Patents Assigned to Preh GmbH
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Publication number: 20220404542Abstract: The invention relates to a function display (1) for selectively displaying several symbols representing one switching function, respectively, and/or at least two switching states, respectively, comprising: a light guide stack which, given an attachment of the function display (1) as intended, forms a display surface (8) facing towards the observer (B); wherein the light guide stack is formed from at least two transparent or translucent, planar light guides (2, 3) arranged in an overlaid manner in a stacking direction, which are arranged so as to be spaced apart by a transparent or translucent layer consisting of a material that is optically thinner compared to the adjacent light guides (2, 3), preferably an air gap (14), so that the light guides (2, 3) each have a main surface (H) facing towards the observer (B) and a main surface (H?) facing away from the observer (B), and, in at least one light guide (2), the main surface (H?) facing away from the observer (B) faces towards a light guide (3) which is most cType: ApplicationFiled: June 15, 2022Publication date: December 22, 2022Applicant: Preh GmbHInventors: Wolfgang SCHUSTEK, Michael BENKERT
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Publication number: 20220340190Abstract: A steering wheel for a motor vehicle is presented. The steering wheel includes a steering wheel hub configured for the detachable attachment to a steering shaft of the motor vehicle; a steering wheel rim fixed to the steering wheel hub; at least one electrode, which is integrated into the steering wheel rim, for the capacitive detection of a touch on the steering wheel rim; an electrically conductive connection disposed outside the steering wheel to apply an electrical measuring potential for touch detection to the electrode, and to detect the touch on the steering wheel rim; a non-volatile data storage unit on or in the steering wheel, wherein the non-volatile data storage unit is in each case configured or developed to be read out by a reading unit disposed outside the steering wheel and connected to the electronic evaluation unit in a data-transmitting manner.Type: ApplicationFiled: April 19, 2022Publication date: October 27, 2022Applicant: Preh GmbHInventors: Manfred SCHNEIDER, Lutz DOEBRICH
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Publication number: 20220317785Abstract: An input device includes a capacitive detection device, which has a detection surface while forming a first array of array electrodes associated with the detection surface, that are arranged so as to cross one another several times while being electrically insulated to form one junction point at the locations where they cross one another; an electronic evaluation unit, which is electrically connected to the array electrodes to form an associated electric measuring field array for the spatially resolving detection of a capacitive influence on the detection surface; a handling means mounted on the detection surface movable along an adjustment path parallel to the detection surface to perform an operating input by a manually effected movement along the adjustment path; and at least one position indicator moved along with the handling means to capacitively influence at least one measuring field of the measuring field array.Type: ApplicationFiled: March 31, 2020Publication date: October 6, 2022Applicant: Preh GmbHInventors: Thomas KLEFFEL, Norbert BAUER
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Publication number: 20220305707Abstract: A method for producing a plastic composite panel which is provided as a layer structure. The method includes providing a film layer structure comprising an adhesive layer which is arranged between two transparent plastic films. The film layer structure is pre-molded to assume an approximately final shape and is arranged in a molding tool so that a first main surface of the film layer structure is towards the molding surface of the molding tool and so that a cavity is formed between the second main surface of the film layer structure and a surface of the molding tool. The film layer structure is then back-molded in a thermal molding method step while introducing a thermoplastic material into the cavity to provide the layer structure. A pre-molding and back-molding step, a rigidification of the thermoplastic layer, and a demolding of the layer structure is further performed.Type: ApplicationFiled: August 7, 2020Publication date: September 29, 2022Applicant: PREH GMBHInventors: PETER LOCHNER, STEFFEN NEUBAUER, BENEDIKT RUECKERT, MARTIN SUENNEMANN
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Publication number: 20220308706Abstract: The invention relates to an input device comprising: a touch-sensitive input surface facing towards an operator (B); a detection device for the spatially resolved detection of an approach towards and touch on the touch-sensitive input surface having a sensor array for capacitive and/or inductive detection, which extends parallel to the input surface; an input part, which is disposed on the input surface and mounted so as to be movable from a rest position (X0) into an actuation position (XE) along an actuating direction (B1) extending perpendicularly to the input surface, for enabling a performance of an operating input by the operator (B) through a manual displacement of the input part along the actuating direction (B1); a position indicator for contactless position detection, which is attached to the input part and cooperates with the detection device; restoring means for generating a restoring force (F) with snap haptics counteracting the manual shifting from the rest position (X0); wherein the detection dType: ApplicationFiled: August 27, 2020Publication date: September 29, 2022Applicant: PREH GMBHInventors: Norbert BAUER, Thomas KLEFFEL
