发明名称 Filter for photoelectric touch panel including light scattering or absorbing protrusions
摘要 A filter for a photoelectric touch panel disposed in front of arrays, formed on a framework on the circumference of a screen, of aligned light emitting elements and photosensitive elements characterized in that the same is provided with protrusions around the center of its portions in front of these arrays.
申请公布号 US4737634(A) 申请公布日期 1988.04.12
申请号 US19860853616 申请日期 1986.04.18
申请人 ALPS ELECTRIC CO., LTD. 发明人 SASAKI, HIROAKI;HASEGAWA, KAZUO;JUNICHI, OUCHI
分类号 G06F3/042;G01V8/20;G06F3/033;(IPC1-7):G01V9/04 主分类号 G06F3/042
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