Patents Assigned to Preh GmbH
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Patent number: 10990228Abstract: The present disclosure relates to an input device comprising a flat panel defining an array of control surfaces, a support disposed on a side of the panel, and a substantially flat film layer placed between the panel and the support defining an array of capacitive sensors, wherein each control surfaces comprises backlightable luminous surfaces and are disposed on a surface of the panel facing towards an operator, wherein each capacitive sensor forms a measuring capacitance assigned to one control surface, wherein the panel has a light-conducting layer covering the luminous surfaces, wherein a lighting means is provided for each control surface for backlighting the associated luminous surface of the control surface while transmitting light through the light-conducting layer, wherein the support forms a web which protrudes towards the panel and is connected to the panel in order to fix the film layer structure between the panel and the support.Type: GrantFiled: April 4, 2019Date of Patent: April 27, 2021Assignee: PREH GMBHInventors: David Heurich, Matthias Lembach, Ronald Schmidt
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Publication number: 20210101501Abstract: 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 less than the nominal battery voltage; draining current between a first battery terminal and a protective earth terminal such that the voltage between the first battery terminal and the protective earth terminal essentially matches with the voltage between a first charging terminal and the protective earth terminal, and boosting the voltage at a second charging terminal of the charging station to match the charging voltage with the nominal battery voltage.Type: ApplicationFiled: December 18, 2020Publication date: April 8, 2021Applicants: PREH GMBH, BRUSA ELEKTRONIK AGInventors: MARC NEITZ, ALEXANDER MATTHIAS, AXEL KRAUSE, ANDREAS KRUSPAN, MARC HANSELMANN, HANNES HOBI, RUDOLF MEUSBURGER
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Patent number: 10908630Abstract: The present disclosure relates to a display adjuster including a rotary adjuster; and an electronic display including a transparent outer layer, wherein the rotary adjuster includes an actuation member and a rotational detection means, wherein the actuation member is rotatably mounted about a rotational axis mounted with bearing means, and the rotary adjuster is arranged on the transparent layer; and the display adjuster also includes a surrounding wall on the transparent layer that surrounds at least the bearing means.Type: GrantFiled: May 19, 2016Date of Patent: February 2, 2021Assignee: PREH GMBHInventors: Benedikt Schmidt, Michael Schubert, Markus Klein, Heiko Glienicke
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Patent number: 10892753Abstract: An input device, including a flat panel defining an array of control surfaces, and an array of capacitive sensors and a support. The control surfaces are on a surface of the panel facing towards the operator and the support is on a side of the panel facing away from an operator. Also, each capacitive sensor forms a measuring capacitance assigned to a control surface. Further, each capacitive sensor is formed by a common substantially flat film layer structure. The film layer structure includes a first electrode for forming the measuring capacitance. On the side of the support, a lighting device is provided for each control surface for backlighting the associated control surface and transmitting light through the film layer structure. Also, the input device reduces the passage of light from one capacitive sensor to an adjacent capacitive sensor.Type: GrantFiled: October 26, 2017Date of Patent: January 12, 2021Assignee: PREH GMBHInventors: Ottmar Gleissner, Jochen Schlereth
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Publication number: 20210001725Abstract: 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: ApplicationFiled: September 21, 2017Publication date: January 7, 2021Applicant: PREH GMBHInventor: Thomas ECKERT
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Patent number: 10817060Abstract: A method of manufacturing a control device comprising an actuator for generating a haptic feedback. The method includes providing at least two flat anchors each of which comprises a connecting element for connection to a support component. The connecting element is arranged differently on each of the flat anchors. An actuator solenoid and the support component are mounted within the control device. A distance between the actuator solenoid and a predetermined point on the support component is determined to obtain a determined distance. One flat anchor is selected from the flat anchors based on an actual distance to the actuator solenoid when the one flat anchor is connected to the support component corresponding to a specific requirement, the actual distance being determined based on the determined distance. The one flat anchor selected is mounted within the control device.Type: GrantFiled: November 28, 2017Date of Patent: October 27, 2020Assignee: PREH GMBHInventors: Ottmar Gleissner, Frank Then
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Publication number: 20200319722Abstract: A rotary knob having (inter alia, adjustable) a coupling electrode and capacitive coupling devices for placing on a touch screen is provided. Depending on the position of the rotary knob or of the coupling electrode, contact of a corresponding partial region of the touchscreen is detected. The rotary knob is designed detect and ignore disturbing influences such as drops of water.Type: ApplicationFiled: May 6, 2019Publication date: October 8, 2020Applicant: PREH GMBHInventors: Michael MARTIN, Benedikt SCHMIDT, Markus KLEIN
