Patents by Inventor Christian Strittmatter
Christian Strittmatter 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: 12379703Abstract: An automation field device comprises a first, a second, and a third connection pin; and a field device electronics designed to be operated either in a two-conductor mode or in a three-conductor mode. The field device electronics have an energy supply unit designed to provide internal energy supply exclusively by means of the fed current in the two-conductor mode. In the three-conductor mode, an additional auxiliary current is to be fed to the field device electronics via an additional single-wire line connected to the third connection pin, and the energy supply unit is also designed to provide the internal energy supply via the fed current and the fed additional auxiliary current. Furthermore, the field device electronics are designed to use the additionally fed auxiliary current for internal energy supply only if the current fed by means of the two-wire line is not sufficient for the internal energy supply.Type: GrantFiled: April 19, 2021Date of Patent: August 5, 2025Assignee: Endress+Hauser SE+Co. KGInventors: Simon Gerwig, Christian Strittmatter, Bernd Strütt
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Publication number: 20250060719Abstract: A method for controlling energy consumption of a field device of automation technology, comprises determining a minimum available total power for the field device; dividing the minimum available total power among individual modules of the field device in accordance with maximum allowable power requirements for the modules; determining an actual, current power requirement for at least one module; ascertaining a power difference between the maximum allowable power requirement determined for the at least one module and the actually current power requirement of the at least one module; controlling the at least one control component of the at least one module as a function of the ascertained power difference, so that the power difference is minimized, especially becomes zero and the at least one module utilizes the maximum allowable power requirement for such module.Type: ApplicationFiled: December 1, 2022Publication date: February 20, 2025Inventors: Christian Strittmatter, Simon Gerwig, Bernd Dobrunz
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Publication number: 20250048578Abstract: Circuit board for a field device of automation technology comprising a plurality of electronic components (4) and a potting compound container (2) made of a plastic and having a peripheral side wall defining an outer contour of the potting compound container, a potting compound cover adjoining the side wall and an opening located on the potting compound cover far side, wherein the potting compound container is set via the opening over at least a part of the plurality of electronic components (4) and filled with a potting compound in such a manner that electronic components covered by the potting compound have a predetermined, or defined, minimum covering, wherein the potting compound container is, however, not completely filled with potting compound and wherein in the potting compound cover in an edge region, which borders a transition from the side wall to the potting compound cover, at least one gap is present, which extends at least over a convex edge region of the outer contour.Type: ApplicationFiled: September 22, 2022Publication date: February 6, 2025Inventors: Christian Strittmatter, Vitogiuseppe Di Cosola, Andreas Kaiser, Hamid Reza Shahi, Jens Krause
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Publication number: 20240365496Abstract: An automation field device includes a metallic field device housing enclosing an interior; a sensor element and/or actuator element placed on one side on the field device housing, —for actuating and/or acquiring a process variable; an electronic circuit that is arranged in the interior of the field device housing and is configured to provide and/or process a sensor and/or actuator signal for and/or from the sensor element and/or actuator element, the electronic circuit furthermore having at least one field contact plug for transmitting data and/or energy, the field contact plug being guided outward through an opening in the field device housing, a custom-fit plug sleeve being plugged over the field contact plug, said plug sleeve being welded onto the field device housing and being fastened to a retaining means arranged in the interior.Type: ApplicationFiled: July 27, 2022Publication date: October 31, 2024Inventors: Raphael Schonhardt, Michael Lais, Vitogiuseppe Di Cosola, Simon Gerwig, Christian Strittmatter
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Publication number: 20240357761Abstract: A device for receiving a display, and for introduction into a display holder, for a field device of automation technology includes an essentially planar, rectangular, device body having a receiving area formed on a first side of the device body for receiving a display. At least one spring element is arranged on a second side of the device body and formed in such a manner that in a restrained state, in which the device is secured on a support plate, the spring element exerts a spring force on the support plate in such a manner that the device presses the display arranged in the receiving area in the direction of a normal vector of the receiving area.Type: ApplicationFiled: July 27, 2022Publication date: October 24, 2024Inventors: Raphael Schonhardt, Michael Lais, Vitogiuseppe Di Cosola, Christian Strittmatter, Simon Gerwig
