comprises receiving measured signals through transducers of the array, processing the measured signals from the transducers through the receiver channel portion, combining the processed measured signals to produce a combined measurement signal, and detecting non-linearity of the combined measurement signal and non-linear operation of the measuring device by detecting saturation of the receiver channel portion. In one embodiment, the receiver channel portion comprises an analog-to-digital converter, a threshold is assigned to a digital output of the analog-to-digital converter, and saturation of the receiver channel portion is detected when the digital output of the analog-to-digital converter oversteps the assigned threshold. In one application of the invention, the measuring device is a non-destructive testing device.
摘要翻译： 本发明涉及一种检测包括一组换能器和至少一个接收器通道部分的测量装置的非线性操作的方法。 该方法包括通过阵列的换能器接收测量信号，通过接收器通道部分处理来自换能器的测量信号，组合经处理的测量信号以产生组合的测量信号，以及检测组合测量信号和非组合测量信号的非线性， 通过检测接收机通道部分的饱和度来测量设备的线性操作。 在一个实施例中，接收器通道部分包括模数转换器，阈值被分配给模数转换器的数字输出，并且当模拟数字输出的数字输出被检测到接收器通道部分的饱和 数字转换器超过分配的阈值。 在本发明的一个应用中，测量装置是无损检测装置。
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8.发明授权
公开(公告)号：US5903689A
公开(公告)日：1999-05-11
申请号：US942666
申请日：1997-10-02
IPC分类号： G02B6/34
CPC分类号： G02B6/02138 , G02B6/02085 , G02B6/02152
摘要： A method for spatially controlling the period and amplitude of Bragg filters in an optical medium having a longitudinal axis that is sensitive to at least some wavelength of electromagnetic radiation. A phase mask of period .LAMBDA. is laid close to the optical medium at an angle .alpha. with respect to the longitudinal axis of the optical medium. A single beam of electromagnetic radiation is directed at an incidence angle .phi. with respect to normal incidence on the phase mask so that the radiation is diffracted, resulting in an interference pattern having a period P impinged into the optical medium so that the period P of the interference pattern may be altered by changing the incidence angle .phi. or the angle .alpha.. This method is simpler, more flexible and more suitable for mass production than existing methods.
摘要翻译： 一种在具有对至少某一波长的电磁辐射敏感的纵向轴的光学介质中空间控制布拉格滤波器的周期和幅度的方法。 周期LAMBDA的相位掩模以相对于光学介质的纵向轴线成α角的方式放置在光学介质附近。 单个电磁辐射束相对于相位掩模上的法向入射指向入射角度φ，使得辐射被衍射，导致具有入射到光学介质中的周期P的干涉图案，使得 可以通过改变入射角phi或角度α来改变干涉图案。 该方法比现有方法更简单，更灵活，更适合批量生产。
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公开(公告)号：US5420719A
公开(公告)日：1995-05-30
申请号：US120908
申请日：1993-09-15
CPC分类号： G02B27/1093 , G02B27/1006
摘要： For separation of second and higher order second harmonics from a composite laser beam, a substrate is provided with a binary level relief structure that, in the preferred construction, consists of a regular series of parallel substantially rectangular grooves on one or both of its major surfaces. In a transmissive grating, which is traversed only once by the beam, the depth h of the grooves is chosen to be .lambda. divided by n.sub.1 -n.sub.0, where n.sub.0 is the refractive index external to the grating (assumed to be approximately unity for air), n.sub.1 is the refractive index of the substrate, and .lambda. is the wavelength that will pass directly through the grating, e.g. the second harmonic. Wavelengths greater than .lambda., e.g. the fundamental 2.lambda., will be diffracted away from the beam path. When a reflective coating is applied on the surface with the relief structure, the groove depth is chosen to be .lambda. divided by 2n.sub.0 or 2n.sub.1 depending upon whether the beam encounters the relief structure from outside the substrate or from inside, respectively. A more general formula for the value of h provides for the incident beam arriving at an inclination to the normal to the substrate surface. Also the relief structure itself can be more general in nature, consisting of elevated and unelevated portions of various shapes.
摘要翻译： 为了从复合激光束分离第二高次谐波和高次二次谐波，衬底上设置有二进制电平浮雕结构，在优选的结构中，它包括在其主表面的一个或两个上的一系列平行的大致矩形的凹槽 。 在通过光束仅穿过一次的透射光栅中，凹槽的深度h被选择为λ除以n1-n0，其中n0是光栅外部的折射率（假设空气近似为1） ，n1是衬底的折射率，λ是将直接通过光栅的波长，例如 二次谐波。 波长大于λ，例如。 基本的2λ将被远离光束路径衍射。 当反射涂层用浮雕结构施加在表面上时，槽深度被选择为λ除以2n0或2n1，这取决于光束是分别从衬底外部还是从内部遇到浮雕结构。 对于值h的更通用公式提供了入射光束以与基板表面法线倾斜的倾斜度。 此外，浮雕结构本身可以是更一般的，包括各种形状的升高和不经过的部分。
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10.发明授权Apparatus for centering and placing an adapter on an optical lens blank and for controlling a grinder 失效用于将适配器定心并放置在光学透镜毛坯上并用于控制研磨机的装置
公开(公告)号：US4737918A
公开(公告)日：1988-04-12
申请号：US870775
申请日：1986-06-04
IPC分类号： B24B9/14 , B24B13/00 , B24B13/005 , G05B19/18
CPC分类号： B24B13/0055
摘要： The apparatus comprises a flat electronic screen (7), means (14) for displacing on the screen an image, stored in a data bank (9), of a given template or frame of spectacles, and means (8) for recording the displacements of the image on the screen (7), storing in memory the differences of its final coordinates with respect to a reference position constituted by the intersection of two orthogonal axes X, Y and calculating the resulting data and applying them directly to a grinder (11).
摘要翻译： 该装置包括平面电子屏幕（7），用于在屏幕上移动存储在数据库（9）中的给定模板或眼镜框架的图像的装置（14），以及用于记录位移的装置（8） 在存储器中存储其最终坐标相对于由两个正交轴X，Y的交点构成的参考位置的差异，并计算得到的数据并将它们直接应用于研磨机（11 ）。
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