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1. 发明授权

US07443495B2 Surveying instrument and surveying method 有权
标题翻译：测量仪器和测量方法
公开(公告)号：US07443495B2
公开(公告)日：2008-10-28
申请号：US11565758
申请日：2006-12-01
申请人： Mikael Hertzman , Thomas Klang , Mikael Nordenfelt
发明人： Mikael Hertzman , Thomas Klang , Mikael Nordenfelt
IPC分类号： G01B11/26
CPC分类号： G01C15/00 , G01C15/002
摘要： A surveying instrument and method determine a duration of a measuring period for obtaining readings of angle values of an angle measuring system in dependence of readings of an error signal produced by a tracking system. It is thus possible to determine a value of the angle represented by the readings of the angle signal with a desired accuracy in the presence of air turbulence wherein the measuring period is shorter at low degrees of air turbulence and longer at higher degrees of air turbulence.
摘要翻译：测量仪器和方法确定测量周期的持续时间，以根据跟踪系统产生的误差信号的读数来获得角度测量系统的角度值的读数。因此，可以在存在空气湍流的情况下以所需的精度确定由角度信号的读数表示的角度的值，其中在低空气湍流时测量周期较短，并且在较高程度的空气湍流下更长。

2. 发明申请

US20050201610A1 Contactless measuring of position and orientation 有权
标题翻译：非接触式测量位置和方向
公开(公告)号：US20050201610A1
公开(公告)日：2005-09-15
申请号：US11057864
申请日：2005-02-14
申请人： Mikael Hertzman , Troy Brown
发明人： Mikael Hertzman , Troy Brown
IPC分类号： G06K9/00
CPC分类号： G06T7/74 , G06T2207/10012 , G06T2207/30164
摘要： The invention relates to a method and device for contactless or touch-free measurement of a tool by imaging. A processor makes calculations based on image points on the tool, imaged onto an imaging area. Optics present the image of the image points on the tool on the imaging area. The processor calculates the momentary position and/or orientation along at least one axis of the tool making use of the image points. A number of measuring markers have predetermined mutual positions and are on the tool. Each measuring marker comprises at least one measuring point. At least one of the points is identifiable. Each measuring marker to be used as position and/or orientation indicator has a size making it restorable by the processor even if a part of it on the tool is obscured from the image area, for example by dust.
摘要翻译：本发明涉及通过成像对工具进行无接触或无触摸测量的方法和装置。处理器根据工具上的图像点进行计算，成像到成像区域。光学元件将图像点的图像呈现在成像区域上的工具上。处理器利用使用图像点的工具的至少一个轴计算瞬时位置和/或取向。许多测量标记具有预定的相互位置并且在工具上。每个测量标记包括至少一个测量点。至少有一点是可识别的。用作位置和/或姿态指示器的每个测量标记具有使处理器可恢复的尺寸，即使其中的一部分在工具上也被图像区域例如灰尘遮蔽。

3. 发明授权

US08743455B2 Optical pulse transmitter 有权
标题翻译：光脉冲发射机
公开(公告)号：US08743455B2
公开(公告)日：2014-06-03
申请号：US13381047
申请日：2009-06-30
申请人： Yuri Gusev , Mikael Hertzman , Evgeny Vanin , Christian Grässer
发明人： Yuri Gusev , Mikael Hertzman , Evgeny Vanin , Christian Grässer
IPC分类号： H01S5/06
CPC分类号： H01S5/042 , H01S3/06716 , H01S5/0428 , H01S5/06216
摘要： It is disclosed a method for driving a laser diode such as to enable mitigation or elimination of so called spiking effects related to the number of injected carriers in the laser overshooting the equilibrium value at the beginning of the lasing process. In this manner, among other things, the efficiency of a master oscillator power amplifier that may be utilized in range finding applications will be improved. It is further disclosed an optical pulse transmitter comprising such a laser diode.
摘要翻译：公开了一种用于驱动激光二极管的方法，以便能够减轻或消除与在激光过程开始时的激光器中的注入载流子数量相关的所谓峰值效应超过平衡值。以这种方式，除了别的以外，可以提高可用于测距应用中的主振荡器功率放大器的效率。还公开了一种包括这种激光二极管的光脉冲发射器。

