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    • 3. 发明授权
    • POSITION DETECTOR
    • 位置检测器
    • EP1519146B1
    • 2008-01-30
    • EP03761825.3
    • 2003-06-27
    • Kabushiki Kaisha TOPCON
    • KUMAGAI, KaoruOHTOMO, Fumio
    • G01C15/00
    • G01C15/002
    • A position detector, especially a position detector for carrying our three-dimensional measurement of a target position through irradiation of range-finding light or measurement light and recording image data in the direction of irradiation or other directions. In particular, a position detector comprising a light source part capable of emitting measurement light; an image sensor capable of receiving reflection light; emission means for emitting measurement light and further guiding reflection light to the image sensor; rotation means for rotating the emission means; and an angle detector capable of detecting the direction of emission from the emission means, wherein the light source part and the image sensor are fixedly disposed, and which position detector further comprises a computation part capable of converting coordinates of a deviation of reflector from the central axis on the basis of image sensor output and angle detector output at the time of light receiving.
    • 一种位置检测器,特别是一种位置检测器,用于通过照射测距光或测量光来执行我们对目标位置的三维测量,并且在照射方向或其他方向上记录图像数据。 具体地,包括能够发射测量光的光源部件的位置检测器; 能够接收反射光的图像传感器; 用于发射测量光并且进一步将反射光引导至图像传感器的发射装置; 用于旋转发射装置的旋转装置; 以及角度检测器,其能够检测来自发射装置的发射方向,其中光源部件和图像传感器被固定地设置,并且该位置检测器还包括计算部件,该计算部件能够将反射器偏离中心的坐标 在光接收时基于图像传感器输出和角度检测器输出的轴。
    • 5. 发明公开
    • ELECTRO-OPTICAL DISTANCE METER
    • 电光距离仪表
    • EP3064962A1
    • 2016-09-07
    • EP16157707.7
    • 2016-02-26
    • Kabushiki Kaisha Topcon
    • OHTOMO, FumioKUMAGAI, Kaoru
    • G01S17/36G01S7/491G01S17/10G01S7/497
    • G01S7/4865G01S7/4915G01S7/497G01S17/102G01S17/36
    • The invention provides an electro-optical distance meter comprising a light emitting element for emitting a distance measuring light, signal generators for generating two or more proximity frequencies, a modulation signal in which the two or more proximity frequencies are intermitted respectively and converted to pulses with a predetermined width, a projecting optical system for sequentially switching over and projecting intermittent modulated distance measuring light as converted to pulses with predetermined width by the modulation signal, a photodetection unit for receiving a reflected distance measuring light from an object to be measured and producing an intermittent photodetection signal with a predetermined pulse width, a reference signal generator for issuing reference frequency signals having a difference of a predetermined frequency respectively, a frequency converting unit for performing frequency conversion by mixing the intermittent photodetection signals from the photodetection unit and the reference frequency signals, corresponding to each intermittent frequency signals respectively and obtaining intermittent conversion signals with a pulse width, and an arithmetic control unit, wherein the pulse width of the intermittent photodetection signal is set up so as to be longer in a time duration than a period of the intermittent conversion signal, and in a case where the object to be measured is a moving object, the period of the intermittent photodetection signal is set to such speed that a phase change of the intermittent conversion signal due to moving of the moving object can be negligible, wherein the arithmetic control unit is configured so as to calculate a precise measurement distance value by obtaining the phase of the intermittent photodetection signal with respect to the two or more proximity frequencies, to calculate a coarse measurement distance value by obtaining a phase difference between the intermittent conversion signals, and to determine a distance by combining the coarse measurement distance value and the precise measurement distance value.
    • 本发明提供了一种电光测距仪,包括用于发射测距光的发光元件,用于产生两个或更多个接近频率的信号发生器,两个或更多个接近频率分别被中断并且被转换为脉冲的调制信号, 一个预定的宽度,一个投影光学系统,用于顺序切换并投射间歇调制的测距光,该间隔调制的测距光通过调制信号转换为具有预定宽度的脉冲;光检测单元,用于接收来自待测物体的反射距离测量光并产生 具有预定脉冲宽度的间歇式光电检测信号,用于分别发出具有预定频率差的基准频率信号的参考信号发生器,用于通过混合来自光电探测器的间歇式光电检测信号来执行频率转换的频率转换单元 以及分别对应于各个间歇频率信号并获得具有脉冲宽度的间歇转换信号的基准频率信号和基准频率信号,以及运算控制单元,其中间歇光检测信号的脉冲宽度被设置为在a 时间比间歇转换信号的周期短,并且在测量对象是运动对象的情况下,间歇光检测信号的周期被设置为这样的速度,即由于移动引起的间歇转换信号的相位变化 其中运算控制单元被配置为通过获得关于两个或更多个接近频率的间歇光检测信号的相位来计算精确测量距离值,以计算粗测量距离值 通过获得间歇转换信号之间的相位差来确定 结合粗测量距离值和精确测量距离值的距离。
    • 6. 发明公开
    • POSTURE DETECTING DEVICE AND DATA ACQUIRING DEVICE
    • HALTUNGSNACHWEISVORRICHTUNG UND DERNERFASSUNGSVORRICHTUNG
    • EP3056857A1
    • 2016-08-17
    • EP16155681.6
    • 2016-02-15
    • Kabushiki Kaisha Topcon
    • OHTOMO, FumioOSARAGI, KazukiKUMAGAI, Kaoru
    • G01C15/00
    • G01S17/42G01C9/06G01C15/008G01C2009/066
    • The invention provides a posture detecting device, which comprises a tilt detecting unit as rotatably supported around two shafts perpendicular each other to an outer frame and for detecting a tilting from the horizontal, encoders provided on each of the shafts, motors provided so as to rotate each shaft, and a first arithmetic processing unit for driving/controlling the motor based on a detection result from the tilt detecting unit, wherein the first arithmetic processing unit drives the motors so that the tilt detecting unit detects the horizontal based on a signal from the tilt detecting unit when the outer frame is tilted and calculates a posture of the outer frame based on outputs of the encoders when the tilt detecting unit detects the horizontal.
