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    • 1. 发明专利
    • Ball detecting method and ball detecting device
    • 球检测方法和球检测装置
    • JP2006019417A
    • 2006-01-19
    • JP2004194324
    • 2004-06-30
    • Athlete Fa KkUnkai SatoアスリートFa株式会社運海 佐藤
    • SATO UNKAIFUJIMORI YOSHIHARUKAWAKAMI SHIGEAKINAITO KENJI
    • H01L23/12H01L21/60H05K3/00
    • H01L24/75H01L24/81H01L2224/14H01L2924/14H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a ball detecting method and a ball mounting head which are surely capable of detecting excessive balls adhered to the ball line-up surface of the ball mounting head in a ball mounting device. SOLUTION: The ball mounting head is constituted of a ball line-up unit 4, a light shielding unit and a light shielding type light sensor consisting of a light emitting unit 1 and a light receiving unit 2. The light shielding unit is constituted of a light shielding plate 12 for shielding light against normal balls 6 arrayed on the ball line-up surface 5, and a driving device 9 for driving the light shielding plate up-and-down. The back noise of output of the light sensor can be remarkably reduced by the light shielding plate. The ball detecting method is carried out by sampling the output of light receiving unit by a predetermined number of times and the average value of the results of samplings is operated as the back noise and a difference between the output from the light receiving unit obtained through the sampling and the back noise is operated. The value of difference is compared with a threshold value to judge the existence or absence of the balls. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种球检测方法和球安装头,其可以在球安装装置中能够检测粘附到球安装头的球排列表面的过量球。

      解决方案:球安装头由球形阵列单元4,遮光单元和由发光单元1和光接收单元2组成的遮光型光传感器构成。遮光单元 由遮光板12构成,该遮光板12用于遮蔽与排列在球形阵列表面5上的普通球6的光,以及用于上下驱动遮光板的驱动装置9。 通过遮光板可以显着降低光传感器的输出的背噪音。 球检测方法是通过对光接收单元的输出进行采样预定次数进行的,并且采样结果的平均值作为背噪声操作,并且通过所述光接收单元得到的光接收单元的输出之间的差 采样和背噪声操作。 将差值与阈值进行比较,以判断球的存在或不存在。 版权所有(C)2006,JPO&NCIPI