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    • 23. 发明授权
    • Time difference measuring device, measuring method, distance measuring device, and distance measuring method
    • 时差测量装置,测量方法,距离测量装置和距离测量方法
    • US07777865B2
    • 2010-08-17
    • US11664666
    • 2005-09-30
    • Masahiro OhishiFumio Ohtomo
    • Masahiro OhishiFumio Ohtomo
    • G01C3/08
    • G01S17/105G01S7/497G04F10/06
    • A time difference measuring device can accurately measure a time difference between two pulse signals generated with a predetermined time difference by measuring the two pulse signals by one measurement. The time difference measuring device measures a time difference between a start signal (M1) and a stop signal (M2). The device has a reference signal generation unit (41) for generating two reference signals (S1, S2) having a π/2 phase difference. According to corresponding amplitude values (A11, A12) and (A21, A22) of the reference signals (S1, S2) at each generation timing of the start signal (M1) and the stop signal (M2), a phase difference detection unit (42) calculates a phase difference Δθ (=θstop−θstart) between the generation timings of the pulse signals (M1, M2). According to the detected phase difference Δθ and the cycle (Ts) of the reference signals (S1; S2), a time difference calculation unit (44) calculates the generation time difference Δt between the pulse signals (m1, M2).
    • 时差测量装置可以通过一次测量来测量两个脉冲信号来精确地测量以预定时间差产生的两个脉冲信号之间的时间差。 时差测量装置测量起始信号(M1)和停止信号(M2)之间的时间差。 该装置具有用于产生具有&pgr / 2相位差的两个参考信号(S1,S2)的参考信号产生单元(41)。 根据开始信号(M1)和停止信号(M2)的各生成定时的参考信号(S1,S2)的相应振幅值(A11,A12)和(A21,A22),相位差检测单元 42)计算相位差&Dgr;&Thetas; (M1,M2)的发生定时之间(=& t;停止 - 开始)。 根据检测到的相位差&Dgr;&Thetas; 参考信号(S1; S2)的周期(Ts),时间差计算单元(44)计算脉冲信号(m1,M2)之间的生成时间差Dgr; t。
    • 25. 发明申请
    • Multi-Point Measuring Method and Surveying Device
    • 多点测量方法和测量装置
    • US20090241358A1
    • 2009-10-01
    • US12309060
    • 2008-04-18
    • Fumio OhtomoHitoshi OtaniJunki KanekoTetsuji AnaiTerukazu Nagashima
    • Fumio OhtomoHitoshi OtaniJunki KanekoTetsuji AnaiTerukazu Nagashima
    • G01C3/04G06K9/00H04N7/00
    • G01C15/002
    • There are provided a telescope unit (5) having a first image pickup unit for acquiring a wide-angle image and a second image pickup unit for acquiring a telescopic image with higher magnification than the wide-angle image, a distance measuring unit for performing distance measurement by projecting a distance measuring light and by receiving a light reflected from an object to be measured, an angle measuring unit for detecting a horizontal angle and a vertical angle of the telescope unit, a drive unit for rotating and driving the telescope unit in a horizontal direction and in a vertical direction, and a control device for controlling image pickup of the first image pickup unit and the second image pickup unit and for controlling the drive unit based on the results of detection from the angle measuring unit, wherein the control device synthesizes a panoramic image by connecting the wide-angle image obtained by the first image pickup unit, sets up a scheduled measuring point by edge processing of the wide-angle image, and extracts the measuring point corresponding to the scheduled measuring points in the telescopic image by scanning the scheduled measuring point and acquiring the telescopic image by the second image pickup unit with respect to scheduled measuring points, and distance measurement is performed on the measuring point.
    • 提供了具有用于获取广角图像的第一图像拾取单元和用于获取具有比广角图像更高放大率的望远图像的第二图像拾取单元的望远镜单元(5),用于执行距离的距离测量单元 通过投射距离测量光并且接收从被测量物体反射的光的测量,用于检测望远镜单元的水平角度和垂直角度的角度测量单元,用于在望远镜单元中旋转和驱动望远镜单元的驱动单元 水平方向和垂直方向的控制装置,以及用于控制第一图像拾取单元和第二图像拾取单元的图像拾取并基于来自角度测量单元的检测结果来控制驱动单元的控制装置,其中控制装置 通过连接由第一图像拾取单元获得的广角图像来合成全景图像,通过边缘处理设置预定的测量点 并且通过扫描预定测量点并且通过第二图像拾取单元相对于计划的测量点获取与伸缩图像中的预定测量点相对应的测量点并获取伸缩图像,以及距离测量 在测量点进行。
    • 26. 发明授权
    • Position measuring instrument
    • 位置测量仪
    • US07515256B2
    • 2009-04-07
    • US10686858
    • 2003-10-16
    • Fumio OhtomoKazuki OsaragiKunihiro Hayashi
    • Fumio OhtomoKazuki OsaragiKunihiro Hayashi
    • G01C3/08
    • G01S7/4817G01C15/002G01S7/006G01S7/4813G01S7/497G01S17/023G01S17/42G01S17/89
    • The present invention relates to a position measuring instrument for, for example, scanning a photoreceiver as a target to be measured, and more particularly to an automatic position detection instrument capable of emitting distance measuring light and tracking light while turning directions of the distance measuring light and the tracking light so that three-dimensional measurement of a light receiving position is performed, and further capable of transmitting measured data to a photoreceiver provided on a target. A light source unit emits measuring light, and then a light receiving unit receives its reflected light. A scanning means emits measuring light in a scanning direction, and leads its reflected light to the light receiving unit. An angle detector detects a rotational position of the scanning means. The measuring light includes distance measuring light expanding in a fan-shaped manner. Its reflected light can be used to measure a distance to a reflector.
