专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US07193354B2 Resonator, unit having resonator, oscillator having unit and electronic apparatus having oscillator 有权
标题翻译：谐振器，具有谐振器的单元，具有单元的振荡器和具有振荡器的电子设备
公开(公告)号：US07193354B2
公开(公告)日：2007-03-20
申请号：US10875114
申请日：2004-06-23
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H9/21 , H03B5/36 , H03B5/32
CPC分类号： H03B5/36 , H03H9/02023 , H03H9/02157 , H03H9/0547 , H03H9/1021 , H03H9/215
摘要： An electronic apparatus comprises a display portion and a plurality of oscillators, one of which is a quartz crystal oscillator comprising: a quartz crystal oscillating circuit comprising; an amplification circuit and a feedback circuit. For example, the feedback circuit is constructed by a quartz crystal resonator comprising vibrational arms and a base portion, and having novel shape and electrode construction. Also, the quartz crystal resonator is housed in a package. In addition, from a relationship of an amplification rate of the amplification circuit and a feedback rate of the feedback circuit, an output signal of the quartz crystal oscillating circuit having an oscillation frequency of a fundamental mode of vibration for the quartz crystal resonator can be provided with a frequency of high stability.
摘要翻译：电子设备包括显示部分和多个振荡器，其中之一是石英晶体振荡器，包括：石英晶体振荡电路，包括：放大电路和反馈电路。例如，反馈电路由包括振动臂和基部的石英晶体谐振器构成，并且具有新颖的形状和电极结构。此外，石英晶体谐振器容纳在封装中。此外，根据放大电路的放大率与反馈电路的反馈率的关系，可以提供具有石英晶体谐振器的基本振动模式的振荡频率的石英振荡电路的输出信号具有高稳定性的频率。

32. 发明授权

US07071794B2 Quartz crystal resonator, unit having resonator, oscillator having unit, electronic apparatus having oscillator, and method for manufacturing electronic apparatus 有权
标题翻译：石英晶体谐振器，具有谐振器的单元，具有单元的振荡器，具有振荡器的电子设备，以及用于制造电子设备的方法
公开(公告)号：US07071794B2
公开(公告)日：2006-07-04
申请号：US10749182
申请日：2003-12-30
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03B5/32 , H03B5/36 , H03H9/21
CPC分类号： H03H9/1021 , H03B5/32 , H03H3/02 , H03H9/0547 , H03H9/215 , H03H2003/026 , H03H2003/0492 , H04R17/00 , H04R31/00 , Y10T29/42 , Y10T29/49004 , Y10T29/49005 , Y10T29/4913 , Y10T29/49574
摘要： A quartz crystal resonator has a quartz crystal tuning fork base and quartz crystal tuning fork tines connected to the quartz crystal tuning fork base. Each of the quartz crystal tuning fork tines has opposite main surfaces, a groove formed in at least one of the main surfaces, and an electrode disposed in the groove formed in at least one of the main surfaces so that a merit value M1 of a fundamental mode of vibration of the quartz crystal tuning fork resonator is greater than a merit value M2 of a second overtone mode of vibration thereof. The merit values M1 and M2 are defined by the ratios Q1/r1 and Q2/r2, respectively, where Q1 and Q2 represent a quality factor of the fundamental mode of vibration and the second overtone mode of vibration, respectively, of the quartz crystal tuning fork resonator and r1 and r2 represent a capacitance ratio of the fundamental mode of vibration and the second overtone mode of vibration, respectively, of the quartz crystal tuning fork resonator. A piezoelectric constant e12 of the the quartz crystal tuning fork resonator is within a range of 0.095 C/m2 to 0.19 C/m2 in the absolute value.
摘要翻译：石英晶体谐振器具有与石英晶体音叉基座连接的石英晶体音叉基座和石英晶体音叉。每个石英晶体音叉具有相对的主表面，形成在至少一个主表面上的凹槽和设置在形成在至少一个主表面上的凹槽中的电极，使得优点值M 石英晶体谐振器谐振器的基本振动模式的1/1大于其第二谐波振动模式的优值M 2 2。优点值M 1和M 2 2由比值Q 1/1＆lt; 1＆gt;和Q＆lt; SUB 其中Q 1和Q 2分别表示振动的基本模式的品质因数，并且分别是石英音叉谐振器和r 1和r 2的振动的第二泛音模式表示基本振动模式和第二泛音的电容比分别为石英晶体谐振器的振动模式。石英音叉谐振器的压电常数e 12 12在0.095℃/ m 2〜0.19℃/ m 2的范围内，在绝对值。

