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    • 5. 发明授权
    • Method for a measuring instrument
    • 测量仪器的方法
    • US09046362B2
    • 2015-06-02
    • US13578457
    • 2010-02-11
    • Magnus WestermarkMikael Hertzman
    • Magnus WestermarkMikael Hertzman
    • G01C25/00G01C5/00G01C15/00
    • G01C15/002G01C25/00
    • A method for a measuring instrument is disclosed, for separating the angular deviation of a rotational axis of an instrument body from a corresponding true rotational axis due to imperfections in at least one rolling-element bearing effectuating the rotational mounting of the instrument body into different parts corresponding to type of imperfection. The method comprises detecting rotary position of the at least one rolling-element bearing, and determining angular deviation of the rotational axis from the corresponding true rotational axis in a plurality of rotational positions of the instrument body, wherein the instrument body is rotated a plurality of successive full or partial revolutions about the rotational axis. There is also disclosed a measuring system and a measuring instrument to be used in such a measuring system.
    • 公开了一种用于测量仪器的方法,用于由于至少一个滚动元件轴承中的缺陷而将仪器主体的旋转轴线与相应的真实旋转轴线的角度偏差分离,从而将仪器主体的旋转安装实现为不同部分 对应于不完善的类型。 该方法包括检测至少一个滚动元件轴承的旋转位置,并且在仪器主体的多个旋转位置中确定旋转轴线与对​​应的真实旋转轴线的角度偏差,其中仪器主体旋转多个 围绕旋转轴的连续的全部或部分转动。 还公开了一种在这种测量系统中使用的测量系统和测量仪器。
    • 6. 发明授权
    • Tilt sensor for a measuring instrument
    • 用于测量仪器的倾斜传感器
    • US08289528B2
    • 2012-10-16
    • US12735975
    • 2008-03-07
    • Magnus Westermark
    • Magnus Westermark
    • G01B11/14
    • G01C15/004G01C9/20
    • A position-determining apparatus, such as measuring or surveying instruments, is disclosed. In at least one embodiment, the present invention relates to a tilt sensor for a measuring instrument including a movable housing that is controllably rotatable around a rotational axis, wherein the rotational axis may be positioned so that it deviates from a true vertical axis being parallel with a gravitational axis. In at least one embodiment, the tilt sensor includes a gravity sensitive gradient indicating element arranged such that a surface of the element is positioned orthogonally to the true vertical axis during movements of the measuring instrument, wherein the gravity sensitive gradient indicating element is arranged in connection to the non-rotating base; and a detecting device adapted to produce at least one detecting signal and to receive at least one response signal, wherein a deviation between the rotational axis and the true vertical axis is detectable using the at least one response signal.
    • 公开了诸如测量或测量仪器的位置确定装置。 在至少一个实施例中,本发明涉及一种用于测量仪器的倾斜传感器,其包括可围绕旋转轴线可控制地旋转的可移动壳体,其中旋转轴线可以被定位成使其偏离与 重力轴。 在至少一个实施例中,倾斜传感器包括重力敏感梯度指示元件,该重力敏感梯度指示元件布置成使得在测量仪器移动期间该元件的表面与真实垂直轴线垂直定位,其中重力敏感梯度指示元件被布置成连接 到非旋转底座; 以及适于产生至少一个检测信号并且接收至少一个响应信号的检测装置,其中使用所述至少一个响应信号检测所述旋转轴线与所述真实垂直轴线之间的偏差。
    • 7. 发明授权
    • Geodetic instrument and related method
    • 大地测量仪器及相关方法
    • US07908752B2
    • 2011-03-22
    • US12448604
    • 2006-12-27
    • Mikael HertzmanMagnus WestermarkSet Svanholm
    • Mikael HertzmanMagnus WestermarkSet Svanholm
    • G01C5/00
    • G01C11/06G01C15/002
    • A geodetic instrument is disclosed, wherein an image sensor is used for locating the instrument above a desired point on the ground. The positioning of the image sensor with respect to the instrument vertical rotation axis is determined, or calibrated, using a method where two images are captured at different horizontal rotational positions for the instrument, and where the center pixel of the image sensor is related to the vertical rotation axis by means of image processing. It is also disclosed how reflecting elements, such as prisms, may be used for providing stereoscopic vision that can be used for determining the instrument height above the ground.
    • 公开了一种大地测量仪器,其中使用图像传感器将仪器定位在地面上所需点上方。 图像传感器相对于仪器垂直旋转轴的定位使用在仪器的不同水平旋转位置捕获两个图像并且图像传感器的中心像素与图像传感器的中心像素相关的方法来确定或校准 垂直旋转轴通过图像处理。 还公开了诸如棱镜之类的反射元件如何用于提供立体视觉,可用于确定在地面上方的仪器高度。
    • 8. 发明申请
    • TILT SENSOR FOR A MEASURING INSTRUMENT
    • 用于测量仪器的倾斜传感器
    • US20110001986A1
    • 2011-01-06
    • US12735975
    • 2008-03-07
    • Magnus Westermark
    • Magnus Westermark
    • G01N21/55G01R27/26
    • G01C15/004G01C9/20
    • A position-determining apparatus, such as measuring or surveying instruments, is disclosed. In at least one embodiment, the present invention relates to a tilt sensor for a measuring instrument including a movable housing that is controllably rotatable around a rotational axis, wherein the rotational axis may be positioned so that it deviates from a true vertical axis being parallel with a gravitational axis. In at least one embodiment, the tilt sensor includes a gravity sensitive gradient indicating element arranged such that a surface of the element is positioned orthogonally to the true vertical axis during movements of the measuring instrument, wherein the gravity sensitive gradient indicating element is arranged in connection to the non-rotating base; and a detecting device adapted to produce at least one detecting signal and to receive at least one response signal, wherein a deviation between the rotational axis and the true vertical axis is detectable using the at least one response signal.
    • 公开了诸如测量或测量仪器的位置确定装置。 在至少一个实施例中,本发明涉及一种用于测量仪器的倾斜传感器,其包括可围绕旋转轴线可控制地旋转的可移动壳体,其中旋转轴线可以被定位成使其偏离与 重力轴。 在至少一个实施例中,倾斜传感器包括重力敏感梯度指示元件,该重力敏感梯度指示元件布置成使得在测量仪器移动期间该元件的表面与真实垂直轴线垂直定位,其中重力敏感梯度指示元件被布置成连接 到非旋转底座; 以及适于产生至少一个检测信号并且接收至少一个响应信号的检测装置,其中使用所述至少一个响应信号检测所述旋转轴线与所述真实垂直轴线之间的偏差。