发明名称 Wireless communication device with selective power supply function
摘要 The present invention provides a wire-less communication device (100) including : a main circuit capable of at least one operation of writing, reading and erasing data, and browsing and displaying informations as well hearing voice informations; a radio unit (2) having at least a first function block of transmitting a radio wave; and a power supply selector (8) electrically coupled to the radio unit (2) and the main circuit separately, wherein, in a first operational mode, the power supply selector (8) supplies a power to both the radio unit (2) and the main circuit, so as to place the radio unit (2) and the main circuit in operable-state, and wherein, in a second operational mode, the power supply selector (8) inhibits a power supply to at least the first function block of the radio unit (2), so as to place at least the first function block of the radio unit (2) in inoperable-state and place the main circuit in operable-state. <IMAGE>
申请公布号 EP1204261(B1) 申请公布日期 2004.12.29
申请号 EP20010124127 申请日期 2001.10.10
申请人 NEC CORPORATION 发明人 TAMUKAI, KIYOSHI
分类号 H04M1/00;H04B1/16;H04B7/26;H04M1/73;H04W52/02;(IPC1-7):H04M1/725 主分类号 H04M1/00
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