33. 发明申请

US20060070220A1 Method for manufacturing electronic apparatus 有权
标题翻译：电子设备制造方法
公开(公告)号：US20060070220A1
公开(公告)日：2006-04-06
申请号：US11198731
申请日：2005-08-05
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H04R17/00
CPC分类号： H03H9/215 , H03B5/36 , H03H9/0547 , H03H9/1021 , H03H2003/0492 , H04R17/00 , Y10T29/42 , Y10T29/43 , Y10T29/435 , Y10T29/49002 , Y10T29/49004 , Y10T29/49005 , Y10T29/4913 , Y10T29/49155 , Y10T29/49156 , Y10T29/49169
摘要： A method for manufacturing an electronic apparatus comprises forming a quartz crystal tuning fork resonator having a fundamental mode of vibration and a second overtone mode of vibration each comprised of a flexural mode of an inverse phase, a series resistance R1 of the fundamental mode of vibration and a series resistance R2 of the second overtone mode of vibration. An amplification circuit is provided having a CMOS inverter, a feedback resistor, a negative resistance −RL1 for the fundamental mode of vibration of the quartz crystal tuning fork resonator, and a negative resistance −RL2 for the second overtone mode of vibration thereof. A feedback circuit is provided having the quartz crystal tuning fork resonator, a plurality of capacitors and a drain resistor. The quartz crystal tuning fork resonator is electrically connected to the CMOS inverter and the feedback resistor of the amplification circuit and to the capacitors and the drain resistor of the feedback circuit.
摘要翻译：一种用于制造电子设备的方法包括：形成具有基本振动模式和第二泛音振动模式的石英音叉谐振器，每个振荡模式包括反相的弯曲模式，串联电阻R 1 >振动的基本模式和第二泛音振动模式的串联电阻R 2 2。提供了具有CMOS反相器，反馈电阻器，用于石英音叉谐振器的基本振动模式的负电阻-RL 1 <1的放大电路，以及负电阻-RL < 2 用于其第二泛音振动模式。提供了具有石英音叉谐振器，多个电容器和漏极电阻器的反馈电路。石英晶体音叉谐振器与CMOS反相器和放大电路的反馈电阻以及反馈电路的电容器和漏极电阻电连接。

34. 发明授权

US06959472B2 Method for manufacturing quartz crystal oscillator 失效
标题翻译：制造石英晶体振荡器的方法
公开(公告)号：US06959472B2
公开(公告)日：2005-11-01
申请号：US10412470
申请日：2003-04-11
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H01L41/09 , H01L41/18 , H01L41/22 , H01L41/23 , H01L41/253 , H01L41/313 , H03B5/36 , H03H3/02 , H03H3/04 , H03H9/02 , H03H9/05 , H03H9/10 , H03H9/19 , H03H9/21 , H03H9/215 , H04R17/00 , H01L41/04
CPC分类号： H03H9/215 , H03B5/36 , H03H9/0547 , H03H9/1021 , H03H2003/0492 , H04R17/00 , Y10T29/42 , Y10T29/43 , Y10T29/435 , Y10T29/49002 , Y10T29/49004 , Y10T29/49005 , Y10T29/4913 , Y10T29/49155 , Y10T29/49156 , Y10T29/49169
摘要： In a method for manufacturing a quartz crystal oscillator, at least one of a chemical etching method, a physical etching method, and a mechanical method is utilized to form a quartz crystal tuning fork resonator having a quartz crystal tuning fork base, quartz crystal tuning fork tines connected to the quartz crystal tuning fork base, a fundamental mode of vibration, and a second overtone mode of vibration each comprised of a flexural mode of an inverse phase. An amplification circuit is provided having at least an amplifier. A feedback circuit is provided having the quartz crystal tuning fork resonator and capacitors. The amplifier of the amplification circuit and the quartz crystal tuning fork resonator and capacitors of the feedback circuit are electrically connected together.
摘要翻译：在石英晶体振荡器的制造方法中，利用化学蚀刻方法，物理蚀刻方法和机械方法中的至少一种来形成具有石英晶体音叉基座的石英音叉谐振器，石英音叉尖晶石连接到石英晶体音叉基座，基本的振动模式，以及第二泛音振动模式，每个都包括一个反相的弯曲模式。提供具有至少一个放大器的放大电路。提供了具有石英音叉谐振器和电容器的反馈电路。放大电路的放大器和石英晶体谐振器和反馈电路的电容器电连接在一起。