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Publication number: 20240356295Abstract: The disclosure relates to a method of installing a first connector for mounting along a longitudinal axis of a housing, in a field device housing, in which the connector is not installed along a longitudinal axis of the field device housing, but parallel to a transverse axis of the field device housing. The method comprises the following steps: providing a first circuit board; providing the field device housing; radially introducing the second circuit board into the field device housing through the housing opening; positioning the first connector of the first circuit board in or at the housing opening; inserting the second rigid connector of the first circuit board into the rigid counterpart connector of the second circuit board; introducing a connector sleeve which precisely fits the first connector into the housing opening and pushing the connector sleeve over the first connector; and welding the connector to the field device housing.Type: ApplicationFiled: July 27, 2022Publication date: October 24, 2024Inventors: Christian Strittmatter, Simon Gerwig, Raphael Schonhardt, Michael Lais, Vitogiuseppe Di Cosola
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Patent number: 12092507Abstract: A method for monitoring condition of a vibronic sensor for determining and/or monitoring at least one process variable of a medium in a containment and having at least one sensor unit having a mechanically oscillatable unit includes: exciting the mechanically oscillatable unit by means of an excitation signal such that mechanical oscillations are executed, and receiving the mechanical oscillations in the form of a received signal, determining a measured value for amplitude and a measured value for frequency of the received signal, comparing the measured values for amplitude and frequency with reference values for amplitude and frequency, and ascertaining a condition indicator from the comparison.Type: GrantFiled: April 8, 2020Date of Patent: September 17, 2024Assignee: Endress+Hauser SE+Co. KGInventors: Kaj Uppenkamp, Christian Strittmatter, Armin Wernet, Sascha D'Angelico
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Publication number: 20240235551Abstract: The invention relates to a level converter for adjusting a first reference potential and/or a first communication voltage of a first component to a second reference potential and/or a second communication voltage of a second component, wherein the level converter is arranged between the first component and the second component, wherein the level converter has a first transistor with a downstream first resistor, wherein the level converter is configured in such a way that the second reference potential drops at the first resistor in a blocked state of the first transistor and that the second communication voltage drops at the first resistor in an open state of the first transistor.Type: ApplicationFiled: January 27, 2022Publication date: July 11, 2024Inventors: Christian Strittmatter, Simon Gerwig, Harald Schäuble
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Publication number: 20240137021Abstract: The invention relates to a level converter for adjusting a first reference potential and/or a first communication voltage of a first component to a second reference potential and/or a second communication voltage of a second component, wherein the level converter is arranged between the first component and the second component, wherein the level converter has a first transistor with a downstream first resistor, wherein the level converter is configured in such a way that the second reference potential drops at the first resistor in a blocked state of the first transistor and that the second communication voltage drops at the first resistor in an open state of the first transistor.Type: ApplicationFiled: January 27, 2022Publication date: April 25, 2024Inventors: Christian Strittmatter, Simon Gerwig, Harald Schäuble
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Publication number: 20230417591Abstract: A method for determining and/or monitoring a predeterminable fill level of a medium in a container using a vibronic sensor having at least one sensor unit with a mechanically vibratable unit, comprises exciting the mechanically vibratable unit with an excitation signal to produce mechanical vibrations, and receiving the mechanical vibrations in the form of a reception signal, determining an amplitude and a frequency of the reception signal, comparing the frequency and amplitude of the reception signal with a predeterminable frequency limit value and a predeterminable amplitude limit value, and determining a reaching of the predeterminable fill level on the basis of the comparison.Type: ApplicationFiled: September 13, 2021Publication date: December 28, 2023Inventors: Kaj Uppenkamp, Armin Wernet, Christian Strittmatter
