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1. 发明申请

US20120068776A1 Oscillator 失效
标题翻译：振荡器
公开(公告)号：US20120068776A1
公开(公告)日：2012-03-22
申请号：US13137922
申请日：2011-09-21
申请人： Fumio Asamura , Takehito Ishii
发明人： Fumio Asamura , Takehito Ishii
IPC分类号： H03B1/04
CPC分类号： H03B5/30 , H03B2200/0034 , H03B2200/0088
摘要： Provided is an oscillator using an MEMS resonator, which can reduce an influence of noise of a TIA and improve phase noise characteristics of an oscillator output. The oscillator includes an MEMS resonator, a TIA, a buffer amplifier, and a current/voltage converter that couples, by electromagnetic induction, with a wiring line via which an output of the MEMS resonator is fed to the TIA, so as to convert a current flowing in the wiring line to a voltage and output the voltage to the buffer amplifier. Thus, the oscillator output is extracted from the current/voltage converter. Further, the current/voltage converter is provided in the form of an oscillation output coil provided so as to surround the wiring line in a noncontact manner, in which oscillation output coil one end is connected to ground and the other end is connected to the buffer amplifier.
摘要翻译：提供了使用MEMS谐振器的振荡器，其可以减少TIA的噪声的影响并改善振荡器输出的相位噪声特性。该振荡器包括MEMS谐振器，TIA，缓冲放大器以及电流/电压转换器，其通过电磁感应耦合与MEMS谐振器的输出馈送到TIA的布线，从而将电流在布线中流向电压，并将电压输出到缓冲放大器。因此，从电流/电压转换器提取振荡器输出。此外，电流/电压转换器以振荡输出线圈一端连接到地并且另一端连接到缓冲器的非接触方式设置为以围绕布线的振荡输出线圈的形式提供放大器

2. 发明授权

US08558629B2 Temperature-controlled crystal oscillating unit and crystal oscillator 失效
标题翻译：温度控制晶体振荡单元和晶体振荡器
公开(公告)号：US08558629B2
公开(公告)日：2013-10-15
申请号：US13309579
申请日：2011-12-02
申请人： Fumio Asamura , Takehito Ishii
发明人： Fumio Asamura , Takehito Ishii
IPC分类号： H03B5/32
CPC分类号： H03L1/04
摘要： A temperature-controlled crystal oscillating unit and oscillator are provided, which can stabilize an output frequency thereof, have firmness against shock of falling etc., and are suitable for miniaturization and mass production. A crystal blank for the temperature-controlled crystal oscillating unit is formed by an inner region which is an oscillating plate; an outer region which surrounds the periphery of the inner region; and a connection portion which connects the inner region with the outer region. Electrodes are formed on two surfaces of the inner region, and a heater and a temperature sensor are disposed to surround the periphery of the electrode on one surface of the inner region where the electrode is formed thereon. The electrodes, the heater and the temperature sensor are respectively connected with terminals on the outer region by leads. A contact area between the temperature sensor and a crystal is increased.
摘要翻译：提供了温度控制的晶体振荡单元和振荡器，其可以稳定其输出频率，具有抵抗下降等的冲击的坚固性，并且适合于小型化和批量生产。用于温度控制的晶体振荡单元的晶体坯体由作为振荡板的内部区域形成; 围绕所述内部区域的周边的外部区域; 以及将内部区域与外部区域连接的连接部。电极形成在内部区域的两个表面上，并且加热器和温度传感器设置成围绕形成电极的内部区域的一个表面上的电极的周边。电极，加热器和温度传感器分别通过引线与外部区域的端子连接。温度传感器和晶体之间的接触面积增大。

