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    • 21. 发明授权
    • PLL apparatus
    • PLL装置
    • US07755436B2
    • 2010-07-13
    • US12225565
    • 2007-03-20
    • Naoki OnishiShunichi WakamatsuTsuyoshi Shiobara
    • Naoki OnishiShunichi WakamatsuTsuyoshi Shiobara
    • H03L7/08H03L7/14
    • H03L7/091H03L7/085H03L7/093H03L7/146H03L7/185H03L2207/12
    • Provided is a PLL apparatus outputting a frequency signal from a voltage-controlled oscillation unit in synchronization with an external reference frequency signal, in which the fluctuation of the frequency is reduced even when the external reference signal has a troubleFor solving the problem, as a result of monitoring the signal level of the external reference frequency signal, when its signal level falls within a set range, data regarding a phase difference created by a phase difference data creating means is used for the PLL control, but when the signal level does not fall within the set range, it is recognized that the supply of the signal has been stopped or the supplied signal has abnormality and the data regarding the phase difference stored in a storage unit, for example, the stored latest data or the pre-created data is used instead for the PLL control.
    • 提供了一种PLL装置,与外部参考频率信号同步地输出来自压控振荡单元的频率信号,其中即使外部参考信号有问题,频率的波动也减小为了解决问题,作为 监视外部参考频率信号的信号电平的结果,当其信号电平落在设定范围内时,由相位差数据产生装置产生的相位差的数据用于PLL控制,但是当信号电平不 在设定范围内,认识到信号的供给已经停止或者提供的信号具有异常,以及存储在存储单元中的相位差的数据,例如存储的最新数据或预先创建的数据 用于PLL控制。
    • 22. 发明申请
    • PLL Apparatus
    • PLL装置
    • US20090146742A1
    • 2009-06-11
    • US12225565
    • 2007-03-20
    • Naoki OnishiShunichi WakamatsuTsuyoshi Shiobara
    • Naoki OnishiShunichi WakamatsuTsuyoshi Shiobara
    • H03L7/14
    • H03L7/091H03L7/085H03L7/093H03L7/146H03L7/185H03L2207/12
    • It is an object of the present invention to provide a PLL apparatus outputting a frequency signal from a voltage-controlled oscillation unit in synchronization with an external reference frequency signal, in which the fluctuation of the frequency is reduced even when the external reference signal has a trouble.As a concrete means for solving the problem, as a result of monitoring the signal level of the external reference frequency signal, when its signal level falls within a set range, data regarding a phase difference created by a phase difference data creating means is used for the PLL control, but when the signal level does not fall within the set range, it is recognized that the supply of the signal has been stopped or the supplied signal has abnormality and the data regarding the phase difference stored in a storage unit, for example, the stored latest data or the pre-created data is used instead for the PLL control.
    • 本发明的目的是提供一种与外部基准频率信号同步地从压控振荡单元输出频率信号的PLL装置,其中即使当外部参考信号具有 麻烦。 作为解决问题的具体手段,作为监视外部参考频率信号的信号电平的结果,当其信号电平落在设定范围内时,由相位差数据产生装置产生的相位差的数据用于 PLL控制,但是当信号电平不在设定范围内时,认识到信号的供给已经停止,或者所提供的信号有异常,存储在存储单元中的关于相位差的数据例如 ,存储的最新数据或预先创建的数据被用于PLL控制。
    • 23. 发明申请
    • Component Measuring Device
    • 元件测量装置
    • US20080129148A1
    • 2008-06-05
    • US11792965
    • 2005-12-14
    • Shunichi WakamatsuTsuyoshi ShiobaraTsukasa KobataNaoki Onishi
    • Shunichi WakamatsuTsuyoshi ShiobaraTsukasa KobataNaoki Onishi
    • H01L41/04G01N5/02
    • G01N29/036G01N2291/0256
    • An object of the present invention is to perform measuring work easily when detecting the presence or absence of an object to be measured or the concentration thereof using a plurality of quartz sensors equipped with a Langevin type quartz resonator. As a concrete means for solving the problem, a quartz sensor 3 equipped with a quartz resonator 30 forming an adsorbing layer to adsorb a target component to be measured on one surface side and coming into contact with an airtight space on the other surface side is installed in a printed circuit board 4 via a base 5. A plurality of quartz sensors 3 is detachably installed respectively in a plurality of connecting terminal units provided in a horizontal arrangement on a side surface 21 of the measuring device main unit 2 via a connecting terminal unit 41 formed on an end of the printed circuit board 4 in a state that the above-described adsorbing layer faces upward. The measuring device main unit 2 includes an oscillation circuit 71 electrically connected to the quartz sensor 3, detects the variation of the natural frequency of the quartz resonator due to coming the sample solution into contact with the above-described adsorbing layer, and measures at least one of the presence of the target component to be measured or the concentration of the target component in the sample solution based on the detection result.
