Patents by Inventor Karl Griessbaum
Karl Griessbaum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11940313Abstract: A measuring device is provided. The measuring device includes a sensor unit configured to detect a measurement signal, upstream measuring device electronics that include a signal processing circuit and an input interface, and a power limitation circuit arranged to limit the power supplied by the external power supply at the input interface.Type: GrantFiled: December 7, 2020Date of Patent: March 26, 2024Assignee: VEGA Grieshaber KGInventors: Marius Isenmann, Karl Griessbaum
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Publication number: 20230314173Abstract: An evaluation device is provided for processing measurement data from a measurement device, the evaluation device including: at least a first two-wire interface, configured for communication between the evaluation device and the measuring device; at least one first communication circuitry, configured to provide communication with the measurement device in a first communication mode via the at least one first two-wire interface; at least one second communication circuitry, configured to provide communication with the measurement device in a second communication mode via the at least one first two-wire interface; and at least one first selection circuitry, configured to activate the first communication circuitry or the second communication circuitry in such a manner that the evaluation device communicates with the measuring device via the at least one first two-wire interface in the first communication mode or in the second communication mode.Type: ApplicationFiled: August 10, 2020Publication date: October 5, 2023Applicant: VEGA Grieshaber KGInventors: Roland WELLE, Karl GRIESSBAUM
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Publication number: 20230274631Abstract: A measuring device for detecting a measured value is provided, including: at least one two-wire interface configured for communication of the measuring device with an evaluation device; at least one first communication device configured to provide communication with the evaluation device in a first communication mode via the at least one two-wire interface; at least one second communication device configured to provide communication with the evaluation device in a second communication mode via the at least one two-wire interface; at least one selection device configured to activate the first communication device or the second communication device such that the measuring device communicates with the evaluation device via the at least one two-wire interface in the first communication mode or in the second communication mode. A method for selecting a communication mode of a measuring device, and a system for acquiring a measured value, are also provided.Type: ApplicationFiled: August 6, 2020Publication date: August 31, 2023Applicant: VEGA Grieshaber KGInventors: Roland WELLE, Karl GRIESSBAUM
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Publication number: 20230048795Abstract: An electronic device for a level measurement probe for measuring a level of a medium is provided, including: at least one first excitation electronic device configured to emit a first excitation signal; and at least one second excitation electronic device configured to emit a second excitation signal, the first excitation signal and the second excitation signal being different, and the electronic unit being configured to emit the first excitation signal and the second excitation signal simultaneously to the level measurement probe.Type: ApplicationFiled: January 5, 2021Publication date: February 16, 2023Applicant: VEGA GRIESHABER KGInventors: Karl GRIESSBAUM, Holger STAIGER, Siegbert WOEHRLE
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Publication number: 20230024136Abstract: A sensor device for process variable determination in an industrial environment, comprising a sensor base and a first expansion module. The sensor base includes circuitry that determines the process variable, a first mechanical interface for mechanically accommodating a first expansion module and a first communication interface to the first expansion module for transmitting measurement and/or control data. In this case, the first expansion module has a second mechanical interface to the sensor base, a third mechanical interface for mechanically accommodating a second expansion module, a second communication interface to the sensor base for transmitting measurement and/or control data, and a third communication interface to the second expansion module for transmitting measurement and/or control data.Type: ApplicationFiled: December 20, 2019Publication date: January 26, 2023Applicant: VEGA Grieshaber KGInventors: Karl GRIESSBAUM, Roland WELLE
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Patent number: 11516029Abstract: Described is a process measurement device having an interface for connecting a plug-in memory, in which a processing measurement device includes a memory operating device that can switch the process measurement device into a memory access mode when the memory is connected to the process measurement device. Also described is a power supply that ensures that the energy demand required for read access or write access to the process measurement device is automatically covered after the connection of the memory by increasing the amount of electrical energy that is freely available in the process measurement device. Undesired undersupply of the process measurement device can thereby be effectively avoided.Type: GrantFiled: October 12, 2017Date of Patent: November 29, 2022Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Karl Griessbaum, Joerg Boersig, Holger Staiger, Clemens Hengstler, Thomas Oehler, Manuel Harter
