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    • 11. 发明申请
    • Sensing device
    • 感应装置
    • US20100319736A1
    • 2010-12-23
    • US12802472
    • 2010-06-08
    • Shunichi WakamatsuTomoya YoritaHiroyuki KukitaWakako Shinobu
    • Shunichi WakamatsuTomoya YoritaHiroyuki KukitaWakako Shinobu
    • B08B3/00G01N29/02G06F19/00
    • G01N29/022G01N29/245G01N29/4436G01N2291/014G01N2291/022
    • To provide a sensing device having a high processing power and capable of high-accuracy measurement. It is determined whether or not an oscillation frequency is stabilized while a buffer solution is supplied to a quartz-crystal resonator 4 from a syringe pump 10. When it is determined that the frequency is stabilized, a second valve 14 is switched to a sample solution supply mode to supply a sample solution in an injection loop 14a to the quartz-crystal resonator 4. An instant at which the sample solution reaches the quartz-crystal resonator 4 and an instant at which the sample solution finishes passing through the quartz-crystal resonator 4 are automatically found based on a supply flow rate of the buffer solution, a volume of the injection loop 14a, a volume of a supply channel supplying the sample solution to the quartz-crystal resonator 4, and an instant at which the second valve 14 is switched to the sample solution supply mode. An oscillation frequency before the sample solution reaches the quartz-crystal resonator 4 and an oscillation frequency after the sample solution passes through the quartz-crystal resonator 4 are found, and a difference between the oscillation frequencies is obtained.
    • 提供具有高处理能力并能够进行高精度测量的感测装置。 当从注射泵10将缓冲溶液提供给石英晶体谐振器4时,确定振荡频率是否稳定。当确定频率稳定时,将第二阀14切换到样品溶液 供给模式以将注入环路14a中的样品溶液供应到石英晶体谐振器4.样品溶液到达石英晶体谐振器4的时刻和样品溶液完成通过石英晶体谐振器的时刻 基于缓冲溶液的供给流量,注入环路14a的体积,向石英晶体谐振器4供给样品溶液的供给通道的体积以及第二阀14的时刻自动找到图4 切换到样品溶液供应模式。 发现在样品溶液到达石英晶体谐振器4之前的振荡频率和样品溶液通过石英晶体谐振器4之后的振荡频率,并且获得振荡频率之间的差异。
    • 12. 发明申请
    • SENSING DEVICE
    • 感应装置
    • US20100095751A1
    • 2010-04-22
    • US12449857
    • 2008-03-06
    • Hiroyuki KukitaShunichi Wakamatsu
    • Hiroyuki KukitaShunichi Wakamatsu
    • G01N5/02
    • G01N29/036G01N5/02G01N29/0609G01N2291/014G01N2291/0255G01N2291/0256G01N2291/02809G01N2291/02818
    • An object of the present invention is to provide a sensing device capable of easily and collectively displaying, based on pieces of time-series data of frequencies of piezoelectric resonators obtained for each concentration of a substance to be absorbed in solutions, pieces of variation data of the frequencies for each concentration caused by an absorption of the substance to be absorbed, in a state of aligning absorption start points.A main structure of the present invention is composed of a unit for setting an absorption start point of a substance to be absorbed in pieces of time-series data, and an editor for performing processing to combine and display at least frequency variation regions in the pieces of time-series data in a state of aligning the absorption start points of the substance to be absorbed. The setting conducted by the unit for setting the absorption start point of the is substance to be absorbed is realized when, for instance, an operator positions a pointer and clicks on the time-series data displayed on a display section, or when an absorption start signal is output at the time of supplying a solution to a sensing sensor.
    • 本发明的目的是提供一种感测装置,其能够基于针对待溶解的物质的每种浓度获得的压电谐振器的频率的时间序列数据容易地和一体地显示, 在吸收起点对齐的状态下,由吸收物质的吸收引起的各浓度的频率。 本发明的主要结构由用于设定要被时间序列数据吸收的物质的吸收开始点的单元和编辑器组成,该编辑器用于进行至少组合并显示频率变化区域的处理 在待吸收物质的吸收开始点的对准状态下的时间序列数据。 例如,当操作者放置指针并点击显示在显示部分上的时间序列数据时,或当吸收开始时,实现用于设定吸收开始点的单元的设置是被吸收的物质 在向感测传感器提供解决方案时输出信号。
    • 15. 发明授权
    • Sensing device, sensing system, and sensing method
    • 感应装置,传感系统和传感方法
    • US09164063B2
    • 2015-10-20
    • US13586879
    • 2012-08-16
    • Hiroyuki KukitaShunichi WakamatsuWakako Shinobu
    • Hiroyuki KukitaShunichi WakamatsuWakako Shinobu
    • G01N29/00G01N29/036G01N15/06
    • G01N29/036G01N15/06G01N2291/0256
    • A sensing device is to be connected to a piezoelectric resonator for sensing a target substance in a sample fluid based on oscillation frequency of the piezoelectric resonator. The sensing device includes an oscillator circuit, a voltage supply unit, an information obtaining unit, and a voltage adjusting unit. The oscillator circuit is commonalized for a plurality kinds of piezoelectric resonators. The voltage supply unit is configured to supply a DC drive voltage to the oscillator circuit. The information obtaining unit is configured to obtain type information of a piezoelectric resonator which is connected to the oscillator circuit. The voltage adjusting unit is configured to adjust the DC drive voltage to a voltage corresponding to the connected piezoelectric resonator based on the type information obtained by the information obtaining unit.
