Distance measuring apparatus
    1.
    发明授权
    Distance measuring apparatus 失效
    距离测量仪

    公开(公告)号:US5959724A

    公开(公告)日:1999-09-28

    申请号:US3129

    申请日:1998-01-06

    CPC分类号: G01S11/12 G01C3/085

    摘要: A distance measuring apparatus of the invention includes an arithmetic operation device which uses the degree of shift detected when the distance to a reference object is measured and a known distance to the reference object, to determine the difference between the offsets of image-forming positions on optical sensor arrays caused by a windshield present between a measuring object and the optical sensor arrays. The arithmetic operation device uses the difference between the offsets of the image-forming positions, an optical characteristic amount of the image-forming lenses, and the amount of shift detected when the distance to the measuring object is measured, to determine the distance to the measuring object.

    摘要翻译: 本发明的距离测量装置包括算术运算装置,该算术运算装置使用当测量到参考对象的距离和与参考对象的已知距离时检测到的移位程度,以确定图像形成位置的偏移之间的差异 由测量对象和光学传感器阵列之间存在的挡风玻璃引起的光学传感器阵列。 算术运算装置使用图像形成位置的偏移量,图像形成透镜的光学特征量与测量到测量对象的距离时检测到的偏移量之间的差异来确定到 测量对象。

    Thermal deformation compensating range finder
    2.
    发明授权
    Thermal deformation compensating range finder 失效
    热变形补偿测距仪

    公开(公告)号:US06337736B1

    公开(公告)日:2002-01-08

    申请号:US09597084

    申请日:2000-06-20

    IPC分类号: G01C308

    CPC分类号: G01C3/10

    摘要: The range finder measures the distance to the object based on the principle of triangulation, and includes a pair of lenses; a lens supporting frame; a CCD supporting plate; CCD packages supported by the plate; and temperature sensors. One sensor is positioned on the frame between the lenses, and the other is positioned on the plate between the CCD packages. Each CCD package includes a CCD chip located at a focal plane of the lens, a casing and a transparent plate. The lenses, frame, casing and transparent plates are made of the same plastic material so that the thermal expansion of the entire range finder caused by the temperature change may not affect to the distance measurement. Bonding ribs connected to the transparent plate are located near an image ray hole to face each other and on the line perpendicular to the optical axis of the CCD chip and the plane containing the optical axes of the CCD chips. Therefore, the thermal deformation of the transparent plate in the base line direction of the range finder may not affect significantly. The range finder of the invention can reduce the distance measurement error caused by nonuniform thermal deformations of the parts.

    摘要翻译: 测距仪根据三角测量原理测量与物体的距离,并包括一对镜头; 透镜支架; CCD支撑板; 由板支撑的CCD封装; 和温度传感器。 一个传感器位于透镜之间的框架上,另一个传感器位于CCD封装之间的板上。 每个CCD封装包括位于透镜焦平面处的CCD芯片,壳体和透明板。 透镜,框架,外壳和透明板由相同的塑料材料制成,使得由温度变化引起的整个测距仪的热膨胀可能不会影响距离测量。 连接到透明板的接合肋位于图像射线孔附近,以与CCD芯片的光轴垂直的线和包含CCD芯片的光轴的平面相对。 因此,测距仪的基线方向的透明板的热变形可能不会显着影响。 本发明的测距仪可以减少由零件的不均匀热变形引起的距离测量误差。

    Distance measuring instrument
    3.
    发明授权
    Distance measuring instrument 失效
    距离测量仪

    公开(公告)号:US6046795A

    公开(公告)日:2000-04-04

    申请号:US195045

    申请日:1998-11-19

    CPC分类号: G01C3/08

    摘要: A measuring instrument is formed of an image pickup device having a pair of image-forming lenses and photosensor arrays; and an arithmetic device using two images of a measured object photographed by the image pickup device to calculate the distance to the object based on the principle of triangulation. The image-forming lenses, a first holding member for the image-forming lenses and a second holding member for the photosensor arrays are formed of the same plastic material without hygroscopicity. Changes in size of the measuring instrument by ambient temperature and humidity are prevented to increase distant measurement accuracy.

