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
    • 42. 发明申请
    • マルチプレクサ、高周波フロントエンド回路及び通信装置
    • 多路复用器,高频前端电路和通信设备
    • WO2016208447A1
    • 2016-12-29
    • PCT/JP2016/067573
    • 2016-06-13
    • 株式会社村田製作所
    • 高峰 裕一
    • H03H9/72H03H9/145H03H9/25
    • H03H9/02086H01L41/1873H03H9/02574H03H9/0576H03H9/059H03H9/13H03H9/14594H03H9/54H03H9/6436H03H9/6483H03H9/703H03H9/725H04B1/0057
    • デュプレクサ及び該デュプレクサ以外の帯域通過型フィルタを有し、デュプレクサのフィルタ特性において、他の帯域通過型フィルタの通過帯域における減衰量が大きくされている、マルチプレクサを提供する。 マルチプレクサは実装基板14上に配置される。マルチプレクサは、第1,第2の帯域通過型フィルタ3A,3Bにより構成されているデュプレクサ2A及びデュプレクサ2A以外の少なくとも1個の帯域通過型フィルタを有する。第1,第2の帯域通過型フィルタ3A,3Bは、それぞれ第1,第2の積層体11A,11Bを有し、別の部品として構成されている。デュプレクサ2Aにおいて発生する高次モードスプリアスの周波数域と、デュプレクサ2A以外の帯域通過型フィルタの通過帯域とを異ならせるように、第1の積層体11Aの構成と第2の積層体11Bの構成とが異なっている。
    • 提供了具有双工器并且具有不是双工器的带通滤波器的多路复用器。 双工器具有滤波器特征,其中在另一带通滤波器的通带处衰减较大。 多路复用器布置在安装基板14上。多路复用器具有由第一和第二带通滤波器3A,3B配置的双工器2A,并且还具有至少一个不是双工器2A的带通滤波器。 第一和第二带通滤波器3A,3B具有各自的第一和第二层叠体11A,11B,并且被构造为分离的构件。 第一层压体11A的构造和第二层叠体11B的构造不同,使得在双工器2A处发生的与不是带通滤波器的通带不同的高模式杂散的频率范围不同 双工器2A。
    • 44. 发明申请
    • SAW DEVICE
    • SAW器件
    • WO1996010293A1
    • 1996-04-04
    • PCT/JP1995000312
    • 1995-02-28
    • SEIKO EPSON CORPORATIONTAKAGI, MichiakiMOMOSAKI, EishiIKUSAKA, Yoshinori
    • SEIKO EPSON CORPORATION
    • H03H09/25
    • H03H9/25H03H9/02543H03H9/02551H03H9/02834H03H9/02858H03H9/14547H03H9/14594
    • A SAW device using surface acoustic waves, which has a high Q value representative of a resonance sharpness, excellent frequency temperature characteristics and excellent short-term frequency stability. The device is formed so that IDT and reflector are parallel-arranged in the direction of propagation of a phase of a surface acoustic wave so as to be effective in the power flow direction as well which is the direction of propagation of the energy of a surface acoustic wave, whereby the energy of a surface acoustic wave is efficiently confined in the device. The production of an SAW device using a crystal piece having excellent frequency temperature characteristics, and angle theta of 25 DEG - 45 DEG and an angle phi of 40 DEG - 47 DEG , and a SAW device using a crystal piece having excellent short-term stability, and angle theta of 4 DEG - 7 DEG and an angle phi satisfying the relation, theta = 2.775 x ( phi - 32.5) + 6.5 can also be attained.