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Publication number: 20220285108Abstract: The present disclosure relates to an operating member including: a support; an actuating part, which defines an actuating surface is mounted on the support by a mount to be movable relative to the support, by manual actuation against a resetting force, while carrying out an actuating movement from a rest position into a depressed position; a detector having at least one force sensor, wherein the detector is adapted to detect at least one position of the actuating part; wherein the mount includes a guidance mechanism having at least one pair of coupled levers, wherein the levers are each pivotably mounted on the support by a first pivot joint and on the actuating part—by a second pivot joint to cause a pivoting movement of the at least one pair of coupled levers by the actuating movement, wherein the guidance mechanism further includes at least one coupling rod.Type: ApplicationFiled: February 17, 2022Publication date: September 8, 2022Applicant: Preh GmbHInventors: Arthur Klossek, Thomas Ofenhitzer, Thilo Schultheis, Andreas Hofmann
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Patent number: 11354003Abstract: A device for spatially resolving a projected capacitive touch detection. The device includes an electrically insulating substrate with a first and a second type of electrically conductive surfaces, and a through-hole. The first type of electrically conductive surfaces are connected in rows to form transmitting electrodes. The second type of electrically conductive surfaces are connected in columns to form receiving electrodes. The first type of electrically conductive surfaces includes non-deformed first type of electrically conductive surfaces and deformed first type of electrically conductive surface(s). The second type of electrically conductive surfaces includes non-deformed second type of electrically conductive surfaces and deformed second type of electrically conductive surface(s). The first type of electrically conductive surfaces and the second type of electrically conductive surfaces are arranged in an alternating manner.Type: GrantFiled: January 26, 2021Date of Patent: June 7, 2022Assignee: PREH GMBHInventors: Rainer Schlegelmilch, Jochen Schlereth
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Patent number: 11340739Abstract: The present disclosure relates to an input device and a method of producing the device. The input device includes a flat panel defining an array of control surfaces, a support disposed on a side of the panel facing away from an operator, and a flat film layer structure disposed between the flat panel and the support which defines an array of capacitive sensors; wherein each capacitive sensor forms a measuring capacitance assigned to one of the control surfaces; wherein the support forms at least one web, which protrudes towards the flat panel and connects to the flat panel to fix the film layer structure between the flat panel and the support.Type: GrantFiled: March 18, 2021Date of Patent: May 24, 2022Assignee: Preh GMBHInventors: David Heurich, Matthias Lembach, Ronald Schmidt
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Publication number: 20220153137Abstract: The present disclosure relates to an input assembly including: a support, an input part, and at least one light source, wherein the input part has at least one input layer having an input surface intended to be touched by an operator, and a light guide for guiding light of the light source towards the display region for backlighting the latter, and wherein the light guide is disposed on the side of the input part facing away from the input surface, a touch-detection device for detecting a touch on the input surface by the operator and/or an actuation detection device for detecting an actuation of the input part by the operator, and an electromagnetic actuator for exciting a movement of the input part along the direction of movement by means of an electric control signal in order to generate a haptic feedback, wherein the actuator includes an electromagnet.Type: ApplicationFiled: March 3, 2020Publication date: May 19, 2022Applicant: Preh GmbHInventors: Johannes DÜNNINGER, Michael JORDAN
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Publication number: 20220153192Abstract: A vehicle steering wheel system is provided. The system includes a steering wheel body with a hub region for attachment to a steering shaft of a vehicle steering system, a steering wheel rim and at least one spoke for attaching the steering wheel rim to the hub region; an electromechanical triggering device for triggering an acoustic output by means of an acoustic warning device of the vehicle, wherein the triggering device has an impact absorber cover and at least one force transducer wherein a force value threshold is predefined for each force transducer, and a wake-up signal is transmitted via the data connection to the evaluation unit if the force value threshold is exceeded by at least one force value, so that the latter changes from the energy-saving mode into the operating mode in which an actuating force value is determined by force value measured by the at least one force transducer.Type: ApplicationFiled: February 17, 2020Publication date: May 19, 2022Applicant: Preh GmbHInventors: Oliver KATZENBERGER, Stefan WAHL, Dirk RUETZEL, Martin SCHÄFER, Sebastian SCHRENK