    摘要翻译: 测量仪器由具有一对图像形成透镜和光电传感器阵列的图像拾取装置形成; 以及使用由图像拾取装置拍摄的测量对象的两个图像的算术装置,以基于三角测量原理计算到物体的距离。 图像形成透镜,用于图像形成透镜的第一保持构件和用于光电传感器阵列的第二保持构件由相同的塑料材料形成,而没有吸湿性。 通过环境温度和湿度测量仪器的尺寸变化,可以防止测量精度提高。

    Semiconductor optical sensing apparatus with reliable focusing means and casing structure
    4.
    发明授权
    Semiconductor optical sensing apparatus with reliable focusing means and casing structure 失效
    具有可靠聚焦装置和套管结构的半导体光学传感装置

    公开(公告)号:US06627872B1

    公开(公告)日:2003-09-30

    申请号:US09455937

    申请日:1999-12-07

    IPC分类号: H01J502

    摘要: A semiconductor optical sensing apparatus is formed of a casing made of an electrically insulative material and having at least one opening at a bottom portion; a wiring device extending from an inside to an outside of the casing; a semiconductor optical sensor chip bonded to the bottom portion of the casing; and a connecting device for connecting a terminal of the sensor chip and the wiring device. A transparent filler is filled in a space inside the casing to cover the sensor chip, wherein the opening absorbs a volume change of the transparent filler caused by expansion or contraction thereof. A focusing device is connected to the casing and located at a position to focus an image on the sensor chip. The focusing device and casing are made of the same material or materials having substantially same thermal expansion coefficients. The semiconductor apparatus has a simple structure less affected by temperature variations and facilitates preventing deterioration and variation of optical characteristics, elongating life and improving reliability of the apparatus.

    摘要翻译: 半导体光学感测装置由电绝缘材料制成的壳体形成,并且在底部具有至少一个开口; 布线装置,其从所述壳体的内部延伸到外部; 半导体光学传感器芯片,其结合到壳体的底部; 以及用于连接传感器芯片的端子和布线装置的连接装置。 透明填料填充在壳体内的空间中以覆盖传感器芯片,其中开口吸收由其膨胀或收缩引起的透明填料的体积变化。 聚焦装置连接到壳体并且位于将图像聚焦在传感器芯片上的位置。 聚焦装置和外壳由具有基本上相同的热膨胀系数的相同材料或材料制成。 该半导体装置具有较少受温度变化影响的结构,并且有助于防止光学特性的劣化和变化,延长寿命并提高装置的可靠性。

    Range finder structure allowing easier filling of the transparent filler
    5.
    发明授权
    Range finder structure allowing easier filling of the transparent filler 失效
    测距仪结构允许更容易地填充透明填料

    公开(公告)号:US06583433B2

    公开(公告)日:2003-06-24

    申请号:US10004269

    申请日:2001-10-24

    IPC分类号: G01N2186

    摘要: A range finder includes an improved module structure, that facilitates injecting a transparent filler uniformly into the entire light guide spaces neither leaving any unfilled region nor impairing the characteristics thereof. A channel of flow (or U-groove) is formed across a partition wall, connecting light guide spaces arranged side by side. This feature allows smooth flow of transparent filler into the range finder module without an unfilled region and consequently no overflow of the transparent filler onto outer wall of the plastic module and onto terminal portion of the lead frame. Another feature of this invention is the presence of shield walls along the channel of flow protruding from the side walls of the channel of flow in an inter-digitated fashion, to prevent the stray light from one light guide space entering the other light guide space through the channel of flow.

