发明名称 Portable radio having retractable keys, wherein the keys retract within the housing upon movement of a retraction accuator
摘要 A portable radio communication apparatus having a key protruding mechanism is disclosed. A key operation board has a plurality of keys mounted thereon, and the key operation board is moved such that the keys protrude from the housing when the apparatus is used and retract within the housing when the apparatus is not used.
申请公布号 US6314274(B1) 申请公布日期 2001.11.06
申请号 US19980164904 申请日期 1998.10.01
申请人 NEC CORPORATION 发明人 KUMAGAI KEIICHIRO
分类号 H04M1/02;H04M1/23;(IPC1-7):H04B1/38 主分类号 H04M1/02
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