发明名称 Radio selective call receiver and a method of transferring the reception service area of a radio selective call receiver
摘要 A radio selective call receiver and a method of transferring reception areas only when the received frequency/area information of the transfer destination is correct and to conserve battery power. Transfer destination service area information is extracted from a radio signal of a first frequency that is being received, a second frequency corresponding to the area information is determined and the area information and the second frequency are added to an information listing means. If the radio signal including a synchronizing signal and the area information is detected at the second frequency within a time limit, the second frequency is set as the first frequency, and if the radio signal cannot be detected at the second frequency within the time limit, the second frequency and the transfer destination service area information corresponding to this second frequency that were added to the information listing means are deleted.
申请公布号 US6462645(B1) 申请公布日期 2002.10.08
申请号 US19990448614 申请日期 1999.11.23
申请人 NEC CORPORATION 发明人 AOSHIMA TAKASHI
分类号 H04W4/02;H04W12/10;H04W52/02;H04W56/00;H04W64/00;H04W68/00;(IPC1-7):G08B5/22;H04Q1/30 主分类号 H04W4/02
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