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    • 2. 发明专利
    • Quartz sensor and sensing device
    • QUARTZ传感器和感应装置
    • JP2006029873A
    • 2006-02-02
    • JP2004206479
    • 2004-07-13
    • National Institute Of Advanced Industrial & TechnologyNippon Dempa Kogyo Co Ltd日本電波工業株式会社独立行政法人産業技術総合研究所
    • KOYAMA MITSUAKIWAKAMATSU SHUNICHIFURUHATA TSUKASAKUROSAWA SHIGERUAIZAWA HIDENOBU
    • G01N5/02
    • PROBLEM TO BE SOLVED: To facilitate airtight sealing work to prevent the cracking of a thin quartz piece during the work in a quartz sensor wherein the quartz piece is airtightly sealed on its other surface side using a base body and a sensing substance is adsorbed on one side of the quartz piece to change the natural vibration frequency of the quartz piece. SOLUTION: One exciting electrode and one extraction electrode are formed on one side of the quartz piece, and the other exciting electrode and the other extraction electrode are formed on the other side but the extraction electrode on the other side of the quartz piece is turned toward one side and a pair of support wire members are respectively connected and fixed to the respective extraction electrodes on one side of the quartz piece. By this constitution, the support wire members are not present on the other side of the quartz piece. Further, the frame part provided so as to demarcate the housing region of the quartz piece, the recess formed to the central part of the base of the housing region and a receiver for receiving a holding member are provided as the base body and the frame part is constituted so as to control the position of the peripheral edge of the quartz piece so as to allow the exciting electrodes to face the inside of the recess. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了便于气密密封工作,以防止石英传感器工作期间的薄石英片的破裂,其中石英片使用基体和感测物质在其另一表面侧气密密封 吸附在石英片的一侧,以改变石英片的固有振动频率。 解决方案:在石英片的一侧形成一个激励电极和一个引出电极,另一个激励电极和另一个引出电极形成在另一侧,但在石英片另一侧的引出电极 分别连接并固定在石英片一侧的各个提取电极上。 通过这种构造,支撑线构件不存在于石英片的另一侧。 此外,框架部分被设置为划分石英片的壳体区域,形成到壳体区域的基部的中心部分的凹部和用于容纳保持构件的接收器设置为基体,并且框架部分 构成为控制石英片的周缘的位置,以使激发电极面对凹部的内部。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Sensing device
    • 感应装置
    • JP2012173274A
    • 2012-09-10
    • JP2011038937
    • 2011-02-24
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • KUKITA HIROYUKIWAKAMATSU SHUNICHISHINOBU WAKAKO
    • G01N5/02
    • G01N29/022G01N29/036G01N2291/0255G01N2291/0256G01N2291/0427
    • PROBLEM TO BE SOLVED: To provide technique capable of highly accurately detecting an object to be sensed in a sample solution.SOLUTION: A sensing device is constituted so that an oscillation circuit is shared by a first piezoelectric vibrator and a second piezoelectric vibrator by switching connection to the oscillation circuit, the impedance of a conductive path including a first one-side excitation electrode composing the first piezoelectric vibrator and the impedance of a conductive path including a second one-side excitation electrode composing the second piezoelectric vibrator coincide with each other from the oscillation circuit and the impedance of a conductive path including a first other-side excitation electrode composing the first piezoelectric vibrator and the impedance of a conductive path including a second other-side excitation electrode composing the second piezoelectric vibrator coincide with each other from the oscillation circuit.
