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. 发明授权
    • Piezoelectric vibrator
    • 压电振子
    • US07583007B2
    • 2009-09-01
    • US12187965
    • 2008-08-07
    • Hiroaki KaidaShungo KanaiHitoshi Sakaguchi
    • Hiroaki KaidaShungo KanaiHitoshi Sakaguchi
    • H01L41/08
    • H03H9/177H03H9/0207H03H9/131H03H9/562Y10T29/42
    • An energy-trapping strip piezoelectric vibrator utilizing a third harmonic overtone of a thickness shear mode is provided. A piezoelectric vibrator 1 has a strip piezoelectric ceramic substrate 2 polarized in a longitudinal direction, and first and second excitation electrodes 3 and 4 provided on first and second principal surfaces 2a and 2b of the piezoelectric ceramic substrate 2. An excitation region 5 including a piezoelectric vibration portion that includes a portion where the first and second excitation electrodes 3 and 4 overlap and that utilizes harmonics of the thickness shear mode is formed. A region around the piezoelectric vibration portion is set as a non-excitation region. At least a region of the non-excitation region neighboring the piezoelectric vibration portion is a region having the same polarization axis direction as the excitation region 5 and a relatively small polarization degree or is an unpolarized region.
    • 提供了利用厚度剪切模式的三次谐波泛音的能量捕获带压电振动器。 压电振动器1具有沿纵向极化的带状压电陶瓷基板2,以及设置在压电陶瓷基板2的第一和第二主面2a,2b上的第一和第二激励电极3,4。 形成包括第一和第二激励电极3和4重叠的部分并且利用厚度剪切模式的谐波的振动部分。 压电振动部周围的区域被设定为非激励区域。 至少与压电振动部分相邻的非激​​发区域的区域是具有与激发区域5相同的偏振轴方向和相对较小偏振度的区域或者是非偏振区域。
    • 3. 发明授权
    • Energy trap piezoelectric resonator
    • 能量陷阱压电谐振器
    • US07567014B2
    • 2009-07-28
    • US10559240
    • 2005-04-20
    • Hitoshi SakaguchiHiroaki KaidaTakashi Hase
    • Hitoshi SakaguchiHiroaki KaidaTakashi Hase
    • H01L41/047
    • H03H9/0207H03H9/177
    • An energy trap piezoelectric resonator makes use of a harmonic wave in a thickness longitudinal vibration mode and can effectively suppress a spurious fundamental wave in a thickness longitudinal vibration mode without significantly suppressing the harmonic wave that is used for the resonator. The energy trap piezoelectric resonator has a first excitation electrode disposed at an upper surface of a piezoelectric substrate polarized in a thickness direction and a second excitation electrode disposed at a lower surface, and a floating electrode disposed at at least one of the upper surface and/or the lower surface of the piezoelectric substrate so as to extend towards and away from the first excitation electrode with respect to a node of an electric potential distribution based on electric charges generated by the fundamental wave that is propagated when an energy trap vibration portion where the excitation electrodes oppose each other is excited.
    • 能量阱压电谐振器利用厚度纵向振动模式的谐波,并且可以有效地抑制厚度纵向振动模式中的杂波基波,而不会显着地抑制用于谐振器的谐波。 能量阱压电谐振器具有设置在厚度方向偏振的压电基板的上表面的第一激励电极和设置在下表面的第二激励电极,以及设置在上表面和/ 或者压电基板的下表面相对于基于由基波产生的电荷而相对于电位分布的节点朝向和远离第一激励电极延伸,当基本波产生的电荷是在能量陷阱振动部分 激发电极彼此相对激发。
    • 4. 发明授权
    • Thickness extensional piezoelectric resonator
    • 厚度拉伸压电谐振器
    • US07446454B2
    • 2008-11-04
    • US11605412
    • 2006-11-29
    • Hiroaki KaidaHitoshi SakaguchiTakashi HaseJiro Inoue
    • Hiroaki KaidaHitoshi SakaguchiTakashi HaseJiro Inoue
    • H01L41/08
    • H03H9/177H03H9/02102
    • An energy-trapping-type thickness extensional piezoelectric resonator using a thickness extensional vibration mode having first and second resonance electrodes formed on portions of the top surface and the bottom surface of a piezoelectric substrate that is polarized in the thickness direction thereof, respectively, in which a portion where the first and second resonance electrodes oppose each other is formed as an energy-trapping-type vibration section, wherein, in order to suppress frequency changes of the thickness extensional vibration mode due to temperature, which is a main response using resonance characteristics, a suppression response having a frequency-temperature-change tendency for suppressing frequency changes of the main response due to temperature is brought into close proximity with the main response.
