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1. 发明授权

US5226313A Body fluid excretion measurement apparatus for medical application 失效
标题翻译：用于医疗应用的体液排泄测量装置
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。

2. 发明授权

US06520027B1 Ultrasonic flowmeter for measuring the flow rate of a gas or liquid by using an ultrasonic sensor 失效
标题翻译：超声波流量计，用于通过使用超声波传感器测量气体或液体的流量
公开(公告)号：US06520027B1
公开(公告)日：2003-02-18
申请号：US09612843
申请日：2000-07-10
申请人： Chitaka Ochiai
发明人： Chitaka Ochiai
IPC分类号： G01F166
CPC分类号： G01F1/662
摘要： An ultrasonic flowmeter includes a fluid duct including therein first and second flow-paths separated by a partition and an ultrasonic sensor provided at one end of the fluid duct. A reflecting plate provided at the other end of the fluid duct reflects ultrasonic waves generated by the ultrasonic sensor and reaching the reflecting plate through the first and second flow-paths, and returns the ultrasonic waves to the ultrasonic sensor through the second and first flow-paths, respectively, which are different from the first and second flow-paths, respectively, through which the ultrasonic waves have reached the reflecting plate. The ultrasonic flowmeter also includes first and second connecting flow-paths communicating with the first flow-path at the vicinity of one end and the other end, respectively, of the fluid duct.
摘要翻译：超声波流量计包括流体管道，其中包括分隔开的第一和第二流动路径和设置在流体管道的一端的超声波传感器。设置在流体通道的另一端的反射板反射由超声波传感器产生的超声波，并通过第一和第二流动路径到达反射板，并通过第二和第二流动通道将超声波返回到超声波传感器，路径分别与超声波到达反射板的第一和第二流路分别不同。超声波流量计还包括分别在流体管道的一端和另一端附近与第一流路连通的第一和第二连接流动路径。

3. 发明授权

US06188226B1 Electric potential sensor 失效
标题翻译：电位传感器
公开(公告)号：US06188226B1
公开(公告)日：2001-02-13
申请号：US09357492
申请日：1999-07-20
申请人： Chitaka Ochiai
发明人： Chitaka Ochiai
IPC分类号： G01R528
CPC分类号： G01R1/067 , Y10T307/858
摘要： An electric potential sensor, having: a power source including a first output terminal having a first electric potential, a second output terminal having a second electric potential; a first and a second potential dividing elements connected in series between the first output terminal and the second output terminal; a ground node connected to a mutual connection node of the first potential dividing element and the second potential dividing element; a first resistance element connected between the ground node and an output node; a second resistance element connected between the output node and a detection node; a transistor connected between the first output terminal and the detection node; a pickup device for controlling a base current or a gate voltage of said transistor such that an electric potential of the detection node is equal to an electric potential of a measuring object; and a third resistance element connected between said detection node and the second output terminal.
摘要翻译：一种电位传感器，具有：电源，包括具有第一电位的第一输出端子，具有第二电位的第二输出端子; 在第一输出端子和第二输出端子之间串联连接的第一和第二电位分压元件; 连接到第一电位分割元件和第二电位分割元件的相互连接节点的接地节点; 连接在接地节点和输出节点之间的第一电阻元件; 连接在输出节点和检测节点之间的第二电阻元件; 连接在第一输出端子和检测节点之间的晶体管; 用于控制所述晶体管的基极电流或栅极电压的拾取装置，使得检测节点的电位等于测量对象的电位; 以及连接在所述检测节点和所述第二输出端子之间的第三电阻元件。

4. 发明授权

US06536290B2 Ultrasonic flowmeter and gas flowmeter using the same 失效
标题翻译：超声波流量计和气体流量计使用相同
公开(公告)号：US06536290B2
公开(公告)日：2003-03-25
申请号：US09732050
申请日：2000-12-07
申请人： Chitaka Ochiai
发明人： Chitaka Ochiai
IPC分类号： G01F166
CPC分类号： G01F1/667
摘要： A loop flow-path is formed by providing a partition in the path of flow of a fluid duct. An incoming flow-path and an outgoing flow-path are provided with the fluid duct through connecting ducts, and a gas G flows in the fluid duct. An ultrasonic sensor having two opposing surfaces for transmission and reception is disposed in a part of the loop flow-path so that ultrasonic waves to be transmitted and receive have vector components in the direction of the loop flow-path. The ultrasonic waves outputted from the two opposing surfaces of the ultrasonic sensor travel in opposite directions to each other in the loop flow-path, one ultrasonic wave with the flow of the gas and the other ultrasonic wave against the flow of the gas, and are received on the opposite surfaces of the sensor, respectively.
摘要翻译：通过在流体管道的流动路径中设置隔板来形成环路流路。输入流路和流出流路通过连接管道设置有流体管道，气体G流入流体管道。具有用于发送和接收的两个相对表面的超声波传感器设置在环路流路的一部分中，使得要被发送和接收的超声波在环路流动路径的方向上具有向量分量。从超声波传感器的两个相对表面输出的超声波在环路流动路径中彼此相反的方向行进，一个超声波与气体的流动和另一个超声波相对于气体的流动而流动，并且是分别接收在传感器的相对表面上。

5. 发明授权

US5987992A Ultrasonic sensor with temperature compensation capacitor 失效
标题翻译：带温度补偿电容器的超声波传感器
公开(公告)号：US5987992A
公开(公告)日：1999-11-23
申请号：US6286
申请日：1998-01-13
申请人： Koichi Watanabe , Chitaka Ochiai , Junshi Ohta , Masaharu Kota
发明人： Koichi Watanabe , Chitaka Ochiai , Junshi Ohta , Masaharu Kota
IPC分类号： H04R17/00 , G01S7/52 , G01S7/521 , H01B3/12 , H04R31/00 , C01N29/00
CPC分类号： G10K9/22 , G01S7/521 , G01S7/52006
摘要： An ultrasonic sensor has a built-in temperature compensation capacitor housed in a casing and facilitates an inside-the-casing lead-wire bonding connection process and a connection verifying process while increasing reliability. The ultrasonic sensor is provided with a piezoelectric vibration element and a capacitor for temperature compensation capacitor both housed in a casing. The temperature compensation capacitor includes a pair of electrodes located on one common surface of a dielectric body thus allowing the ultrasonic sensor to be electrically connected to lead wires on the one common surface.
摘要翻译：超声波传感器具有内置的温度补偿电容器，其容纳在壳体中，并且在增加可靠性的同时便于壳内引线接合连接过程和连接验证过程。超声波传感器设置有压电振动元件和用于温度补偿电容器的电容器，两者都容纳在壳体中。温度补偿电容器包括位于电介质体的一个公共表面上的一对电极，从而允许超声波传感器电连接到一个公共表面上的引线。

6. 发明授权

US5083460A Level sensor 失效
标题翻译：水平传感器
公开(公告)号：US5083460A
公开(公告)日：1992-01-28
申请号：US618339
申请日：1990-11-26
申请人： Akira Kumada , Kenji Matsuo , Chitaka Ochiai
发明人： Akira Kumada , Kenji Matsuo , Chitaka Ochiai
IPC分类号： G01F23/24
CPC分类号： G01F23/24
摘要： A level sensor with an amplifier circuit includes one of the level detection resistor and the temperature compensation resistor as an input resistor or a grounding resistor to the negative input terminal of the operational amplifier, and includes the other resistor as a negative feedback resistor.

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