Patents Assigned to TDK Electronics AG
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Patent number: 11875925Abstract: An electrical component comprises a main body and at least one external electrode that is fastened by a connecting material to the main body. The main body and the external electrode have different coefficients of thermal expansion that determine a critical temperature which, when exceeded, results in a connection between the main body and the external electrode experiencing mechanical stresses that lead to damage to the component. The connecting material has a melting point which is lower than a critical temperature.Type: GrantFiled: February 25, 2020Date of Patent: January 16, 2024Assignee: TDK Electronics AGInventors: Alfred Hofrichter, Franz Rinner
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Patent number: 11875941Abstract: In an embodiment a capacitor includes a winding element arranged in a case, a mounting plate which has a non-conductive material and which is fixed to the case and a metal element arranged between the case and the mounting plate, wherein the metal element includes a protruding part protruding through the mounting plate.Type: GrantFiled: June 17, 2020Date of Patent: January 16, 2024Assignee: TDK Electronics AGInventors: Fabio Augusto Bueno De Camargo Mello, Alessandro Girardi, Moisés Coster, Mozart Minuzzo, Jean Cardoso Generoso
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Publication number: 20240012483Abstract: The present invention relates to an actuator unit which is designed to generate a haptic signal, having a piezoelectric actuator which is designed to change its extent in a longitudinal direction as a function of an electrical voltage, a mechanical amplifier which is designed to amplify the haptic signal by converting the change in extent of the piezoelectric actuator into a movement of the actuator unit, wherein the movement occurs in the longitudinal direction, and the movement of the actuator unit occurs over a distance which is longer than the change in extent of the piezoelectric actuator, and the longitudinal direction is the direction in which an extent of the piezoelectric actuator is largest.Type: ApplicationFiled: November 10, 2021Publication date: January 11, 2024Applicant: TDK Electronics AGInventors: Johannes BURGER, Wolfgang WALLNÖFER
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Patent number: 11869685Abstract: A thermistor having a ceramic main body, which contains a ceramic material as the main constituent. The ceramic main body has at least one electrically insulating layer. The electrically insulating layer is arranged within the ceramic main body and contains a main component which has a composition different from the ceramic material.Type: GrantFiled: December 17, 2019Date of Patent: January 9, 2024Assignee: TDK Electronics AGInventor: Michael Naderer
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Publication number: 20240003988Abstract: Embodiments of the present invention are related to an electrical system with a capacitor element and to a method for operating at least one capacitor element in an electrical system, wherein at least one sensor is configured to measure at least one parameter chosen from device parameters and environmental parameters, a processing unit is configured to process the at least one parameter and to evaluate a capacitor element information of the at least one capacitor element based on the at least one parameter, and wherein the capacitor element information includes one or more chosen from a capacitance loss, a tangent variation, a stress, a remaining lifetime, a failure condition, and wherein the at least one sensor includes one or more sensors configured to measure one or more gas species that are chosen from gas species that can be created during a pyrolysis event of one or more components of the capacitor element.Type: ApplicationFiled: October 8, 2021Publication date: January 4, 2024Applicant: TDK Electronics AGInventors: Enrique RANDO, Fernando RODRIGUEZ, Daniel MONTIEL, David PELÁEZ
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Patent number: 11854757Abstract: In an embodiment a switching device includes at least two stationary contacts in a switching chamber and a movable contact in the switching chamber, wherein the switching chamber has a switching chamber wall, wherein each of the stationary contacts projects into the switching chamber through a respective opening in the switching chamber wall, wherein, on an inner side of the switching chamber that faces the movable contact, a continuous surface region occluded from the stationary contacts is located between the openings in the switching chamber wall, wherein the continuous surface region includes a trench, wherein the continuous surface region is arranged between at least two dam-like raised portions extending above the inner side of the switching chamber, and wherein the continuous surface region is arranged symmetrically in relation to the stationary contacts.Type: GrantFiled: August 24, 2022Date of Patent: December 26, 2023Assignee: TDK Electronics AGInventors: Frank Werner, Robert Hoffmann
