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WO/2004/068076A1 |
A servo driver (3) includes: an input section (11) for input-specifying the type of an encoder (7) at the side of an actuator (2); a control section (13) for generating a control signal (12) according to the type input; and an encoder si...
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WO/2004/065908A2 |
The invention relates to a sensor, self-sufficient in energy, for recording physical environmental parameters, comprising at least one sensor element, a storage element and a control circuit. A timer circuit, activated by the achievement...
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WO/2004/063673A1 |
The invention concerns an incremental encoder with or without switching channels provided with a device (1) internally generating sinusoidal and/or analog signals concerning an absolute or relative, angular or linear position or a speed,...
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WO/2004/062170A2 |
A field transmitter (10) for transmitting signals representative of process variables has both a normal operating mode and a diagnostic self-test mode. The field transmitter (10) has a physical sensor (12,14) for sensing a process variab...
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WO/2004/057275A2 |
The invention relates to a method for minimising the error of a measurable quantity, in particular a measured signal by filtering with the aid of a variable bandwidth filter. The inventive method consists in adjusting the bandwidth on th...
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WO/2004/055480A1 |
The invention relates to a device for determining and/or monitoring at least one physical process parameter for a medium, comprising at least one sensor (1), which generates at least one control signal and at least one processing/supply ...
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WO/2004/053428A2 |
The process meter serves for the measurement of a physical process parameter of a medium contained in a process vessel or flowing in a process line and comprises a meter probe (10), with a sensor arrangement (60), providing measured sign...
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WO/2004/048898A1 |
The aim of the invention is to systematically record the influence of an individual adverse influence quantity or of a combination of adverse influence quantities on the serviceable life or operability of a field measuring instrument and...
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WO/2004/045075A1 |
A smart switch has a magnetic operator, at least one magnetic sensor located to sense movement of the magnetic operator, and a processor that processes an output of the magnetic sensor so as to detect right and left over travel ranges an...
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WO/2004/040111A1 |
The invention concerns the use of a non-contact partly redundant accelerator sensor (1) for monitoring a vehicle. Said accelerator sensor produces, by means of a non-contact detector (4) and an electronic circuit (5), at least two redund...
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WO/2004/033997A1 |
In a measurement device, according to a measurement signal acquired from an object to be measured, a predetermined physical amount contained in the measurement signal is measured in a predetermined measurement range concerning a particul...
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WO/2004/034037A1 |
The invention refers to a method and an input and output apparatus (1) for inputting and outputting data from a first electronic device (25), wherein the input and output apparatus (1) is detachably mountable to the first electronic devi...
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WO/2004/031695A1 |
The invention relates to a measuring system comprising a measuring device (1), another device (2) and a means for transmitting data (3) enabling bits of data to be transmitted between the measuring device (1) and the other device (2). Th...
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WO/2004/029555A2 |
An improved proximity sensing circuit and method is provided. In particular, the proximity sensing system includes an improved controller comprising a programmable logic device ('PLD') [412]. In one particular aspect of the invention, th...
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WO/2004/025223A2 |
The invention relates to a method for monitoring the function of sensors, for example electrochemical, electrophysical or optical sensors, used to measure and monitor condition parameters of liquids or gases, in particular in the field o...
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WO/2004/018972A1 |
A method for monitoring at least one sensor is disclosed. Error words are transmitted from the sensor to the controller and further differing information characterising error images is used to permit the processor to make a suitable repl...
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WO/2004/017215A1 |
A sensor with a sensor element and a controller with a processor and a method of monitoring at least one sensor are disclosed. An error model is generated within the sensor and transmitted from the sensor to the controller, in order to p...
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WO2002042133A9 |
The invention relates to an active magnetic sensor, in particular for detecting the rotational behaviour of a wheel. Said sensor comprises a magnetoelectric transducer (2), which is electrically connected to a modulator (5), a current-so...
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WO/2004/010085A1 |
The invention relates to a method of maintaining a measuring sensor and to a detector used to perform said method. The inventive method comprises the following steps: at least one first measurement is taken by at least one measuring sens...
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WO/2004/010083A2 |
A system for measuring at least one parameter is provided (10). The system includes a control logic arrangement powered by a power source (12), and an intrinsically safe barrier operatively connected to the control logic arrangement (22)...
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WO/2004/008616A2 |
An apparatus and method thereof for generating an offset voltage utilized in generating angular position estimates is disclosed. A first bridge circuit comprising a first plurality of resistors is generally arranged in a bridge configura...
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WO/2004/005858A1 |
Disclosed is a transmitter which achieves a permanently high security standard in an inexpensive manner. The inventive transmitter comprises a set of identically built sensors (1, 21, 23) for measuring a physical parameter, a set of elec...
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WO/2004/001340A2 |
The invention relates to a transmitter having an improved current output, comprising a measuring sensor (1) which is used to detect a physical measuring variable (X) and to convert it into an electric variable. The transmitter also compr...
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WO/2003/106945A2 |
A compensated sensor includes a sensor(108), a relatively fast feedthrough path, and a relatively slow compensation path. The relatively fast feedthrough path includes a summer (204) and output circuitry, such as a summing amplifier. The...
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WO/2003/102527A2 |
Systems and methods for digitally controlling sensors, one embodiment being a digital controller for a capacitance diaphragm gauge which is embedded in a digital signal processor (DSP). The digital controller receives digitized input fro...