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Publication number: 20230366921Abstract: The present disclosure relates to an electronic unit including at least one component and a printed circuit board, wherein the at least one component has at least one terminal, wherein the printed circuit board has at least one first contact surface and at least one second contact surface, wherein the at least one first contact surface and the at least one second contact surface are spaced apart from one another, wherein the at least one terminal is joined to the at least two contact surfaces by at least one solder joint. The present disclosure further relates to a method for testing at least one state of an electronic unit.Type: ApplicationFiled: September 13, 2021Publication date: November 16, 2023Inventors: Bernd Strütt, Christian Strittmatter, Christoph Hippin
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Patent number: 11789422Abstract: Disclosed is a field device comprising: a connection terminal; field device electronics; an internal interface for connecting an electronic module; the electronic module having at least one electronic component for realizing an additional functionality; a capacitor, which is designed to provide an additional first auxiliary energy amount to the component if the component of the electronic module has an energy demand exceeding the main power; a battery, which is designed to provide a second auxiliary energy amount to the at least one component if the at least one component of the electronic module has an energy demand exceeding the main power and the first auxiliary energy amount, wherein the battery provides the second auxiliary energy amount to the component only if the main power and the first auxiliary energy amount are not sufficient for the energy supply of the component.Type: GrantFiled: July 30, 2019Date of Patent: October 17, 2023Assignee: Endress+Hauser SE+Co. KGInventors: Harald Schäuble, Simon Gerwig, Christian Strittmatter, Wolfgang Brutschin
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Publication number: 20230324871Abstract: An intrinsically safe field device of automation technology comprises connection terminals via which a current can be supplied; a sensor element and/or actuator element; field device electronics with a current path between the connection terminals and a voltage regulator incorporated into the current path; and an explosion protection unit comprising at least two controllable switching elements, incorporated into the current path in series, and two threshold value circuits designed such that a first threshold value circuit controls a first switching element as a function of a first threshold value, and a second threshold value circuit controls a second switching element as a function of a second threshold value, such that, upon the first and/or second threshold value being reached, the current is limited to the first and/or second threshold value, and the threshold value circuits are connected in parallel to the voltage regulator.Type: ApplicationFiled: August 16, 2021Publication date: October 12, 2023Inventors: Bernd Strütt, Christian Strittmatter, Florian Asal, Simon Gerwig
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Publication number: 20230324869Abstract: An automation field device for use in a potentially explosive area comprises: two connecting terminals for connecting a two-wire line via which a current can be supplied; a sensor and/or actuator element for capturing and/or setting a process variable; a field device electronic system connected to the connecting terminals and designed to provide a power supply for the field device on the basis of the supplied current and also to transmit or receive, by means of the two-wire line, the process variable captured by means of the sensor element and/or a process variable to be set by the actuator element; and an explosion protection unit incorporated in a current path between the two connecting terminals to limit a possible short-circuit current and which comprises the at least two diodes in series and at least one resistor connected in parallel to the at least two diodes.Type: ApplicationFiled: August 16, 2021Publication date: October 12, 2023Inventors: Bernd Strütt, Christian Strittmatter, Simon Gerwig
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Patent number: 11747391Abstract: A method for detecting errors or malfunctions in electrical or electronic components of circuits, wherein each of the circuits is located on a circuit board and wherein a plurality of circuit boards border one another on a circuit board panel, includes populating each of the circuit boards of the circuit board panel with electrical or electronic components corresponding to the circuits; for each of the analog, electrical or electronic components used for the construction of the circuits, placing a corresponding test component in an edge region of the circuit board panel; providing the analog, electrical or electronic test components placed in the edge region of the circuit board panel with test points; and checking for the correct function value and/or the correct poling of the analog, electrical or electronic test components provided with test points and located in the edge region of the circuit board panel.Type: GrantFiled: June 18, 2020Date of Patent: September 5, 2023Assignee: Endress+Hauser SE+Co. KGInventors: Christian Strittmatter, Simon Gerwig, Michael Dötsch
