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    • 2. 发明授权
    • Optical measuring device
    • 光学测量装置
    • US07253910B2
    • 2007-08-07
    • US11168670
    • 2005-06-29
    • Yasuharu Takayama
    • Yasuharu Takayama
    • G01B11/02G01N21/86
    • G01B11/08G01B11/2433
    • An optical measuring device capable of improving the precision of detection of contamination on a protective glass is disclosed. With threshold values as large as 90%, 50%, 10% of a peak value of a scan signal, measured values Q90, Q50, Q10 of a dimension of a work to be measured are derived, respectively. It is determined whether a difference between the measured value Q90 and the measured value Q50 (or a variation of the measured value) is equal to or larger than a predetermined reference value. (B)-(D) show the presence of contamination on the protective glass, equal to or larger than the reference value. (A) shows the absence of contamination, lower than the reference value. It is then determined whether a difference between the measured value Q50 and the measured value Q10 is equal to or larger than a predetermined reference value. (D) shows the presence of thick contamination on the protective glass, equal to or larger than this reference value. Accordingly, a buzzer is driven and a red lamp is turned on to give the alarm to the operator to remove the contamination immediately.
    • 公开了能够提高保护玻璃上的污染检测精度的光学测量装置。 阈值为扫描信号的峰值的90%,50%,10%,测量值Q 90,Q 50,Q 10 分别导出要测量的作品的维度的。 确定测量值Q 90和测量值Q 50之间的差(或测量值的变化)是否等于或大于预定参考值 值。 (B) - (D)表示保护玻璃上存在污染物,等于或大于参考值。 (A)表示没有污染,低于参考值。 然后,确定测量值Q <50>和测量值Q 10之间的差是否等于或大于预定的参考值。 (D)表示在保护玻璃上存在等于或大于该参考值的较厚污染物。 因此,蜂鸣器被驱动并且红色灯被打开以向操作者报警以立即去除污染物。
    • 3. 发明授权
    • Optical measuring device
    • 光学测量装置
    • US4521113A
    • 1985-06-04
    • US382303
    • 1982-05-26
    • Yoshiharu KuwabaraYasuharu TakayamaHiroyoshi Hamada
    • Yoshiharu KuwabaraYasuharu TakayamaHiroyoshi Hamada
    • G02B26/10G01B11/00G01B11/02G01B11/04
    • G01B11/00G01B11/02
    • An optical measuring device wherein a workpiece being measured is interposed between a parallel scanning ray beam generating source and a light receiving element, and dimensions of the workpiece being measured is measured from the time length of a dark portion or a bright portion generated due to the obstruction of the parallel scanning ray beams by the workpiece being measured. The aforesaid parallel scanning ray beam generating source comprises: a beam generator; a rotary mirror for reflecting and converting the incident ray beams into rotary scanning ray beams; a ray beam transmitting mechanism for dividing the ray beams from the beam generator in terms of time or quantity and causing the ray beams thus divided to incide into the rotary mirror at a predetermined incident angles; and a collimator lens for converting the rotary scanning ray beams from the rotary mirror into parallel scanning ray beams.
    • 一种光学测量装置,其中待测量的工件插入在平行的扫描光束产生源和光接收元件之间,并且从由于所述光源产生源产生的暗部或亮部的时间长度来测量被测量的工件的尺寸 平行扫描射线束被工件阻挡被测量。 上述并行扫描光束发生源包括:光束发生器; 用于将入射的射线束反射并转换成旋转扫描光束的旋转镜; 光束传播机构,用于在时间或数量上分割来自光束发生器的射线束,并使得被分割成的射线束以预定的入射角进入旋转镜; 以及用于将来自旋转镜的旋转扫描光束转换成平行扫描光束的准直透镜。