发明名称 ANTENNA AND RECEIVING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a small size antenna with proper receiving sensitivity in a FM band, and to provide a receiving device equipped with the antenna and made in miniaturization. <P>SOLUTION: An antenna 100 is configured by a core 101 made of ferrite and an antenna copper plate 102 arranged in a form winding the outer periphery of the core 101 about one round. The length L1 of the core 101 equals to the length L2 of the antenna copper plate 102, and the width W1 of the core 101 equals to the width W2 of the antenna copper plate 102. As for the height H1 of the core 101 and the height H2 of the antenna copper plate 102, one is establishes higher (or lower) than the other, according to required receiving characteristics. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005039608(A) 申请公布日期 2005.02.10
申请号 JP20030275447 申请日期 2003.07.16
申请人 CITIZEN WATCH CO LTD 发明人 SATO NOBUHIRO;KATO YUICHI
分类号 G04C9/04;G04G21/04;H01Q;H01Q1/24;H01Q1/27;H01Q7/06;H01Q7/08;H04B1/16;H04B1/18;H04B1/28;H04B1/38;H04B1/40 主分类号 G04C9/04
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