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    • 2. 发明授权
    • Method for three-dimensional shape measurement of a body
    • 身体三维形状测量方法
    • US07492470B2
    • 2009-02-17
    • US11399346
    • 2006-04-07
    • Erik BüchlerHartmut BrinkmannAndre GarthausPhilip Von Schroeter
    • Erik BüchlerHartmut BrinkmannAndre GarthausPhilip Von Schroeter
    • G01B11/24A61C3/00
    • A61C19/04A61C9/0053A61C9/0093G01B11/24
    • The invention relates to a method for three-dimensional shape measurement of a body or of a part thereof, in particular of a dental object such as a model, by scanning non-contact distance measurement using an optical sensor device comprising a beam source, where the shape of the body subjects reproducing areas to a beam at various incidence angles (impinging beam), and the reflected beam (measuring beam) is measured, with the body being adjusted relative to the optical sensor device. To permit measurement with high precision of the body and undercuts thereof, without tilting being necessary, it is proposed that for shape measurement of the respectively measured area the beam (measuring beam) reflected therefrom, which describes an angle α to a surface normal corresponding to the respective area, is taken into account, said angle being equal to or smaller than a predefined critical angle αGR relative to the surface normal.
    • 本发明涉及一种用于通过使用包括光束源的光学传感器装置扫描非接触距离测量的身体或其一部分,特别是诸如模型的牙科物体的三维形状测量的方法,其中 身体的形状以各种入射角(入射光束)再现区域到光束,并且测量相对于光学传感器装置调节身体的反射光束(测量光束)。 为了允许以高精度的身体和底切进行测量,不需要倾斜,提出对于从其反射的光束(测量光束)对分别测量的面积进行形状测量,其描述与对应于 考虑到相应的区域,所述角度等于或小于相对于表面法线的预定临界角度αGR。
    • 3. 发明申请
    • Method of determining the shape of a dental technology object and apparatus for per-forming the method
    • 用于确定用于形成该方法的牙科技术物体和装置的形状的方法
    • US20070046663A1
    • 2007-03-01
    • US11507555
    • 2006-08-22
    • Hartmut BrinkmannStefan FecherLothar VolklRalf Jaumann
    • Hartmut BrinkmannStefan FecherLothar VolklRalf Jaumann
    • G06T15/00
    • G01B11/2522A61C9/006A61C9/0093
    • The invention relates to a method and an apparatus for a non-contact, three-dimensional determination of the shape of a dental technology object (10) whereby, to determine the space coordinates of the object's surface points to be measured, a thin stripe of light projected onto the object is measured by at least two matrix cameras (32, 34) to determine two space coordinates (Z- Y-coordinate) of a coordinate system, and the third space coordinate (X coordinate) is ascertained by determining the position of the object arranged on a measuring table (22) which is rotatable about an axis of rotation (20). For allowing, in an easy manner, a non-contact determination of the shape of the dental technology object, whereby the constructive effort to determine the spatial coordinates is kept low and the shape acquisition should still be performed highly precisely and at high speed, it is provided that the matrix camera is a color matrix camera with first, second and third pixels, that the matrix camera captures light in a range of wave lengths characteristic for one type of the pixels (first pixels) and the values at least of one of the other types of the pixels (second and third pixels) are analyzed to determine the two first location coordinates (Y- and Z-coordinates).