    • 感测装置将连接到压电谐振器,用于基于压电谐振器的振荡频率感测样品流体中的目标物质。 感测装置包括振荡电路,电压供应单元,信息获取单元和电压调节单元。 对于多种压电谐振器,振荡电路是共用的。 电压供应单元被配置为向振荡器电路提供DC驱动电压。 信息获取单元被配置为获得连接到振荡器电路的压电谐振器的类型信息。 电压调整单元被配置为基于由信息获取单元获得的类型信息将直流驱动电压调整到与所连接的压电谐振器相对应的电压。
    • 16. 发明授权
    • Sensing device
    • 感应装置
    • US09086338B2
    • 2015-07-21
    • US13134866
    • 2011-06-20
    • Wakako ShinobuHiroyuki KukitaTomoya YoritaShunichi Wakamatsu
    • Wakako ShinobuHiroyuki KukitaTomoya YoritaShunichi Wakamatsu
    • G01N5/02
    • G01N5/02
    • To provide a sensing device that holds a piezoelectric sensor and a channel forming member placed on the sensor in a closely contacted state while maintaining a shape of space of a passage space formed inside the device. In a sensing device 1100 that senses a substance to be sensed based on a variation in an oscillation frequency caused by an absorption of the substance to be sensed in an absorption layer provided on a piezoelectric resonator 1720 of a piezoelectric sensor 1700, a holding member 1600 holds the piezoelectric sensor 1700 and a channel forming member 1730 that forms a passage space through which a sample fluid passes on an upper surface side of the sensor, in a vertically stacked state. A cover member 1510 is placed on the channel forming member 1730, and a pressing part 1350 which is raised/lowered by a first raising/lowering mechanism 1300 presses the cover member 1510 placed on the channel forming member 1730 downward with a previously set force.
    • 提供一种感测装置,其保持紧密接触状态下放置在传感器上的压电传感器和通道形成构件,同时保持形成在装置内部的通道空间的形状。 在感测装置1100中,基于由设置在压电传感器1700的压电谐振器1720上的吸收层中的被吸收物质的吸收引起的振荡频率的变化来感测待检测物质,保持部件1600 保持压电传感器1700和通道形成部件1730,其形成在垂直堆叠状态下样品流体在传感器的上表面侧通过的通道空间。 盖构件1510放置在通道形成构件1730上,并且通过第一升降机构1300升高/降低的按压部1350以预先设定的力将向下设置在通道形成构件1730上的盖构件1510按压。
    • 18. 发明授权
    • Sensing instrument
    • 感应仪器
    • US07982451B2
    • 2011-07-19
    • US12311261
    • 2007-09-27
    • Naoki OnishiHiroyuki KukitaShunichi Wakamatsu
    • Naoki OnishiHiroyuki KukitaShunichi Wakamatsu
    • G01N27/00G01R23/14
    • G01N29/022G01N5/02G01N29/036G01N29/36G01N29/42G01N29/4427G01N2291/0255G01N2291/0256G01N2291/0426
    • In adopting a structure in which an oscillator circuit unit and an instrument main body including a measuring unit are separately formed in a sensing instrument measuring the concentration of or determining the presence/absence of a substance to be sensed by using a quartz sensor, the present invention has an object to enable the instrument main body side to know an oscillation frequency of the connected oscillator circuit unit. A plurality of band-pass filters having pass characteristics corresponding to oscillation frequencies of the oscillator circuits respectively are provided in the instrument main body side to sort frequency signals, it is determined whether or not levels of the sorted frequency signals are equal to or higher than a threshold value, and a switching unit is controlled so as to connect a channel having a signal level equal to or higher than the threshold value to the measuring unit, and a reference frequency used in the measuring unit, for instance, is selected according to the frequency of the frequency signal corresponding to this channel.