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Patent number: 11850630Abstract: A device and a method for producing haptic feedback are disclosed.Type: GrantFiled: February 5, 2019Date of Patent: December 26, 2023Assignee: TDK Electronics AGInventors: Daniel Neuwirth, Roman Puchleitner, Aditya Rajapurkar, Andreas Pentscher-Stani
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Patent number: 11837424Abstract: In an embodiment a contact arrangement includes a retaining element with a cylindrical hole having a cylinder axis configured to arrange the retaining element on a shaft and a contact bridge attached to the retaining element, wherein the contact bridge has a top side with at least one contact region and a bottom side opposite the top side, and wherein, via a rotation around the cylinder axis, the contact bridge is transferable to a locked state on the retaining element in a direction along the cylinder axis.Type: GrantFiled: March 5, 2020Date of Patent: December 5, 2023Assignee: TDK Electronics AGInventors: Robert Hoffmann, Robert Minkwitz
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Publication number: 20230386739Abstract: A compact coupled inductor with improved properties is provided. The coupled inductor comprises a shared leg between a base and a top and two center legs between the base and the top and a first vertical gap in the first center leg and/or the second center leg.Type: ApplicationFiled: September 30, 2021Publication date: November 30, 2023Applicant: TDK Electronics AGInventors: Stefan WEBER, Youli (Leo) YAO, Steve SISK
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Patent number: 11823847Abstract: A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a method for manufacturing a capacitor includes winding an anode foil, separators and a cathode foil around an axis to form a winding element, flooding the winding element with a polymer dispersion, wherein the polymer dispersion contains electrically conductive solid polymer particles or a polymer powder and a solvent and applying pulses of overpressure to the flooded winding element.Type: GrantFiled: September 22, 2021Date of Patent: November 21, 2023Assignee: TDK Electronics AGInventors: Norbert Will, László Dobai, Péter Kerepesi, Csaba Tóth
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Patent number: 11823848Abstract: An electrolytic capacitor comprises a case, a capacitor element mounted in the case and an element for controlling gas diffusion between inside and outside the case. The controlling element is embedded in the case.Type: GrantFiled: November 30, 2020Date of Patent: November 21, 2023Assignee: TDK Electronics AGInventors: Róbert Bósze, Gábor Székely, Tamás Lakatár, András Dugmonits, Ottó Klug
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Patent number: 11792910Abstract: In an embodiment a process for producing ozone includes applying an input voltage to an input area of a piezoelectric transformer so that a high voltage is generated in an output area of the piezoelectric transformer, wherein the piezoelectric transformer is operated in a pulsed manner such that phases in which the input voltage is applied to the piezoelectric transformer and phases in which the input voltage is not applied to the piezoelectric transformer alternate at regular intervals and surrounding the piezoelectric transformer with an oxygenic process gas so that the ozone is formed from the process gas by the high voltage generated in the output area.Type: GrantFiled: June 29, 2021Date of Patent: October 17, 2023Assignee: TDK Electronics AGInventors: Michael Weilguni, Markus Puff, Pavol Kudela
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Patent number: 11776761Abstract: A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed. In an embodiment a method for manufacturing a capacitor includes winding an anode foil, separators and a cathode foil around an axis to form a winding element, flooding the winding element with a polymer dispersion, wherein the polymer dispersion contains electrically conductive solid polymer particles or a polymer powder and a solvent and applying pulses of overpressure to the flooded winding element.Type: GrantFiled: September 22, 2021Date of Patent: October 3, 2023Assignee: TDK Electronics AGInventors: Norbert Will, László Dobai, Péter Kerepesi, Csaba Tóth
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Patent number: 11755112Abstract: A pen-shaped input and/or output device and a method for generating a haptic signal are disclosed. In an embodiment a device includes an actuator unit that has a piezoelectric actuator, wherein the device is a pen-shaped input and/or output device, wherein the pen-shaped input and/or output is configured to use the piezoelectric actuator as a sensor, wherein the piezoelectric actuator is configured to generate a voltage as a result of an actuation of the pen-shaped input and/or output device, and wherein the pen-shaped input and/or output device has a second electronics circuit configured to detect the voltage generated by the piezoelectric actuator and store a characteristic value for the voltage generated.Type: GrantFiled: June 25, 2019Date of Patent: September 12, 2023Assignee: TDK Electronics AGInventors: Georg Kügerl, Harald Kastl, Günter Aflenzer, Roman Puchleitner