35. 发明授权

US06915548B2 Method for manufacturing quartz crystal tuning fork resonator, quartz crystal unit having quartz crystal tuning fork resonator, and quartz crystal oscillator having quartz crystal unit 有权
标题翻译：石英音叉谐振器的制造方法，具有石英音叉谐振器的石英晶体单元和具有石英晶体单元的石英晶体振荡器
公开(公告)号：US06915548B2
公开(公告)日：2005-07-12
申请号：US10358821
申请日：2003-02-05
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H3/02 , H03H9/10 , H03H9/215 , H01L41/10
CPC分类号： H03H9/0547 , H03H3/02 , H03H9/1021 , H03H9/215 , H03H2003/026 , H03H2003/0492 , Y10T29/42
摘要： In method for manufacturing a quartz crystal tuning fork resonator capable of vibrating in a flexural mode, a quartz crystal wafer is etched in a first etching process to form a quartz crystal tuning fork base and quartz crystal tuning fork tines connected to the quartz crystal tuning fork base. The quartz crystal wafer is etched in a second etching process different from the first etching process to form a groove having stepped portions in at least one of opposite main surfaces of each of the quartz crystal tuning fork tines. First electrodes having a first electrical polarity are disposed on the stepped portions of the grooves of respective ones of the quartz crystal tuning fork tines. Second electrodes having a second electrical polarity opposite to the first electrical polarity are disposed on side surfaces of respective ones of the quartz crystal tuning fork tines.
摘要翻译：在制造能够以弯曲模式振动的石英音叉式谐振器的方法中，在第一蚀刻工艺中蚀刻石英晶片，以形成石英晶体音叉基座和石英晶体音叉连接的石英晶体音叉基础。在与第一蚀刻工艺不同的第二蚀刻工艺中蚀刻石英晶片，以在每个石英晶体分叉齿的至少一个相对主表面中形成具有台阶部分的凹槽。具有第一电极性的第一电极设置在各个石英音叉齿的槽的阶梯部分上。具有与第一电极性相反的第二电极性的第二电极设置在相应的石英晶体分叉齿的侧表面上。

36. 发明申请

US20050012560A1 Quartz crystal unit, and quartz crystal oscillator having quartz crystal unit 有权
标题翻译：石英晶体单元和石英晶体振荡器
公开(公告)号：US20050012560A1
公开(公告)日：2005-01-20
申请号：US10920018
申请日：2004-08-17
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H3/02 , H03H9/10 , H03H9/215 , H03B5/32
CPC分类号： H03H9/0547 , H03H3/02 , H03H9/1021 , H03H9/215 , H03H2003/026 , H03H2003/0492 , Y10T29/42
摘要： A quartz crystal unit has a quartz crystal tuning fork resonator capable of vibrating in a flexural mode of an inverse phase. The quartz crystal tuning fork resonator has a fundamental mode of vibration, a second overtone mode of vibration, a quartz crystal tuning fork base, and a plurality of quartz crystal tuning fork tines connected to the quartz crystal tuning fork base. A merit value M2 for the second overtone mode of vibration of the quartz crystal tuning fork resonator is less than 30 so that the second overtone mode of vibration thereof is suppressed, the merit value M2 being defined by a ratio Q2/r2, where Q2 and r2 represent a quality factor and a capacitance ratio of the second overtone mode of vibration, respectively, of the quartz crystal tuning fork resonator capable of vibrating in the second overtone mode.
摘要翻译：石英晶体单元具有能够以反相的弯曲模式振动的石英音叉谐振器。石英音叉谐振器具有基本的振动模式，第二泛音振动模式，石英晶体音叉基座和连接到石英晶体音叉基座的多个石英晶体音叉。石英音叉谐振器的第二泛音振动模式的优点值M2小于30，从而抑制第二泛音振动模式，优点值M2由比率Q2 / r2定义，其中Q2和 r2分别表示能够在第二泛音模式下振动的石英音叉式谐振器的质量因子和第二谐波振动模式的电容比。

