发明名称 Modular Keypad with Wireless Arrangement for a Mobile Device
摘要 Described is a mobile device comprising a base unit and a keypad detachably coupled to the base unit. The keypad includes an input arrangement and a first wireless arrangement operating in accordance with a first wireless protocol.
申请公布号 US2008293367(A1) 申请公布日期 2008.11.27
申请号 US20070751760 申请日期 2007.05.22
申请人 WULFF THOMAS;DEGIOVINE CARL 发明人 WULFF THOMAS;DEGIOVINE CARL
分类号 H04B1/38;H03K17/94;H03M11/00 主分类号 H04B1/38
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