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公开(公告)号：US5226313A
公开(公告)日：1993-07-13
申请号：US890286
申请日：1992-05-26
申请人： Michihiro Murata , Akira Kumada , Kenji Matsuo , Chitaka Ochiai , Shigeo Yamazaki , Masaaki Kimura , Naoyuki Kohriya
发明人： Michihiro Murata , Akira Kumada , Kenji Matsuo , Chitaka Ochiai , Shigeo Yamazaki , Masaaki Kimura , Naoyuki Kohriya
IPC分类号： A61B5/20
CPC分类号： A61B5/14507 , A61B5/208
摘要： A body fluid excretion volume measurement apparatus for medical application. The apparatus stores body fluid excreted from patients in a body fluid storage tank and measures the resistance value with a resistance sensor. The resistance value depends on the shape of the body fluid storage tank, and if the tank is columnar, the resistance value is monotonically increasing with respect to the depth of body fluid. The output of the resistance sensor is processed by a measurement part and electric measurement of the body fluid volume stored in the body fluid storage tank is performed automatically.
摘要翻译： 一种用于医疗应用的体液排泄量测量装置。 该装置将从患者体内排泄的体液储存在体液储存罐中，并用电阻传感器测定电阻值。 电阻值取决于体液储罐的形状，如果罐是柱状的，则电阻值相对于体液的深度单调增加。 电阻传感器的输出由测量部件处理，并且自动执行存储在体液储存罐中的体液体积的电量测量。
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公开(公告)号：US5148708A
公开(公告)日：1992-09-22
申请号：US692660
申请日：1991-04-29
申请人： Michihiro Murata , Akira Kumada , Shigeo Yamazaki , Kenji Matsuo
发明人： Michihiro Murata , Akira Kumada , Shigeo Yamazaki , Kenji Matsuo
IPC分类号： G01F23/24
CPC分类号： G01F23/242
摘要： A liquid level sensor for detecting a level of an electrolyte where: a pair of resistance films are formed on an insulating substrate: a plurality of electrodes are intermittently mounted on the resistance films in the longitudinal direction; the resistance films are soaked in the electrolyte in the vertical direction along the longitudinal direction; the liquid surface is detected from the variation of the resistance value of the resistance films caused by the short-circuiting of pairs of the electrodes in the electrolyte. The exposed surface of the resistance film is covered by a moisture-resistance film. The result is that undesirable change of resistance value of the resistance film caused by being moistened can be reliably prevented.
摘要翻译： 一种用于检测电解质水平的液位传感器，其中：在绝缘基板上形成一对电阻膜：多个电极沿长度方向间歇地安装在电阻膜上; 电阻膜沿着纵向沿垂直方向浸泡在电解质中; 从电解液中的电极对短路引起的电阻膜的电阻值的变化来检测液面。 电阻膜的暴露表面被防潮膜覆盖。 结果是可以可靠地防止由于被润湿而导致的电阻膜的电阻值的不期望的变化。
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公开(公告)号：US5263370A
公开(公告)日：1993-11-23
申请号：US692726
申请日：1991-04-29
申请人： Michihiro Murata , Akira Kumada , Kenji Matsuo , Shigeo Yamazaki
发明人： Michihiro Murata , Akira Kumada , Kenji Matsuo , Shigeo Yamazaki
CPC分类号： G01F23/242 , A61B5/208 , G01F3/38
摘要： A liquidometer composed of a siphon for emitting a sample liquid stored in a reservoir and a liquid level sensor for sensing the level of the sample remained in the reservoir. The siphon further includes a pair of sensors for counting the number of emission thereof, while the liquid level sensor includes two rows of resistive film with a plurality of sensing elements embedded therein. Outside the liquidometer, there are provided a counter connected to the emission sensor, a level calculator connected to the liquid level sensor, and a calculator coupled to both. A gross amount of the sample liquid having been measured for a period of hours is obtained by adding together a count signal from the counter which represents the quantity of the sample liquid fully stored in the reservoir and a signal from the level counter which represents the liquid level of the remaining sample liquid. Moreover, variations in the quantity of the sample for a predetermined period is computed by the calculator in response to its internal clock.
摘要翻译： 由用于发射存储在储存器中的样品液体的虹吸管和用于感测残留在储存器中的样品水平的液位传感器构成的液体计量器。 虹吸进一步包括一对用于计数其发射次数的传感器，而液位传感器包括两行具有嵌入其中的多个感测元件的电阻膜。 在液位计之外，设置有连接到发射传感器的计数器，连接到液位传感器的液位计算器和耦合到两者的计算器。 通过将来自计数器的计数信号加在一起，该计数信号代表完全储存在贮存器中的样品液体的量和表示液体的液位计数器的信号， 剩余样品液体的水平。 此外，由计算器响应于其内部时钟计算预定时段内的样本量的变化。
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公开(公告)号：US5097248A
公开(公告)日：1992-03-17
申请号：US472700
申请日：1990-01-31
申请人： Akira Kumada , Kenji Matsuo , Michihiro Murata
发明人： Akira Kumada , Kenji Matsuo , Michihiro Murata
IPC分类号： G01F23/24
CPC分类号： G01F23/242 , G01F23/241
摘要： An electrode for level detection includes a detection electrode including conductor portions and resistor portions arranged and formed one after the other in a level change direction. An insulating coating layer is formed on either each conductor portion or each resistor portion. The insulating coating layer may be of a film having a property to repel a liquid to be measured.
