Patents Assigned to Preh GmbH
  • Patent number: 10727011
    Abstract: 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: Grant
    Filed: April 3, 2019
    Date of Patent: July 28, 2020
    Assignee: PREH GMBH
    Inventors: Dirk Erdloff, Sebastian Schäfer, Henry Hinterholzinger
  • Patent number: 10719128
    Abstract: 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: Grant
    Filed: March 8, 2016
    Date of Patent: July 21, 2020
    Assignee: PREH GMBH
    Inventors: Martin Jeitner, Markus Klein, Andreas Kramlich, Matthias Lust, Benedikt Schmidt
  • Publication number: 20200229326
    Abstract: 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: Application
    Filed: May 10, 2017
    Publication date: July 16, 2020
    Applicant: PREH GMBH
    Inventor: Laura KVARNSTRAND
  • Patent number: 10712825
    Abstract: 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: Grant
    Filed: February 15, 2019
    Date of Patent: July 14, 2020
    Assignee: PREH GMBH
    Inventors: Tobias Bodenstein, Florian Wilm
  • Patent number: 10664055
    Abstract: 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: Grant
    Filed: October 11, 2017
    Date of Patent: May 26, 2020
    Assignee: PREH GMBH
    Inventor: Ottmar Gleissner
  • Patent number: 10624244
    Abstract: 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: Grant
    Filed: November 4, 2015
    Date of Patent: April 14, 2020
    Assignee: PREH GMBH
    Inventor: Adam Theander
  • Publication number: 20200110487
    Abstract: 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: Application
    Filed: March 29, 2018
    Publication date: April 9, 2020
    Applicant: PREH GMBH
    Inventor: Florian SCHMITT
  • Publication number: 20200064951
    Abstract: 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: Application
    Filed: August 7, 2019
    Publication date: February 27, 2020
    Applicant: PREH GMBH
    Inventors: Norbert BAUER, Thomas KLEFFEL
  • Publication number: 20200067506
    Abstract: 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: Application
    Filed: October 26, 2017
    Publication date: February 27, 2020
    Applicant: PREH GMBH
    Inventors: Ottmar GLEISSNER, Jochen SCHLERETH
  • Patent number: 10572034
    Abstract: An input device includes a fingerprint sensor, an operating layer having a first operating surface, at least one force sensor, and an evaluation unit. The first operating surface has an acquisition surface which acquires a fingerprint of a finger of an operator via the fingerprint sensor. The at least one force sensor measures an operating force of the finger of the operator acting on the first operating surface. The evaluation unit is electrically conductively connected with the fingerprint sensor and with the at least one force sensor. The evaluation unit assigns at least one first switching function to the operating force applied on first operating surface of the operating layer if the operating force measured on the first operating surface exceeds a first threshold value.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: February 25, 2020
    Assignee: PREH GMBH
    Inventors: Manuel Stotzem, Andreas Kail, Markus Klein
  • Publication number: 20200052695
    Abstract: An input device is disclosed, including a capacitive force sensor, a capacitive touch sensor, and an evaluation unit, where the capacitive force sensor includes an operating surface and a first conductive electrode, and a second conductive electrode; wherein the evaluation unit is configured to detect an associated characteristic value of a touch on the operating surface during the operation, such as a location surface of action of the touch, by means of the capacitive touch sensor, and wherein the evaluation unit is further configured to detect a measured quantity changing with the operating force by generating a first measuring capacitance between the first and second electrodes and to assign a switching or controlling function to the operation in accordance with the characteristic value detected by the capacitive touch sensor and with the measured quantity detected in the operation-detection step.
