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    • 127. 发明申请
    • CAPACITIVE PRESSURE DIFFERENCE SENSOR AND METHOD FOR ITS MANUFACTURE
    • US20170146416A1
    • 2017-05-25
    • US15320079
    • 2014-06-08
    • Endress + Hauser GmbH + Co. KG
    • Rafael TeipenBenjamin Lemke
    • G01L9/00
    • G01L9/0073G01L13/025
    • A simply constructed and cost effectively manufacturable pressure difference sensor, comprising first and second counterelectrodes, a conductive disk arranged between the two counterelectrodes, a first insulating layer, via which an outer edge of the disk is connected with an outer edge of the first counterelectrode to form a first pressure chamber, a second insulating layer, via which an outer edge of the disk is connected with an outer edge of the second counterelectrode to form a second pressure chamber, an opening provided in the first counterelectrode, via which opening the first pressure chamber is contactable with a first pressure, and an opening provided in the second counterelectrode, via which opening the second pressure chamber is contactable with a second pressure. The disk is divided by a moat into an inner region serving as an electrode and an outer region electrically insulated therefrom by the moat, the inner region includes a measuring membrane arranged between the two pressure chambers and an edge region surrounding the measuring membrane and clamped between the inner edges of the insulating layers, and the inner region forms with each of the counterelectrodes, in each case, a capacitor having a capacitance dependent on a pressure difference acting on the measuring membrane.
    • 128. 发明申请
    • PRESSURE SENSOR, ESPECIALLY PRESSURE DIFFERENCE SENSOR
    • 压力传感器,特殊压力传感器
    • US20170074735A1
    • 2017-03-16
    • US15341563
    • 2016-11-02
    • ENDRESS+HAUSER GmbH + Co. KG
    • TIMO KOBERMICHAEL PHILIPPSDIETER STOLZEANH TUAN THAMROLAND WERTHSCHUTZKY
    • G01L9/00C03B23/00G01L19/06
    • G01L9/0042C03B23/0026G01L19/0618
    • The pressure sensor of the invention includes at least one platform, at least one measuring membrane 30, and a transducer, wherein the measuring membrane comprises a semiconductor material, wherein the measuring membrane, enclosing a pressure chamber, is secured on the platform, wherein the measuring membrane is contactable with at least one pressure and is elastically deformable in a pressure-dependent manner, wherein the transducer provides an electrical signal dependent on deformation of the measuring membrane, wherein the platform has a membrane bed, on which the measuring membrane lies in the case of overload, in order to support the measuring membrane, wherein the membrane bed 21 has a glass layer 20, whose surface faces the measuring membrane and forms a wall of the pressure chamber, wherein the surface of the glass layer has a contour, which is suitable for supporting the measuring membrane 30 in the case of overload, characterized in that the contour of the membrane bed 21 is obtainable by a sagging of an unsupported region of a glass plate at increased temperature, due to the force of gravity on the unsupported region of the glass plate, and subsequent cooling of the glass plate.
    • 本发明的压力传感器包括至少一个平台,至少一个测量膜30和换能器,其中测量膜包括半导体材料,其中包围压力室的测量膜固定在平台上,其中, 测量膜可与至少一个压力接触并且以压力依赖的方式弹性变形,其中换能器提供取决于测量膜的变形的电信号,其中平台具有膜床,测量膜位于该膜片上 过载的情况,为了支撑测量膜,其中膜床21具有玻璃层20,玻璃层20的表面面向测量膜并形成压力室的壁,其中玻璃层的表面具有轮廓, 其适用于在过载的情况下支撑测量膜30,其特征在于,膜床21的轮廓是 由于玻璃板的未支撑区域上的重力,以及随后的玻璃板的冷却,在升高的温度下通过玻璃板的未支撑区域的下垂可以获得。
    • 129. 发明授权
    • Circuit arrangement
    • 电路布置
    • US09584068B2
    • 2017-02-28
    • US14350470
    • 2012-09-12
    • Bernhard Michalski
    • Bernhard Michalski
    • H03D7/14G01S7/03G01F23/284G01S13/10G01S13/88H03D7/00G01S7/00G01F23/00G01S13/00
    • H03D7/1458G01F23/284G01S7/032G01S13/10G01S13/88
    • A circuit arrangement for converting from a differential signal path (IFoutA - IFoutB) at the output of a mixer to a signal path (Ssin gle) referenced to a reference potential. A controllable switch element is provided in each of the two single signal paths (IFoutA, IFoutB) of the differential signal path (IFoutA-IFoutB), wherein a first memory element is connected in series with the two switch elements, and wherein there is provided for the two switch elements at least one control, which during a charging phase of the first memory element connects the differential signal path (IFoutA-IFoutB) at the output of the mixer with the first memory element and applies the output signal on the differential output of the mixer for charging the first memory element. During the discharging, respectively reverse charging, phase connects the first memory element with the signal path referenced to the reference potential (GND), so that charge stored in the first memory element is discharged via the signal path referenced to the reference potential (GND).
    • 一种电路装置,用于从混频器的输出处的差分信号路径(IFoutA-IFoutB)转换为参考电位的信号路径(Ssin gle)。 在差分信号路径(IFoutA-IFoutB)的两个单个信号路径(IFoutA,IFoutB)的每一个中提供可控开关元件,其中第一存储器元件与两个开关元件串联连接,并且其中设置有 对于两个开关元件,至少一个控制器,其在第一存储器元件的充电阶段期间将混频器的输出处的差分信号路径(IFoutA-IFoutB)与第一存储器元件连接,并将输出信号施加到差分输出 用于对第一存储元件充电的混合器。 在放电期间,分别反向充电,将第一存储元件与参考电位(GND)参考的信号路径相位相连,使得存储在第一存储元件中的电荷经由参考电位(GND)参考的信号路径被放电, 。