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    • 51. 发明授权
    • Optical position-measuring device
    • 光学位置测量装置
    • US09013710B2
    • 2015-04-21
    • US13463438
    • 2012-05-03
    • Michael Hermann
    • Michael Hermann
    • G01B11/02G01D5/347
    • G01D5/34715
    • An optical position-measuring device for detecting the relative position of two objects includes a measuring standard connected to one object, and a scanning unit connected to the other object and including a light source, one or more grating(s), and a detector system. The detector system includes a plurality of detector element groups arranged in a detection plane, via which a plurality of position-dependent, phase-shifted scanning signals is able to be generated by scanning a periodic fringe pattern that results in the detection plane, the detector elements that have in-phase scanning signals forming a group in each case. The sum of the areas and the centroid of the detector elements of a group is identical to the sum of the areas and the centroid, respectively, of the detector elements of each other group. Periodic diaphragm structures are arranged in front of the light-sensitive areas of the detector elements.
    • 用于检测两个物体的相对位置的光学位置测量装置包括连接到一个物体的测量标准和连接到另一个物体并包括光源,一个或多个光栅和检测器系统的扫描单元 。 检测器系统包括布置在检测平面中的多个检测器元件组,通过该多个检测器元件组可以通过扫描导致检测平面的周期性条纹图案来生成多个位置相关的相移扫描信号,检测器 在每种情况下具有同相扫描信号形成组的元件。 组的检测器元件的面积和质心的总和分别与每个其他组的检测器元件的面积和质心之和相同。 定期隔膜结构布置在检测器元件的感光区域的前面。
    • 52. 发明授权
    • Method for digitally recording an analog audio signal with automatic indexing
    • 用于以自动索引数字记录模拟音频信号的方法
    • US08315858B1
    • 2012-11-20
    • US10031471
    • 2000-07-13
    • Christian LeglMichael Hermann
    • Christian LeglMichael Hermann
    • G10L11/06
    • G09B5/04
    • A method for digitally recording an analog audio signal with automatic indexing, having the following steps: (a) an analog audio signal containing audio information and signal pauses is read in, (b) the analog audio signal is converted into digital audio data comprising audio information data and signal pause duration data, (c) the audio information data are stored as information data blocks and the signal pause duration data are stored as signal pause data blocks in a memory, (d) the stored data blocks are read sequentially and an index table is produced, any succession of information data blocks which is not interrupted by a signal pause with a predetermined duration being detected as one cohesive audio information data sequence whose start and end are stored in the index table.
    • 一种用于以自动索引数字记录模拟音频信号的方法,具有以下步骤:(a)包含音频信息和信号暂停的模拟音频信号被读入,(b)模拟音频信号被转换成包括音频的数字音频数据 信息数据和信号暂停持续时间数据,(c)音频信息数据被存储为信息数据块,信号暂停持续时间数据作为信号暂停数据块存储在存储器中,(d)所存储的数据块被顺序读取, 产生索引表,检测到没有被预定持续时间的信号暂停中断的信息数据块的任何连续性作为其起始和结束存储在索引表中的一个内聚音频信息数据序列。
    • 56. 发明授权
    • Method and apparatus for the non-destructive and contactless detection of faults in a test piece which is moved relative to a probe
    • 用于非破坏性和非接触式检测相对于探针移动的测试件中的故障的方法和装置
    • US07423424B2
    • 2008-09-09
    • US10595899
    • 2005-07-18
    • Roland HoelzlMichael Hermann
    • Roland HoelzlMichael Hermann
    • G01N27/82G01N27/90
    • G01N29/46G01N27/90G01N29/043G01N29/11G01N29/2412G01N29/27G01N29/42G01N29/449
    • Method for nondestructive and contact-free detection of faults in a test specimen which is moved relative to a probe that detects a periodic electrical signal having a carrier oscillation whose amplitude and/or phase is/are modulated by any fault in the test specimen. The probe signal is filtered and sampled by a triggerable A/D converter stage to obtain a demodulated digital measurement signal which is filtered using a digital frequency-selective adjustable second filter unit to obtain a useful signal which is evaluated to detect a fault in the test specimen. The A/D converter stage is triggered at a fraction of the frequency of the carrier oscillation selected as a function of the fault frequency obtained as the quotient of the relative speed between the test specimen and the probe and the effective width of the probe, and the frequency-selective second filter unit is adjusted as a function of the fault frequency.