    • 本发明涉及一种用于非接触三维确定牙科技术物体(10)的形状的方法和装置,由此,为了确定物体的要测量的表面点的空间坐标, 通过至少两个矩阵摄像机(32,34)测量投影到物体上的光,以确定坐标系的两个空间坐标(Z-Y坐标),并且通过确定位置来确定第三空间坐标(X坐标) 被布置在可围绕旋转轴线(20)旋转的测量台(22)上的物体。 为了以容易的方式允许牙科技术对象的形状的非接触确定,由此确定空间坐标的建设性努力保持较低,并且还应该以高精度和高速执行形状获取, 提供了矩阵相机是具有第一,第二和第三像素的彩色矩阵相机,矩阵相机捕获在一种类型的像素(第一像素)的特征的波长范围内的光,并且至少一个 分析其他类型的像素(第二和第三像素)以确定两个第一位置坐标(Y坐标和Z坐标)。
    • 4. 发明授权
    • Articulated milling arm for a dental milling instrument
    • 用于牙科铣床的铰接铣刀
    • US06623221B2
    • 2003-09-23
    • US09827320
    • 2001-04-06
    • Gerd SchostekHartmut BrinkmannKlaus-Dietrich LingemannOtto Finke
    • Gerd SchostekHartmut BrinkmannKlaus-Dietrich LingemannOtto Finke
    • B23D700
    • A61C13/12Y10T409/306776Y10T409/306832Y10T409/307056Y10T409/309296Y10T409/309576Y10T409/309632
    • An articulated milling arm for a milling instrument, which includes a milling arm support movably attached to a frame to allow vertical displacement of the milling arm support; a first vertical axle, rotatably connecting the first milling arm support to a middle portion of the milling arm to allow swiveling of the middle portion of the milling arm horizontally about a vertical axis of the first vertical axle, the first vertical axle being provided with a braking surface; a second vertical axle, rotatably connecting the middle portion of the milling arm to a milling unit support to allow swiveling of the milling unit support horizontally about a vertical axis of the second vertical axle, the second vertical axle also being provided with a braking surface. The milling arm is provided with a movable braking plate, on the middle portion of the milling arm, which movably contacts the braking surface of the first vertical axle and the breaking surface of the second vertical axle. The invention further provides that the common braking plate is pressurized pneumatically or hydraulically via a diaphragm which presses against the braking surfaces of the two vertical axles in order to fix the articulated milling arm horizontally.
    • 一种用于铣削仪器的铰接铣削臂,其包括可移动地附接到框架以允许铣削臂支撑件的垂直位移的铣削臂支撑件; 第一垂直轴,其将第一铣削臂支撑件可旋转地连接到铣削臂的中间部分,以允许铣削臂的中间部分围绕第一垂直轴线的垂直轴线水平地旋转,第一竖直轴线设置有 制动面; 第二垂直轴,其将所述铣削臂的中间部分可旋转地连接到铣削单元支撑件,以允许所述铣削单元支撑件围绕所述第二竖直轴线的垂直轴线水平地旋转,所述第二垂直轴线还设置有制动表面。 铣臂在铣臂的中间部分设置有可移动的制动板,其可移动地接触第一垂直轴的制动表面和第二垂直轴的断裂表面。 本发明进一步规定,公共制动板通过隔膜压紧或液压加压,该隔膜压靠两个垂直轴的制动表面,以便水平地固定铰接的铣刨臂。
    • 6. 发明申请
    • Method for three-dimensional shape measurement of a body
    • 身体三维形状测量方法
    • US20060227338A1
    • 2006-10-12
    • US11399346
    • 2006-04-07
    • Erik BuchlerHartmut BrinkmannAndre GarthausPhilip Schroeter
    • Erik BuchlerHartmut BrinkmannAndre GarthausPhilip Schroeter
    • G01B11/24
    • A61C19/04A61C9/0053A61C9/0093G01B11/24
    • The invention relates to a method for three-dimensional shape measurement of a body or of a part thereof, in particular of a dental object such as a model, by scanning non-contact distance measurement using an optical sensor device comprising a beam source, where the shape of the body subjects reproducing areas to a beam at various incidence angles (impinging beam), and the reflected beam (measuring beam) is measured, with the body being adjusted relative to the optical sensor device. To permit measurement with high precision of the body and undercuts thereof, without tilting being necessary, it is proposed that for shape measurement of the respectively measured area the beam (measuring beam) reflected therefrom, which describes an angle α to a surface normal corresponding to the respective area, is taken into account, said angle being equal to or smaller than a predefined critical angle αGR relative to the surface normal
    • 本发明涉及一种用于通过使用包括光束源的光学传感器装置扫描非接触距离测量的身体或其一部分,特别是诸如模型的牙科物体的三维形状测量的方法,其中 身体的形状以各种入射角(入射光束)再现区域到光束,并且测量相对于光学传感器装置调节身体的反射光束(测量光束)。 为了允许以高精度的身体和底切进行测量,不需要倾斜,提出对于从其反射的光束(测量光束)对分别测量的面积进行形状测量,其描述与对应于 考虑到相应的区域,所述角度等于或小于相对于表面法线的预定临界角αGR