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
    • 2. 发明申请
    • ELASTIC WAVE APPARATUS AND DUPLEXER
    • 弹性波形装置和双工器
    • US20120068788A1
    • 2012-03-22
    • US13306018
    • 2011-11-29
    • Ayaka YAMAMOTOYuichi TAKAMINE
    • Ayaka YAMAMOTOYuichi TAKAMINE
    • H03H9/02H03H7/42
    • H03H9/0061H03H9/0057H03H9/725
    • An elastic wave apparatus includes a balanced-unbalanced transforming function, and an elastic wave filter and a multilayer wiring board on which the elastic wave filter is mounted. The elastic wave filter includes an unbalanced terminal and first and second balanced terminals. External electrodes used are provided on the multilayer wiring board. A first internal line connects the first balanced terminal and the external electrode. A second internal line connects the second balanced terminal and the external electrode. The lengths or shapes of the first internal line and the second internal line are set so that a capacitance used for the improvement of a balance is generated in an adjacent area A where the first internal line and the second internal line are adjacent to each other. In the adjacent area A, the directions of currents passing through the first internal line and the second internal line are the same.
    • 弹性波装置包括平衡不平衡变换功能,弹性波滤波器和安装弹性波滤波器的多层布线板。 弹性波滤波器包括不平衡端子和第一和第二平衡端子。 使用的外部电极设置在多层布线板上。 第一内部线路连接第一平衡端子和外部电极。 第二内部线路连接第二平衡端子和外部电极。 第一内部线路和第二内部线路的长度或形状被设定为在第一内部线路和第二内部线路彼此相邻的相邻区域A中产生用于改善平衡的电容。 在相邻区域A中,通过第一内部线路和第二内部线路的电流的方向相同。
    • 4. 发明申请
    • DUPLEXER
    • 双机
    • US20090002097A1
    • 2009-01-01
    • US12210238
    • 2008-09-15
    • Yuichi TAKAMINE
    • Yuichi TAKAMINE
    • H03H9/72
    • H03H9/14591H03H9/0057H03H9/0071H03H9/0085H03H9/14588H03H9/725
    • A duplexer includes a transmission filter having a ladder circuit configuration and a reception filter. The reception filter includes an input terminal connected to an antenna terminal, a first reception output terminal, and a second reception output terminal. A first filter element and a second filter element, each of which is a longitudinally coupled resonator filter element including a plurality of IDTs, are connected in parallel to the input terminal so that IDTs are connected to the input terminal. The first filter element the second filter element are connected to the first reception output terminal and the second reception output terminal, respectively.
    • 双工器包括具有梯形电路配置和接收滤波器的发送滤波器。 接收滤波器包括连接到天线端子的输入端子,第一接收输出端子和第二接收输出端子。 第一滤波器元件和第二滤波器元件,每个滤波器元件是包括多个IDT的纵向耦合谐振器滤波器元件,并联连接到输入端子,使得IDT连接到输入端子。 第一滤波元件分别与第一接收输出端子和第二接收输出端子连接。
    • 6. 发明申请
    • DUPLEXER
    • 双机
    • US20100194495A1
    • 2010-08-05
    • US12758823
    • 2010-04-13
    • Yuichi TAKAMINE
    • Yuichi TAKAMINE
    • H03H9/72H03H9/70
    • H03H9/14591H03H9/0057H03H9/0071H03H9/0085H03H9/14588H03H9/725
    • A duplexer includes a transmission filter having a ladder circuit configuration and a reception filter. The reception filter includes an input terminal connected to an antenna terminal, a first reception output terminal, and a second reception output terminal. A first filter element and a second filter element, each of which is a longitudinally coupled resonator filter element including a plurality of IDTs, are connected in parallel to the input terminal so that IDTs are connected to the input terminal. The first filter element the second filter element are connected to the first reception output terminal and the second reception output terminal, respectively.
    • 双工器包括具有梯形电路配置和接收滤波器的发送滤波器。 接收滤波器包括连接到天线端子的输入端子,第一接收输出端子和第二接收输出端子。 第一滤波器元件和第二滤波器元件,每个滤波器元件是包括多个IDT的纵向耦合谐振器滤波器元件,并联连接到输入端子,使得IDT连接到输入端子。 第一滤波元件分别与第一接收输出端子和第二接收输出端子连接。
    • 7. 发明申请
    • ACOUSTIC WAVE FILTER DEVICE AND DUPLEXER
    • 声波滤波器和双工器
    • US20090091404A1
    • 2009-04-09
    • US12336563
    • 2008-12-17
    • Yuichi TAKAMINE
    • Yuichi TAKAMINE
    • H03H9/02
    • H03H9/008H03H9/0071H03H9/0085H03H9/02748H03H9/725
    • An acoustic wave filter device includes first to fourth longitudinally coupled resonator type surface acoustic wave filters that are configured such that the first and second longitudinally coupled resonator type surface acoustic wave filters are connected to a first balanced signal terminal, the third and fourth longitudinally coupled resonator type surface acoustic wave filters are connected to a first balanced signal terminal, and a transmission phase of a signal output from the first balanced signal terminal relative to an input signal differs by about 180 degrees with respect to a transmission phase of a signal output from the second balanced signal terminal relative to an input signal. In addition, the number of pairs of electrode fingers of at least one of IDTs of at least one of the first to fourth longitudinally coupled resonator type surface acoustic wave filters is different from the number of pairs of electrode fingers of corresponding IDTs of the remaining first to fourth longitudinally coupled resonator type surface acoustic wave filters.