    Type: Application
    Filed: April 3, 2017
    Publication date: February 13, 2020
    Applicant: PREH GMBH
    Inventors: Norbert BAUER, Thomas KLEFFEL, Jochen SCHLERETH, Florian SCHMITT
  • Patent number: 10556414
    Abstract: The present disclosure relates to a method for the full-surface connection of contact surfaces, which form a cavity between them and extend in an antiparallel manner, of a first, transparent joining partner and a second joining partner, comprising the steps of: providing and arranging the first joining partner, the second joining partner and a blank made of an elastic material, such that the blank is disposed in the cavity formed between the contact surfaces extending in an antiparallel manner, and wherein the blank has an outer adhesive layer; heating the blank by irradiation with microwave radiation and/or infrared radiation (IR); curing or cross-linking the adhesive layer of the blank in order to form a layer structure of the first joining partner, the blank and the second joining partner.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: February 11, 2020
    Assignee: PREH GMBH
    Inventor: Michael Martin
  • Patent number: 10540012
    Abstract: An input device for generating improved haptic feedback. The input device includes a housing and an input component that defines a control surface and is movably supported on the housing with at least two degrees of freedom and associated mechanical natural frequencies. The input device is designed to assign a switching or controlling function to an operator touching or pressing the control surface, where the input device further has mechanical restoring means for restoring the input component into a rest position and an electromechanical actuator, where the actuator is designed to drive the input component along the at least two degrees of freedom and optionally decelerate the input component, counteracting the restoring force caused by the mechanical restoring means, in order to generate haptic feedback characterized in that the mechanical natural frequencies of the at least two degrees of freedom have a maximum deviation of less than 100 Hz.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: January 21, 2020
    Assignee: PREH GMBH
    Inventors: Tobias Bodenstein, Frederik Püschel, Karl Göb
  • Patent number: 10508955
    Abstract: A sensor device for measuring an interior temperature of a motor vehicle. The motor vehicle includes an inner trim which includes an aperture and latching springs. The sensor device includes a housing which is inserted in an insertion direction into the aperture of the inner trim of the motor vehicle, a circuit board arranged in the housing, at least one electrical temperature sensor element arranged on the circuit board, and latching lugs arranged on the housing which form an engagement with the latching springs formed on the inner trim. The engagement of the latching lugs with the latching springs forms a latching arrangement which fixes the housing when inserted into the aperture.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: December 17, 2019
    Assignee: PREH GMBH
    Inventors: Stefan Weigand, Melitta Bott
  • Patent number: 10481694
    Abstract: A touch-sensitive input device includes a support, an input part with a touch-sensitive input surface, an elastic device which bears the input part at the support, an electromagnetic actuator which acts between the input part and the support to produce a deflection of the input part out of a resting position, and control electronics. The electromagnetic actuator comprises a coil with a cavity, a core arranged at least in part in the cavity, and an armature arranged outside the cavity. The core generates a magnetic field defining a pole direction. The armature interacts with the magnetic field. The control electronics generate an electrical control signal for the coil to produce the deflection of the input part out of the resting position and to provide a maximum deflection of the input part. A duration of the electrical control signal is limited so as to provide, after the deflection, a haptic feedback.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: November 19, 2019
    Assignee: PREH GMBH
    Inventor: Tobias Bodenstein
  • Publication number: 20190332203
    Abstract: 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: Application
    Filed: April 4, 2019
    Publication date: October 31, 2019
    Applicant: PREH GMBH
    Inventors: David HEURICH, Matthias LEMBACH, Ronald SCHMIDT
  • Publication number: 20190318889
    Abstract: 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: Application
    Filed: April 3, 2019
    Publication date: October 17, 2019
    Applicant: PREH GMBH
    Inventors: Dirk ERDLOFF, Sebastian SCHÄFER, Henry HINTERHOLZINGER
  • Patent number: 10444087
    Abstract: The present disclosure relates to a capacitive force sensor. The capacitive force sensor includes a planar base body, a supported membrane body, two spacers disposed spaced apart to each other, where the membrane body abuts the planar base body via the spacers, and wherein a cavity is formed between the membrane body and the planar base body to allow displacement or deflection of the membrane body under a force onto the membrane body in the area between the spacers. The membrane body forms a first electrode and, a second electrode is provided on the planar base body, wherein the first and second electrode define a first precision capacitor with changing measuring capacity depending on the force. An electrical bracket extends from each of the spacers for electrically contacting the first electrode and forms a bend between each of the associated spacer and a bottom of the base body.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 15, 2019
    Assignee: PREH GMBH
    Inventors: Benedikt Schmidt, Thomas Zirkelbach, Harald Ment, Jürgen Nauth, Thilo Schultheis, Sara Hofmann, Matthias Müller
  • Publication number: 20190310708
    Abstract: A touch-sensitive input device includes a support, an input part with a touch-sensitive input surface, an elastic device which bears the input part at the support, an electromagnetic actuator which acts between the input part and the support to produce a deflection of the input part out of a resting position, and control electronics. The electromagnetic actuator comprises a coil with a cavity, a core arranged at least in part in the cavity, and an armature arranged outside the cavity. The core generates a magnetic field defining a pole direction. The armature interacts with the magnetic field. The control electronics generate an electrical control signal for the coil to produce the deflection of the input part out of the resting position and to provide a maximum deflection of the input part. A duration of the electrical control signal is limited so as to provide, after the deflection, a haptic feedback.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 10, 2019
    Applicant: PREH GMBH
    Inventor: TOBIAS BODENSTEIN
  • Publication number: 20190302888
    Abstract: 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: Application
    Filed: February 15, 2019
    Publication date: October 3, 2019
    Applicant: PREH GMBH
    Inventors: Tobias BODENSTEIN, Florian WILM