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公开(公告)号：US5033300A
公开(公告)日：1991-07-23
申请号：US537174
申请日：1990-06-13
申请人： Kenji Matsuo , Akira Kumada , Michihiro Murata
发明人： Kenji Matsuo , Akira Kumada , Michihiro Murata
CPC分类号： G01F23/242 , G01B7/02 , G01F23/243
摘要： A device for measuring displacement comprises a pair of sensor elements of which output voltage changes stepwise in dependency upon displacement of a measurement object, a differentiating circuit for detecting time points at which the output voltage of the pair of sensor elements suddenly changes, and a counter for counting the sudden change time points of the output voltage detected by the differentiating curcuit.
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公开(公告)号：US4981369A
公开(公告)日：1991-01-01
申请号：US420600
申请日：1989-10-12
申请人： Akira Kumada , Eiichi Takata , Michihiro Murata
发明人： Akira Kumada , Eiichi Takata , Michihiro Murata
摘要： In a frost and dew sensor composed of two thermosensitive resistors, a power source and an arithmetic circuit, frost or dew is detected from the change of a differential temperature between the two thermosensitive resistors as two different currents from the power source are supplied to the respective thermosensitive resistors. In an alternative form, the sensor has a single thermosensitive resistor, which is energized as two different currents are alternately supplied from the power source so that frost or dew is detected by comparison of the time-lags between the two outputs from the thermosensitive resistor.
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公开(公告)号：US4433320A
公开(公告)日：1984-02-21
申请号：US409028
申请日：1982-08-18
申请人： Michihiro Murata , Akira Kumada
发明人： Michihiro Murata , Akira Kumada
CPC分类号： G01N27/121
摘要： A dew sensor comprising a substrate (1), a pair of detecting electrodes (2, 3) and a plurality of humidity sensitive members (4), the plurality of humidity sensitive members (4) connecting said opposing detecting electrodes (2, 3) on the substrate (1) and thus the detecting electrodes (2, 3) being at least in part exposed or uncovered.
摘要翻译： 一种露水传感器，包括基板（1），一对检测电极（2,3）和多个湿度敏感部件（4），所述多个湿度敏感部件（4）将所述相对的检测电极（2,3） 在所述基板（1）上，并且因此所述检测电极（2,3）至少部分地暴露或未覆盖。
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公开(公告)号：US5000579A
公开(公告)日：1991-03-19
申请号：US553740
申请日：1990-07-18
申请人： Akira Kumada , Eiichi Takata , Michihiro Murata
发明人： Akira Kumada , Eiichi Takata , Michihiro Murata
摘要： In a frost and dew sensor composed of two thermosensitive resistors, a power source and an arithmetic circuit, frost or dew is detected from the change of a differential temperature between the two thermosensitive resistors as two different currents from the power source are supplied to the respective thermosensitive resistors. In an alternative form, the sensor has a single thermosensitive resistor, which is energized as two different currents are alternately supplied from the power source so that frost or dew is detected by comparison of the time-lags between the two outputs from the thermosensitive resistor.
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公开(公告)号：US4883366A
公开(公告)日：1989-11-28
申请号：US250738
申请日：1988-09-28
申请人： Katsuji Dohi , Akira Kumada , Michihiro Murata
发明人： Katsuji Dohi , Akira Kumada , Michihiro Murata
IPC分类号： G01K7/34
CPC分类号： G01K7/343
摘要： A temperature sensor includes a capacitor having electrodes between which a dielectric body having its dielectric constant variable depending on the variations of ambient temperature is interposed, and a CR oscillating circuit utilizing the capacitor. The dielectric body is made of a ceramic dielectric material which has a working temperature range in the normal dielectric phase with the dielectric constant thereof having a temperature coefficient ranged between -1,000 ppm/.degree.C. and -10,000 ppm/.degree.C. The ceramic dielectric body is also used as a substrate on which the CR oscillating circuit is formed.
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公开(公告)号：US4523142A
公开(公告)日：1985-06-11
申请号：US424344
申请日：1982-09-27
申请人： Michihiro Murata , Akira Kumada
发明人： Michihiro Murata , Akira Kumada
CPC分类号： G01N27/121 , G01N27/122
摘要： An apparatus for sensing dew and frost, comprising a sensing portion which includes a substrate (1) having less permittivity than ice and includes a pair of electrodes (2, 3) arranged to touch the substrate (1) and further includes a resistive film (4) on the substrate (1) covering the pair of electrodes (2, 3), the impedance between the pair of electrodes (2, 3) changing in three states, or dry, bedewed and frosted states.
摘要翻译： 一种用于感测露水和霜的装置，包括感测部分，其包括具有比冰低的介电常数的衬底（1），并且包括一对电极（2,3），其布置成接触所述衬底（1），并且还包括电阻膜 4）在覆盖一对电极（2,3）的基板（1）上，一对电极（2,3）之间的阻抗以三种状态变化，或干燥，蜕变和磨砂状态。
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