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Patent number: 11756712Abstract: In an embodiment a sensor device includes a sensor chip having a plurality of printed ceramic layers and unprinted ceramic layers, at least one termination layer configured to make electrical contact with an electrically conductive material, wherein the termination layer is formed at least on a top side and/or on a bottom side of the sensor chip, wherein the printed ceramic layers are at least partially printed with an electrically conductive material, and wherein an electrical resistance of the sensor chip is determined by an overlap area of the electrically conductive material or by a distance of the electrically conductive material from the termination layer and at least one damping layer directly located at at least a partial area of an outer surface of the sensor chip, wherein the damping layer includes a material which has a greater elasticity than a material of the termination layer.Type: GrantFiled: August 14, 2020Date of Patent: September 12, 2023Assignee: TDK Electronics AGInventors: Alfred Hofrichter, Thomas Feichtinger
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Patent number: 11746001Abstract: A microelectromechanical (MEMS) microphone with membrane trench reinforcements and method of fabrication is provided. The MEMS microphone includes a flexible plate and a rigid plate mechanically coupled to the flexible plate. The MEMS microphone includes a stoppage member affixed to the rigid plate and extending perpendicular relative to a surface of the rigid plate opposite the surface of the flexible plate. The stoppage member limits motion of the flexible plate. The rigid plate includes a reverse bending edge that include a first lateral etch stop that includes a first corner radius and a second lateral etch stop that includes a second corner radius. The first corner radius is more than 100 nanometers and the second corner radius is more than 25 nanometers. Further, a lateral step width between the first corner radius and the second corner radius is less than around 4 micrometers.Type: GrantFiled: May 5, 2021Date of Patent: September 5, 2023Assignees: TDK Electronics AG, TDK CorporationInventors: Pirmin Hermann Otto Rombach, Kurt Rasmussen, Dennis Mortensen, Cheng-Yen Liu, Morten Ginnerup, Jan Tue Ravnkilde, Jotaro Akiyama
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Patent number: 11740280Abstract: An electric component with a fail safe element is disclosed. In an embodiment a component includes a functional element and a fail safe element electrically interconnected therewith, wherein the fail safe element is configured to ensure a minimum resistance or a minimum conductivity of the component in the event of a failure of the functional element.Type: GrantFiled: May 24, 2018Date of Patent: August 29, 2023Assignee: TDK Electronics AGInventors: Alfred Hofrichter, Volker Wischnat, Johann Pichler
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Patent number: 11742166Abstract: In an embodiment a switching device includes a first fixed contact element, a second fixed contact element, a movable contact bridge, a movable shaft configured to move the contact bridge, wherein the contact bridge is arranged at an end of the shaft, wherein the shaft is movable to a first position at which the contact bridge contacts the first and second contact elements, and wherein the shaft is movable to a second position at which the contact bridge is arranged at a distance from the first and second contact elements and a setting device configured to set the distance between the contact bridge and the first and second contact elements in the second position, wherein the setting device is arranged at the end of the shaft, and wherein the switching device is configured to switch an electrical load.Type: GrantFiled: February 6, 2019Date of Patent: August 29, 2023Assignee: TDK Electronics AGInventors: Robert Hoffmann, Jonas Weinhardt
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Publication number: 20230268126Abstract: The present invention relates to a ceramic material for a multilayer capacitor. The ceramic material has a composition according to the following general formula: Pb(y?1.5a?0.5b+c+0.5d?0.5e?f)CaaAb(Zr1?xTix)(1?c?d?e?d)EcFedNbeWfO3, where A is one or more of the group of Na, K and Ag; E is one or more of the group of Cu, Ni, Hf, Si and Mn; and 0<a<0.14, 0.05?x?0.3, 0?b?0.12, 0<c?0.12, 0?d?0.12, 0?e?0.12, 0?f?0.12, 0.9?y?1.5 and 0.001<b+c+d+e+f applies. Further, the invention includes a capacitor comprising the described ceramic material.Type: ApplicationFiled: June 22, 2021Publication date: August 24, 2023Applicant: TDK Electronics AGInventors: Thorsten Bayer, Michael Schossmann
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Patent number: 11710946Abstract: A gas arrester is disclosed. In an embodiment a gas arrester for a data line system includes a discharge electrode, a plurality of individual electrodes configured to connect data lines and a common gas discharge region formed between the individual electrodes and the discharge electrode, wherein the gas arrester is configured to reduce voltage differences between lines or line pairs of the data line system with more than 2 lines.Type: GrantFiled: June 4, 2021Date of Patent: July 25, 2023Assignee: TDK Electronics AGInventor: Robert Hoffmann