3. 发明授权

US08451068B2 Oscillator 失效
标题翻译：振荡器
公开(公告)号：US08451068B2
公开(公告)日：2013-05-28
申请号：US13137922
申请日：2011-09-21
申请人： Fumio Asamura , Takehito Ishii
发明人： Fumio Asamura , Takehito Ishii
IPC分类号： H03B5/30
CPC分类号： H03B5/30 , H03B2200/0034 , H03B2200/0088
摘要： Provided is an oscillator using an MEMS resonator, which can reduce an influence of noise of a TIA and improve phase noise characteristics of an oscillator output. The oscillator includes an MEMS resonator, a TIA, a buffer amplifier, and a current/voltage converter that couples, by electromagnetic induction, with a wiring line via which an output of the MEMS resonator is fed to the TIA, so as to convert a current flowing in the wiring line to a voltage and output the voltage to the buffer amplifier. Thus, the oscillator output is extracted from the current/voltage converter. Further, the current/voltage converter is provided in the form of an oscillation output coil provided so as to surround the wiring line in a noncontact manner, in which oscillation output coil one end is connected to ground and the other end is connected to the buffer amplifier.
摘要翻译：提供了使用MEMS谐振器的振荡器，其可以减少TIA的噪声的影响并改善振荡器输出的相位噪声特性。该振荡器包括MEMS谐振器，TIA，缓冲放大器以及电流/电压转换器，其通过电磁感应耦合与MEMS谐振器的输出馈送到TIA的布线，从而将电流在布线中流向电压，并将电压输出到缓冲放大器。因此，从电流/电压转换器提取振荡器输出。此外，电流/电压转换器以振荡输出线圈一端连接到地并且另一端连接到缓冲器的非接触方式设置为以围绕布线的振荡输出线圈的形式提供放大器

4. 发明授权

US08576020B2 Crystal oscillator and method of manufacturing the same 失效
标题翻译：晶体振荡器及其制造方法
公开(公告)号：US08576020B2
公开(公告)日：2013-11-05
申请号：US13328993
申请日：2011-12-16
申请人： Fumio Asamura
发明人： Fumio Asamura
IPC分类号： H03B5/32
CPC分类号： H01L23/552 , H01L24/16 , H01L24/81 , H01L2224/16225 , H01L2924/00013 , H01L2924/14 , H01L2924/15153 , H01L2924/1517 , H01L2924/1532 , H01L2224/13099
摘要： A crystal oscillator with improved tolerance to radiation such as X-rays includes: a container body; a quartz crystal blank accommodated in a first recess formed on one main surface of the container body and hermetically encapsulated in the first recess by a metal cover; and an IC chip that integrates electronic circuits including at least an oscillator circuit using the crystal blank and is accommodated in the second recess formed on the other main surface of the container body. The IC chip is fixed to the bottom surface of the second recess by flip-chip bonding such that a circuit formation plane of the IC chip is opposed to the bottom surface of the second recess. A radiation protective film is formed on the main surface other than the circuit formation plane of the IC chip.
摘要翻译：具有改善的辐射耐受性的诸如X射线的晶体振荡器包括：容器体; 容纳在形成在容器主体的一个主表面上并通过金属盖气密地封装在第一凹部中的第一凹部中的石英晶体坯料; 以及IC芯片，其集成了至少包括使用晶体坯料的振荡器电路的电子电路，并且容纳在形成在容器主体的另一个主表面上的第二凹部中。 IC芯片通过倒装芯片接合固定在第二凹部的底面上，使得IC芯片的电路形成面与第二凹部的底面相对。在IC芯片的电路形成面以外的主表面上形成有放射线保护膜。

5. 发明申请

US20070164830A1 Harmonic oscillator using transmission line resonator 失效
标题翻译：谐波振荡器采用传输线谐振器
公开(公告)号：US20070164830A1
公开(公告)日：2007-07-19
申请号：US11654360
申请日：2007-01-17
申请人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Kenji Kawahata , Katsuaki Sakamoto
发明人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Kenji Kawahata , Katsuaki Sakamoto
IPC分类号： H03B5/18
CPC分类号： H03B5/1852
摘要： A harmonic oscillator comprises a transmission line resonator in which an oscillation frequency depends on an electrical length of a transmission line and both ends of the transmission line are electrical open ends; an active element for oscillation as a negative resistance connecting to the transmission line resonator; an output line connected to a midpoint portion of the transmission line resonator; and electrical and/or physical suppressing means for suppressing a voltage displacement distribution of second harmonic among the even-order harmonics. The suppressing means is provided at a position which is at least a minimum voltage displacement portion for the second harmonic between the midpoint portion and either ends of the transmission line resonator.
摘要翻译：谐波振荡器包括传输线谐振器，其中振荡频率取决于传输线的电长度，并且传输线的两端是电开路端; 用于振荡的有源元件作为连接到传输线谐振器的负电阻; 连接到所述传输线谐振器的中点部分的输出线; 以及用于抑制偶次谐波中二次谐波的电压位移分布的电和/或物理抑制装置。抑制装置设置在至少是传输线谐振器的中点部分和两端之间的二次谐波的最小电压位移部分的位置。