    摘要翻译: 测距仪包括改进的模块结构,其有助于将透明填料均匀地注入到整个导光空间中,既不留下任何未填充区域也不损害其特性。 在分隔壁上形成流动通道(或U形槽),连接并排布置的导光空间。 该特征允许透明填料平稳地流入取样器模块,而没有未填充区域,因此透明填料不会溢出到塑料模块的外壁上并引导到引线框架的端子部分上。 本发明的另一个特征是沿着流道通道以流动的形式从数字化方式突出的流动通道存在屏蔽壁,以防止来自一个导光空间的杂散光进入另一导光空间 流通道。

    Semiconductor device module
    7.
    发明授权
    Semiconductor device module 失效
    半导体器件模块

    公开(公告)号:US06906316B2

    公开(公告)日:2005-06-14

    申请号:US10367612

    申请日:2003-02-14

    IPC分类号: G01S17/50 G02B7/34 H01J5/02

    CPC分类号: G01S17/50 G02B7/34

    摘要: A semiconductor device module is provided that prevents adhesion defects from causing in bonding a semiconductor sensor chip to a sensor stage with an adhesive and improving the reliability thereof. The semiconductor device module includes a sensor stage and a semiconductor optical sensor chip mounted on the sensor stage. The sensor stage includes a U-groove formed in an upper central surface portion of a bottom wall thereof. The sensor chip is bonded to the sensor stage with a thermosetting and UV-curing adhesive coated in the U-groove. The U-groove, includes an island-shaped flat pedestal located at a central bottom portion of the U-groove for mounting the sensor chip thereon. Pins are preferably disposed on both sides of the pedestal to hold the sensor chip horizontally, and the side walls of the U-groove 3b are preferably slanted such that the adhesive coated in the U-groove is prevented from splashing to the outside.

    摘要翻译: 提供一种半导体器件模块,其防止粘合缺陷导致用粘合剂将半导体传感器芯片粘合到传感器台,并提高其可靠性。 半导体器件模块包括安装在传感器台上的传感器级和半导体光学传感器芯片。 传感器台包括形成在其底壁的上中心表面部分中的U形槽。 传感器芯片通过涂覆在U形槽中的热固性和UV固化粘合剂结合到传感器台。 U形槽包括位于U形槽的中央底部的岛状平台,用于将传感器芯片安装在其上。 引脚优选地设置在基座的两侧以水平地保持传感器芯片,并且U形槽3b的侧壁优选地倾斜,使得防止涂覆在U形槽中的粘合剂溅到外部。

    Distance-measuring apparatus
    8.
    发明授权
    Distance-measuring apparatus 失效
    测距仪

    公开(公告)号:US6067147A

    公开(公告)日:2000-05-23

    申请号:US166569

    申请日:1998-10-06

    CPC分类号: G01C3/085 G01S11/12 G08G1/166

    摘要: A distance-measuring apparatus is formed of a photographic device formed of a pair of image-forming lenses and photosensor arrays for taking images of an object through the image-forming lenses, and a calculating device electrically connected to the photosensor arrays for calculating a distance to an object to be measured by two images of the object taken by the photographic device based on a triangulation principle. The calculating device calculates the distance to the object by an amount of shift determined based on an inter-optical-axis distance of the pair of image-forming lenses and photographed images of a reference object having a pattern of a periodic structure repeated at an interval same as the inter-optical-axis distance; a difference in offsets of image-forming positions on the photosensor arrays caused by a medium located between the apparatus and the measured object, with the difference being detected based on the amount of the shift; and an amount of shift detected when the distance to the measured object is measured.