    • 本发明的目的在于,利用配备有朗格文型石英振子的多个石英传感器检测被测定物的存在或不存在或其浓度,容易进行测量工作。 作为解决问题的具体手段,安装了形成吸附层的石英传感器3,吸附层吸附要测量的目标成分并与另一表面侧的气密接触接触, 在基板5的印刷电路板4中,多个石英传感器3经由连接端子单元分别安装在测量装置主体2的侧面21上的水平配置的多个连接端子单元中 41形成在印刷电路板4的端部上,处于上述吸附层朝上的状态。 测量装置主体2包括电连接到石英传感器3的振荡电路71,检测由于样品溶液与上述吸附层接触而导致的石英谐振器的固有频率的变化,并且至少测量 基于检测结果,待测量的目标成分的存在或样品溶液中的目标成分的浓度之一。
    • 24. 发明授权
    • PLL apparatus
    • PLL装置
    • US07812651B2
    • 2010-10-12
    • US12225573
    • 2007-03-30
    • Shunichi WakamatsuTsuyoshi ShiobaraNaoki Onishi
    • Shunichi WakamatsuTsuyoshi ShiobaraNaoki Onishi
    • H03L7/06
    • H03L7/087H03L7/091H03L7/093
    • Provided is a PLL apparatus realizing extremely high frequency stability. As a concrete means for solving the problem, an A/D (analog/digital) conversion unit samples a standard signal based on 40 MHz frequency signal, which is a rectangular wave, from an oven controlled crystal oscillator (OCXO), and an orthogonal transformation unit applies orthogonal transformation to a digital signal from the A/D conversion unit to extract a real part (I) and an imaginary part (Q) which are complex expression of a phase vector equivalent to a phase difference between the standard signal and the frequency signal from the OCXO. An angular velocity of this vector is detected and a direct-current voltage according to the angular velocity is generated and supplied to the OCXO via a PWM control unit.
    • 提供了实现极高频率稳定性的PLL装置。 作为解决问题的具体手段,A / D(模拟/数字)转换单元基于来自烤箱控制的晶体振荡器(OCXO)的40MHz频率信号(矩形波)对正交信号进行采样, 变换单元对来自A / D转换单元的数字信号进行正交变换,提取作为标准信号和相位差的相位差的相位矢量的复数表达式的实部(I)和虚部(Q) 来自OCXO的频率信号。 检测该矢量的角速度,并产生根据角速度的直流电压,并通过PWM控制单元将其提供给OCXO。
    • 25. 发明授权
    • Component measuring device
    • 元件测量装置
    • US07554247B2
    • 2009-06-30
    • US11792965
    • 2005-12-14
    • Shunichi WakamatsuTsuyoshi ShiobaraTsukasa KobataNaoki Onishi
    • Shunichi WakamatsuTsuyoshi ShiobaraTsukasa KobataNaoki Onishi
    • H01L41/053
    • G01N29/036G01N2291/0256
    • An object of the present invention is to perform measuring work easily when detecting the presence or absence of an object to be measured or the concentration thereof using a plurality of quartz sensors equipped with a Langevin type quartz resonator. As a concrete means for solving the problem, a quartz sensor 3 equipped with a quartz resonator 30 forming an adsorbing layer to adsorb a target component to be measured on one surface side and coming into contact with an airtight space on the other surface side is installed in a printed circuit board 4 via a base 5. A plurality of quartz sensors 3 is detachably installed respectively in a plurality of connecting terminal units provided in a horizontal arrangement on a side surface 21 of the measuring device main unit 2 via a connecting terminal unit 41 formed on an end of the printed circuit board 4 in a state that the above-described adsorbing layer faces upward. The measuring device main unit 2 includes an oscillation circuit 71 electrically connected to the quartz sensor 3, detects the variation of the natural frequency of the quartz resonator due to coming the sample solution into contact with the above-described adsorbing layer, and measures at least one of the presence of the target component to be measured or the concentration of the target component in the sample solution based on the detection result.
