发明名称 Keypad assembly
摘要 A keypad assembly having a light guide sheet having a first surface with a layer of graphics printed thereon, a second surface opposite the first surface, and an edge surface; and a flexible sheet having a central portion engaged with the light guide sheet second surface and having a peripheral portion positioned in light blocking relationship with the light guide sheet edge surface.
申请公布号 US8172413(B2) 申请公布日期 2012.05.08
申请号 US20100711583 申请日期 2010.02.24
申请人 CHUNG MUH FONG;KO CHOON GUAN;LEE SIAN TATT;NG FOOK CHUIN;AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD. 发明人 CHUNG MUH FONG;KO CHOON GUAN;LEE SIAN TATT;NG FOOK CHUIN
分类号 H04M1/22 主分类号 H04M1/22
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