6. 发明申请

US20070001779A1 High-frequency balun 失效
标题翻译：高频平衡 - 不平衡转换器
公开(公告)号：US20070001779A1
公开(公告)日：2007-01-04
申请号：US11480020
申请日：2006-06-30
申请人： Fumio Asamura , Kenji Kawahata , Katsuaki Sakamoto
发明人： Fumio Asamura , Kenji Kawahata , Katsuaki Sakamoto
IPC分类号： H01P5/10
CPC分类号： H01P5/10
摘要： In a balun for mutually converting an unbalanced line for unbalanced input/output and a balanced line for balanced input/output, the unbalanced line and the balanced line are microstrip lines including a signal line arranged on one main surface of a substrate and a ground conductor arranged on the other main surface of the substrate. The balun further includes a slot line formed by a aperture line arranged in the ground conductor in the other main surface. The microstrip line as the unbalanced line includes one end portion used as an input/output end and the other end portion that traverses the slot line, electromagnetically couples to the slot line, and functions as an electric short-circuited end. The central portion of the microstrip line as the balanced line traverses the slot line and electromagnetically couples to the slot line. Both ends of this microstrip line serves as the input/output ends.
摘要翻译：在用于不平衡转换用于不平衡输入/输出的不平衡线和用于平衡输入/输出的平衡线的平衡 - 不平衡转换器中，不平衡线和平衡线是微带线，包括布置在基板的一个主表面上的信号线和接地导体布置在基板的另一个主表面上。平衡不平衡变换器还包括由另一个主表面中布置在接地导体中的孔径线形成的槽线。作为不平衡线的微带线包括用作输入/输出端的一个端部和穿过槽线的另一端部，电磁耦合到槽线，并且用作电气短路端。作为平衡线的微带线的中心部分穿过槽线并且电磁耦合到槽线。该微带线的两端用作输入/输出端。

7. 发明授权

US07145404B2 Injection locked high frequency oscillator 有权
标题翻译：注射锁定高频振荡器
公开(公告)号：US07145404B2
公开(公告)日：2006-12-05
申请号：US11046515
申请日：2005-01-28
申请人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
发明人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
IPC分类号： H03B7/12
CPC分类号： H03B5/1852
摘要： A push-push high frequency oscillator comprises a pair of amplifiers for oscillation, a loop-shaped microstrip line for connecting inputs of the pair of amplifiers to each other and connecting outputs of the pair of amplifiers to each other, a slot line disposed between the inputs and the outputs of the pair of amplifiers for electromagnetically coupling with the microstrip line, a nonlinear circuit for enhancing the level of harmonic components in an applied synchronization signal, a coupler circuit for electromagnetically coupling the output of the nonlinear circuit to the microstrip line, and a filter circuit disposed at the output of the nonlinear circuit. The filter circuit filters harmonic components of the synchronization signal such that the two oscillation systems are injected with the same frequency components as the fundamental wave or frequency components twice as high as the fundamental wave to increase frequency stability.
摘要翻译：推挽式高频振荡器包括一对用于振荡的放大器，一个环形微带线，用于将一对放大器的输入彼此连接并将一对放大器的输出彼此连接，一条槽线设置在用于与微带线电磁耦合的一对放大器的输入和输出，用于增强所施加的同步信号中的谐波分量的非线性电路，用于将非线性电路的输出电磁耦合到微带线的耦合器电路，以及设置在非线性电路的输出端的滤波电路。滤波器电路对同步信号的谐波分量进行滤波，使得两个振荡系统以与基波相同的基波或频率分量相同的频率分量被注入，以提高频率稳定性。

