发明名称 ALPHANUMERICAL DATA INPUT DEVICE USING MULTIPLE INPUT KEYS
摘要 <p>A multiple input key for inputting characters and the key has a body with a top and bottom surface, with the bottom surface being proximal to a printed circuit board and the top surface being distal from the printed circuit board. The key is pivotable about a pivot. A pivot extends from the bottom surface of the body and has an electrical contact pad such that when the contact pad contacts one of the leads on the printed circuit board a circuit is closed. A skirt surrounds the periphery of the body of the key and the skirt operatively supports the body of the key on the printed circuit board.</p>
申请公布号 WO1999044212(A1) 申请公布日期 1999.09.02
申请号 US1999004162 申请日期 1999.02.25
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