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Patent number: 11387543Abstract: A field device having a metal housing, a connection line guided through a cable bushing and a radio module having an antenna, wherein the antenna extends, at least in sections, outside of the housing parallel to the connection line and in the cable bushing.Type: GrantFiled: March 8, 2019Date of Patent: July 12, 2022Assignee: VEGA Grieshaber KGInventors: Thomas Deck, Karl Griessbaum, Juergen Motzer, Daniel Schultheiss
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Patent number: 11231492Abstract: A radar fill level measurement device for determining a fill level of a medium is provided, including a transmitter configured to transmit a transmission signal towards the medium; a receiver configured to receive a reception signal reflected by the medium; and a controller configured to determine the fill level of the medium based on the reception signal and based on at least one evaluation parameter, the radar fill level measurement device being configured to vary a transmitting power of the transmission signal, the controller being further configured to determine a current transmitting power of the transmission signal, and the controller being further configured to vary, based on the determined current transmitting power, a value of the at least one evaluation parameter and/or at least one measurement signal that correlates with the reception signal, such that the fill level is determined taking into account the transmitting power.Type: GrantFiled: June 21, 2018Date of Patent: January 25, 2022Assignee: VEGA Grieshaber KGInventors: Christian Hoferer, Joachim Benz, Thomas Deck, Johannes Franz, Martin Gaiser, Karl Griessbaum, Juergen Haas, Andreas Isenmann, Manuel Kaufmann, Juergen Motzer, Daniel Schultheiss, Roland Welle
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Patent number: 11150122Abstract: A fill level radar device is provided, including two at least partially different signal source assemblies for heterodyne mixing of the received reflected signal of the filling material surface with a second signal in order to create an intermediate frequency signal having a uniform frequency that does not depend on the frequency of the first signal.Type: GrantFiled: June 18, 2018Date of Patent: October 19, 2021Assignee: VEGA Grieshaber KGInventors: Karl Griessbaum, Roland Welle, Bernhard Corbe
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Publication number: 20210218122Abstract: A field device having a metal housing, a connection line guided through a cable bushing and a radio module having an antenna, wherein the antenna extends, at least in sections, outside of the housing parallel to the connection line and in the cable bushingType: ApplicationFiled: March 8, 2019Publication date: July 15, 2021Inventors: Thomas Deck, Karl Griessbaum, Juergen Motzer, Daniel Schultheiss
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Patent number: 11063368Abstract: An antenna assembly for a level radar for detecting a topology of a filling material surface is provided. For example, the antenna assembly comprises antenna elements which are designed and/or configured to transmit and/or receive the electromagnetic measurement signal. The distances between adjacent elements are non-equidistant with respect to one another, and the minimum distance between two elements can correspond to one half of a wavelength of the electromagnetic measurement signal.Type: GrantFiled: April 1, 2015Date of Patent: July 13, 2021Assignee: VEGA Grieshaber KGInventors: Roland Welle, Steffen Walde, Karl Griessbaum
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Publication number: 20210190570Abstract: A measuring device is provided. The measuring device includes a sensor unit configured to detect a measurement signal, upstream measuring device electronics that include a signal processing circuit and an input interface, and a power limitation circuit arranged to limit the power supplied by the external power supply at the input interface.Type: ApplicationFiled: December 7, 2020Publication date: June 24, 2021Applicant: VEGA Grieshaber KGInventors: Marius ISENMANN, Karl GRIESSBAUM
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Patent number: 11029187Abstract: A fill level radar device for fill level measurement in accordance with the reflectometer method is provided, including a control circuit that is designed for changing the number of steps, the frequency spacings between the individual steps, the durations of the individual steps, the width of the frequency band, the frequency of the lowest step and/or the frequency of the highest step. The operating sequence can be optimised thereby.Type: GrantFiled: June 14, 2018Date of Patent: June 8, 2021Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Karl Griessbaum
