发明名称 ANTENNA SWITCHING DEVICE, MOBILE STATION MANAGEMENT SYSTEM, ANTENNA SWITCHING METHOD AND CONTROL PROGRAM
摘要 PROBLEM TO BE SOLVED: To provide an antenna switching device which can switch an antenna to appropriate another antenna before the receiving state of the antenna deteriorates in a receiver with a plurality of antennas and performing diversity reception. SOLUTION: The antenna switching device 40 of the receiver 4 mounted on a mobile object 4a and provided with the plurality of antennas 40a and 40b to perform diversity reception is provided with: a current location detecting part 41 for detecting the current location of the mobile object; and antenna switching part 45 for switching an antenna serving for reception to an antenna selected on the basis of antenna switching information when the current location of the mobile object is determined to be within an antenna switching area on the basis of the antenna switching information in which the antenna switching area is made to correspond to a selectable antenna. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007214901(A) 申请公布日期 2007.08.23
申请号 JP20060032629 申请日期 2006.02.09
申请人 CLARION CO LTD 发明人 KATO KOICHI
分类号 H04B7/26;H04B7/08;H04W4/04;H04W88/02 主分类号 H04B7/26
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