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    • 4. 发明授权
    • Measuring arrangement and method for the three-dimensional measurement of an object
    • 物体三维测量的测量方法和方法
    • US08515528B2
    • 2013-08-20
    • US12532262
    • 2008-04-24
    • Rainer GraserRaimund HibstKarl StockMichael Zint
    • Rainer GraserRaimund HibstKarl StockMichael Zint
    • A61B6/00
    • G01B11/24A61C9/006A61C9/0066G01B2210/50G02B21/0032G02B21/0044G02B21/0064
    • A measuring arrangement and a method for the three-dimensional measurement of at least part of an object includes a light source with a continuous spectrum, a device for generating a multifocal lighting pattern, a lens with a large chromatic aberration for imaging foci of the lighting pattern on the object, a detection unit for generating the wavelength spectrum of the foci that are confocally imaged on the object via the lens, and a spectrum-dispersive device disposed between the confocally imaged foci and the detection device. In order to create a highly accurate surface profile in a relatively short time even in the case of moving objects, the invention proposes that a first hole pattern including first holes be disposed in the plane of the confocally imaged foci, the geometric arrangement of the first holes corresponding to the geometric arrangement of the foci of the multifocal lighting pattern.
    • 用于物体的至少一部分的三维测量的测量装置和方法包括具有连续光谱的光源,用于产生多焦点照明图案的装置,具有用于成像照明焦点的大色差的透镜 用于产生通过透镜在物体上共焦成像的焦点的波长谱的检测单元,以及设置在被共焦成像的焦点和检测装置之间的光谱色散装置。 为了即使在移动物体的情况下也能在相当短的时间内产生高度精确的表面轮廓,本发明提出了包括第一孔的第一孔图案设置在被共同成像的焦点的平面内,第一 对应于多焦点照明图案的焦点的几何排列的孔。
    • 7. 发明授权
    • Method and device for the recognition of caries, plaque, concretions or bacterial infection on teeth
    • 用于识别牙齿上的龋齿,斑块,结实或细菌感染的方法和装置
    • US06186780B1
    • 2001-02-13
    • US09309867
    • 1999-05-11
    • Raimund HibstRobert Paulus
    • Raimund HibstRobert Paulus
    • A61C100
    • A61B5/0088A61C19/04
    • Method and device for the recognition of caries, plaque, concretions or bacterial infections on teeth, whereby with the aid of a light source (1) an excitation radiation (9) is generated which is directed at a tooth (4) to be investigated and there brings about a fluorescence radiation (10). The fluorescence radiation is detected and evaluated with a detection device (8). A spectral filter is arranged before the detection device (8) which restricts the fluorescence radiation detected and evaluated by the detection device (8) to wavelengths greater than ca. 800 nm, in order to make possible an improved detection of carious tooth regions. Advantageously, the irradiation of the tooth to be investigated is effected with a relatively long wavelength excitation radiation (9), the wavelength of which may be for example ca. 780 nm.
    • 用于识别牙齿上的龋齿,斑块,结构或细菌感染的方法和装置,借助于光源(1),产生针对待研究的牙齿(4)的激发辐射(9),并且 会引起荧光辐射(10)。 用检测装置(8)检测和评估荧光辐射。 在检测装置(8)之前设置光谱滤波器,其将由检测装置(8)检测和评估的荧光辐射限制为大于约的波长。 800 nm,以便有可能改善龋齿区域的检测。 有利地,待研究的牙齿的照射是用较长波长的激发辐射(9)进行的,其波长可以是例如约 780nm。