公开(公告)号：WO01090702A2

公开(公告)日：2001-11-29

申请号：PCT/US2001/040791

申请日：2001-05-22

IPC: G01F23/18 ,  G01D3/028 ,  G01D3/032 ,  G01D3/036 ,  G01F1/58 ,  G01F1/60 ,  G01F25/00 ,  G01L9/00 ,  G01L13/06 ,  G08C19/02 ,  G08C25/00 ,  H04B15/00 ,  G01F1/00

CPC classification number: G01D3/032 ,  G01D3/0365 ,  G01F1/58 ,  G01F1/60 ,  G01F25/0007

Abstract: A magnetic flow transmitter (20) provides a coil driver output (46) at a selected fundamental to a coil (48) on a flow tube (22, 42) carrying a flow of a liquid (21). An amplifier (60) amplifies an electrode signal from the flow tube (42) and an A/D converter (66) converts the amplified electrode signal. A digital signal processor (DSP) (70) uses a spectral transform such as a Fourier type transform to generate a flow output (80) based on spectral components at or near the fundamental and a noise diagnosing output (82) based on components at or near a noise frequency.

Abstract translation: 磁流量变送器（20）将所选择的基本线圈驱动器输出（46）提供给承载液体（21）流动的流动管（22,42）上的线圈（48）。 放大器（60）放大来自流管（42）的电极信号，A / D转换器（66）转换放大的电极信号。 数字信号处理器（DSP）（70）使用诸如傅立叶型变换之类的频谱变换，以基于或接近基波的频谱分量和噪声诊断输出（82）生成流量输出（80） 接近噪音频率。

公开(公告)号：WO01016565A1

公开(公告)日：2001-03-08

申请号：PCT/GB2000/003382

申请日：2000-09-04

IPC: G01D3/028 ,  G01D5/48 ,  G01H1/14

CPC classification number: G01D5/48

Abstract: Apparatus for determining the resonant frequency of a passive sensor, for example a saw device, comprises: means (5, 7, 3) for transmitting signals of a plurality of frequencies to said passive sensor (2); means (3, 7) for receiving signals from said passive sensor simultaneously with said transmitting of signals; means (7) for comparing the received signals with the transmitted signals to identify a characteristic change in the relationship between the received signals and the transmitted signals which occurs when the sensor is being driven at its resonant frequency. Typically, as the frequency at which the passive sensor is driven passes through the resonant frequency of the sensor the phase and/or amplitude of the signal generated by the passive sensor will change. By identifying this change of phase and/or amplitude the point at which resonance occurs can be detected. The frequency of the transmitted signal at the moment when the comparison indicates that the sensor is being driven at its resonant frequency is the resonant frequency of the sensor.

Abstract translation: 用于确定无源传感器（例如锯装置）的谐振频率的装置包括：用于将多个频率的信号传输到所述无源传感器（2）的装置（5,7,3）; 用于在所述信号发送的同时从所述无源传感器接收信号的装置（3,7）; 用于将接收到的信号与所发送的信号进行比较的装置（7），以识别当传感器以其谐振频率驱动时发生的接收信号与发射信号之间的关系的特性变化。 通常，随着无源传感器被驱动的频率通过传感器的谐振频率，由无源传感器产生的信号的相位和/或振幅将改变。 通过识别相位和/或振幅的这种变化，可以检测发生共振的点。 当比较表明传感器以其谐振频率驱动时，发射信号的频率是传感器的谐振频率。

公开(公告)号：WO01013070A1

公开(公告)日：2001-02-22

申请号：PCT/SE1999/001372

申请日：1999-08-13

IPC: G01B7/00 ,  G01B7/02 ,  G01D3/028 ,  G01D5/20 ,  G01B7/14

CPC classification number: G01B7/023 ,  G01B7/003 ,  G01D3/028

Abstract: The invention relates to a method for the control and regulation of a driving unit for an inductive position sensor intended for the measurement of linear motion and compensation for temperature variations which arise in the sensor, in which a constant alternating current generator AC is used together with a constant direct current generator DC for supply of a circuit including a winding (1) which is part of a position sensor and a current measurement sensor (6) connected in series with the winding, whereby the voltage over the winding is measured both to partly obtain a signal which corresponds to the position of a sensor element (2) which moves relative to the winding and which influences the impedance of the winding, and to partly obtain a signal which corresponds to the temperature of the winding. In order to achieve a temperature compensation which is continuous, an alternating current AC which is superposed onto a direct current DC is used as drive signal for the inductive sensor and this signal is supplied in a current branch of the drive unit (5) which is common for both the winding (1) and the current measurement sensor (6), whereby the differential voltage of the component of the alternating voltage which appears across the winding is measured, and used to form the signal which corresponds to the position of the sensor element (2) relative to the winding (1), and the direct voltage component which appears across the winding is measured and used to form the signal which corresponds to the temperature appearing in the winding.

