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    • 62. 发明专利
    • Heat seal position detecting device of plastic film
    • 热密封位置检测塑料薄膜装置
    • JP2008114474A
    • 2008-05-22
    • JP2006299895
    • 2006-11-06
    • Totani Corpトタニ技研工業株式会社
    • TOTANI MIKIO
    • B31B50/02G01B11/00
    • PROBLEM TO BE SOLVED: To recognize change in image clearly even if a surface has micro unevenness when detecting a heat seal position of a plastic film 1 by performing image recognition of reflected light or transmitted light of the plastic film 1 using an optical sensor 4 so as to read the surface with the micro unevenness of a heat seal part 2 by the change in image. SOLUTION: A shielding plate 3 and the plastic film 1 are irradiated with a light source 4. The shielding plate 3 has an edge 5 of a specified length. Therefore, a shadow boundary 7 is formed by the edge 5. In the shadow boundary 7, image recognition of the reflected light or the transmitted light of the plastic film 1 is performed by an optical sensor 8. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使通过使用光学器件执行塑料膜1的反射光或透射光的图像识别来检测塑料膜1的热封位置时表面具有微不均匀性,也能够清楚地识别图像的变化 传感器4,以便通过图像的变化来读取具有热封部分2的微不均匀性的表面。 解决方案:用光源4照射屏蔽板3和塑料膜1.屏蔽板3具有一定长度的边缘5。 因此,边缘5形成阴影边界7.在阴影边界7中,通过光学传感器8执行塑料膜1的反射光或透射光的图像识别。(C) 2008年,日本特许厅和INPIT