4. 发明授权

US07908752B2 Geodetic instrument and related method 有权
标题翻译：大地测量仪器及相关方法
公开(公告)号：US07908752B2
公开(公告)日：2011-03-22
申请号：US12448604
申请日：2006-12-27
申请人： Mikael Hertzman , Magnus Westermark , Set Svanholm
发明人： Mikael Hertzman , Magnus Westermark , Set Svanholm
IPC分类号： G01C5/00
CPC分类号： G01C11/06 , G01C15/002
摘要： 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.
摘要翻译：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。

5. 发明申请

US20100037474A1 GEODETIC INSTRUMENT AND RELATED METHOD 有权
标题翻译：地质仪器及相关方法
公开(公告)号：US20100037474A1
公开(公告)日：2010-02-18
申请号：US12448604
申请日：2006-12-27
申请人： Mikael Hertzman , Magnus Westermark , Set Svanholm
发明人： Mikael Hertzman , Magnus Westermark , Set Svanholm
IPC分类号： G01C5/00
CPC分类号： G01C11/06 , G01C15/002
摘要： 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.
摘要翻译：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。

6. 发明授权

US07634381B2 Position control arrangement, especially for a surveying instrument, and a surveying instrument 有权
公开(公告)号：US07634381B2
公开(公告)日：2009-12-15
申请号：US11084797
申请日：2005-03-18
申请人： Magnus Westermark , Mikael Hertzman , Ulf Berg , Thomas Klang
发明人： Magnus Westermark , Mikael Hertzman , Ulf Berg , Thomas Klang
IPC分类号： G01C19/00 , G01C1/00
CPC分类号： G01C15/002 , G05B19/19 , G05B2219/42091 , G05B2219/42104
摘要： In a position control arrangement for controlling the rotational position of a movable unit, especially for a surveying instrument, an electric motor is arranged to rotate the movable unit around an axis of rotation, and there are controllers for enabling the motor to stop the movable unit in a desired rotational position. The motor is a direct drive motor, the shaft of which forms the axis of rotation for the movable unit, and the motor is arranged to selectively operate in either a first, normal mode for rotating the movable unit to a desired position, or in a second, friction mode for providing resistance to a forced rotation of the movable unit from a predetermined position to a new position. A control unit detects the presence of a forced rotation and automatically changes the mode of operation in response thereto.

7. 发明授权

US07589313B2 Method and apparatus for absolute optical encoders with reduced sensitivity to scale or disk mounting errors 有权
标题翻译：绝对光学编码器的方法和设备，对刻度或磁盘安装误差的灵敏度降低
公开(公告)号：US07589313B2
公开(公告)日：2009-09-15
申请号：US10554027
申请日：2004-04-21
申请人： Mikael Nordenfelt , Mikael Hertzman , Staffan Palm , Magnus Westermark
发明人： Mikael Nordenfelt , Mikael Hertzman , Staffan Palm , Magnus Westermark
IPC分类号： G01D5/34
CPC分类号： G01D5/34707
摘要： An absolute optical encoder apparatus for measuring an absolute position comprises an optical disk or scale element (100) having both incremental and absolute code tracks formed thereon. In the embodiment, a photoemitter light source (110, 111) illuminates the tracks onto a CCD area array sensor (115, 116) such that an image is formed from a pixel matrix having of rows and columns. Two detector line rows (410, 420) of the pixel matrix are each read out from the portion of the matrix comprising the incremental and absolute code tracks respectively. Inaccurate mounting of the disk or scale element can cause fluctuations in the period of the code tracks resulting from the rotation of the disk or movement of the scale element. The mounting inaccuracies are compensated for either by matching the spatial frequency by dynamically changing row of detector line read from the incremental image of the code track or by altering the numerical value of the pattern period used in the Fourier phase algorithm. The absolute position is numerically calculated from the imaged code tracks.
摘要翻译：用于测量绝对位置的绝对光学编码器装置包括具有形成在其上的增量和绝对码轨道的光盘或刻度元件（100）。在本实施例中，光电发生器光源（110,111）将光道照射到CCD区域阵列传感器（115,116）上，使得图像由具有行和列的像素矩阵形成。像素矩阵的两个检测器行行（410,420）分别从包括增量和绝对代码轨道的矩阵的部分读出。磁盘或刻度元件的不准确的安装可能导致由于盘的旋转或刻度元件的移动而产生的代码轨迹的周期的波动。通过动态地改变从代码轨道的增量图像读取的检测器线的行或通过改变在傅立叶相位算法中使用的模式周期的数值来匹配空间频率来补偿安装不准确。绝对位置从成像的代码轨迹数值计算。