    • 本发明涉及一种用于例如扫描作为待测对象的光接收器的位置测量仪器,更具体地说,涉及一种能够在转动距离测量光的方向的同时发射距离测量光和跟踪光的自动位置检测仪器 和跟踪光,从而执行光接收位置的三维测量,并且还能够将测量数据发送到设置在目标上的光接收器。 光源单元发射测量光,然后光接收单元接收其反射光。 扫描装置沿扫描方向发射测量光,并将其反射光引导到光接收单元。 角度检测器检测扫描装置的旋转位置。 测量光包括以扇形方式扩展的距离测量光。 其反射光可用于测量到反射器的距离。
    • 29. 发明申请
    • Three-dimensional data preparing method and three-dimensional data preparing device
    • 三维数据准备方法和三维数据准备装置
    • US20070115354A1
    • 2007-05-24
    • US11598498
    • 2006-11-13
    • Fumio OhtomoHitoshi Otani
    • Fumio OhtomoHitoshi Otani
    • H04N7/18
    • G01C11/02
    • A 3-dimensional data preparing method, comprising a first step of continuously taking digital images of scenes in the surrounding when moving from a first point, which is a known point, via a second point, which is a known point, to a third point, which is an unknown point, a second step of generating tracking points from an image acquired at the first point, and sequentially specifying the tracking points by the pursuit of the points generated on the continuously acquired images, a third step of obtaining 3-dimensional data of the tracking points based on the result of orientation of the tracking points at the first point and at the second point and from position data of the first point and the second point, a fourth step of sequentially obtaining a position of the third point, i.e. an unknown point, based on the result of orientation of the tracking point acquired at the third point and based on 3-dimensional position data of the tracking point, a fifth step of obtaining 3-dimensional position data of an image including the tracking point from the result of orientation of the images including the tracking points at the first point and at the second point and from the position data at the first point and at the second point, and a sixth step of sequentially obtaining 3-dimensional position data of images including the tracking points from the result of orientation of the images including the tracking points at the second point and at the third point and from the position data at the second point and at the third point.
    • 一种三维数据准备方法,包括第一步骤,当从作为已知点的第一点经由已知点的第二点移动到第三点时,连续拍摄周围的场景的数字图像 ,其是未知点,第二步骤,从在第一点获取的图像产生跟踪点,并且通过追踪在连续获取的图像上产生的点来顺序地指定跟踪点;第三步骤,获得三维 基于第一点和第二点处的跟踪点的取向结果和第一点和第二点的位置数据的跟踪点的数据,顺序获得第三点的位置的第四步骤, 即基于在第三点获取的跟踪点的取向的结果并且基于跟踪点的三维位置数据的未知点,获得3维尺度的第五步骤 从包括在第一点和第二点处的跟踪点的图像的方位结果以及从第一点和第二点处的位置数据的包括跟踪点的图像的位置数据,以及第六步骤 从包括在第二点和第三点处的跟踪点的图像的取向结果以及从第二点和第三点处的位置数据顺序地获得包括跟踪点的图像的三维位置数据。
    • 30. 发明授权
    • Rotating position measuring instrument
    • 旋转位置测量仪
    • US07214917B2
    • 2007-05-08
    • US10320235
    • 2002-12-16
    • Fumio OhtomoAkio Kimura
    • Fumio OhtomoAkio Kimura
    • G01C21/02G01C3/08G01B11/26
    • G01C15/002
    • A position measuring instrument according to the present invention comprises a turning unit and a fixed unit, irradiates a target to be measured with measuring light to determine a distance, a direction, and a position on the basis of its reflected light. A light source unit emits measuring light; a light receiving unit receives its reflected light; a radiating means radiates measuring light in a direction which can be set freely, and directs its reflected light to the light receiving unit; an angle detecting means detects a direction in which the radiating means radiates light; the light source unit and the light receiving unit are fixedly provided; the light source unit emits measuring light toward the radiating means; and the light receiving unit receives reflected light from the target to be measured.
    • 根据本发明的位置测量仪器包括转动单元和固定单元,用测量光照射待测量的目标,以基于其反射光来确定距离,方向和位置。 光源单元发射测量光; 光接收单元接收其反射光; 辐射装置在可自由设定的方向上照射测量光,并将其反射光引导到光接收单元; 角度检测装置检测辐射装置辐射光的方向; 光源单元和光接收单元固定地设置; 光源单元朝向辐射装置发射测量光; 并且光接收单元接收来自被测量目标物的反射光。