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Publication number: 20220153193Abstract: The present disclosure relates to a vehicle steering wheel, including: a steering wheel body with a hub region for attachment to a steering shaft, with a steering wheel rim and with at least one spoke for attaching the steering wheel rim to the hub region; an airbag initiation device; wherein an electromechanical triggering device has at least one force transducer, which is disposed between a projection and the steering wheel body and via which the impact absorber cover is supported on the steering wheel body, for measuring a force value that can be associated with an actuating force acting on the actuating surface of the impact absorber cover; wherein the electromechanical triggering device has at least one electronic evaluation unit connected in an electrically conductive manner to the force transducer to determine an actuating force value by a force value measured by the at least one force transducer.Type: ApplicationFiled: February 17, 2020Publication date: May 19, 2022Applicant: Preh GmbHInventors: Oliver KATZENBERGER, Stefan WAHL, Dirk RUETZEL, Martin SCHÄFER, Sebastian SCHRENK
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Patent number: 11235702Abstract: A device including: a rotary actuator; an electronic pixel matrix display comprising a transparent outer layer; wherein the rotary actuator comprises an actuating part and a detector configured to detect rotational position, wherein the actuating part is rotationally mounted by a bearing so that it can rotate about an axis of rotation along a rotation direction, and the rotary actuator is arranged on the transparent layer; and wherein the rotary actuator also comprises a light guide designed to guide light of several pixels of the pixel matrix display from a light inlet surface of the light guide to a light outlet surface of the light guide either in the direction of or into an illumination surface of at least one of the rotary actuator and the actuating part.Type: GrantFiled: June 26, 2017Date of Patent: February 1, 2022Assignee: PREH GMBHInventors: Michael Schubert, Haiko Glienicke
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Patent number: 11150769Abstract: The embodiments disclosed herein relate to a method for the capacitive detection of at least a contact of a capacitive sensor by an operator. The method includes providing the capacitive sensor and providing an electronic evaluation system; applying a first constant electric potential to the counter electrode of the capacitive sensor; applying a second constant electric potential, which differs from the first potential, to the counter electrode of the capacitive sensor; calculating a first parameter from the first measured value and the second measured value; calculating a second parameter from the first measured value and the second measured value; and respectively comparing the first parameter and the second parameter with a predefined quantity.Type: GrantFiled: March 29, 2018Date of Patent: October 19, 2021Assignee: PREH GMBHInventor: Florian Schmitt
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Publication number: 20210316515Abstract: A method for joining a first component with a second component includes providing a first component with a thermoplastic rivet; providing a second component having a rivet hole, wherein the rivet hole forms a rivet hole inlet in a first surface of the second component and a rivet hole outlet in a second surface of the second component, and wherein the second component forms in the second surface a structured rivet head accommodating portion disposed in a region of the rivet hole outlet; inserting a free end of the rivet via the rivet hole inlet into the rivet hole until a unilaterally abutting, inserted position of the rivet reaching through the rivet hole is reached; and heat staking the free end of the rivet in the inserted position while forming a rivet head, so that the rivet head is at least partially accommodated in the rivet head accommodating portion.Type: ApplicationFiled: March 30, 2021Publication date: October 14, 2021Applicant: PREH GMBHInventor: Dirk ERDLOPFF
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Patent number: 11102917Abstract: The disclosed embodiments are directed to a casing for housing electronic components, comprising a casing wall structure surrounding a casing interior region for accommodating the electronic components, the casing wall structure defining a fluid flow passageway for thermal regulation fluid, the fluid flow passageway extending within the casing wall structure separated from said casing interior region from an inlet to and an outlet at the casing wall structure, characterized in that the casing wall structure completely encloses the casing interior region to make it a closed interior volume, and that the casing wall structure is double-walled by including an inner shell and an outer shell which form a space in between in communication with the inlet and the outlet such that between the inner and outer shells the fluid flow passageway is defined as a continuous and coherent flow space which completely encloses the interior volume of the casing wall structure.Type: GrantFiled: May 10, 2017Date of Patent: August 24, 2021Assignee: PREH GMBHInventor: Laura Kvarnstrand