    摘要翻译: 距离测量装置由一对成像透镜和用于通过图像形成透镜拍摄物体的光电传感器阵列形成的照相装置形成,以及计算装置,电连接到用于计算距离的光传感器阵列 通过基于三角测量原理的摄影装置拍摄的物体的两个图像来测量对象。 计算装置通过基于一对图像形成透镜的光轴间距离确定的移动量和以间隔重复的具有周期性结构的图案的参考对象的拍摄图像来计算与物体的距离 与光轴间距离相同; 由位于设备和测量对象之间的介质引起的光传感器阵列上的图像形成位置的偏移量的差异,其中基于偏移量检测差异; 并且当测量到被测量物体的距离时检测到的偏移量。

    Method for correcting detected distance values
    9.
    发明授权
    Method for correcting detected distance values 失效
    校正检测距离值的方法

    公开(公告)号:US5915033A

    公开(公告)日:1999-06-22

    申请号:US929421

    申请日:1997-09-15

    摘要: A method of the invention corrects a detection error, caused by an assembly error, in a distance or a distance-related index detected from an image captured in the visual field of an image detection module including an optical device and a pair of image sensing devices, each including a plurality of image sensors. In the method, the visual field is divided into windows disposed in a two-dimensional matrix format in order to detect the distance or a parallax for a pair of images in each window; the characteristics of an error is expressed in a detected value caused by an angle error in the assembly of the image detection module, as a quadratic polynomial for two angle variables indicating the position of the window within the visual field; parallax for a plurality of windows is detected after a test sample image has been provided to the module; the coefficient value for each term in the polynomial is determined based on the results of the detection, and these values are stored in a storage device; and, when using the image detection module to detect actual distances, the detected value for each window is corrected by adding to it the value of the polynomial to which the stored values of the coefficients and the values of the variables indicating the position of the window are applied.

    摘要翻译: 本发明的方法校正由在包括光学装置和一对图像感测装置的图像检测模块的视野中捕获的图像中检测到的距离或距离相关索引中的装配误差引起的检测误差 ,每个包括多个图像传感器。 在该方法中,将视野划分为以二维矩阵格式布置的窗口,以便检测每个窗口中一对图像的距离或视差; 作为用于表示窗口在视野内的位置的两个角度变量的二次多项式,误差特性表示为由图像检测模块的组装中的角度误差引起的检测值; 在将测试样本图像提供给模块之后,检测多个窗口的视差; 基于检测结果确定多项式中的每个项的系数值,并将这些值存储在存储装置中; 并且当使用图像检测模块检测实际距离时,通过将每个窗口的检测值加上其中存储的系数值和指示窗口位置的变量值的多项式的值来校正 被应用。

    Distance detection method using images
    10.
    发明授权
    Distance detection method using images 失效
    距离检测方法使用图像

    公开(公告)号:US6021209A

    公开(公告)日:2000-02-01

    申请号:US901066

    申请日:1997-07-28

    摘要: In a distance detection method, a pair of image data representing a pattern of images is obtained by using a pair of image sensors for receiving optical images. Then, a detection target extracted from each of the image data is captured while sequentially shifting positions of divisions in respective groups of divisions from window part data corresponding to a visual field to provide combinations, each having a pair of divisions, and a correlation value is calculated between each pair of the divisions. Also, a precision at a best correlation point as an indicator of reliability of the best correlation is obtained based on a changing condition of the correlation value near a shift value where the best correlation value has been calculated. Finally, a distance to the detection target is obtained by determining that the detection target is present in the visual field seen through the window corresponding to the window part data only when the precision exceeds a predetermined level.

    摘要翻译: 在距离检测方法中,通过使用一对用于接收光学图像的图像传感器来获得表示图像图案的一对图像数据。 然后,从每个图像数据提取的检测目标被捕获,同时依次将与各视野对应的窗口部分数据的各个划分组中的分割位置顺序地移位,以提供各自具有一对分割的组合和相关值 在每对部门之间计算。 此外,基于已经计算出最佳相关值的偏移值附近的相关值的变化条件,获得作为最佳相关性的可靠性的指标的最佳相关点的精度。 最后,只有当精度超过预定值时,通过确定通过窗口对应的窗口看到的视野中存在检测目标,才能获得与检测目标的距离。