    • 要解决的问题:提供能够在样品溶液中高精度地检测待感测物体的技术。 解决方案:感测装置被构造成使得振荡电路由第一压电振动器和第二压电振动器共享,通过切换到振荡电路的连接,包括构成第一单侧激励电极的导电路径的阻抗 第一压电振动器和包括构成第二压电振动器的第二单侧激励电极的导电路径的阻抗从振荡电路彼此一致,并且包括构成第一压电振子的第一另一侧激励电极的导电路径的阻抗 压电振动器和构成第二压电振子的包括第二另一侧激励电极的导电路径的阻抗从振荡电路相互重合。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Sensing device
    • 感应装置
    • JP2011027717A
    • 2011-02-10
    • JP2010076194
    • 2010-03-29
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • YODA TOMOYAWAKAMATSU SHUNICHIWATANABE SHIGENORIMUTO TAKESHI
    • G01N9/00H01L41/08H01L41/18H03H9/19
    • G01N15/00Y10T436/11Y10T436/25375
    • PROBLEM TO BE SOLVED: To provide a sensing device using a piezoelectric sensor having a detection vibration region and a reference vibration region and capable of obtaining high measuring sensitivity by improving the shape of an excitation electrode. SOLUTION: Short strip shaped right and left regions respectively extending before and behind in parallel are symmetrically formed so as to be mutually spaced apart right and left from each other with respect to the center of the circle 53 having a planar contour of the reaction flow channel 52 in a quartz piece 20a. These regions are set to sizes so that both corners 100 on the left side of the left region and both corners 100 on the right side of the right region fly out to the outside from the circle 53. The right and left regions are set so as to be positioned inside the circle 53 by cutting off the corners 100 flying out to the outside, and a measuring excitation electrode 21a and a reference excitation electrode 21b are formed to the right and left regions, respectively. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种使用具有检测振动区域和参考振动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获得高测量灵敏度。 解决方案:分别在平行前后延伸的短条状的左右区域对称地形成为相对于具有平面轮廓的圆53的中心彼此相互间隔开左右彼此 石英片20a中的反应流动通道52。 这些区域被设定为尺寸,使得左区域左侧的拐角100和右侧区域右侧的两个角落100从圆圈53飞出到外部。左右区域被设定为 通过切断飞出外部的拐角100而分别位于圆53内,测量激励电极21a和基准激励电极21b分别形成在左右区域。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Sensor
    • 传感器
    • JP2011022139A
    • 2011-02-03
    • JP2010124848
    • 2010-05-31
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • WAKAMATSU SHUNICHIYODA TOMOYAKUKITA HIROYUKISHINOBU WAKAKO
    • G01N5/02
    • G01N29/022G01N29/245G01N29/4436G01N2291/014G01N2291/022
    • PROBLEM TO BE SOLVED: To provide a sensor having high processing capacity and being capable of performing measurement of high precision. SOLUTION: It is determined whether oscillation frequency is stabilized while a buffer solution is supplied to a quartz vibrator 4 from a syringe pump 10 and, when the oscillation frequency is determined to be stabilized, a second valve 14 is changed over to a sample solution supply mode in order to supply the sample solution in an injection loop 14a to a piezoelectric vibrator to automatically calculate the supply flow rate of the buffer solution, the volume of the injection loop 14a, the volume of a supply passage for supplying the sample solution to the quartz vibrator 4, the point of time when the second valve 14 is changed over to the sample solution supply mode, the point of time when the sample solution arrives at the quartz vibrator 4 and the point of time after the sample solution passes the quartz vibrator 4. The oscillation frequency before the sample solution arrives at the quartz vibrator 4 and the oscillation frequency after the sample solution passes the quartz vibrator are calculated to obtain the difference between both oscillation frequencies. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有高处理能力并能够进行高精度测量的传感器。 解决方案:当从注射泵10向石英振子4提供缓冲溶液时,确定振荡频率是否稳定,并且当确定振荡频率稳定时,将第二阀14切换到 样品溶液供给模式,以将注射回路14a中的样品溶液供应到压电振动器,以自动计算缓冲溶液的供应流量,注射回路14a的体积,用于供给样品的供给通道的体积 石英振动器4的解决方案,第二阀14切换到样品溶液供给模式的时间点,样品溶液到达石英振动器4的时间点和样品溶液通过后的时间点 石英振子4.样品溶液到达石英振子4之前的振荡频率和样品溶液通过石英颤音之后的振荡频率 r被计算以获得两个振荡频率之间的差。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Detection sensor, detection sensor device and detection method
    • 检测传感器,检测传感器装置和检测方法
    • JP2012137483A
    • 2012-07-19
    • JP2011266110
    • 2011-12-05
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • SHINOBU WAKAKOKUKITA HIROYUKIWAKAMATSU SHUNICHI
    • G01N5/02C12M1/34C12Q1/06
    • PROBLEM TO BE SOLVED: To provide a detection sensor, a detection sensor device and a detection method by which cells may be simply and rapidly detected.SOLUTION: Common electrodes 42 are formed on a top face of a quartz piece 41, and excitation electrodes 43A and 43B are formed on a rear face of the quartz piece 41 to be spaced from each other. Amino groups 46b positively charged are adhered, as an absorption layer 46, onto the common electrode 42 disposed above the excitation electrode 43A. HeLa cells negatively charged are adsorbed onto the adsorption layer 46, and regions 4A and 4B disposed between the electrodes 43A and 43B and the common electrodes 42 are respectively excited while supplying an aqueous solution of a culture medium and adriamycin to the adsorption layer 46. In this manner, a difference in oscillation frequency between the regions 4A and 4B corresponding to the number of HeLa cells and variation in a volume thereof may be obtained.