8. 发明授权

US07113059B2 Variable-frequency high frequency filter 失效
标题翻译：变频高频滤波器
公开(公告)号：US07113059B2
公开(公告)日：2006-09-26
申请号：US11046155
申请日：2005-01-28
申请人： Fumio Asamura
发明人： Fumio Asamura
IPC分类号： H01P1/203
CPC分类号： H01P1/2013
摘要： A frequency-variable high frequency filter comprises: a substrate; a ground conductor having an opening provided on one principal surface of the substrate; a center conductor provided in the opening to make up a coplanar line resonator with the substrate and the ground conductor; an input line and an output line provided on the other principal surface of the substrate and electromagnetically coupled with the center conductor; and a variable reactance element. The center conductor is divided into two conductor section at the position of the null point of the voltage displacement of a standing wave created in the coplanar line resonator so that the two conductor sections are separated in the longitudinal direction of the center conductor. The variable reactance element is inserted in the center conductor to connect the two conductor sections of the center conductor.
摘要翻译：一种频率可变的高频滤波器，包括：基板; 接地导体，其具有设置在所述基板的一个主表面上的开口; 设置在所述开口中的中心导体以与所述基板和所述接地导体构成共面线谐振器; 设置在基板的另一个主表面上并与中心导体电磁耦合的输入线和输出线; 和可变电抗元件。中心导体在共面线谐振器中产生的驻波的电压位移的零点位置处分成两个导体部分，使得两个导体部分在中心导体的纵向方向上分离。可变电抗元件插入中心导体中以连接中心导体的两个导体部分。

9. 发明申请

US20050184818A1 High frequency oscillator using dielectric resonator 审中-公开
标题翻译：高频振荡器采用介质谐振器
公开(公告)号：US20050184818A1
公开(公告)日：2005-08-25
申请号：US11046542
申请日：2005-01-28
申请人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
发明人： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
IPC分类号： H01P7/10 , H01P5/08 , H03B5/18 , H03B19/18 , H03L7/24
CPC分类号： H03B5/1894
摘要： A second-harmonic oscillator based on push-push oscillation has a pair of amplifiers for oscillation, a high frequency transmission line for connecting inputs of the pair of amplifiers to each other and connecting outputs of the pair of amplifiers to each other, and an electromagnetic coupling member disposed between the inputs and outputs of the pair of amplifiers such that it is electromagnetically coupled to the high frequency transmission line. The electromagnetic coupling member includes at least a dielectric resonator. The pair of amplifiers, high frequency transmission line, and electromagnetic coupling member form two oscillation loops which oscillate in opposite phases to each other with respect to a fundamental wave of oscillation for generating a second harmonic of the fundamental wave.
摘要翻译：基于推挽振荡的二次谐波振荡器具有用于振荡的一对放大器，用于将一对放大器的输入彼此连接并将一对放大器的输出彼此连接的高频传输线，以及电磁耦合构件设置在所述一对放大器的输入和输出之间，使得其与高频传输线电磁耦合。电磁耦合构件至少包括介质谐振器。一对放大器，高频传输线和电磁耦合构件形成两个振荡回路，其相对于用于产生基波的二次谐波的基波振荡彼此相反地振荡。

10. 发明申请

US20050017811A1 Surface-mounted oscillator 有权
标题翻译：表面振荡器
公开(公告)号：US20050017811A1
公开(公告)日：2005-01-27
申请号：US10897977
申请日：2004-07-22
申请人： Fumio Asamura , Kuichi Kubo , Kozo Ono
发明人： Fumio Asamura , Kuichi Kubo , Kozo Ono
IPC分类号： H03B5/32 , H03H9/02 , H03B5/12
CPC分类号： H03B5/32
摘要： A surface-mounted oscillator configured by integrally accommodating an oscillation element, an IC chip, and a circuit element in a surface-mounted package is characterized in that the oscillation element, the IC chip, and the circuit element are arranged in positions in a direction vertical to a mounting surface of the surface-mounted oscillator. The oscillation element may be an oscillation element using bulk wave oscillation, or an oscillation element using surface wave oscillation.
摘要翻译：将表面安装的振荡元件，IC芯片和电路元件整体地容纳在表面安装封装中的表面安装振荡器的特征在于，振荡元件，IC芯片和电路元件被布置在方向垂直于表面安装振荡器的安装表面。振荡元件可以是使用体波振荡的振荡元件，也可以是使用表面波振荡的振荡元件。

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