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    • 3. 发明申请
    • Method and apparatus for assessing blood-concentration of a volatile constituent
    • 用于评估挥发性成分的血液浓度的方法和装置
    • US20090087920A1
    • 2009-04-02
    • US11658360
    • 2006-10-17
    • Hakan PetterssonBertil HokGert Andersson
    • Hakan PetterssonBertil HokGert Andersson
    • G01N33/98A61B5/097G01N1/22
    • G01N33/4972B60K28/066B60W2540/24Y10T436/204165
    • A method and apparatus for of assessing the blood concentration level in a human or animal subject, of a volatile blood constituent (preferably alcohol) is disclosed. The method comprises steps of positioning a sensor (21, 22) within the expiratory gas flow of the subject, wherein the sensor (21, 22) is configured to detect the presence of the constituent and provide a first output signal representative of the concentration of said constituent in air, and also to detect a presence of carbon dioxide and to provide a second output signal representative of the concentration of carbon dioxide in air. The flow of expiratory gases from the subject is sampled to provide a first signal and second signal in respect of the expiratory gases substantially simultaneously. The method also comprises the step of inputting said first and second signals obtained by the sampling step into an algorithm configured to compare the variation of the first signal over time with the variation of the second signal over time and, depending on the result of the comparison, to make said second signal representative of the degree of dilution of said expiratory airflow. The invention further includes an apparatus for carrying out the method.
    • 公开了用于评估人或动物受试者中挥发性血液成分(优选醇)的血液浓度水平的方法和装置。 该方法包括以下步骤:将传感器(21,22)定位在受试者的呼气气体流中,其中传感器(21,22)被配置为检测组分的存在并提供表示浓度的第一输出信号 所述组分在空气中,并且还检测二氧化碳的存在并提供表示空气中二氧化碳浓度的第二输出信号。 来自对象的呼气气体的流量被采样,以基本上同时提供关于呼气气体的第一信号和第二信号。 该方法还包括将通过采样步骤获得的所述第一和第二信号输入到被配置为比较随时间推移的第一信号随时间的变化与第二信号随时间变化的算法的步骤,并且根据比较结果 以使所述第二信号代表所述呼气气流的稀释程度。 本发明还包括一种用于执行该方法的装置。
    • 4. 发明授权
    • Arrangement for measuring angular velocity
    • 测量角速度的布置
    • US06467349B1
    • 2002-10-22
    • US09600919
    • 2000-09-12
    • Gert AnderssonNils HedenstiernaPer Svensson
    • Gert AnderssonNils HedenstiernaPer Svensson
    • G01C1900
    • G01C19/5656G01C19/574
    • In a sensor for measuring angular velocity a body is formed from a planer substrate The body defines a beam, the opposed ends of which are adapted to be fixed in position, the beam having a preferential bending direction which makes an acute angle with the plane of the planar substrate. The beam carries an inertia mass comprising two arms interconnected by a connecting bar, the central part of the connecting bar being formed integrally with part of the beam. Capacitative plates located adjacent a conductive layer on the arms are provided with potentials which cause the inertia mass to rotate about the axis of the connecting bar with a “see-saw” action which, because of the configuration of the beam leads to a rotational oscillation of the inertia mass in the plane of the substrate. If the arrangement is rotated about an axis coincident with the connecting bar, the inertia mass rotates about an axis coincident with the beam with an oscillating rotation. This is detected by capacitative plates to determine angular velocity.
    • 在用于测量角速度的传感器中,主体由平面基板形成。主体限定一个梁,其相对端适于固定在适当的位置,该梁具有优先弯曲方向,该倾斜方向与 平面基板。 梁承载包括通过连接杆互连的两个臂的惯性质量块,连接杆的中心部分与梁的一部分一体形成。 设置在臂附近的导电层附近的电容板具有使惯性质量围绕连接杆的轴线旋转的电位,具有“跷跷板”的作用,由于梁的结构导致旋转振荡 的基质平面内的惯性质量。 如果该布置围绕与连接杆重合的轴线旋转,则惯性质量块以与摆动轴一致的轴线旋转。 这是通过电容板检测以确定角速度。
    • 5. 发明授权
    • Monocrystalline accelerometer and angular rate sensor and methods for
making and using same
    • 单晶加速度计和角速率传感器及其制造和使用方法
    • US5723790A
    • 1998-03-03
    • US460488
    • 1995-06-02
    • Gert Andersson
    • Gert Andersson
    • G01C19/5656G01P15/00G01L1/00
    • G01C19/5656
    • A semiconductor device for measuring force components, acceleration, and/or angular rate, formed from a single crystal (monocrystalline semiconductor substrate) comprises at least one cantilever beam inclined to the main surface of the monocrystalline material of the monocrystalline semiconductor substrate. At least one interial mass may be coupled to a corresponding at least one cantilever beam and be integrally formed from the monocrystalline semiconductor substrate. The angle of the cantilever beam to the main surface of the monocrystalline material of the monocrystalline semiconductor substrate is achieved through etching of the monocrystalline semiconductor substrate and is defined by the inclination of crystal planes constituting the beam. The bending of the inclined cantilever beam principally occurs in a direction toward the beam.
    • 用于测量由单晶(单晶半导体衬底)形成的力分量,加速度和/或角速率的半导体器件包括至少一个倾斜于单晶半导体衬底的单晶材料主表面的悬臂梁。 至少一个中间物质可以耦合到相应的至少一个悬臂梁并且由单晶半导体衬底整体形成。 单晶半导体衬底的单晶材料的主表面的悬臂梁的角度通过蚀刻单晶半导体衬底而实现,并且由构成光束的晶面的倾斜度来定义。 倾斜悬臂梁的弯曲主要发生在朝向梁的方向上。