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Patent number: 10795485Abstract: The present disclosure relates to a touch-sensitive input device, including: a support; a touch-sensitive input part; and a supplementary body that is rigidly connected to the input part that is jointly mounted by means of first bearing means on the support so as to be movable in at least one deflection direction; a damper body that is mounted on the support by means of second bearing means so as to be movable at least in the deflection direction; an actuator acting between the damper body and the combination of input part and supplementary body, having an effective axis in order to cause a movement of the input part substantially counter to the damper body to generate haptic feedback; wherein the input part and the supplementary body define a hollow volume in which at least the actuator is arranged.Type: GrantFiled: June 27, 2017Date of Patent: October 6, 2020Assignee: PREH GMBHInventor: Jochen Ehrenberg
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Patent number: 10787121Abstract: A multifunction operating device includes a carrier; an input part which has an input surface comprising an array of operating surfaces and which is to be mounted so as to be able to move relatively to the carrier; a touch sensor system which is designed to detect a touching of the input surface by an operating member of an operator, which touching is spatially resolved on the different operating surfaces, and to provide it as a touch detection result; a control unit electrically connected to the touch sensor system; an actuator electrically connected to the control unit and having an effective direction (W) for driving the input part so as to move it relatively to the carrier in order to generate an active haptic; the control unit is designed to trigger the active haptic depending on the touch detection result; an electromechanical switching element electrically connected to the control unit and arranged between the input part and the carrier in order to detect an actuation exerting a minimum actuating forceType: GrantFiled: November 2, 2018Date of Patent: September 29, 2020Assignee: PREH GMBHInventors: Markus Frey, Martin Schäfer
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Patent number: 10775950Abstract: The invention relates to an input device including: a capacitive detector with a detection surface forming an array of electrodes; an electronic evaluation unit electrically connected to the electrodes and forming an associated array of electrical measuring fields for the spatially resolving detection of a capacitive influence on the detection surface; a handling means disposed on the detection surface in a manner movable along an adjustment path to perform an operating input by means of a movement by an operator; a coupling electrode assembly which is partially moved along with the handling means and disposed in an electrically insulated manner with respect to the operator while they touch the handling means, and where at least one position of the handling means is provided where two measuring fields are capacitively influenced by a means of the coupling electrode assembly, where these influences are detected to obtain position information.Type: GrantFiled: August 7, 2019Date of Patent: September 15, 2020Assignee: PREH GMBHInventors: Norbert Bauer, Thomas Kleffel
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Patent number: 10768703Abstract: The present disclosure is a touch-sensitive input detector having an operating unit with an input surface; a support; a fastener for mounting the operating unit to the support in a vibration direction so as to be displaceable from a resting position and elastically restorable; and an actuator for stimulating the operating unit to vibrate in the direction of vibration for a haptic feedback; wherein the fastener for attaching the operating unit includes leaf spring elements, which each form a first section for attaching to the support and a second section for attaching to the operating unit, and an intermediate middle section, so that the operating unit is mounted on the support in an elastically vibratable manner, and which are arranged at a distance from each other by the middle section, wherein at least one section from first section and second section is attached by a form-fit seat, such as overmolding.Type: GrantFiled: March 6, 2018Date of Patent: September 8, 2020Assignee: PREH GMBHInventors: Benedikt Schmidt, Kai Lang, Mario Schmitt
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Patent number: 10727011Abstract: The present disclosure relates to a switch assembly for a motor vehicle component, including: an electronic basic body for arranging a contact member; an actuating member for actuating the contact member; a web associated with the actuating member, including a web portion with a web stop; a flexible switching mat having a basic portion for arranging the actuating member and the web; an operating member having an operating portion with an operating stop and an operating counter-stop disposed opposite to the web stop; a support member connected to the basic body or the switching mat having a support portion with a support counter-stop that contacts the operating stop in a non-actuated state of the switch assembly; wherein the web provided on the basic portion is arranged to be spaced apart from the actuating member provided on the basic portion, wherein the web encloses the actuating member at least partially.Type: GrantFiled: April 3, 2019Date of Patent: July 28, 2020Assignee: PREH GMBHInventors: Dirk Erdloff, Sebastian Schäfer, Henry Hinterholzinger
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Patent number: 10719128Abstract: A device and method for an operator controlled element with haptic feedback dependent on the detection direction are provided. The device includes a base; an actuating part movably supported on the base; an electrical actuator which is attached to the base and acts on the actuating part in order to drive in a moving manner the actuating part in an excitation direction by means of an electrical excitation signal for generating a haptic feedback; a means for detecting an actuation of the actuating part in two detection directions which in each case include a different angular amount with the excitation direction; an evaluation unit, which is configured, if an actuation in one of the two detection directions is detected, to drive the actuator with a specific electrical excitation signal, depending on the result relating to in which of the two detection directions the actuation was carried out.Type: GrantFiled: March 8, 2016Date of Patent: July 21, 2020Assignee: PREH GMBHInventors: Martin Jeitner, Markus Klein, Andreas Kramlich, Matthias Lust, Benedikt Schmidt