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Publication number: 20210208708Abstract: The present disclosure relates to an input device and a method of producing the device. The input device includes a flat panel defining an array of control surfaces, a support disposed on a side of the panel facing away from an operator, and a flat film layer structure disposed between the flat panel and the support which defines an array of capacitive sensors; wherein each capacitive sensor forms a measuring capacitance assigned to one of the control surfaces; wherein the support forms at least one web, which protrudes towards the flat panel and connects to the flat panel to fix the film layer structure between the flat panel and the support.Type: ApplicationFiled: March 18, 2021Publication date: July 8, 2021Applicant: PREH GMBHInventors: David HEURICH, Matthias LEMBACH, Ronald SCHMIDT
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Patent number: 11040621Abstract: The present disclosure relates to an input device of a vehicle user interface with a housing, with a detection device assigned to the housing, with an evaluation unit connected to the detection device in an electrically conductive manner, and with an actuating member movably mounted on the housing, wherein the actuating member cooperates with the detection device via a magnetic measuring field, e.g. a static magnetic field or an alternating magnetic field, in order to transmit to the evaluation unit at least one position parameter related to a position and/or a change of position of the actuating member relative to the housing, wherein the evaluation unit is designed to carry out a switching or controlling function of a vehicle component depending on the position parameter.Type: GrantFiled: September 21, 2017Date of Patent: June 22, 2021Assignee: PREH GMBHInventor: Thomas Eckert
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Patent number: 11029719Abstract: The present disclosure relates to an operating assembly consisting of a carrier, an actuating element that is mounted movably relative to the carrier and so as to return into a rest position and which defines an input surface and has a detector for detecting a touch occurring on the input surface, and of at least one rotary adjuster, which is disposed on the input surface and is mounted rotatably relative to the input surface, and of a matrix of force sensors between the carrier and the actuating element, and of an evaluator, which is configured for carrying out a positional determination of a touch that has occurred on the input surface from the signal obtained by the detector, and for identifying at least one action of the actuating force on the rotary adjuster based on the signals of the matrix of force sensors by a comparison with predetermined values.Type: GrantFiled: October 27, 2016Date of Patent: June 8, 2021Assignee: PREH GMBHInventors: Markus Klein, Michael Schubert, Benedikt Schmidt
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Publication number: 20210149526Abstract: A device for spatially resolving a projected capacitive touch detection. The device includes an electrically insulating substrate with a first and a second type of electrically conductive surfaces, and a through-hole. The first type of electrically conductive surfaces are connected in rows to form transmitting electrodes. The second type of electrically conductive surfaces are connected in columns to form receiving electrodes. The first type of electrically conductive surfaces includes non-deformed first type of electrically conductive surfaces and deformed first type of electrically conductive surface(s). The second type of electrically conductive surfaces includes non-deformed second type of electrically conductive surfaces and deformed second type of electrically conductive surface(s). The first type of electrically conductive surfaces and the second type of electrically conductive surfaces are arranged in an alternating manner.Type: ApplicationFiled: January 26, 2021Publication date: May 20, 2021Applicant: PREH GMBHInventors: RAINER SCHLEGELMILCH, JOCHEN SCHLERETH
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Publication number: 20210138924Abstract: A method for charging a high-voltage battery of an electric vehicle, comprising: providing the high-voltage battery having a nominal battery voltage; providing a charging station outputting a DC charging voltage; selectively pre-charging a second charging terminal of the charging station to a predetermined pre-charge voltage using a controllably limited pre-charge current supplied by electric power from the high-voltage battery.Type: ApplicationFiled: December 18, 2020Publication date: May 13, 2021Applicants: PREH GMBH, BRUSA ELEKTRONIK AGInventors: MARC NEITZ, ALEXANDER MATTHIAS, AXEL KRAUSE, ANDREAS KRUSPAN, MARC HANSELMANN, HANNES HOBI, RUDOLF MEUSBURGER