    • 采用在通过使用石英传感器测量待检测物质的浓度或存在/不存在的感测装置中分别形成振荡器电路单元和包括测量单元的仪器主体的结构时,本发明 本发明的目的是使仪器主体侧能够知道连接的振荡器电路单元的振荡频率。 在仪器主体侧分别设置多个具有与振荡电路的振荡频率相对应的通过特性的带通滤波器,对频率信号进行分频,判定分频频率信号的电平是否等于或高于 控制阈值和切换单元以将具有等于或高于阈值的信号电平的信道连接到测量单元,并且例如根据测量单元选择用于测量单元的参考频率 与该通道对应的频率信号的频率。
    • 19. 发明申请
    • PIEZOELECTRIC SENSOR AND SENSING INSTRUMENT
    • 压电传感器和感应仪器
    • US20090288488A1
    • 2009-11-26
    • US12454518
    • 2009-05-19
    • Junichiro YamakawaKazuo AkaikeTakeru MutohHiroyuki Kukita
    • Junichiro YamakawaKazuo AkaikeTakeru MutohHiroyuki Kukita
    • G01N29/00H01L41/047
    • H01L41/1132H01L41/042
    • To provide a piezoelectric sensor in which a first electrode for measurement and a second electrode for reference are provided apart from each other on one surface side of a piezoelectric piece and a common electrode is provided on the other surface side so as to face the first and second electrodes, and which achieves highly reliable oscillation by reducing the influence of electrical coupling between the first electrode and the second electrode. A piezoelectric sensor includes: a first electrode for measurement and a second electrode for reference provided apart from each other on one surface side of a piezoelectric piece; a common electrode provided on the other surface side of the piezoelectric piece commonly for the first electrode and the second electrode to face the first electrode and the second electrode; and an adsorption layer formed on an area, of the common electrode, to which the first electrode is projected, to adsorb a substance to be sensed. This structure prevents the first electrode and the second electrode from being electrically coupled due to the impedance of the sample fluid.
    • 提供一种压电传感器,其中第一测量用电极和第二参考用电极在压电片的一个表面侧彼此分开设置,并且公共电极设置在另一个表面侧上以面向第一和 第二电极,并且通过减少第一电极和第二电极之间的电耦合的影响来实现高度可靠的振荡。 一种压电传感器包括:用于测量的第一电极和用于在压电片的一个表面侧彼此分开的第二参考电极; 在所述压电片的另一个表面侧上设置的公共电极,所述公共电极通常用于所述第一电极,所述第二电极与所述第一电极和所述第二电极相对; 以及形成在所述公共电极的与所述第一电极投影的区域上的吸附层,以吸附待感测的物质。 这种结构防止了第一电极和第二电极由于样品流体的阻抗而电耦合。
    • 20. 发明授权
    • Piezoelectric sensor and sensing instrument
    • 压电传感器和传感仪器
    • US08176773B2
    • 2012-05-15
    • US12454518
    • 2009-05-19
    • Junichiro YamakawaKazuo AkaikeTakeru MutohHiroyuki Kukita
    • Junichiro YamakawaKazuo AkaikeTakeru MutohHiroyuki Kukita
    • G01N29/036H01L41/047
    • H01L41/1132H01L41/042
    • To provide a piezoelectric sensor in which a first electrode for measurement and a second electrode for reference are provided apart from each other on one surface side of a piezoelectric piece and a common electrode is provided on an opposite surface side so as to face the first and second electrodes. A piezoelectric sensor includes: a first electrode for measurement and a second electrode for reference provided apart from each other on one surface side of a piezoelectric piece; a common electrode provided on an opposite surface side of the piezoelectric piece commonly for the first electrode and the second electrode to face the first electrode and the second electrode; and an adsorption layer formed on an area, of the common electrode, to which the first electrode is faced across the piezoelectric piece, to adsorb a substance to be sensed.
    • 为了提供一种压电传感器,其中用于测量的第一电极和用于参考的第二电极彼此分离地设置在压电片的一个表面侧上,并且公共电极设置在相对的表面侧上以面对第一和 第二电极。 一种压电传感器包括:用于测量的第一电极和用于在压电片的一个表面侧彼此分开的第二参考电极; 公共电极,设置在压电片的相对表面侧,通常用于第一电极,第二电极与第一电极和第二电极相对; 以及形成在所述公共电极与所述第一电极面对所述压电片的区域上的吸附层,以吸附待感测的物质。