发明名称 Portable terminal device
摘要 A portable terminal device capable of emitting a random ringtone, includes a call arrival processing device, in which a radio broadcast is set as one of the items of information indicating the type of ringtone in set data, and the frequency of radio broadcast signals set as a ringtone is detected out of the frequency information in the set data. If the power of the signals of this frequency is at or above a prescribed level, then signals of that frequency are fed to a loudspeaker to cause a radio broadcast to sound as a ringtone.
申请公布号 US2005197167(A1) 申请公布日期 2005.09.08
申请号 US20050065443 申请日期 2005.02.25
申请人 NEC CORPORATION 发明人 AOIKE TORU
分类号 H04M19/04;(IPC1-7):H04M1/00;H04B1/38 主分类号 H04M19/04
代理机构 代理人
主权项
地址