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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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