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    • 1. 发明授权
    • Pressure sensor
    • 压力传感器
    • US08794077B2
    • 2014-08-05
    • US13258543
    • 2010-03-24
    • Michael Philipps
    • Michael Philipps
    • G01L9/00
    • G01L9/0042
    • A pressure sensor, comprising: a monocrystalline membrane body, which includes a measuring membrane and an edge region surrounding the measuring membrane. The edge region has a greater material thickness than the measuring membrane and the edge region has a first mounting surface, whose surface normal is given by a first principal crystal axis. A monocrystalline substrate, which, with respect to crystal structure, comprises the same semiconductor material as the membrane body, the substrate has a second mounting surface, whose surface normal extends parallel to the first principal crystal axis. The membrane body is tightly connected to the substrate by joining the first mounting surface to the second mounting surface. The orientations of other principal crystal axes of the membrane body and the substrate are, in each case, oriented parallel relative to one another.
    • 一种压力传感器,包括:单晶膜体,其包括测量膜和围绕所述测量膜的边缘区域。 边缘区域具有比测量膜更大的材料厚度,并且边缘区域具有第一安装表面,其表面法线由第一主晶轴给出。 关于晶体结构的单晶衬底包括与膜体相同的半导体材料,衬底具有第二安装表面,其表面法线平行于第一主晶轴延伸。 膜体通过将第一安装表面连接到第二安装表面而与基板紧密连接。 在每种情况下,膜体和衬底的其它主晶轴的取向相对于彼此平行。
    • 2. 发明授权
    • Flow measuring apparatus including a deflectable membrane applied to a constriction
    • 包括应用于收缩部的可偏转膜的流量测量装置
    • US08522625B2
    • 2013-09-03
    • US12923701
    • 2010-10-05
    • Michael Philipps
    • Michael Philipps
    • G01F1/37
    • G01F1/3209G01F1/22G01F1/36G01F1/42G01F1/44G01F1/50G01F25/0007
    • A flow measuring arrangement for measuring flow through a measuring tube comprises at least one constriction located in the measuring tube, which effects a reduction of a volume through which a medium flows; at least one deflectable membrane applied to said constriction, wherein deflection of the membrane effects a change of a volume through which medium flows in the measuring tube; a pressure measuring system connected to the measuring tube for measuring pressure (Δp, p); measuring electronics, which determines flow based on the measured pressure (Δp, p); an apparatus for producing a time variable deflection of the membrane and a diagnostic system, which determines an affect of said deflections of the membrane on the measured pressure (Δp, p), and which diagnoses the flow measuring arrangement based on the deflections and determined effects thereof on the measured pressure (Δp, p).
    • 用于测量通过测量管的流动的流量测量装置包括位于测量管中的至少一个收缩部,其实现了介质流过的体积的减小; 施加到所述收缩部的至少一个可偏转膜,其中所述膜的偏转影响所述测量管中介质流过的体积的变化; 连接到用于测量压力的测量管的压力测量系统(Deltap,p); 测量电子设备,其基于测量的压力确定流量(Deltap,p); 用于产生膜的时间可变偏转的装置和诊断系统,其确定所述膜的所述偏转对所测量的压力(Deltap,p)的影响,并且基于偏转和确定的影响诊断流量测量装置 测量压力(Deltap,p)。
    • 4. 发明授权
    • Pressure gauge
    • 压力计
    • US08069729B2
    • 2011-12-06
    • US12311914
    • 2007-10-09
    • Wolfgang DannhauerMichael Philipps
    • Wolfgang DannhauerMichael Philipps
    • G01L19/04
    • G01L9/125G01L9/065
    • A pressure measuring device for measuring and/or monitoring the pressure of a measured medium. The pressure measuring device includes a sensor housing and a measurement transmitter, wherein assigned to the sensor housing is a pressure measuring cell with a pressure sensitive measuring element. Assigned to the pressure measuring cell is a temperature sensor, and assigned to the measurement transmitter is a control/evaluation unit. In order to increase the measurement accuracy of the pressure measuring device, it is provided, that the control/evaluation unit, in the case of an abrupt change of the temperature registered by the temperature sensor, ascertains, or provides, a step response, wherein the step response has a sensor-type-specific, settling time, and the control/evaluation unit, on the basis of the ascertained, or provided, step response, references the corresponding time-dependent integral temperature of the pressure measuring cell, in order to eliminate, or to compensate, the temperature influence on the pressure measurement signal provided by the measuring element.