    • 声波滤波器装置包括第一至第四纵向耦合的谐振器型声表面波滤波器,其被配置为使得第一和第二纵向耦合谐振器型表面声波滤波器连接到第一平衡信号端子,第三和第四纵向耦合谐振器 类型的声表面波滤波器连接到第一平衡信号端子,并且相对于从第一平衡信号端子输出的信号的传输相位相对于输入信号从第一平衡信号端子输出的信号的传输相位相差大约180度 第二平衡信号端子相对于输入信号。 此外,第一至第四纵向耦合的谐振器型表面声波滤波器中的至少一个的至少一个IDT的电极指的对数与剩余的第一至第四纵向耦合谐振器型表面声波滤波器的相应IDT的电极指的对数不同 到第四纵向耦合谐振器型表面声波滤波器。
    • 9. 发明申请
    • BALANCED SURFACE ACOUSTIC WAVE FILTER
    • 平衡表面声波滤波器
    • US20070171003A1
    • 2007-07-26
    • US11697507
    • 2007-04-06
    • Yuichi TAKAMINE
    • Yuichi TAKAMINE
    • H03H9/64
    • H03H9/0038H03H9/0057H03H9/14588
    • A surface acoustic wave filter includes first to fifth IDTs arranged on a piezoelectric substrate along a surface acoustic wave propagation direction. The second IDT and the fourth IDT have a phase difference of 180° with respect to each other. The second and fourth IDTs are connected to an unbalanced terminal. The third IDT includes a first sub-IDT portion and a second sub-IDT portion. The first IDT and the first sub-IDT portion are connected to a first balanced terminal, and the second sub-IDT portion and the fifth IDT are connected to a second balanced terminal. The following conditions: 1.55≦N3/N1≦2.58 and N1=N5 are satisfied, where N1 denotes the number of electrode fingers that determines the center frequency of the first IDT, N3 denotes the number of electrode fingers that determines the center frequency of the third IDT, and N5 denotes the number of electrode fingers that determines the center frequency of the fifth IDT.
    • 表面声波滤波器包括沿声表面波传播方向布置在压电基片上的第一至第五IDT。 第二IDT和第四IDT相对于彼此具有180°的相位差。 第二和第四IDT连接到不平衡终端。 第三IDT包括第一子IDT部分和第二子IDT部分。 第一IDT和第一子IDT部分连接到第一平衡端子,第二子IDT部分和第五IDT连接到第二平衡端子。 满足以下条件:满足1.55 <= N 3 / N 1 <= 2.58且N 1 = N 5,其中N 1表示确定第一IDT的中心频率的电极指数,N 3表示电极数 决定第三IDT的中心频率的手指,N 5表示确定第五IDT的中心频率的电极指的数量。
    • 10. 发明申请
    • ELASTIC WAVE FILTER DEVICE
    • 弹性波滤波器
    • US20110156842A1
    • 2011-06-30
    • US13045587
    • 2011-03-11
    • Yuichi TAKAMINE
    • Yuichi TAKAMINE
    • H03H9/64
    • H03H9/14582H03H9/0071H03H9/02535H03H9/14535H03H9/6433
    • An elastic wave filter device having improved sharpness of filter characteristics includes a longitudinally-coupled resonator-type elastic wave filter section including first to third IDT electrodes each including a plurality of electrode fingers, and first and second reflectors. The first to third IDT electrodes include narrower-pitch portions provided in end portions thereof, which are each adjacent to another IDT electrode in a direction of propagation of elastic waves, each of the narrower-pitch portions having a smaller period of electrode fingers than a period of electrode fingers in the remaining portion of the relevant IDT electrode. The number of electrode fingers in the narrower-pitch portion of the second IDT electrode, which is disposed on the side closer to the first IDT electrode, and the number of electrode fingers in the narrower-pitch portion of the second IDT electrode, which is disposed on the side closer to the third IDT electrode, differ from each other.
    • 具有提高的滤波器特性的清晰度的弹性波滤波器装置包括纵向耦合的谐振器型弹性波滤波器部分,其包括每个包括多个电极指的第一至第三IDT电极以及第一和第二反射器。 第一至第三IDT电极包括设置在其端部的窄节距部分,其在弹性波的传播方向上与另一IDT电极相邻,每个较窄的节距部分具有较小的电极指的周期 在相关IDT电极的剩余部分中的电极指的周期。 设置在靠近第一IDT电极的一侧的第二IDT电极的窄节距部分中的电极指的数量和第二IDT电极的窄节距部分中的电极指的数量 设置在更靠近第三IDT电极的一侧彼此不同。