Abstract translation: 本发明涉及一种用于控制和调节用于感测位置传感器的驱动单元的方法，用于测量传感器中产生的线性运动和温度变化的补偿，其中恒定的交流发电机AC与 用于供给包括作为位置传感器的一部分的绕组（1）和与该绕组串联连接的电流测量传感器（6）的电路的恒定直流发电机DC，由此对绕组的电压进行部分测量 获得对应于相对于绕组移动的传感器元件（2）的位置并且影响绕组的阻抗并且部分地获得对应于绕组的温度的信号的信号。 为了实现连续的温度补偿，将叠加在直流DC上的交流AC用作感应传感器的驱动信号，并且该信号被提供在驱动单元（5）的当前支路中，驱动单元 对于绕组（1）和电流测量传感器（6）都是共用的，由此测量出现在绕组两端的交流电压的分量的差分电压，并用于形成对应于传感器位置的信号 元件（2）相对于绕组（1），并且跨过绕组出现的直流电压分量被测量并用于形成对应于绕组中出现的温度的信号。

公开(公告)号：WO00034901A3

公开(公告)日：2001-02-08

申请号：PCT/US1999/029007

申请日：1999-12-08

IPC: G01D3/028 ,  G01D21/00 ,  G06F15/00 ,  G06F17/18 ,  G06F17/40

CPC classification number: G06F17/18 ,  G06K9/00496

Abstract: A method, apparatus, and article of manufacture for analyzing measurements. The invention provides a method for separating and analyzing the components of a distribution, such as deterministic and random components. The method performs the steps of collecting data from a measurement apparatus, constructing a histogram based on the data such that the histogram defines a distribution, fitting tails regions wherein deterministic and random components and associated statistical confidence levels are estimated.

Abstract translation: 用于分析测量的方法，装置和制品。 本发明提供了一种用于分离和分析分布的分量的方法，例如确定性和随机分量。 该方法执行以下步骤：从测量装置收集数据，基于数据构建直方图，使得直方图定义分布，拟合尾部区域，其中确定性和随机分量以及相关联的统计置信水平被估计。

公开(公告)号：WO00058692A1

公开(公告)日：2000-10-05

申请号：PCT/US2000/005733

申请日：2000-03-03

IPC: G01L9/00 ,  G01D3/028 ,  G01D18/00 ,  G01D21/00 ,  G01L1/22 ,  G01L9/02 ,  G01L9/04 ,  G01L9/12 ,  G01D3/02

CPC classification number: G01L1/2268 ,  G01L9/06

Abstract: A measurement system utilizes a sensor formed in a semiconductor on insulator structure that has an offset related to the time that power is applied. A controller applies power, obtains readings and removes power so as to minimize any effect of the offset.

Abstract translation: 测量系统利用形成在绝缘体上半导体结构上的传感器，其具有与施加电力的时间有关的偏移。 控制器施加电力，获得读数并去除电力，以最小化偏移的任何影响。

公开(公告)号：WO00047965A1

公开(公告)日：2000-08-17

申请号：PCT/EP2000/000862

申请日：2000-02-03

IPC: G01D3/028 ,  G01D3/036 ,  G01L1/22

CPC classification number: G01D3/036 ,  G01D3/028 ,  G01L1/2281

Abstract: The invention relates to a compensating element (4) for a sensor circuit which is equipped with strain gauges (2) in a bridge circuit (1). Said compensating element (4) consists of a metallic support plate (20) on which a structured resistance foil (24) is bonded in an insulating manner. Both the low-resistance trimming resistors (6, 16) and the high-resistance trimming resistors (13, 18) for compensating the temperature coefficient at zero (TKO) and the temperature coefficient at a characteristic value (TKK) are formed from the resistance foil (23) in a flat or grid form. The compensating element (4) can easily be connected to the sensor through the level support plate (20) with a suitable plastic and with good heat transfer. In the finished sensor, the compensating element is protected from mechanical damage by a sealing compound.

Abstract translation: 本发明涉及一种用于连接到应变仪拾取电路的调节元件（4）（2）装配在电桥电路（1）。 在这种情况下，有一个补偿元件（4）由一金属载体板（20），在其上的结构化的电阻膜（24）粘接绝缘。 从电阻膜（23），无论是低电阻微调用电阻（6，19）和（13，18）形成了TKO-平衡的较高欧姆微调用电阻，并在TKK区域或网格形式的平衡。 所述调节元件（4）可与合适的塑料，和良好的热传递到换能器容易被扁平载体板（20）连接。 在成品传感器中，补偿元件通过防止机械损伤的封装保护。

