会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 93. 发明公开
    • 체적 탄성파 공진기를 이용한 위상 천이 장치
    • 使用大容量声波谐振器的相位切换器
    • KR1020110026079A
    • 2011-03-15
    • KR1020090083818
    • 2009-09-07
    • 삼성전자주식회사
    • 신제식안달김덕환송인상김철수박윤권김형락
    • H03H9/66H03H9/17H03H9/15
    • H03H9/36H03H9/542H03H9/605H03H9/66
    • PURPOSE: A phase shifting device using a bulk acoustic wave resonator is provided to use a phase change feature for the frequency of the bulk acoustic wave resonator, thereby reducing the loss and size of a bulk acoustic wave. CONSTITUTION: A phase shifting device is composed of the first bulk acoustic wave resonator(110), the second bulk acoustic wave resonator(120), the first port(101), the second port(102), and the first capacitor(130). The first terminal(111) of the first bulk acoustic wave resonator, the first port, and the first terminal(131) of the first capacitor are connected each other. The first terminal(121) of the second bulk acoustic wave resonator, the second port, and the second terminal(132) of the first capacitor are connected each other. The second terminal(112) of the first bulk acoustic wave resonator and the second terminal(122) of the second bulk acoustic wave resonator are grounded.
    • 目的:提供使用体声波谐振器的相移装置,以使用用于体声波谐振器的频率的相变特征,从而减小体声波的损耗和尺寸。 构成:移相装置由第一体声波谐振器(110),第二体声波谐振器(120),第一端口(101),第二端口(102)和第一电容器(130)构成, 。 第一体积波谐振器的第一端子(111),第一电容器的第一端口和第一端子(131)彼此连接。 第一电容器的第二体声波谐振器的第一端子(121)和第二端子(132)彼此连接。 第一体声波谐振器的第二端子(112)和第二体声波谐振器的第二端子(122)接地。
    • 94. 发明公开
    • 필터 회로
    • 具有减少非线性信号失真的大容量声波滤波器
    • KR1020090039753A
    • 2009-04-22
    • KR1020097002602
    • 2007-06-15
    • 콘트리아 산 리미티드 라이어빌리티 컴퍼니
    • 바버,브래들리겐차파,사하나레이스너,루스
    • H03H9/52H03H9/54H03H9/64
    • H03H9/605H03H9/02086
    • A filter circuit (200) includes at least one series resonator (204,206,208,210) having a first terminal and a second terminal, where the first and second terminals of the at least one series resonator are coupled to an input (202) and an output (232) of the filter circuit, respectively. The filter circuit further includes at least one shunt resonator (212,214,216,218,220) having a first terminal and a second terminal, where the first terminal of the at least one shunt resonator is coupled to the input of the filter circuit and the second terminal of the at least one shunt resonator is coupled to ground. A polarity of the first terminal of the at least one series resonator and a polarity of the first terminal of t at least one shunt resonator are selected so as to reduce harmonic signal generation and other types o distortion in the filter circuit.
    • 滤波器电路(200)包括具有第一端子和第二端子的至少一个串联谐振器(204,206,208,210),其中至少一个串联谐振器的第一和第二端子耦合到输入端(202)和输出端(232) )。 滤波器电路还包括具有第一端子和第二端子的至少一个并联谐振器(212,214,216,218,220),其中所述至少一个并联谐振器的第一端子耦合到所述滤波器电路的输入端并且所述至少一个并联谐振器的第二端子 一个并联谐振器耦合到地。 选择至少一个串联谐振器的第一端子的极性和至少一个并联谐振器的第一端子的极性,以便减少滤波器电路中的谐波信号产生和其它类型的失真。
    • 96. 发明公开
    • 박막 압전 공진기 및 필터 회로
    • 薄膜压电谐振器和滤波电路
    • KR1020070088736A
    • 2007-08-29
    • KR1020077014429
    • 2006-03-08
    • 가부시끼가이샤 도시바
    • 오하라,료이찌야나세,나오꼬사노,겐야야스모또,다까아끼이따야,가즈히꼬
    • H03H9/17
    • H03H9/174H03H9/02125H03H9/132H03H9/588H03H9/605
    • a lower electrode (11) provided on the principal surface of the substrate (10) so as to cover the cavity (14); a piezoelectric film (12) provided on the lower electrode (11) so as to be located above the cavity (14); and an upper electrode (13). The upper electrode (13) has a main portion (13a) which overlaps a part of the cavity (14), a protruding portion (13b) connected on one side to the main portion (13), a connecting portion (13c) provided at the opposite side of the main portion (13), and an extension portion (13d) connected to the connecting portion (13c). The length of the protruding portion (13b) is substantially the same as the length of the connecting portion (13c), so that the overlap area of the upper (13) and lower (11) electrodes outside the cavity region is constant with respect to a shift of the cavity (14) location. As a result, the total sum of the parasitic capacitances in the upper (13) and lower (11) electrodes facing each other outside the cavity (14) does not vary with a shift of the cavity (14) location.
    • 设置在基板(10)的主表面上以覆盖空腔(14)的下电极(11); 设置在所述下电极(11)上以便位于所述空腔(14)上方的压电薄膜(12)。 和上电极(13)。 上电极(13)具有与空腔(14)的一部分重叠的主体部(13a),与主体部(13)一体连接的突出部(13b),连接部 主要部分(13)的相对侧,以及连接到连接部分(13c)的延伸部分(13d)。 突出部分(13b)的长度与连接部分(13c)的长度基本相同,使得在空腔区域之外的上部(13)和下部(11)电极的重叠面积相对于 空腔(14)位置的移动。 结果,在空腔(14)外部彼此面对的上部(13)和下部(11)电极中的寄生电容的总和不随空腔(14)位置的移动而变化。
    • 100. 发明公开
    • 공통접지 인덕터를 구비한 래더형 벌크탄성파 필터
    • 带通用接地电感的梯形超声波滤波器
    • KR1020050035904A
    • 2005-04-20
    • KR1020030069496
    • 2003-10-07
    • 삼성전기주식회사
    • 설상철신제식
    • H03H9/56
    • H03H9/605
    • 본 발명은 통과대역내의 삽입손실의 열화없이 통과대역에 인접한 고주파 쪽의 저지대역에서의 고감쇄를 구현하여 송신단용 필터로 유용한 공통접지 인덕터를 구비한 래더형 벌크탄성파 필터에 관한 것으로서, 임의 주파수신호가 포함된 전기신호가 입력되는 입력단자와, 소정의 설정된 통과대역의 주파수를 갖는 전기신호가 출력되는 출력단자와, 그라운드로 연결되는 접지단자와, 상기 입력단자와 출력단자 사이에 직렬로 연결되는 다수의 시리즈 공진기와, 각각 상기 다수 시리즈 공진기들의 임의 접점에 일단이 연결되며 타단은 상호 연결된 다수의 션트 공진기와, 상기 다수 션트 공진기의 공통단자와 상기 접지단자를 연결하는 인덕터로 이루어져, 다수의 션트 공진기를 인덕터를 통해 공통 접지하여, 상기의 다수의 션트 공진기와 공통 접지 인� �터간의 상호작용으로 영점을 발생시키고 그 결과로 고주파측 저지대역에서의 감쇄 특성을 향상시킨 것이다.