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WO/2003/100353A1 |
A first sin phase voltage representative of the rotational angle of a resolver is derived from the sum of a rotational angle voltage having a temperature element and a bias voltage. The rotational angle voltage and the bias voltage are d...
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WO/2003/098154A1 |
The invention relates to a field device for process automation, wherein a reprogrammable logic module is used in order to achieve high flexibility in relation to hardware components.
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WO/2003/098158A1 |
A method, apparatus and system are disclosed for general use and for specific use when measuring pressure in well bores of hydrocarbon wells. A sensor, an interferometric optical pressure transducer (22), is disposed at the end if a fibr...
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WO/2003/095960A1 |
The invention relates to a method for measurement of temperature with detector (1) which is of the inductive type and comprises a coil (5) and a core (4) movable within the coil, the position of said core in relation to the coil (5) bein...
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WO/2003/095946A1 |
The invention relates to a method for diagnosis of a detector (1) intended for detecting the position of a moving element (9), whereby the detector (1) is of the inductive type and comprises a coil (5) and a core (4) movable within the c...
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WO/2003/091674A2 |
Apparatus and methods are provided for reducing coherent noise in measurements of repetitive analog signal waveforms by digital signal averagers. A conventional DSA (30) being used to record the time-dependent signal (5) constituting a p...
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WO/2003/089881A1 |
A process transmitter (10) is configured to measure a process variable of an industrial process. A housing (12) has a first cavity (42) which houses first transmitter electronic circuitry (50) and provides a barrier (44) between the firs...
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WO/2003/088639A2 |
The present invention relates to the visual representation of an input value, and provides an instrument, which can be given any predefined characteristic of its visual display. Cross-coil instrument is provided, said cross-coil instrume...
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WO/2003/083492A1 |
A capacitive sensor such as a tuning-fork gyroscope or accelerometer having a reduced bias error. The electrical connection of the first capacitive plate to, e.g., a signal measuring device or a voltage source, induces a first voltage di...
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WO/2003/078931A2 |
An electronic measuring system is described. It comprises a switch having a plurality of selectable inputs, the switch being controlled by a controller to select which of the plurality of inputs is fed to an output of the switch. The mea...
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WO/2003/074975A1 |
A sensor assembly is coupled with a control linkage and detects displacement of the control linkage and produces an output signal indicative of that displacement. The zero-point of the sensor assembly is not necessarily aligned with the ...
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WO/2003/067021A2 |
A multi-parameter tool assembly (10) provides for monitoring of one or more parameters, such as those relating to water quality. As part of the tool assembly, a sensor head (30) is configured to receive and electrically interconnected wi...
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WO/2003/064965A1 |
A compensation circuit for compensating for switching point errors in rotating target (58) or gear tooth sensors (56). The compensation circuit may include a processing unit (70) and a persistent storage device (72). The actual and compe...
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WO/2003/065015A1 |
Instead of a conventional means for transmitting a force acting on a float in a solution under test by means of the tension of a string, this electromagnetic gravimeter has a structure wherein a moving element (float) is electromagnetica...
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WO/2003/060386A1 |
The invention relates to a method for ventilating areas. According to said method, at least one parameter (r) of the ambient air is detected using at least one sensor, an output signal (S) of the sensor, which corresponds to the detected...
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WO/2003/058187A1 |
A pressure sensor, a pressure controller and a flow controller in which the pressure can be detected accurately regardless of temperature variation by correcting temperature drift of the pressure sensor automatically. The temperature dri...
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WO/2003/054489A1 |
The invention relates to a field device electronics system comprising a sensor unit (4) for process measurement. The field device electronics system is connected to a sensor unit (4) via corresponding signal paths. The field device elect...
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WO/2003/054481A2 |
The invention relates to a method for detecting and/or monitoring a physical or chemical process variable, which comprises the following steps: recording measured values that represent the physical or chemical process variable; using a m...
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WO/2003/054483A1 |
The invention relates to a sensor arrangement with a number of sensor elements which is read off by means of a read-out means, such that, on various partial measurements, differing difference values can be generated, whereby measured val...
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WO/2003/052369A1 |
A semiconductor structure includes an upper and a lower layer of semiconductor material separated by a layer of insulation material. Resistors formed in the upper layer are connected into a Wheatstone bridge arrangement having an output....
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WO/2003/050479A1 |
The invention relates to an electronic field device (1) with a sensor unit (4) for process measurement, whereby the electronic field device (1) is connected to the sensor unit (4) by means of corresponding signal paths (5, 6), the electr...
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WO/2003/050480A1 |
The invention relates to an electronic field device with a sensor unit (2), for capacitive level measurement in a container (3), whereby the electronic field device is connected to the sensor unit (2) by corresponding signal paths. The e...
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WO/2003/050951A2 |
A power supply rejection circuit (11) and method thereof for capacitively−stored reference voltages is disclosed. The power supply rejection circuit (11) generally comprises a comparison circuit (37) for comparing a signal associated w...
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WO/2003/044467A1 |
The invention relates to a device for measuring and/or monitoring a physical or chemical process variable, comprising a measuring and/or monitoring appliance (2), at least one memory unit (3) and one display, input and/or output unit (4;...
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WO/2003/044468A1 |
The invention relates to a contact-free sender with a signal transmitting unit and a signal receiver unit, whereby the digitised output voltages of the signal receiver unit are analysed as, for example, counter or rotation-direction sign...
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