    • 用于无损和无接触地检测测试样本中的故障的方法,所述测试样本相对于探测器移动,所述探测器检测到具有载波振荡的周期性电信号,所述载波振荡的幅度和/或相位由所述测试样本中的任何故障调制。 探针信号由可触发的A / D转换器级进行滤波和采样,以获得解调的数字测量信号,其使用数字频率选择性可调第二滤波器单元进行滤波,以获得用于检测测试中的故障的有用信号 标本。 所选择的载波振荡频率的一小部分被触发,作为以测试样本和探针之间的相对速度与探头的有效宽度的商值获得的故障频率的函数,以及探针的有效宽度 频率选择性第二滤波器单元作为故障频率的函数被调整。
    • 57. 发明授权
    • Position measuring system with a scanning unit having a reference pulse signal detection unit
    • 具有扫描单元的位置测量系统具有参考脉冲信号检测单元
    • US07348546B2
    • 2008-03-25
    • US11350460
    • 2006-02-09
    • Jürgen SchoserMichael HermannWolfgang Holzapfel
    • Jürgen SchoserMichael HermannWolfgang Holzapfel
    • G01D5/34
    • G01D5/34746G01D5/2457
    • A position measuring system having a scale that includes an incremental graduation track, which extends in a measuring direction, the incremental graduation track having a periodic arrangement of graduation areas with different optical properties and a reference marking in a reference position, which has an aperiodic arrangement of graduation areas. A scanning unit including a light source and an opto-electronic detector arrangement having a reference pulse signal detection unit for generating a reference pulse signal. A periodic strip pattern results in a detection plane, which is amplitude-modulated in an area of the reference position, wherein the reference pulse signal detection unit includes several reference pulse signal detection elements, which create the reference pulse signal so that a periodic signal portion, as well as low-frequency signal portions are filtered out of the incremental graduation track to a large degree.
    • 一种位置测量系统,其具有包括在测量方向上延伸的增量刻度轨迹的刻度,所述渐变刻度轨迹具有具有不同光学特性的分度区域的周期性布置以及参考位置中的参考标记,所述参考点具有非周期性布置 的毕业地区。 一种扫描单元,包括光源和具有用于产生参考脉冲信号的参考脉冲信号检测单元的光电检测器装置。 周期性带状图形导致在参考位置的区域中进行幅度调制的检测平面,其中参考脉冲信号检测单元包括若干参考脉冲信号检测元件,其产生参考脉冲信号,使得周期信号部分 ,以及低频信号部分在很大程度上从增量刻度轨迹滤出。
    • 58. 发明授权
    • Interferential position measuring arrangement
    • 干涉位置测量装置
    • US07154609B2
    • 2006-12-26
    • US10635422
    • 2003-08-06
    • Wolfgang HolzapfelMichael HermannWalter HuberVölker HoferUlrich BennerKarsten Sändig
    • Wolfgang HolzapfelMichael HermannWalter HuberVölker HoferUlrich BennerKarsten Sändig
    • G01B9/02
    • G01D5/38
    • An interferential position measuring arrangement including a light source, which emits a beam of rays and an optical element, which converts the beam of rays emitted by the light source into an incoming beam of rays. A scale grating which splits the incoming beam of rays into a first partial beam of rays and a second partial beam of rays. A first scanning grating that causes splitting of the first partial beam of rays and a second scanning grating that causes splitting of the second partial beam of rays, wherein a periodically modulated interferential fringe pattern with definite spatial interferential fringe pattern period results in a detection plane. A detection arrangement which causes splitting of light entering through the detection arrangement into at least three different spatial directions and optoelectronic detector elements arranged in the at least three spatial directions for detecting phase-shifted scanning signal.
    • 一种包括发射光束的光源和光学元件的干涉位置测量装置,其将由光源发射的光线转换成输入的光束。 将光束入射到第一部分射线束和第二部分射线束的刻度光栅。 使第一部分光束分裂的第一扫描光栅和引起第二部分光束分裂的第二扫描光栅,其中具有确定的空间干涉条纹图案周期的周期性调制的干涉条纹图案导致检测平面。 一种检测装置,其使通过检测装置进入的光分裂成至少三个不同的空间方向,并且在至少三个空间方向上布置的光电检测器元件用于检测相移的扫描信号。
    • 60. 发明授权
    • Process and device for ascertaining whether two successive shafts are in alignment
    • 确定两个相继的轴是否对准的过程和装置
    • US06476914B1
    • 2002-11-05
    • US09315157
    • 1999-05-20
    • Roland HoelzlHeinrich LysenMichael Hermann
    • Roland HoelzlHeinrich LysenMichael Hermann
    • G01B1100
    • G01B11/26
    • The effectiveness of a method for checking for exact alignment of two successive shafts, axles or the like is improved by the fact the no measures with respect to linearization or temperature compensation are necessary any longer by using a light-sensitive array as the light-sensitive sensor. The effects of outside light and reflections can be suppressed. The cross section and the quality of a detected laser beam can be checked especially by visual inspection. Production of the corresponding device for executing this process is facilitated. By using matched beam splitters and reflectors as well as light sources of different colors the number of optoelectronic sensors necessary can be significantly reduced.
    • 通过使用光敏阵列作为光敏元件,不再需要对于线性化或温度补偿的任何措施都不必要的事实来改善用于检查两个相继的轴,轴等的精确对准的方法的有效性 传感器。 可以抑制外部光和反射的影响。 可以通过目视检查来检查检测到的激光束的横截面和质量。 促进执行该处理的相应设备的生产。 通过使用匹配的分束器和反射器以及不同颜色的光源,可以显着地减少所需的光电传感器的数量。