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Publication number: 20200229326Abstract: 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: ApplicationFiled: May 10, 2017Publication date: July 16, 2020Applicant: PREH GMBHInventor: Laura KVARNSTRAND
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Patent number: 10712825Abstract: The present disclosure relates to a touch-sensitive input device, including: a support; a touch-sensitive input component mounted on the support by a first spring means to elastically return along a deflection direction and is oscillation-capable; an absorber body mounted on the support by a second spring means to be movable along the deflection direction in an elastically returning and oscillation-capable manner; an actuating mechanism acting on the absorber body and the input component, with at least one direction of action having a component of the direction of action parallel to the deflection direction to cause a movement of the input component for generating haptic feedback along the deflection direction and cause movement of the absorber body in the direction opposite the movement of the input component; a mechanical trimming device for changing an effective spring length of a spring of the first spring means or the second spring means.Type: GrantFiled: February 15, 2019Date of Patent: July 14, 2020Assignee: PREH GMBHInventors: Tobias Bodenstein, Florian Wilm
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Patent number: 10664055Abstract: The present disclosure relates to a control device with at least one touch-sensitive input surface that can be activated for haptic feedback with an electromagnetic actuator, where the actuator comprises an actuator coil and an armature that is activated by energizing the actuator coil. The control device is divided into at least two control assemblies at least one of which has a touch-sensitive input surface and an armature connected therewith. These at least two control assemblies are installed at a minimum spacing from each other on a common circuit board, which in turn is connected with a common carrier element, whereby the armatures protrude through the circuit board with play. On each carrier element, an actuator coil at a spacing x from the armature of the respective control assembly is installed. The present disclosure also refers to a process for manufacturing the control device.Type: GrantFiled: October 11, 2017Date of Patent: May 26, 2020Assignee: PREH GMBHInventor: Ottmar Gleissner
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Patent number: 10624244Abstract: An automotive power electronics assembly, including: a cover plate, a cooling pipe received in a groove extending along a first surface of the cover plate, a plurality of metallic heat sink bodies provided on a second, opposite surface of the cover plate wherein first end faces of the hear sink bodies are in heat conducting contact with the cover plate, each heat sink body carrying on a side surface at least one semiconductor component to be cooled, and a printed circuit board providing electronic contacts to the semiconductor components, where the printed circuit board is in contact with second end faces of the heat sink bodies. Each heat sink body tapers from the first end face to the second end face such that the contact area with the cover plate is larger than the contact area with the printed circuit board.Type: GrantFiled: November 4, 2015Date of Patent: April 14, 2020Assignee: PREH GMBHInventor: Adam Theander
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Publication number: 20200110487Abstract: 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: ApplicationFiled: March 29, 2018Publication date: April 9, 2020Applicant: PREH GMBHInventor: Florian SCHMITT
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Publication number: 20200064951Abstract: The invention relates to an input device including: a capacitive detector with a detection surface forming an array of electrodes; an electronic evaluation unit electrically connected to the electrodes and forming an associated array of electrical measuring fields for the spatially resolving detection of a capacitive influence on the detection surface; a handling means disposed on the detection surface in a manner movable along an adjustment path to perform an operating input by means of a movement by an operator; a coupling electrode assembly which is partially moved along with the handling means and disposed in an electrically insulated manner with respect to the operator while they touch the handling means, and where at least one position of the handling means is provided where two measuring fields are capacitively influenced by a means of the coupling electrode assembly, where these influences are detected to obtain position information.Type: ApplicationFiled: August 7, 2019Publication date: February 27, 2020Applicant: PREH GMBHInventors: Norbert BAUER, Thomas KLEFFEL
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Publication number: 20200067506Abstract: The present disclosure relates to an input device including a flat panel defining an array of control surfaces, and an array of capacitive sensors and a support, where the control surfaces are on a surface of the panel facing towards the operator and the support is on a side of the panel facing away from an operator, and where a capacitive sensor forms a measuring capacitance assigned to a control surface, where the capacitive sensor is formed by a common substantially flat film layer structure. The film layer structure includes a first electrode for forming the measuring capacitance, wherein, on the side of the support, a lighting means is provided for each control surface for backlighting the associated control surface and transmitting light through the film layer structure, where the input device is configured to reduce the passage of light from one capacitive sensor to an adjacent capacitive sensor.Type: ApplicationFiled: October 26, 2017Publication date: February 27, 2020Applicant: PREH GMBHInventors: Ottmar GLEISSNER, Jochen SCHLERETH