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The portable telephone which is jointed with one of the multiple mobile radio telephone systems choice, the control manner, and
The portable telephone which is jointed with one of the multiple mobile radio telephone systems choice, the control manner, and
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机译:与多种移动无线电话系统选择,控制方式之一结合的便携式电话,以及
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摘要
PROBLEM TO BE SOLVED: To provide a cellular phone for alleviating a trouble in which call termination cannot be received from a currently operating system, when a connection is tried with a mobile telephone system having a priority higher than the currently operating system among a plurality of mobile telephone systems of which the priority is managed.;SOLUTION: A system information table 61 maintains a list of systems to which a cellular phone 1 can be connected, along with priorities. A currently operating system register 62 records a system connected at the last as a currently operating system. A scanning control portion 52 directs a system acquisition control portion 51 to acquire a higher system with a higher priority using a scanning pointer register 54 as a work memory, while the scanning control portion 52 awaits the currently operating system. On this occasion, whenever acquisition of a predetermined number of higher systems is failed continuously, an interrupt waiting control portion 53 returns connection to the currently operating system once to control for waiting.;COPYRIGHT: (C)2006,JPO&NCIPI
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