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    • 4. 发明专利
    • 振動片、振動子、発振器、電子機器および移動体
    • 振动片,振动器,振荡器,电子设备和手机
    • JP2015023423A
    • 2015-02-02
    • JP2013149982
    • 2013-07-18
    • セイコーエプソン株式会社Seiko Epson Corp
    • YAMADA AKINORI
    • H03H9/19H03B5/32H03H9/10H03H9/215
    • H03B5/30G04F5/063H01L41/04H03B5/32H03H9/0547H03H9/1014H03H9/215
    • 【課題】耐衝撃性およびQ値を高めることができる振動片を提供すること、また、かかる振動片を備える振動子、発振器、電子機器および移動体を提供すること。【解決手段】振動片2は、基部4が、第1基部41、第2基部42および連結部43を含み、基部4は、連結部43の第1基部41側の端部に設けられ、X軸方向に沿った幅が第2基部42に向かうに従って連続的に小さくなっている縮幅部411を含み、平面視で、縮幅部411の外縁と連結部43の外縁とが角部を含まない連続した線となっており、その曲線の第1基部41側の部分の接線とX軸方向に平行な線分とのなす角を&thetas;としたとき、0?
    • 要解决的问题:提供一种能够提高抗冲击性和Q值的振动片,并提供振动器,振动器,电子设备和包括这种振动片的移动体。解决方案:在振动片2中,基座 4包括第一基座41,第二基座42和第三基座43.基座4设置在第一基座41侧的联接部43的端部,并且包括缩小宽度部411,其中宽度X 轴平面朝向第二基座42连续地减小。在平面图中,收缩宽度部分411的外边缘和联接部分43的外边缘是不包括拐角的连续线,角度和角度; 由第一基座41侧的曲线的一部分的切线形成,与X轴方向平行的部分满足0°<&lt;&lt; 90°的关系。
    • 8. 发明专利
    • Piezoelectric vibration device
    • 压电振动装置
    • JP2012023756A
    • 2012-02-02
    • JP2011197264
    • 2011-09-09
    • Koichi Hirama宏一 平間
    • HIRAMA KOICHI
    • H03H9/56H01L41/09H01L41/18H03B5/30H03B5/32H03H9/145H03H9/64
    • H03H9/545H03B5/30H03B5/36H03B28/00H03H9/25H03H9/56H03H9/566H03H9/6433H03H2003/0464H03J3/00
    • PROBLEM TO BE SOLVED: To provide a resonant circuit capable of controlling oscillation frequency and frequency characteristics of a filter without using a variable reactance element and a variable inductance element in a general resonant circuit, and to provide an oscillator circuit and a filter using the resonant circuit.SOLUTION: A resonant circuit combined with a piezoelectric transducer such as a crystal oscillator, a coil, and a capacitor, or elements equivalent to them comprises an oscillator circuit and a filter capable of freely adjusting frequency characteristics thereof using a phenomenon capable of varying an antiresonant frequency of the whole of a composite resonant circuit when combining at least two resonant circuits with mutually different resonant frequencies to independently change an excitation current or a voltage of each resonant circuit.
    • 要解决的问题:提供一种能够在一般谐振电路中不使用可变电抗元件和可变电感元件的情况下控制滤波器的振荡频率和频率特性的谐振电路,并提供振荡器电路和滤波器 使用谐振电路。 解决方案:与诸如晶体振荡器,线圈和电容器的压电换能器或与其相当的元件组合的谐振电路包括振荡器电路和能够使用能够 当组合具有相互不同谐振频率的至少两个谐振电路以独立地改变每个谐振电路的激励电流或电压时,改变复合谐振电路整体的反谐振频率。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Vibrating member and vibrating device
    • 振动会员和振动装置
    • JP2011160250A
    • 2011-08-18
    • JP2010020945
    • 2010-02-02
    • Seiko Epson Corpセイコーエプソン株式会社
    • YAMADA AKINORI
    • H03H9/19H01L41/08H01L41/09H01L41/18H01L41/187H01L41/22H01L41/23H01L41/332H03H9/215H03H9/24
    • H03B5/30H03B5/32H03H9/21
    • PROBLEM TO BE SOLVED: To provide a vibrating member and a vibrating device in which a Q factor can be improved by preventing vibration leakage in a vibrating member of out-of-plane bending vibration. SOLUTION: A vibrating member 2 includes: a base part 27 which extends in an X-axis direction; three vibrating arms 28, 29, 30 which extend from a base part 27 in a Y-axis direction orthogonal to the X-axis direction, are provided side by side in the X-axis direction, and bending-vibrate in a Z-axis direction orthogonal to the X-axis direction and the Y-axis direction; a support part 25 which is provided on an opposite sides of the vibrating arms 28, 29, 30 with respect to the base part 27; and a linking part 26 which links the base part 27 and the support part 25. An end part of the linking part 26 on a side of the base part 27 is connected to a part corresponding to a position, at which the vibrating arms 28, 29, 30 are not present in the X-axis direction, of the base part 27. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种振动部件和振动装置,通过防止振动部件的平面外弯曲振动的振动泄漏,能够提高Q因数。 解决方案:振动部件2包括:沿X轴方向延伸的基部27; 从基部27沿与X轴方向正交的Y轴方向延伸的三个振动臂28,29,30在X轴方向上并排设置,并且Z轴弯曲振动 方向与X轴方向和Y轴方向正交; 支撑部25,其相对于基部27设置在振动臂28,29,30的相对侧上; 以及将基部27和支撑部25连接的连结部26.连接部26的基部27一侧的端部与对应于振动臂28的位置的部分连接, 29,30在基座部件27的X轴方向上不存在。版权所有(C)2011,JPO&INPIT