Patent application number | Description | Published |
20090299662 | Evaluation of an Echo Shape of Filling Level Sensors - A transit-time fill-level measuring device for measuring the fill level of a filling material in a container is stated, in which transit-time fill-level measuring device information about the topography of the filling material surface is determined on the basis of the shape of a single echo curve of the receiving signal. From this the fill volume can then be derived. | 12-03-2009 |
20100123615 | Potential Separation for Filling Level Radar - For safety reasons the potential of an electrical supply line of a radar sensor should be separate from the potential of the filling level container. An arrangement for potential separation for a filling level radar is provided, which arrangement comprises a separation element for insulating the waveguide from the antenna. The separation element, corresponding to the cross section of the waveguide, is ring shaped. In this way rotatability between the sensor housing and the antenna subassembly is provided without influencing the signal line between the antenna and the waveguide. | 05-20-2010 |
20100223019 | Measuring Filling Level by Means of Evaluating an Echo Curve - A method for filling level measuring comprises generating an echo curve and analysing the echo curve by means of an analysis method. The analysis method is at least one analysis method selected from the group of analysis methods comprising analysing the echo curve by means of at least two parallel tasks, and analysing the echo curve by comparing the echo curve with a spurious-echo curve at the IF-level. | 09-02-2010 |
20100307251 | Detailfunction Based Measurement - Methods and apparatuses for finding, extracting and for providing of echoes with detail functions are described. In particular, an echo extraction method for extracting an echo from an echo function is described. The method comprises receiving the echo function and decomposing the echo function in at least one detail function. The at least one detail function comprises a plurality of first coefficients. Each of the at least one detail functions represents a different degree of detail of the echo function. The degree of detail relates to a form of a base function. Furthermore, the method comprises eliminating at least one of the plurality of first coefficients and applying a reconstruction regulation or scheme, which depends on the form of the base function, for generating a smoothed echo function. Thereafter, at least one echo is determined from the smoothed echo function. | 12-09-2010 |
20110238352 | False Echo Storage in Case of Container Noise - The invention relates to false echo storage in the area of level measurement. The decision as to whether or not to initialize and/or update the false echo memory is made using at least one value for the sensor-inherent noise, container noise and/or EMC noise for this purpose. This may make it possible to avoid identifying a false echo as the level echo. | 09-29-2011 |
20120035867 | Mobility Detection in Fill-Level Measuring Devices - Detecting the mobility of a fill level echo according to the following steps. The echo characteristic of a first echo of the echo curve and an echo characteristic of a second echo of the echo curve are determined. This is followed by calculation of a mobility value of the second echo with the use of the first echo characteristic. In this way a situation can be achieved in which the differences in the mobility values of echoes relating to the fill level and those echoes that are due to container internals become greater. | 02-09-2012 |
20120174664 | Amplitude profiling in filling-level measuring devices - An electronics unit and a method for a filling-level measuring device for determining a filling level. The unit including an arithmetic unit determining a functional relationship between a distance between a filling material surface and the filling-level measuring device and an amplitude of a signal component reflected by the filling material surface and received by the filling-level measuring device; an amplitude profiler creating a profile of amplitude values of filling level echoes which have been measured so far; and an amplitude evaluator determining an expected amplitude of the filling level echo at a particular location with help of the profile of amplitude values. | 07-12-2012 |
20120221261 | Evaluation of an Echo Shape of Filling Level Sensors - A transit-time fill-level measuring device for measuring the fill level of a filling material in a container is stated, in which transit-time fill-level measuring device information about the topography of the filling material surface is determined on the basis of the shape of a single echo curve of the receiving signal. From this the fill volume can then be derived. | 08-30-2012 |
20120299768 | Device and method for determining media characteristics and container characteristics - A fill-level measuring device includes a self-learn device that is able to automatically determine the length of the dome shaft of the container. To this effect the self-learn device uses a multiple echo classified as such by a multiple-echo detection device. In this manner the result of fill level measuring may be improved. | 11-29-2012 |
20120324994 | Determination of media characteristics in fill-level measuring - For calculating the fill level in a container two echo curves are acquired that image the reflection conditions along two different measuring paths. On their way to the filling material surface or the separating layer surface the corresponding measuring signals cover different electrical distances. From the two echo curves a characteristic value can be calculated that reflects a physical characteristic of the covering medium. From this, the fill level can then be determined with increased accuracy. | 12-27-2012 |
20130000400 | Device for emulsion measuring by means of a standpipe - A measuring device is for determining a separating layer or a mixing ratio in a container. The measuring device comprises two fill-level measuring apparatuses that acquire the echo curves in a standpipe and outside the standpipe, respectively. Solely from these two echo curves the position of a virtual boundary layer or the mixing ratio of the two different liquids can be determined. | 01-03-2013 |