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Patent number: 11751320Abstract: An automation field device comprises a housing that surrounds an inner space; a sensor- and/or actuator element arranged at the housing; an electronic circuit arranged in the housing and having a round, outer contour and a plurality of spring contacts in an edge region. The inner contour of the housing and the edge contour of the first circuit board are adapted to one another so that the first circuit board is introducible into the housing with a main plane orthogonal to a longitudinal axis of the housing. The spring contacts are so arranged on the first circuit board and embodied to hold the first circuit board in the inner space and to produce an electrical connection between the first circuit board and the housing to drain away disturbance currents from the first circuit board.Type: GrantFiled: June 18, 2020Date of Patent: September 5, 2023Assignee: Endress+Hauser SE+Co. KGInventors: Christian Strittmatter, Simon Gerwig, Andreas Fuz
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Publication number: 20230168655Abstract: An automation field device comprises a first, a second, and a third connection pin; and a field device electronics designed to be operated either in a two-conductor mode or in a three-conductor mode. The field device electronics have an energy supply unit designed to provide internal energy supply exclusively by means of the fed current in the two-conductor mode. In the three-conductor mode, an additional auxiliary current is to be fed to the field device electronics via an additional single-wire line connected to the third connection pin, and the energy supply unit is also designed to provide the internal energy supply via the fed current and the fed additional auxiliary current. Furthermore, the field device electronics are designed to use the additionally fed auxiliary current for internal energy supply only if the current fed by means of the two-wire line is not sufficient for the internal energy supply.Type: ApplicationFiled: April 19, 2021Publication date: June 1, 2023Inventors: Simon Gerwig, Christian Strittmatter, Bernd Strütt
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Publication number: 20220330418Abstract: An automation field device comprises a housing that surrounds an inner space; a sensor- and/or actuator element arranged at the housing; an electronic circuit arranged in the housing and having a round, outer contour and a plurality of spring contacts in an edge region. The inner contour of the housing and the edge contour of the first circuit board are adapted to one another so that the first circuit board is introducible into the housing with a main plane orthogonal to a longitudinal axis of the housing. The spring contacts are so arranged on the first circuit board and embodied to hold the first circuit board in the inner space and to produce an electrical connection between the first circuit board and the housing to drain away disturbance currents from the first circuit board.Type: ApplicationFiled: June 18, 2020Publication date: October 13, 2022Inventors: Christian Strittmatter, Simon Gerwig, Andreas Fuz
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Publication number: 20220326672Abstract: An automation field device includes a metal housing having a housing opening; an electronics having a first circuit board; arranged in the housing opening and leading into the housing interior, a cable connection having a plastic part, wherein a cable with an additional plastic part is connectable to the cable connection; and an antenna arranged on the first circuit board. The antenna is embodied for transmitting and receiving electromagnetic waves having a predetermined wavelength, and the antenna is oriented for transmitting electromagnetic waves in toward the housing opening and for receiving electromagnetic waves from the housing opening. The plastic parts are transmissive for the electromagnetic waves.Type: ApplicationFiled: August 20, 2020Publication date: October 13, 2022Inventors: Simon Gerwig, Christian Strittmatter, Eric Bergmann
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Publication number: 20220317175Abstract: A method for detecting errors or malfunctions in electrical or electronic components of circuits, wherein each of the circuits is located on a circuit board and wherein a plurality of circuit boards border one another on a circuit board panel, includes populating each of the circuit boards of the circuit board panel with electrical or electronic components corresponding to the circuits; for each of the analog, electrical or electronic components used for the construction of the circuits, placing a corresponding test component in an edge region of the circuit board panel; providing the analog, electrical or electronic test components placed in the edge region of the circuit board panel with test points; and checking for the correct function value and/or the correct poling of the analog, electrical or electronic test components provided with test points and located in the edge region of the circuit board panel.Type: ApplicationFiled: June 18, 2020Publication date: October 6, 2022Inventors: Christian Strittmatter, Simon Gerwig, Michael Dötsch