    • 要解决的问题:提供一种检测传感器,检测传感器装置和可以简单且快速地检测细胞的检测方法。 解决方案:公共电极42形成在石英片41的顶面上,并且激发电极43A和43B形成在石英片41的后表面上以彼此间隔开。 作为吸收层46,带正电荷的氨基46b被粘附到设置在激发电极43A上方的公共电极42上。 负电荷的HeLa电池被吸附到吸附层46上,并且分别在电极43A和43B与公共电极42之间设置的区域4A和4B被激发,同时向吸附层46供应培养基和阿霉素的水溶液。 以这种方式,可以获得对应于HeLa电池的数量和其体积变化的区域4A和4B之间的振荡频率的差异。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Sensing device
    • 感应装置
    • JP2012008029A
    • 2012-01-12
    • JP2010144757
    • 2010-06-25
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • SHINOBU WAKAKOKUKITA HIROYUKIYODA TOMOYAWAKAMATSU SHUNICHI
    • G01N5/02
    • PROBLEM TO BE SOLVED: To provide a sensing device that measures a sensing object with high reliability while allowing a sample solution to flow.SOLUTION: A twin-sensor type sensing device comprises a reaction channel 52 having very low height of the channel, and vibrating regions 4A, 4B having a difference in wettability therebetween. Groove portions 55A, 55B that extend from a liquid discharge port 54 toward the vibrating regions 4A, 4B are provided on a channel forming member 5 that forms the reaction channel 52. Accordingly, the deviation of the liquid flow in the reaction channel 52 can be suppressed and retention of the air bubbles in the reaction channel 52 can be prevented.
    • 要解决的问题:提供一种在允许样品溶液流动的同时高度可靠地测量感测对象的感测装置。 解决方案:双传感器型感测装置包括具有非常低的通道高度的反应通道52以及其间的润湿性差异的振动区域4A,4B。 从液体排出口54朝向振动区域4A,4B延伸的槽部55A,55B设置在形成反应通道52的通道形成部件5上。因此,反应通道52中的液体流动的偏离可以是 可以防止气泡在反应通道52中的抑制和保持。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Sensing device
    • 感应装置
    • JP2011227033A
    • 2011-11-10
    • JP2010124862
    • 2010-05-31
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • WAKAMATSU SHUNICHI
    • G01N9/00
    • PROBLEM TO BE SOLVED: To provide a sensing device capable of easily and accurately sensing an object to be sensed.SOLUTION: In a sensing device which supplies a sample solution to an adsorption layer 46 while oscillating a crystal oscillator 4 so as to adsorb an object to be sensed in the sample solution and senses the object on the basis of the amount of change in an oscillation frequency of the crystal oscillator 4 after the adsorption time has passed, before the sample solution is supplied to the adsorption layer 46, the crystal oscillator 4 is oscillated to measure the oscillation frequency of the crystal oscillator 4 at a predetermined measurement interval, for example, every one second, and the oscillation frequency of the crystal oscillator 4 is stabilized until the measurement result reaches a level lower than or equal to a frequency allowance value predetermined on the basis of the measurement sensitivity of the object to be sensed throughout the same time as the measurement time.