    • 一种用于测量和/或监测测量介质的压力的压力测量装置。 压力测量装置包括传感器壳体和测量发射器,其中分配给传感器壳体的是具有压敏测量元件的压力测量单元。 分配给压力测量单元的是温度传感器,分配给测量变送器是一个控制/评估单元。 为了提高压力测量装置的测量精度,提供了在由温度传感器登记的温度突然变化的情况下,控制/评估单元确定或提供阶跃响应,其中 阶跃响应具有传感器类型特定的建立时间,并且控制/评估单元基于确定的或提供的步进响应,按顺序参考压力测量单元的对应的时间依赖积分温度 以消除或补偿由测量元件提供的压力测量信号的温度影响。
    • 5. 发明申请
    • Pressure Sensor and Pressure Difference Sensor
    • 压力传感器和压差传感器
    • US20110203380A1
    • 2011-08-25
    • US13029644
    • 2011-02-17
    • Michael PHILIPPS
    • Michael PHILIPPS
    • G01L13/02
    • G01L19/02
    • A pressure sensor includes a hydraulic path filled with a pressure transfer liquid and a pressure transducer having a pressure sensitive deformation body. The hydraulic path includes a channel which extends from a pressure input opening at least to the deformation body, wherein the pressure input opening is spaced a separation distance from the deformation body, and wherein pressure on the deformation body deviates from pressure at the pressure input opening by the difference of the hydrostatic pressure of the pressure transfer liquid between the pressure input opening and the deformation body. The pressure sensor further includes an inclination sensor for determining at least one inclination value dependent on the inclination of the hydraulic path, and a processing circuit, which is suitable to determine the difference of the hydrostatic pressure of the pressure transfer liquid between the pressure input opening and the deformation body as a function of inclination value, a density value of the pressure transfer liquid and a separation distance.
    • 压力传感器包括填充有压力传递液体的液压路径和具有压敏变形体的压力传感器。 液压路径包括从压力输入开口至少延伸到变形体的通道,其中压力输入开口与变形体隔开间隔,并且其中变形体上的压力偏离压力输入开口处的压力 通过压力输入口与变形体之间的压力传递液体的静水压力的差异。 压力传感器还包括用于确定取决于液压路径的倾斜度的至少一个倾斜值的倾斜传感器,以及适于确定压力输入开口之间的压力传送液体的静水压力差异的处理电路 和变形体作为倾斜值的函数,压力传递液体的密度值和分离距离。
    • 6. 发明授权
    • Apparatus for sensing and transmitting in a wireless manner a value to
be measured
    • 用于传感和传输无线网络的设备要测量的值
    • US5181423A
    • 1993-01-26
    • US775828
    • 1991-10-11
    • Michael PhilippsHans-Dieter SchadWolfgang Viel
    • Michael PhilippsHans-Dieter SchadWolfgang Viel
    • G01L1/10G01D5/241G01L9/10G01L9/12G08C19/00G08C19/18
    • G01D5/2417G01L9/125
    • A device for measuring physical values, each as pressure changes, includes a sensor transponder section and an interrogator receiver section for transmitting interrogation signals including a power supply from the interrogator receiver section to the sensor transponder section and for transmitting measured signal values in the opposite direction. The sections can be coupled to each other by inductive coils so that electrical connections are avoided. Thus, the pressure in a rotating automobile tire can be measured, for example. The sensor transponder section includes a computer circuit the input of which receives a reference frequency signal and a measured frequency signal. A reference oscillating signal has a frequency determining element that is not influenced by the pressure to be measured, but only by extraneous, e.g. environmental influences. A measuring oscillating circuit has a frequency determining element that is responsive to the changes in the physical value to be measured. Both frequency determining elements are so arranged that they are exposed to the same extraneous conditions, whereby adverse influences of these conditions on the measured values are compensated.
    • 用于测量物理值的装置,每个压力变化包括传感器转发器部分和询问器接收器部分,用于将询问信号包括来自询问器接收器部分的电源传送到传感器应答器部分,并用于传输相反方向上的测量信号值 。 这些部分可以通过感应线圈彼此耦合,以避免电连接。 因此,可以测量旋转的汽车轮胎中的压力。 传感器转发器部分包括其输入端接收参考频率信号和测量的频率信号的计算机电路。 参考振荡信号具有频率确定元件,其不受待测压力的影响,但仅由外部的,例如, 环境影响。 测量振荡电路具有响应于待测物理值的变化的频率确定元件。 两个频率确定元件被布置成使得它们暴露于相同的外来条件,由此补偿这些条件对测量值的不利影响。
    • 8. 发明申请
    • PRESSURE DIFFERENCE MEASURING CELL
    • 压力差异测量单元
    • US20100281992A1
    • 2010-11-11
    • US12735098
    • 2008-12-12
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter Stolze
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter Stolze
    • G01L9/00
    • G01L19/0609G01L9/0073G01L13/026
    • A pressure difference measuring cell for registering pressure difference between a first pressure and a second pressure, comprises: an elastic measuring arrangement having at least one measuring membrane, or diaphragm, that comprises silicon; a platform, which is pressure-tightly connected with the elastic measuring arrangement; a first hydraulic path for transferring a first pressure onto a first surface section of the elastic measuring arrangement; and a second hydraulic path for transferring a second pressure onto a second surface section of the elastic measuring arrangement. The first pressure opposes the second pressure, and the elastic deflection of the measuring arrangement is a measure for the difference between the first and the second pressure, wherein the pressure difference measuring cell has additionally at least one hydraulic throttle, characterized in that the at least one hydraulic throttle comprises porous silicon.
