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    • 5. 发明授权
    • Electro-optical distance measuring device
    • 电光测距装置
    • US08908156B2
    • 2014-12-09
    • US12984975
    • 2011-01-05
    • Fumio OhtomoKaoru Kumagai
    • Fumio OhtomoKaoru Kumagai
    • G01S17/66G01S17/36G01S17/32G01S17/46G01S17/88G01S17/89
    • G01S17/36G01S17/32G01S17/325G01S17/89
    • An electro-optical distance measuring device having a photodetection unit comprising a plurality of pixels arranged in a predetermined arrangement is disclosed. A signal processing unit has a storage unit for storing the detection result in correspondence with each of the pixels, wherein the signal processing control unit sequentially changes a position of the division for every cycle wave at which the photodetection amount is detected and continues detections until a detected range becomes at least one cycle or more. The arithmetic processing unit calculates a waveform for at least one cycle stored in the storage unit for each pixel, obtains a phase difference of the waveform with respect to the irradiated distance measuring light, and calculates the distance based on the phase difference.
    • 公开了一种具有以预定布置布置的多个像素的光检测单元的电光测距装置。 信号处理单元具有用于存储与每个像素相对应的检测结果的存储单元,其中信号处理控制单元对于检测到光检测量的每个周期波顺序改变除法的位置,并继续检测,直到 检测范围变为至少一个周期以上。 算术处理单元针对每个像素计算存储在存储单元中的至少一个周期的波形,获得相对于照射的距离测量光的波形的相位差,并且基于相位差来计算距离。
    • 7. 发明授权
    • Distance-measuring device
    • 距离测量装置
    • US07177015B2
    • 2007-02-13
    • US10732075
    • 2003-12-10
    • Fumio OhtomoKaoru KumagaiJun-ichi Kodaira
    • Fumio OhtomoKaoru KumagaiJun-ichi Kodaira
    • G01C3/08
    • G01S7/497G01C15/002G01S7/4812G01S7/4818G01S7/4918G01S17/08
    • A distance-measuring device, comprising a light source unit for emitting a distance-measuring light, a photodetection optical system, a projecting optical system for projecting the distance-measuring light from the light source unit to an object to be measured and for guiding the distance-measuring light reflected by the object to be measured to the photodetection optical system, and an internal reference optical system for guiding the distance-measuring light from the light source unit toward the photodetection optical system, wherein the light source unit can emit two distance-measuring lights having different spreading angles and having the same or almost the same wavelengths, and the photodetection optical system has an optical filter which transmits light components of narrower wavelength range of the distance-measuring light.
    • 一种距离测量装置,包括用于发射距离测量光的光源单元,光电检测光学系统,用于将来自光源单元的距离测量光投射到待测量对象的投影光学系统, 被测量物体对光检测光学系统反射的距离测量光和用于将来自光源单元的距离测量光引导到光电检测光学系统的内部参考光学系统,其中光源单元可以发射两个距离 - 具有不同扩展角度并且具有相同或几乎相同波长的测量光,并且光电检测光学系统具有透射距离测量光的较窄波长范围的光分量的滤光器。
    • 8. 发明授权
    • Electric distance meter
    • 电距离表
    • US07095490B2
    • 2006-08-22
    • US10756855
    • 2004-01-14
    • Fumio OhtomoKaoru KumagaiKenichiro Yoshino
    • Fumio OhtomoKaoru KumagaiKenichiro Yoshino
    • G01C3/08
    • G01S17/36
    • An electric distance meter of the present invention comprises a device (1) to generate a modulation signal for modulating measuring light which is irradiated to an object, a device (4) to periodically generate an intermittent pulse signal for generating intermittent modulated measuring light by intermittently adding the modulation signal to a light emitting element (10), a device (5A) to generate an internal frequency signal (S5) with a frequency different from the modulation signal (S2), a light receiving element (27) for outputting a light receiving signal by receiving the intermittent modulated measuring light, a device (7) to generate an intermittent difference frequency signal (S7) by inputting the light receiving signal (S4) and the signal (S5), an arithmetic logical unit (36) for calculating a distance to the object based on a phase difference between a phase of the signal (S7) output from the device (7) and a phase of the intermittent difference frequency signal obtained through a reference optical path.
    • 本发明的电气距离计包括:设备(1),用于产生用于调制照射到物体的测量光的调制信号;周期性地产生用于间歇地产生间歇调制的测量光的间歇脉冲信号的装置(4) 将调制信号添加到发光元件(10),设备(5A)以产生具有与调制信号(S 2)不同的频率的内部频率信号(S 5),用于 通过接收间歇调制的测量光来输出光接收信号;通过输入光接收信号(S 4)和信号(S 5)产生间歇差频信号(S 7)的装置(7),算术逻辑 单元(36),用于基于从装置(7)输出的信号(S 7)的相位与间歇频率的相位之间的相位差计算到物体的距离 通过参考光路获得的通量信号。
    • 10. 发明申请
    • Measurement device
    • 测量装置
    • US20050172503A1
    • 2005-08-11
    • US10501386
    • 2003-09-02
    • Kaoru KumagaiFumio Ohtomo
    • Kaoru KumagaiFumio Ohtomo
    • G01C15/00G01C5/00
    • G01C15/002
    • The present invention provides a surveying instrument (20), comprising a surveying instrument main unit (21) which projects a measuring light to an object to be measured and measures a position based on a reflection light from the object to be measured and an operation device (67) which is removably attached on the surveying instrument main unit, wherein the surveying instrument main unit comprises a distance measuring unit (54) and (55) for emitting the measuring light and for measuring a distance, an image pickup unit (51) and (53) for acquiring an image, a reflection mirror (45) rotatably mounted and used for directing the measuring light toward the object to be measured, for directing the reflected light from the object to be measured toward a light receiving unit, and for directing the image in a projecting direction toward the image pickup unit, a detecting means (31) for detecting a rotating position of the reflection mirror, and a control unit (74) for controlling at least the distance measuring unit, the image pickup unit and the rotating position of the reflection mirror, and wherein the operation device comprises a display unit for displaying the image acquired by the image pickup unit.
    • 本发明提供了一种测量仪器(20),其包括测量仪器主单元(21),该测量仪器主单元(21)将测量光投射到被测量物体上,并基于来自被测量物体的反射光测量位置;以及操作装置 (67),其可拆卸地安装在测量仪器主单元上,其中测量仪器主单元包括用于发射测量光并用于测量距离的测距单元(54)和(55),摄像单元(51) 和用于获取图像的(53),反射镜(45),可旋转地安装并用于将测量光朝向被测量物体引导,用于将待测物体的反射光导向光接收单元,并且 将图像沿投影方向引导到图像拾取单元;检测装置,用于检测反射镜的旋转位置;以及控制单元(74),用于对准 至少测量距离测量单元,图像拾取单元和反射镜的旋转位置,并且其中操作装置包括用于显示由图像拾取单元获取的图像的显示单元。