    • 要解决的问题:提供能够容易且精确地感测要感测的物体的感测装置。 解决方案:在将振荡晶体振荡器4同时向样品溶液提供样品溶液以便吸附待检测物体的感测装置中,基于变化量感测物体 在吸收时间过去之后的晶体振荡器4的振荡频率中,在将样品溶液供应到吸附层46之前,振荡晶体振荡器4以预定的测量间隔测量晶体振荡器4的振荡频率, 例如每1秒钟,并且晶体振荡器4的振荡频率稳定,直到测量结果达到低于或等于基于所检测对象的测量灵敏度所预定的频率允许值的水平 同时测量时间。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Sensing device
    • 感应装置
    • JP2011022141A
    • 2011-02-03
    • JP2010139864
    • 2010-06-18
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • KUKITA HIROYUKIWAKAMATSU SHUNICHIYAMAKAWA JUNICHIROYODA TOMOYASHINOBU WAKAKO
    • G01N5/02
    • PROBLEM TO BE SOLVED: To automatically select an oscillation circuit according to piezoelectric sensors when the piezoelectric sensors of mutually different types are mounted to a connection terminal in a device that sucks an object to be sensed by forming a suction layer on the surface of a piezoelectric vibrator and senses the object to be sensed in a sample fluid according to a change in an oscillation frequency. SOLUTION: Connection terminals are commonalized to quartz sensors 5, 6 of mutually different types; a connection terminal 21 is provided at pre-stage sides of oscillation circuits 40, 41 for oscillating the quartz sensors 5, 6, respectively; and a connection terminal 22 connected to a detection part 31 is provided at post-stage sides of the oscillation circuits 40, 41. Further, connection of the connection terminal 21 and the oscillation circuits 40, 41 is changed by a switch part 43 and connection of the connection terminal 22 and the oscillation circuits 40, 41 is changed by a switch part 44, thus maintaining the connection state when the detection part 31 detects signal not less than a threshold. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:当将相互不同类型的压电传感器安装在通过在表面上形成吸力层吸吸待检测物体的装置中的连接端子时,根据压电传感器自动选择振荡电路 的压电振动器,并且根据振荡频率的变化感测在样品流体中要被感测的物体。

      解决方案:连接端子与相互不同类型的石英传感器5,6通用; 连接端子21设置在振荡电路40,41的前段侧,用于分别振荡石英传感器5,6; 并且在振荡电路40,41的后级侧设置与检测部31连接的连接端子22.另外,连接端子21与振荡电路40,41的连接通过开关部43而进行连接,连接 连接端子22和振荡电路40,41由开关部分44改变,从而当检测部分31检测到不小于阈值的信号时保持连接状态。 版权所有(C)2011,JPO&INPIT

    • 10. 发明专利
    • Pll apparatus
    • PLL装置
    • JP2007274612A
    • 2007-10-18
    • JP2006100614
    • 2006-03-31
    • Nippon Dempa Kogyo Co Ltd日本電波工業株式会社
    • ONISHI NAOKIWAKAMATSU SHUNICHISHIOBARA TAKESHI
    • H03L7/14H03L7/091H03L7/093
    • H03L7/091H03L7/085H03L7/093H03L7/146H03L7/185H03L2207/12
    • PROBLEM TO BE SOLVED: To provide a PLL apparatus in which a frequency signal that is synchronized with a reference frequency signal from outside is output from a voltage-controlled oscillator, wherein frequency deviation is suppressed even when a fault occurs in the reference signal from outside. SOLUTION: The signal level of the reference frequency signal from outside is monitored, and when the signal level is within a set range, the PLL control is performed using the phase-difference related data produced by a phase-difference data producing means, while, when the signal level is out of the set range, the PLL control is performed by switching to the phase-difference related data stored in a storage, such as stored latest data or data produced beforehand, by recognizing that a stoppage or an anomaly happens in the supply of the signal. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种PLL装置,其中从压控振荡器输出与来自外部的参考频率信号同步的频率信号,其中即使在参考中发生故障也频率偏差被抑制 来自外面的信号

      解决方案:监视来自外部的参考频率信号的信号电平,并且当信号电平在设定范围内时,使用由相位差数据产生装置产生的相位差相关数据执行PLL控制 而当信号电平超出设定范围时,通过将存储在存储器中的相位差相关数据(例如存储的最新数据或预先产生的数据)通过识别停止或 在信号供应中发生异常。 版权所有(C)2008,JPO&INPIT