    • 使用表面声波的SAW器件,其具有代表谐振锐度的高Q值,优异的频率温度特性和优异的短期频率稳定性。 该装置形成为使得IDT和反射器在表面声波的相位的传播方向上平行布置,以便在功率流动方向上也是有效的,其是表面能量的传播方向 声波,由此表面声波的能量被有效地限制在装置中。 使用具有优异的频率温度特性,角度θ为25°-45°,角度φ为40°-47°的晶体片的SAW器件的制造以及使用具有优异的短期稳定性的晶体片的SAW器件 ,角度θ为4°-7°,角度Φi满足θ= 2.775×(phi-32.5)+ 6.5的关系。
    • 48. 发明授权
    • Acoustic wave element having an electrode finger with a protrusion
    • 声波元件,具有带突起的电极指
    • US08390400B2
    • 2013-03-05
    • US12542733
    • 2009-08-18
    • Hajime KandoShunsuke KidoTakeshi NakaoDaisuke Yamamoto
    • Hajime KandoShunsuke KidoTakeshi NakaoDaisuke Yamamoto
    • H03H9/64
    • H03H9/02921H03H9/0071H03H9/02858H03H9/02881H03H9/14538H03H9/14594
    • An acoustic wave element includes an IDT electrode in contact with a piezoelectric material and including a plurality of electrode fingers, which include first and second electrode fingers that adjoin each other in an acoustic wave propagation direction and that connect to different potentials and a first dummy electrode finger facing the first electrode finger via a gap located on an outer side in an electrode finger length direction of the first electrode finger. At an area near the gap, first protrusions are provided in at least one of the first electrode finger and the first dummy electrode finger, the first protrusion protruding in the acoustic wave propagation direction from at least one of side edges of the at least one of the first electrode finger and the first dummy electrode finger. The acoustic wave element has greatly improved resonance characteristics of a resonance frequency and prevents short-circuit failure between electrode fingers and degradation in insulation properties.
    • 声波元件包括与压电材料接触并包括多个电极指的IDT电极,其包括在声波传播方向上彼此相邻并连接到不同电位的第一和第二电极指,并且连接到不同的电位,第一虚拟电极 手指经由位于第一电极指的电极指长度方向的外侧的间隙面对第一电极指。 在间隙附近的区域,第一突起设置在第一电极指和第一虚拟电极指中的至少一个中,第一突起从声波传播方向从至少一个侧边缘突出, 第一电极指和第一虚拟电极指。 声波元件大大改善了谐振频率的谐振特性,并且防止电极指之间的短路故障和绝缘性能的劣化。
    • 50. 发明授权
    • Acoustic wave filter device utilizing filters having different acoustic wave propagation directions
    • 使用具有不同声波传播方向的滤波器的声波滤波器装置
    • US07804384B2
    • 2010-09-28
    • US11995208
    • 2006-05-23
    • Teruhisa Shibahara
    • Teruhisa Shibahara
    • H03H9/64
    • H03H9/0076H03H9/0085H03H9/02748H03H9/02834H03H9/14594H03H9/6476
    • An acoustic wave filter device having a balanced-to-unbalanced conversion function, in which the signal balance between a pair of balanced terminals is improved, has, on a piezoelectric substrate, one end of at least one longitudinally coupled resonator type acoustic wave filter and one end of at least one second longitudinally coupled resonator type acoustic wave filter among the rest of acoustic wave filters are commonly connected and connected to an unbalanced terminal, and the other ends of the longitudinally coupled resonator type acoustic wave filters are electrically connected to first and second balanced terminals, respectively, and in which a propagation direction of an acoustic wave in the longitudinally coupled resonator type acoustic wave filter and a propagation direction of an acoustic wave in the second longitudinally coupled resonator type acoustic filter are different from each other.
    • 具有平衡不平衡转换功能的声波滤波器装置,其中改善了一对平衡端子之间的信号平衡,在压电基板上具有至少一个纵向耦合的谐振器型声波滤波器的一端和 其余的声波滤波器中的至少一个第二纵向耦合的谐振器型声波滤波器的一端共同连接并连接到不平衡端子,并且纵向耦合的谐振器型声波滤波器的另一端电连接到第一和 第二平衡端子,并且其中纵向耦合谐振器型声波滤波器中的声波的传播方向和第二纵向耦合谐振器型声学滤波器中的声波的传播方向彼此不同。