8. 发明申请

US20090133273A1 Position control arrangement, especially for a surveying instrument, and a surveying instrument 有权
标题翻译：位置控制安排，特别是测量仪器和测量仪器
公开(公告)号：US20090133273A1
公开(公告)日：2009-05-28
申请号：US12291464
申请日：2008-11-10
申请人： Magnus Westermark , Mikael Hertzman , Ulf Berg , Thomas Klang
发明人： Magnus Westermark , Mikael Hertzman , Ulf Berg , Thomas Klang
IPC分类号： G01C1/00 , G05B7/02
CPC分类号： G05B19/19 , G01C1/00 , G01C15/00 , G01C15/002 , G05B7/02 , G05B2219/42091 , G05B2219/42104 , G06F15/00
摘要： In a position control arrangement for controlling the rotational position of a movable unit, especially for a surveying instrument, an electric motor is arranged to rotate the movable unit around an axis of rotation, and there are controllers for enabling the motor to stop the movable unit in a desired rotational position. The motor is a direct drive motor, the shaft of which forms the axis of rotation for the movable unit, and the motor is arranged to selectively operate in either a first, normal mode for rotating the movable unit to a desired position, or in a second, friction mode for providing resistance to a forced rotation of the movable unit from a predetermined position to a new position. A control unit detects the presence of a forced rotation and automatically changes the mode of operation in response thereto.
摘要翻译：在用于控制可移动单元的旋转位置的位置控制装置中，特别是用于测量仪器，电动马达被布置成围绕旋转轴线旋转可移动单元，并且存在用于使马达能够停止可移动单元的控制器在期望的旋转位置。电动机是直接驱动电动机，其轴形成可移动单元的旋转轴线，并且电动机被布置成选择性地以第一正常模式操作以将可移动单元旋转到期望位置，或者以第二，用于提供对可移动单元的强制旋转从预定位置到新位置的阻力的摩擦模式。控制单元检测强制旋转的存在，并响应于此而自动地改变操作模式。

9. 发明授权

US09046362B2 Method for a measuring instrument 有权
标题翻译：测量仪器的方法
公开(公告)号：US09046362B2
公开(公告)日：2015-06-02
申请号：US13578457
申请日：2010-02-11
申请人： Magnus Westermark , Mikael Hertzman
发明人： Magnus Westermark , Mikael Hertzman
IPC分类号： G01C25/00 , G01C5/00 , G01C15/00
CPC分类号： G01C15/002 , G01C25/00
摘要： 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.
摘要翻译：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。

10. 发明申请

US20120162749A1 OPTICAL PULSE TRANSMITTER 有权
标题翻译：光学脉冲发射器
公开(公告)号：US20120162749A1
公开(公告)日：2012-06-28
申请号：US13381047
申请日：2009-06-30
申请人： Yuri Gusev , Mikael Hertzman , Evgeny Vanin , Christian Grässer
发明人： Yuri Gusev , Mikael Hertzman , Evgeny Vanin , Christian Grässer
IPC分类号： H01S5/062 , H01S3/067 , H01S3/091
CPC分类号： H01S5/042 , H01S3/06716 , H01S5/0428 , H01S5/06216
摘要： It is disclosed a method for driving a laser diode such as to enable mitigation or elimination of so called spiking effects related to the number of injected carriers in the laser overshooting the equilibrium value at the beginning of the lasing process. In this manner, among other things, the efficiency of a master oscillator power amplifier that may be utilized in range finding applications will be improved. It is further disclosed an optical pulse transmitter comprising such a laser diode.
摘要翻译：公开了一种用于驱动激光二极管的方法，以便能够减轻或消除与在激光过程开始时的激光器中的注入载流子数量相关的所谓尖峰效应超过平衡值。以这种方式，除了别的以外，可以提高可用于测距应用中的主振荡器功率放大器的效率。还公开了一种包括这种激光二极管的光脉冲发射器。

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