    • 一种使用厚度延伸振动模式的能量捕获型厚度延伸压电谐振器,其具有分别在其厚度方向上被偏振的压电基板的顶表面和底表面的部分上形成的第一和第二谐振电极,其中, 第一和第二谐振电极彼此相对的部分形成为能量捕获型振动部分,其中为了抑制作为使用谐振特性的主要响应的温度引起的厚度延伸振动模式的频率变化 具有用于抑制由于温度导致的主响应的频率变化的频率 - 温度变化趋势的抑制响应与主要响应紧密相关。
    • 5. 发明申请
    • Thickness extensional piezoelectric resonator
    • 厚度拉伸压电谐振器
    • US20070069608A1
    • 2007-03-29
    • US11605412
    • 2006-11-29
    • Hiroaki KaidaHitoshi SakaguchiTakashi HaseJiro Inoue
    • Hiroaki KaidaHitoshi SakaguchiTakashi HaseJiro Inoue
    • H01L41/00
    • H03H9/177H03H9/02102
    • An energy-trapping-type thickness extensional piezoelectric resonator using a thickness extensional vibration mode having first and second resonance electrodes formed on portions of the top surface and the bottom surface of a piezoelectric substrate that is polarized in the thickness direction thereof, respectively, in which a portion where the first and second resonance electrodes oppose each other is formed as an energy-trapping-type vibration section, wherein, in order to suppress frequency changes of the thickness extensional vibration mode due to temperature, which is a main response using resonance characteristics, a suppression response having a frequency-temperature-change tendency for suppressing frequency changes of the main response due to temperature is brought into close proximity with the main response.
    • 一种使用厚度延伸振动模式的能量捕获型厚度延伸压电谐振器,其具有分别在其厚度方向上被偏振的压电基板的顶表面和底表面的部分上形成的第一和第二谐振电极,其中, 第一和第二谐振电极彼此相对的部分形成为能量捕获型振动部分,其中为了抑制作为使用谐振特性的主要响应的温度引起的厚度延伸振动模式的频率变化 具有用于抑制由于温度导致的主响应的频率变化的频率 - 温度变化趋势的抑制响应与主要响应紧密相关。
    • 8. 发明授权
    • Recording/reproducing device, system and server
    • 记录/再现设备,系统和服务器
    • US08437621B2
    • 2013-05-07
    • US12294688
    • 2007-03-27
    • Masayasu AriyoshiHitoshi SakaguchiTakeru Komoriya
    • Masayasu AriyoshiHitoshi SakaguchiTakeru Komoriya
    • H04N5/76
    • G11B27/034H04N5/76H04N5/765H04N5/781H04N9/8205H04N21/2747H04N21/4263H04N21/47214H04N21/6587H04N21/812
    • A digital recording and reproducing device (10) converts an MPEG stream output from a plurality of tuners (12) that can receive a plurality of television signals in accordance with a proper bit rate, resolution, and a compressing system. A server provides a time index with an identifier to identify program data and program corner data. The digital recording and reproducing device receives and records the identifier. A signal receiving unit (25) receives a reproduction signal of the program data from a controller and an input unit (28) that transmit an input signal related to reproduction of the program data. A control unit (18) detects an identifier of a time index corresponding to the reproduction signal received by the signal receiving unit (25) and program data related to the identifier are extracted from a recording means (17).
    • 数字记录和再现装置(10)转换从多个调谐器(12)输出的MPEG流,其可以根据适当的比特率,分辨率和压缩系统接收多个电视信号。 服务器提供具有识别程序数据和程序角数据的标识符的时间索引。 数字记录和再现设备接收和记录标识符。 信号接收单元(25)从控制器和输入单元(28)接收节目数据的再现信号,该输入单元发送与节目数据的再现有关的输入信号。 控制单元(18)检测与由信号接收单元(25)接收的再现信号相对应的时间索引的标识符,并且从记录装置(17)提取与标识符相关的程序数据。