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    • 1. 发明申请
    • SURFACE ACOUSTIC WAVE FILTER DEVICE, DUPLEXER INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE SAME
    • 表面声波滤波装置,包括它们的双面器,以及包括它们的电子装置
    • US20110063046A1
    • 2011-03-17
    • US12878104
    • 2010-09-09
    • Joji FUJIWARATetsuya TSURUNARIHiroyuki NAKAMURARei GOTO
    • Joji FUJIWARATetsuya TSURUNARIHiroyuki NAKAMURARei GOTO
    • H03H9/72H03H9/64
    • H03H9/008H03H9/0071H03H9/725
    • A surface acoustic wave (SAW) filter device includes an input port for receiving an unbalanced signal, a pair of input/output ports, a first SAW filter for receiving the unbalanced signal from the input port and outputting balanced signals to the pair of input/output ports, a second SAW filter for receiving the balanced signals output from the pair of input/output ports and outputting balanced signals, and a pair of output ports for outputting the balanced signals output from the second SAW filter. The first SAW filter includes a first longitudinally-coupled SAW resonator having a first unbalanced signal input port and first and second balanced signal output ports, and a second longitudinally-coupled SAW resonator having a second unbalanced signal input port and third and fourth balanced signal output port. The first and second unbalanced signal input ports are electrically connected to the input port. The first and third balanced signal output ports both are electrically connected to one of the pair of input/output ports. The second and fourth balanced signal output ports both are electrically connected to another of the pair of input/output ports. This SAW filter device can suppress spurious and has a small insertion loss.
    • 表面声波(SAW)滤波器装置包括用于接收不平衡信号的输入端口,一对输入/输出端口,用于从输入端口接收不平衡信号的第一SAW滤波器,并将平衡信号输出到输入/ 输出端口,第二SAW滤波器,用于接收从一对输入/输出端口输出的平衡信号并输出​​平衡信号;以及一对输出端口,用于输出从第二SAW滤波器输出的平衡信号。 第一SAW滤波器包括具有第一不平衡信号输入端口和第一和第二平衡信号输出端口的第一纵向耦合SAW谐振器,以及具有第二不平衡信号输入端口和第三和第四平衡信号输出端的第二纵向耦合SAW谐振器 港口。 第一和第二不平衡信号输入端口电连接到输入端口。 第一和第三平衡信号输出端口都电连接到一对输入/输出端口中。 第二和第四平衡信号输出端口都电连接到该对输入/输出端口中的另一个。 该SAW滤波器装置可以抑制杂散并具有小的插入损耗。
    • 2. 发明申请
    • LADDER-TYPE FILTER
    • 梯子型过滤器
    • US20110215884A1
    • 2011-09-08
    • US13037663
    • 2011-03-01
    • Joji FUJIWARATetsuya TSURUNARIHiroyuki NAKAMURA
    • Joji FUJIWARATetsuya TSURUNARIHiroyuki NAKAMURA
    • H03H9/64
    • H03H9/64
    • A ladder-type filter having plural elastic-wave resonators provided on a series arm and a parallel arm in a ladder shape on a piezoelectric substrate. Each of the elastic-wave resonators has an interdigital electrode. The interdigital electrode has plural electrode finger pairs formed of electrode fingers extending from first and second bus bars. The interdigital electrode included in the elastic-wave resonator provided on the parallel arm has an electrode cross width of the electrode fingers extending from the first and second bus bars 23 times or more of the wavelength of elastic waves excited by the interdigital electrodes.
    • 具有设置在压电基板上的串联臂和梯形平行臂上的多个弹性波谐振器的梯形滤波器。 每个弹性波谐振器都具有叉指电极。 叉指电极具有由从第一和第二汇流条延伸的电极指形成的多个电极指对。 设置在平行臂上的弹性波形谐振器中包括的叉指电极具有从第一和第二母线延伸的电极指的电极交叉宽度,其是由叉指电极激发的弹性波的波长的23倍或更多倍。
    • 3. 发明申请
    • DUPLEXER
    • 双机
    • US20120326801A1
    • 2012-12-27
    • US13551853
    • 2012-07-18
    • Tetsuya TSURUNARIHiroyuki NAKAMURAJoji FUJIWARA
    • Tetsuya TSURUNARIHiroyuki NAKAMURAJoji FUJIWARA
    • H03H9/72
    • H03H9/0576H03H9/725
    • A duplexer includes an acoustic wave element having a first terminal and a second terminal; a substrate; a first columnar conductor electrically connected to the first terminal, and drawn to a back surface of the substrate while partially in the substrate; a second columnar conductor electrically connected to the second terminal, and drawn to the back surface of the substrate while partially in the substrate. Additionally, a first ground pattern region is between the first columnar conductor drawn part and the second columnar conductor drawn part on the back surface of the substrate; a second ground pattern region is electrically connected to the first ground pattern region and arranged in the part not including the part between the first columnar conductor drawn part and the second columnar conductor drawn part; and a third columnar conductor electrically is connected to the first ground pattern region while partially in the substrate.
    • 双工器包括具有第一端子和第二端子的声波元件; 底物; 电连接到第一端子的第一柱状导体,并且一部分地在衬底中被吸引到衬底的背面; 电连接到第二端子的第二柱状导体,并且一部分地在衬底中被吸引到衬底的背面。 此外,第一接地图案​​区域位于基板的背面的第一柱状导体拉伸部和第二柱状导体拉伸部之间。 第二接地图案区域电连接到第一接地图案​​区域并且布置在不包括第一柱状导体拉出部分和第二柱状导体拉出部分之间的部分中; 并且第三柱状导体电连接到第一接地图案​​区域,同时部分地在基板中。
    • 7. 发明申请
    • FLUID DISCHARGING APPARATUS
    • 流体排放装置
    • US20090189965A1
    • 2009-07-30
    • US12360965
    • 2009-01-28
    • Kaoru KOIKEHiroyuki NAKAMURA
    • Kaoru KOIKEHiroyuki NAKAMURA
    • B41J2/01
    • B41J11/002B41J2/1714
    • A fluid discharging apparatus includes: nozzles configured to discharge fluid to a medium; a rotating member having a holding area configured to hold the medium and a non-holding area formed with an opening on a peripheral surface thereof and configured to rotate with the peripheral surface opposed to the nozzles; and a collecting mechanism configured to collect the fluid which does not adhere to the medium, the collecting mechanism including a suction unit configured to suck the fluid through the opening into the rotating member and a storage unit configured to store the fluid sucked into the rotating member.
    • 流体排放装置包括:喷嘴,被配置为将流体排放到介质上; 旋转构件,其具有被构造成保持介质的保持区域和在其周面上形成有开口的非保持区域,并且构造成与与喷嘴相对的周面旋转; 以及收集机构,其构造成收集不附着在所述介质上的流体,所述收集机构包括:吸引单元,其构造成将所述流体通过所述开口吸入所述旋转构件;以及存储单元,其构造成存储被吸入所述旋转构件 。