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    • 6. 发明公开
    • 공진기, 필터, 듀플렉서 및 통신 장치
    • 谐振器,滤波器,双工器和通信单元
    • KR1020020001607A
    • 2002-01-09
    • KR1020010036552
    • 2001-06-26
    • 가부시키가이샤 무라타 세이사쿠쇼
    • 히다카세이지오타미치아키후지이야스오아베신
    • H01P7/08
    • H01P1/20381H01P1/2135H01P7/082
    • PURPOSE: To obtain a resonator, a filter and a duplexer that can very effectively suppress a power loss by an edge effect and can entirely be more downsized and to obtain a communication unit provided with these. CONSTITUTION: A ground electrode 3 is formed on the lower face of a dielectric board 1, a line pattern 21 of a multiple spiral shape is formed on the upper face, and a radial line pattern 22 is formed on the line pattern 21 via an insulation layer 5. The radial line pattern 22 approaching the line pattern 21 of the multiple spiral shape of the multiple spiral resonator acts like adding a static capacitance to the multiple spiral resonator to reduce the occupied area of the resonator on the board and to enhance the loss reduction effect.
    • 目的:获得能够通过边缘效应非常有效地抑制功率损耗的谐振器,滤波器和双工器,并且可以完全更小型化并获得具有这些功能的通信单元。 构成:在电介质基板1的下表面形成有接地电极3,在上表面形成有多个螺旋状的线图形21,经由绝缘体在线图案21上形成径向线图案22 接近多螺旋谐振器的多重螺旋形状的线图案21的径向线图案22的作用就像向多螺旋谐振器增加静态电容以减小板上共振器的占用面积并增加损耗 还原效果。