    • 用于记录第一压力和第二压力之间的压力差的压差测量单元包括:弹性测量装置,其具有包括硅的至少一个测量膜或隔膜; 与弹性测量装置压力连接的平台; 用于将第一压力转移到弹性测量装置的第一表面部分上的第一液压路径; 以及用于将第二压力传递到弹性测量装置的第二表面部分上的第二液压路径。 所述第一压力与所述第二压力相反,并且所述测量装置的弹性挠度是所述第一和第二压力之间的差值的量度,其中所述压差测量单元还具有至少一个液压节流阀,其特征在于,所述至少一个 一个液压油门包括多孔硅。
    • 9. 发明申请
    • PRESSURE GAUGE
    • 压力计
    • US20100139407A1
    • 2010-06-10
    • US12311914
    • 2007-10-09
    • Wolfgang DannhauerMichael Philipps
    • Wolfgang DannhauerMichael Philipps
    • G01L19/04
    • G01L9/125G01L9/065
    • The invention relates to a pressure measuring device (1) for measuring and/or monitoring pressure of a measured medium (14). The pressure measuring device (1) includes a sensor housing (9) and a measurement transmitter (3), wherein assigned to the sensor housing (9) is a pressure measuring cell (4) with a pressure sensitive measuring element (5), wherein assigned to the pressure measuring cell (4) is a temperature sensor (10; 11; 12; 13), and wherein assigned to the measurement transmitter (3) is a control/evaluation unit (16). In order to increase the accuracy of measurement of the pressure measuring device (1), it is provided, that the control/evaluation unit (16), in the case of an abrupt change of the temperature registered by the temperature sensor (10; 11; 12; 13), ascertains, or provides, a step response, wherein the step response has a sensor-type-specific, settling time (ts), and the control/evaluation unit (16), on the basis of the ascertained, or provided, step response, references the corresponding time-dependent integral temperature of the pressure measuring cell (4), in order to eliminate, or to compensate, the temperature influence on the pressure measurement signal provided by the measuring element (5).
    • 本发明涉及一种用于测量和/或监测测量介质(14)的压力的压力测量装置(1)。 压力测量装置(1)包括传感器壳体(9)和测量变送器(3),其中分配给传感器壳体(9)的是具有压敏测量元件(5)的压力测量单元(4),其中 分配给压力测量单元(4)的是温度传感器(10; 11; 12; 13),并且其中分配给测量发射器(3)的是控制/评估单元(16)。 为了提高压力测量装置(1)的测量精度,提供了在由温度传感器(10; 11)登记的温度突然变化的情况下,控制/评估单元(16) ; 12; 13),确定或提供步骤响应,其中所述阶跃响应具有传感器类型特定的建立时间(ts),并且所述控制/评估单元(16)基于所确定的, 或提供的步进响应,参考压力测量单元(4)的相应的时间依赖积分温度,以消除或补偿温度对由测量元件(5)提供的压力测量信号的影响。
    • 10. 发明授权
    • Magnetic head driver amplifier for oblique track recording tape
    • 磁头驱动放大器用于斜轨录音带
    • US5051847A
    • 1991-09-24
    • US328002
    • 1989-03-23
    • Michael Philipps
    • Michael Philipps
    • G11B5/09G11B15/04G11B20/10H04N5/91
    • G11B20/10G11B15/04G11B5/09H04N5/91
    • A differential amplifier (15, 16) which drives a recording head and is located on the headwheel which carries the recording head is equipped with automatic switchover provided by a transistor (18) in series with a resistance and the emitters of the differential amplifier. In the absence of signals in the rotor of the rotary transformer which supplies signals to be amplified for recording, this differential amplifier has substantially no idling current, but in response to the presence of a signal in the rotor, a switchover signal is provided making the transistor (18) in the emitter circuit of the differential amplifier conductive and putting the differential amplifier into class A operation. As a result, digital video signals can be recorded at a high data rate without distortion, whereas unintended erasure of the magnetic tape by direct current components in the winding of the recording head is prevented.
    • 驱动记录头并位于承载记录头的头轮上的差分放大器(15,16)配备有由电阻和差分放大器的发射极串联的晶体管(18)提供的自动切换。 在提供要放大的信号的旋转变压器的转子中没有信号用于记录的情况下,该差分放大器基本上没有怠速电流,但是响应于转子中存在信号,提供了切换信号, 差分放大器的发射极电路中的晶体管(18)导通并将差分放大器放入A类工作。 结果,可以以高数据速率记录数字视频信号而没有失真,同时防止磁带被记录头绕组中的直流分量的非故意擦除。