发明名称 Extended input device for portable wireless communication apparatus
摘要 An extended input device for a portable wireless communication apparatus includes a first input keypad, a second input keypad, a pivot portion connecting the first input keypad and the second input keypad, and pivotally switching the first input keypad and the second input keypad between a normal and an operating statuses, and a signal transmission portion connected to the first input keypad and the second input keypad for transmitting a signal between the extended input device and the portable wireless communication apparatus. Therefore, the extended input device can provide an enough area for typing and a small size for being easily packed up to be carried on.
申请公布号 US6748248(B1) 申请公布日期 2004.06.08
申请号 US20000692792 申请日期 2000.10.20
申请人 SILITEK CORPORATION 发明人 PAN JUNG-CHUAN;TERNG JAY
分类号 G06F1/16;G06F3/023;H04M1/23;(IPC1-7):H04M1/00 主分类号 G06F1/16
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