    • 本发明提供了一种姿势检测装置,其包括倾斜检测单元,该倾斜检测单元可旋转地支撑在两个彼此垂直的轴上,并且用于检测来自水平的倾斜,设置在每个轴上的编码器,设置成旋转的电动机 每个轴和第一运算处理单元,用于根据来自倾斜检测单元的检测结果来驱动/控制电动机,其中第一运算处理单元驱动电动机,使得倾斜检测单元基于来自 当外框倾斜时倾斜检测单元,并且当倾斜检测单元检测到水平时,基于编码器的输出来计算外框的姿势。
    • 9. 发明公开
    • TILT DETECTING SYSTEM AND TILT DETECTING METHOD
    • NEIGUNGSDETEKTIONSSYSTEM UNDERVERHREN
    • EP3029418A2
    • 2016-06-08
    • EP15192741.5
    • 2015-11-03
    • Kabushiki Kaisha Topcon
    • KUMAGAI, KaoruOHTOMO, Fumio
    • G01C15/00G01C15/06
    • G01C15/06G01C15/002
    • The invention provides a tilt detecting system comprising, a surveying instrument having a distance measuring function and a line laser projecting unit installed as horizontally rotatable for projecting a vertical line laser, and a photodetection device having at least two photodetection units provided at a known interval, a target with a retro-reflectivity and an arithmetic unit, wherein the line laser projecting unit is rotated, each of the photodetection units are made to scan the line laser and the arithmetic unit detects a tilting angle of the photodetection device based on a deviation between a photodetection time moment of each photodetection unit and the distance measurement result of the target of the surveying instrument.
    • 本发明提供了一种倾斜检测系统,包括:具有距离测量功能的测量仪器和安装成可水平旋转的线激光投射单元,用于投射垂直线激光;以及光检测装置,具有以已知间隔设置的至少两个光电检测单元, 具有回射反射率的目标和运算单元,其中,线激光投射单元旋转,使每个光检测单元扫描行激光,并且运算单元基于光检测装置之间的偏差来检测光检测装置的倾斜角度 每个光电检测单元的光电检测时刻和测量仪器目标的距离测量结果。
    • 10. 发明公开
    • DISPLACEMENT MEASURING METHOD AND DISPLACEMENT MEASURING DEVICE
    • WEGMESSVERFAHREN UND WEGMESSVORRICHTUNG
    • EP3009807A1
    • 2016-04-20
    • EP15186810.6
    • 2015-09-25
    • Kabushiki Kaisha TOPCON
    • OHTOMO, FumioKUMAGAI, KaoruMOMIUCHI, MasayukiOSARAGI, Kazuki
    • G01D5/347G01C15/02G06T7/00
    • G01B11/254G01B11/002G01B11/26G01D5/34715G06K9/52G06T7/60
    • A displacement measuring device, comprising a pattern projecting unit, a pattern image pickup unit provided so as to be capable of relatively displacing with respect to the pattern projecting unit and a control unit, wherein the pattern projecting unit is capable of projecting a displacement detecting pattern to the pattern image pickup unit, the pattern image pickup unit is capable of picking up the displacement detecting pattern as projected, the control unit is adopted to circulate image of the displacement detecting pattern picked up by the pattern image pickup unit to the pattern projecting unit, to update the displacement detecting pattern projected by the pattern projecting unit to the displacement detecting pattern as circulated, and further to project the displacement detecting pattern as updated to the pattern image pickup unit, wherein a relative displacement between the pattern projecting unit and the pattern image pickup unit is obtained by dividing a displacement amount of the displacement detecting pattern in the image acquired by circulation by the number of circulations.
    • 一种位移测量装置,包括图案投影单元,设置成能够相对于图案投影单元相对移位的图案图像拾取单元和控制单元,其中图案投影单元能够将位移检测图案 图案图像拾取单元能够拾取投影时的位移检测图案,采用控制单元将由图案图像拾取单元拾取的位移检测图案的图像循环到图案投影单元 将由图案投影单元投影的位移检测图案更新为位移检测图案,并且进一步将更新后的位移检测图案投影到图案图像拾取单元,其中,图案投影单元和图案之间的相对位移 通过除位移量o获得图像拾取单元 f通过循环次数获得的图像中的位移检测图案。