公开(公告)号：WO99046605A1

公开(公告)日：1999-09-16

申请号：PCT/DE1999/000268

申请日：1999-02-01

IPC: G01D3/028 ,  G01F1/684 ,  G01F1/688 ,  G01L9/00 ,  G01L11/00 ,  G01L21/10 ,  G01P15/00 ,  G01P15/08 ,  G01P15/12

CPC classification number: G01L11/002 ,  G01D3/028 ,  G01F1/6845 ,  G01F1/6888 ,  G01L21/10 ,  G01P15/008 ,  G01P15/0802 ,  G01P15/12

Abstract: The invention relates to a measuring device with at least one microsensor (5). The at least one microsensor has at least two chambers (20, 30) which are filled with a gas. Said chambers (20, 30) are interconnected by at least one channel (40) and are sealed off in such a way that they are outwardly gas-tight. A detection device (70) for detecting a gas stream flowing through the at least one channel (40) is provided, said gas stream being caused by different pressures being present in the chambers. The invention also relates to a method for producing an inventive microsensor.

Abstract translation: 本发明涉及一种测量装置与至少一个微传感器（5），其中测量设备下式成立：所述至少一个微传感器具有至少两个填充有气体腔室（20，30）; 腔室（20，30）由至少一个通道（40）相互连接; 腔室（20，30）是气密地在外面完成的其余部分; 并且提供了用于检测所述至少一个通道（40）的气体流，其气流来由于在腔室的各种通行的压力在中流动的电流的检测装置（70）。 此外，本发明涉及一种用于发明微型的制备方法。

公开(公告)号：WO9208279A3

公开(公告)日：1992-06-25

申请号：PCT/US9107866

申请日：1991-10-24

Applicant: ROSEMOUNT INC

Inventor： JARAMILLO RAFAEL ,  FRICK ROGER L ,  CARLSON KAREN B ,  PASCHKE RANDY K ,  THRONE CHRISTOPHER M

IPC: G01D3/024 ,  G01D3/02 ,  G01D3/028 ,  G08C19/02

CPC classification number: G01D3/022 ,  G08C19/02

Abstract: A process variable transmitter (50) which has a manual adjustment (60) for span and zero or the like. The adjustment (60) has a finer adjustment range where the output changes responsive to changes in the position of the adjustment. The adjustment has a coarse range where the transmitter output changes automatically as a function of time to provide coarser adjustment. An operator can move the adjustment back and forth between the adjustment ranges until a desired output value is observed. When adjustment is complete, the operator can manually select the desired transmitter output value and then a selection circuit (68) stores the setting in non-volatile memory (66, 13). After a setting is stored, the transmitter output is not sensitive to movement of the manual adjustment (60), but is instead controlled by the stored setting.

公开(公告)号：WO8703436A3

公开(公告)日：1987-07-16

申请号：PCT/GB8600705

申请日：1986-11-19

Applicant: DRALLIM IND ,  GIMBLETT CHRISTOPHER FRANCIS

Inventor： GIMBLETT CHRISTOPHER FRANCIS

IPC: G01D3/02 ,  G01D3/028 ,  G01D5/12 ,  H03M1/00 ,  H03M1/06 ,  H03M1/56

CPC classification number: G01D3/022 ,  H03M1/123 ,  H03M1/56

Abstract: An addressable transducer interface which may be associated with a particular electrical transducer, comprises means (107) for storing correction data for the correction of errors as herein defined relating to that transducer so that on addressing of the interface by external control means, the correction data may be transmitted to the control means together with measurement data from the transducer. The storing means is arranged to store said correction data in digital form. The interface includes an analogue to digital converter circuit which comprises means (305, 306) for charging a capacitor (303) of a given value from a source of constant current of a given value, voltage comparator means (310, 311, 312) arranged to compare the value of an analogue voltage signal on an input with the charge voltage in said capacitor, a digital counter (301) arranged to start a count of cycles of a reference frequency when charging the capacitor is commenced from zero charge, a shift register (316, 317, 318) and a loading circuit arranged to cause the instantaneous count in said counter to be loaded into said shift register at the time when the charge in said capacitor is detected by said comparator as being equal to the value of the analogue signal.

公开(公告)号：WO2022047789A1

公开(公告)日：2022-03-10

申请号：PCT/CN2020/113786

申请日：2020-09-07

Applicant: 深圳市汇顶科技股份有限公司

Inventor： 李可 ,  杨明 ,  陈淡生

IPC: G01V3/00 ,  G01D5/24 ,  G01D3/028

Abstract: 提供了一种接近检测装置及电子设备，有利于提升人体接近设备和非人体接近设备的区分度。该装置用于电子设备，包括：第一电极、第二电极、以及用于检测第一电极和第二电极之间的互容值的变化量的检测模块，该检测模块与第一电极及第二电极相电连接，所述互容值的变化量用于确定电子设备的接近状态，其中，在人体接近电子设备的情况下，互容值的变化量为第一变化量，在非人体接近所述电子设备的情况下，互容值的变化量为第二变化量，该第一变化量和该第二变化量为一正一负。