37. 发明授权

US4900971A Face shear mode quartz crystal resonator 失效
标题翻译：面剪切模式石英晶体谐振器
公开(公告)号：US4900971A
公开(公告)日：1990-02-13
申请号：US320157
申请日：1989-03-07
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H9/02 , H03H9/05 , H03H9/19
CPC分类号： H03H9/02157 , H03H9/19
摘要： A face shear mode quartz crystal resonator having a vibrational portion and supporting portions incorporated therein by an etching method. A flexural portion of the supporting portion is connected with a central portion of a side of the vibrational portion. The width W and length L of the flexural portion connected with the vibrational portion are designed so as to meet "W.ltoreq.0.67L". The supporting portions are provided at the edges in the z'-axis direction of the vibrational portion which is substantially square and fixedly supported via both distal end portions of the supporting portions, and each side of the vibrational portion is from 0.72 mm to 2.02 mm.
摘要翻译：具有通过蚀刻方法结合在其中的振动部分和支撑部分的面部剪切模式石英晶体谐振器。支撑部的弯曲部与振动部的一侧的中央部连接。与振动部连接的挠曲部的宽度W和长度L被设计成满足“W <= 0.67L”。支撑部分设置在振动部分的z'轴方向上的边缘处，该边缘基本上是正方形的，并且经由支撑部分的两个远端部分固定地支撑，并且振动部分的每一侧为0.72mm至2.02mm 。

38. 发明授权

US4633124A Mount for quartz crystal resonator 失效
标题翻译：安装用于石英晶体谐振器
公开(公告)号：US4633124A
公开(公告)日：1986-12-30
申请号：US475446
申请日：1983-03-15
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H9/02 , H03H9/05 , H03H9/19 , H01L41/08
CPC分类号： H03H9/0509 , H03H9/02023 , H03H9/02157 , H03H9/0595 , H03H9/19
摘要： A mounting is provided for a GT-cut, coupled mode piezoelectric resonator. The mount includes pedestals with recesses. Portions of the resonator are mounted in the recesses.
摘要翻译：为GT切割耦合模式压电谐振器提供安装。安装座包括带凹槽的基座。谐振器的一部分安装在凹槽中。

39. 发明授权

US4525646A Flexural mode vibrator formed of lithium tantalate 失效
标题翻译：由钽酸锂形成的弯曲模式振动器
公开(公告)号：US4525646A
公开(公告)日：1985-06-25
申请号：US87716
申请日：1979-10-24
申请人： Hirofumi Kawashima
发明人： Hirofumi Kawashima
IPC分类号： H03H9/21 , H01L41/08
CPC分类号： H03H9/21
摘要： A lithium tantalate (LiTaO.sub.3) vibrator comprises a lithium tantalate crystal vibratable in the flexural mode and having an electro-mechanical coupling factor within the range 0.04 to 0.10. The crystal may have a tuning fork shape cut from a Z-plate turned an angle of 48.degree. to 55.degree. around the X-axis.
摘要翻译：钽酸锂（LiTaO 3）振动器包括在弯曲模式下可振动并具有在0.04至0.10范围内的机电耦合系数的钽酸锂晶体。晶体可以具有从Z轴切割成围绕X轴的角度为48°至55°的音叉形状。

40. 发明授权

US4355257A Thickness shear type piezoelectric vibrator with integral mounting 失效
标题翻译：厚度剪切式压电振动器整体安装
公开(公告)号：US4355257A
公开(公告)日：1982-10-19
申请号：US168133
申请日：1980-07-14
申请人： Hirofumi Kawashima , Akira Watanabe , Yasunori Ebihara
发明人： Hirofumi Kawashima , Akira Watanabe , Yasunori Ebihara
IPC分类号： G04F5/06 , H03H3/02 , H03H9/05 , H03H9/19 , H01L41/08
CPC分类号： H03H9/0595 , G04F5/063 , H03H9/177 , H03H9/19
摘要： A thickness shear type piezoelectric vibrator comprises a quartz crystal plate of uniform thickness having a rectangular vibrating portion and integral rectangular supporting portions of less width extending from opposite ends of the vibrating portion. Electrodes of conducting material have elongated rectangular active portions on obverse and reverse surfaces of the vibrating portions of the plate. The electrode on the obverse surface of the plate has an integral lead portion extending along the obverse surface of only one of the supporting portions. The electrode on the reverse surface of the plate has an integral lead portion extending along the reverse surface of the other only of the supporting portions so that an electric field is applied by the electrodes only to the vibrating portion of the plate and not to the supporting portions.
摘要翻译：厚度剪切型压电振子包括具有矩形振动部分的均匀厚度的石英晶体板和从振动部分的相对端延伸的具有较小宽度的整体矩形支撑部分。导电材料的电极在板的振动部分的正面和反面上具有细长的矩形有源部分。板的正面上的电极具有沿着仅一个支撑部分的正表面延伸的整体引线部分。板的反面上的电极具有沿着仅支撑部分的另一个的相反表面延伸的整体引线部分，使得电极仅通过电极施加到板的振动部分而不是支撑部分。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式