    • 本发明的目的在于,利用配备有朗格文型石英振子的多个石英传感器检测被测定物的存在或不存在或其浓度,容易进行测量工作。 作为解决该问题的具体手段,安装了形成吸附层的石英传感器3,吸附层吸附被测定对象成分并与另一面侧的气密接触部接触, 在基板5的印刷电路板4中,多个石英传感器3经由连接端子单元分别安装在测量装置主体2的侧面21上的水平配置的多个连接端子单元中 41形成在印刷电路板4的端部上,处于上述吸附层朝上的状态。 测量装置主体2包括电连接到石英传感器3的振荡电路71,检测由于样品溶液与上述吸附层接触而导致的石英谐振器的固有频率的变化,并且至少测量 基于检测结果,待测量的目标成分的存在或样品溶液中的目标成分的浓度之一。
    • 28. 发明授权
    • Sensing device
    • 感应装置
    • US08601859B2
    • 2013-12-10
    • US12802833
    • 2010-06-15
    • Shunichi Wakamatsu
    • Shunichi Wakamatsu
    • G01N29/02G01N29/36
    • G01N29/022G01N2291/02466
    • To provide a sensing device capable of easily sensing a substance to be sensed with high accuracy. When sensing, by supplying a sample solution to an absorption layer 46 while oscillating a quartz-crystal resonator 4 to make the absorption layer absorb a substance to be sensed in the sample solution, the substance to be sensed based on an amount of variation in an oscillation frequency of the quartz-crystal resonator 4 after an absorption time elapses, the quartz-crystal resonator 4 is oscillated, before supplying the sample solution to the absorption layer 46, to measure the oscillation frequency of the quartz-crystal resonator 4 at a predetermined measurement interval, for instance, at every one second, and the oscillation frequency of the quartz-crystal resonator 4 is stabilized for the same period of time as a measuring time 19 until the measurement result becomes equal to or less than a frequency tolerance value 19b previously set based on a measurement sensitivity of the substance to be sensed.