20130106358 | Charging of secondary cells (accumulators) with regulated input current | 05-02-2013 |
20130110420 | Device and method for determining media and container properties | 05-02-2013 |
20130118251 | Evaluation device and method for determining a characteristic variable for the location of a boundary surface in a container - An evaluation apparatus and a method for determining a characteristic variable for the location of a boundary surface in a container are described, wherein a multiple echo having at least the order of one is recognized in an echo curve. The characteristic variable for the location of the boundary surface in the container is determined based on the position of the multiple echo and the order of the multiple echo. | 05-16-2013 |
20140026651 | Linear relationship between tracks - Described are a delay-based fill-level measurement device and a delay-based fill-level measurement method, in which the echoes of successive echo curves are grouped and combined into tracks. Subsequently, the linear relationship between two tracks is determined and this linear relationship is used so as to determine one or more unknowns therefrom. From this, for example the dielectric constant of the filling medium, the container depth or probe length of a probe of the device or the position of an expected echo can be derived. | 01-30-2014 |
20140047896 | Apparatus and method for correcting an offset - An offset determination apparatus and a method are for correcting an offset by supplying a switch-off signal outside a predefinable measuring range of time-expanded sampling values of a reflection signal, which switch-off signal can deactivate a transmitter device at least intermittently in order to generate a predefinable quiescent range within the time-expanded sampling values of the reflection signal and in that, by evaluating at least one sampling value of the time-expanded sampling values which is determined within the quiescent range, a value of an amplitude offset of the time-expanded sampling values of the reflection signal from a normal value is determined and is supplied at an output of the offset provision device. | 02-20-2014 |
Patent application number | Description | Published |
20090128396 | Filling Level Sensor for Short Measuring Distances - A filling level sensor for a short distance measurement includes a first antenna transmitting a transmission signal to a material surface; a second antenna receiving a reception signal reflected by the material surface; and a common outer enclosure enclosing the first antenna and the second antenna. | 05-21-2009 |
20100000316 | System for Manufacturing a Modularly Structured Apparatus for Determining a Physical Process Quantity, and Standardized Components - A system for providing different versions of a modularly structured apparatus for determining a physical process quantity, wherein at least two devices to be generated from the system are based on different measuring principles, including a number sensor units ( | 01-07-2010 |
20140336988 | Service module for a level measuring device and automated service method - A service module is for a level measuring device, which after being connected to the level measuring device can identify automatically the level measuring device, the operating program version used by the level measuring device and a status message generated by the level measuring device. Then the service module determines on the basis of the status message, what data is required from the level measuring device in order to identify a status of the level measuring device, which status is associated with the status message. This data is received on a data storage unit, which unit can be analysed in the laboratory. A service engineer is not required on site. | 11-13-2014 |
20140340259 | TOPOLOGY DETERMINATION FOR BULK MATERIALS - For determining the topology of a bulk material surface, a series of echo curves are detected in different primary radiation directions of the antenna. Subsequently, for each distance cell of the echo curves, the maximum of all of the echo curves is determined and the distance thereof is plotted as a function of the coordinates thereof so as to obtain an image of the topology of the bulk material surface in two or three dimensions. | 11-20-2014 |
Patent application number | Description | Published |
20090059947 | High-availability communication system - There is described a communication system for reliable communication between communication stations, wherein there is at least one communication connection between the communication stations, wherein the communication connection features at least two channels for transmitting payload data telegrams, wherein only one channel acts as primary channel for the communication at any time, and wherein the other channels are provided as backup channels. A status indicator in the payload data telegram is provided for the indication of information concerning which channel is primary channel or backup channel at a given time point, wherein the communication stations adopt as primary channel that channel for which, during receipt of the payload data telegrams, the most recent status change from backup channel to primary channel was detected by the communication stations. | 03-05-2009 |
20120089749 | Network and Method for Operating the Network - A method for operating a network with two control devices and at least one peripheral device, wherein each of the control devices, in relation to the peripheral device, is in an active operating state in which it is sending control instructions to the peripheral device or is in an idle operating state in which it is not sending any control instructions to the peripheral device. The control device that is in the active operating state in relation to the peripheral device sends synchronization signals at regular intervals to the other control device and activity signals to the peripheral device. Upon failure of the synchronization signals, the non-active control device checks whether the peripheral device is still receiving activity signals from the active control device. If it is not, the non-active control device assumes control of the peripheral device. | 04-12-2012 |