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Patent number: 11022475Abstract: A fill level radar device including a signal source assembly, an operating parameter determination circuit and an operating parameter adjustment circuit that is designed to change a sweep parameter of a continuous wave transmission signal on the basis of a characteristic variable of a measurement environment or measurement sequence that is input by the user or detected by the measurement device.Type: GrantFiled: June 21, 2018Date of Patent: June 1, 2021Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Karl Griessbaum
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Patent number: 11015969Abstract: A fill level radar device including a transmission-power adjustment apparatus which is configured to adjust the power of the transmission signal depending on the frequency of the transmission signal in accordance with a predefinable correlation. As a result, frequency-dependent absorption changes in the filling material atmosphere can be compensated for by the device.Type: GrantFiled: June 21, 2018Date of Patent: May 25, 2021Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Karl Griessbaum
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Patent number: 10948333Abstract: A radar level indicator comprising a processor, an analogue-digital converter circuit and an intermediate memory connected therebetween. The intermediate memory is configured to receive digital signals from the analogue-digital converter circuit at a first data rate. The processor is configured to read out the intermediate memory at a second data rate that is different from the first data rate. It is thus possible to reduce the transmission time while maintaining the same energy requirement.Type: GrantFiled: May 8, 2018Date of Patent: March 16, 2021Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Joerg Boersig, Karl Griessbaum
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Patent number: 10866134Abstract: A FMCW fill level radar device including a control circuit for temporarily shifting, during the measuring phase, one component of the transceiver circuit into a state having reduced power consumption, resulting in the measurement being interrupted. This results in the total power consumption of the fill level radar device being reduced such that energy can be accumulated in the device, after which the measuring phase is continued.Type: GrantFiled: June 21, 2018Date of Patent: December 15, 2020Assignee: VEGA GRIESHABER KGInventors: Karl Griessbaum, Roland Welle
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Patent number: 10704948Abstract: A reflection microwave barrier for monitoring a limit level in at least one working area by outputting a switching signal. The reflection microwave barrier including a microwave transmitter for continuously emitting a time modulated microwave signal, a microwave receiver arranged on the same side of the at least one working area as the microwave transmitter to receive a reflection of the microwave signal, and a control circuitry communicating with the microwave receiver for a detection and monitoring of echo signals in the received reflection of the microwave signal. The control circuitry calculates the runtime of an echo signal), when the amplitude of the echo signal rises or increases. Furthermore, the control circuitry determines by the calculated runtime, whether an origin of the echo signal lies within the at least one working area, and only outputs the switching signal in this case.Type: GrantFiled: June 14, 2017Date of Patent: July 7, 2020Assignee: VEGA GRIESHABER KGInventors: Roland Welle, Steffen Waelde, Karl Griessbaum
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Publication number: 20200103268Abstract: Fill level gauge with a single continuously measuring fill level sensor and at least one processor for controlling the fill level sensor and for evaluating the measurements, with the fill level gauge having at least a first operating mode and a second operating mode for determining the fill level, with the measuring device showing in the first operating mode a first measurement rate and a first measurement precision and in the second operating mode showing a second measurement rate and a second measurement precision, wherein the first measurement rate is lower than the second measurement rate and/or the first measurement accuracy is lower than the second measurement accuracy.Type: ApplicationFiled: August 27, 2019Publication date: April 2, 2020Inventors: Karl Grießbaum, Jürgen Motzer, Jürgen Skowaisa, Jürgen Haas
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Publication number: 20200059374Abstract: Described is a process measurement device having an interface for connecting a plug-in memory, in which a processing measurement device includes a memory operating device that can switch the process measurement device into a memory access mode when the memory is connected to the process measurement device. Also described is a power supply that ensures that the energy demand required for read access or write access to the process measurement device is automatically covered after the connection of the memory by increasing the amount of electrical energy that is freely available in the process measurement device. Undesired undersupply of the process measurement device can thereby be effectively avoided.Type: ApplicationFiled: October 12, 2017Publication date: February 20, 2020Applicant: VEGA GRIESHABER KGInventors: Roland WELLE, Karl GRIESSBAUM, Joerg BOERSIG, Holger STAIGER, Clemens HENGSTLER, Thomas OEHLER, Manuel HARTER