    • 提供能够以高精度容易地感测待检测物质的感测装置。 当感测时,通过在振荡石英晶体谐振器4的同时向吸收层46提供样品溶液以使吸收层吸收样品溶液中要感测的物质,基于变化量 经过吸收时间之后的石英晶体振荡器4的振荡频率,在将样品溶液供应至吸收层46之前,石英晶体谐振器4振荡,以预定的方式测量石英谐振器4的振荡频率 测量间隔,例如每1秒钟,并且石英谐振器4的振荡频率在测量时间19稳定相同的时间段,直到测量结果变得等于或小于频率容差值19b 基于待感测物质的测量灵敏度预先设定。
    • 29. 发明授权
    • Sensing device
    • 感应装置
    • US08029741B2
    • 2011-10-04
    • US12159139
    • 2006-12-27
    • Shunichi Wakamatsu
    • Shunichi Wakamatsu
    • G01N33/00
    • G01N29/036G01N5/02G01N29/4427G01N2291/0215G01N2291/0224G01N2291/0256
    • An object of the present invention is to provide a sensing device capable of easily grasping whether or not a concentration of a sensing target is equal to or less than a standard value.As a concrete means for solving the problem, a sensing device which senses, using a piezoelectric vibrator provided with an adsorbing layer for adsorbing a sensing target and electrodes, and having a natural frequency varied by an absorption of the sensing target, the sensing target by the variation of the natural frequency of the piezoelectric vibrator, is structured to include an oscillation circuit for oscillating the piezoelectric vibrator, a measuring section for measuring a concentration of the sensing target based on an oscillation output from the oscillation circuit, a storage section for storing data in which a plurality of sensing targets and their standard concentrations are corresponded to each other, a selecting unit for selecting the sensing target, a data processing section for reading out the standard concentration corresponding to the sensing target selected by the selecting unit from the storage section and comparing the standard concentration with a concentration detection value detected by the measuring section, and an output section for outputting a comparison result compared by the data processing section.
    • 本发明的目的是提供一种能够容易地掌握感测对象的浓度是否等于或小于标准值的感测装置。 作为解决该问题的具体手段,使用设置有用于吸附感测对象和电极的吸附层并具有由感测对象的吸收而变化的固有频率的压电振动器的感测装置,感测对象由 压电振动器的固有频率的变化被构造为包括用于振荡压电振动器的振荡电路,用于基于来自振荡电路的振荡输出来测量感测对象的浓度的测量部分,用于存储 其中多个感测对象及其标准浓度彼此对应的数据,用于选择感测对象的选择单元,用于从存储器读出与选择单元选择的感测对象对应的标准浓度的数据处理部 并将标准浓度与浓度比较 由测量部分检测的电平值,以及用于输出由数据处理部分比较的比较结果的输出部分。
    • 30. 发明申请
    • Sensing device
    • 感应装置
    • US20100329928A1
    • 2010-12-30
    • US12803228
    • 2010-06-22
    • Tomoya YoritaShunichi WakamatsuShigenori WatanabeTakeru Mutoh
    • Tomoya YoritaShunichi WakamatsuShigenori WatanabeTakeru Mutoh
    • G01N33/00
    • G01N15/00Y10T436/11Y10T436/25375
    • To provide a sensing device using a piezoelectric sensor having an oscillation area for detection and an oscillation area for reference and capable of achieving a high measurement sensitivity by improving shapes of excitation electrodes. On a quartz-crystal piece 20a, there are provided strip-shaped left side area and right side area which are formed symmetrically to be separated from each other into left and right with respect to a center of a circle 53 being a contour of a planar shape of a reaction channel 52 and extend in a longitudinal direction in a parallel manner. Each of the areas is set to have a size in which both corner portions 100 on the left side of the left side area and both corner portions 100 on the right side of the right side area protrude to the outside of the circle 53, the corner portions 100 that protrude to the outside are cut to make the left side area and the right side area position inside of the circle 53, and an excitation electrode 21a for measurement and an excitation electrode 21b for reference are respectively formed on the right side area and the left side area.
    • 为了提供使用具有用于检测的振荡区域和用于参考的振荡区域的压电传感器的感测装置,并且能够通过改善激励电极的形状来实现高测量灵敏度。 在石英片20a上,设有条形左侧区域和右侧区域,它们对称地形成为相对于圆53的中心彼此分离的左侧和右侧,该中心是平面的轮廓 反应通道52的形状并且以纵向方向平行地延伸。 每个区域被设定为具有左侧区域左侧的两个角部100和右侧区域右侧的两个角部100向圆53的外侧突出的尺寸, 将向外侧突出的部分100切割成在圆53内部的左侧区域和右侧区域位置,并且在右侧区域分别形成用于测量的激励电极21a和用于参考的激励电极21b, 左侧区域。