Patents Assigned to Preh GmbH
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Patent number: 10161860Abstract: The present disclosure relates to a fog detection method in a vehicle comprising the steps of: providing a first fog sensor with a first transmitter emitting a first encoded optical signal into a vehicle's surroundings, and an associated first receiver for receiving an optical signal reflected from the vehicle's surroundings, and a first analyzing unit for decoding, analyzing and providing a first detection result related to the reception, wherein, for encoding, a code is selected among a plurality of possible codes (A,B,C) by the first transmitter in a code selection, and the code selection is communicated from the first transmitter to the first receiver and/or the analyzing unit, wherein, upon analyzing the signal received from the first receiver by the first analyzing unit, the code selection is used for identifying the first encoded optical signal in the received signal.Type: GrantFiled: February 6, 2018Date of Patent: December 25, 2018Assignee: PREH GMBHInventors: Thomas Kleffel, Norbert Bauer
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Publication number: 20180368291Abstract: 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: ApplicationFiled: November 4, 2015Publication date: December 20, 2018Applicant: PREH GMBHInventor: Adam THEANDER
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Publication number: 20180314357Abstract: 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: ApplicationFiled: October 27, 2016Publication date: November 1, 2018Applicant: PREH GMBHInventors: Markus KLEIN, Michael SCHUBERT, Benedikt SCHMIDT
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Publication number: 20180264794Abstract: 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: ApplicationFiled: March 19, 2018Publication date: September 20, 2018Applicant: PREH GMBHInventor: Michael MARTIN
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Publication number: 20180260027Abstract: 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: ApplicationFiled: March 6, 2018Publication date: September 13, 2018Applicant: PREH GMBHInventors: Benedikt SCHMIDT, Kai LANG, Mario SCHMITT
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Publication number: 20180261386Abstract: The present disclosure relates to a forming method for producing a composite part for an operating member, the method comprising the steps: disposing at least one permanent magnet in an injection-molding tool, which defines a mold cavity, and a heat-conducting reinforcement, which extends along the permanent magnet and is in touching contact with the injection-molding tool, in each case at a predefined position of the mold cavity; overmolding the permanent magnet with molding material by introducing molding material into the mold cavity; forming the composite part having the at least one permanent magnet, the heat-conducting reinforcement and the molding material.Type: ApplicationFiled: February 26, 2018Publication date: September 13, 2018Applicant: PREH GMBHInventors: René KIRSCH, Kai LANG
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Publication number: 20180253119Abstract: 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: ApplicationFiled: May 19, 2016Publication date: September 6, 2018Applicant: PREH GMBHInventors: Benedikt SCHMIDT, Michael SCHUBERT, Markus KLEIN, Heiko GLIENICKE
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Publication number: 20180246571Abstract: 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: ApplicationFiled: March 8, 2016Publication date: August 30, 2018Applicant: PREH GMBHInventors: Martin JEITNER, Markus KLEIN, Andreas KRAMLICH, Matthias LUST, Benedikt SCHMIDT
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Publication number: 20180240613Abstract: 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: ApplicationFiled: February 12, 2018Publication date: August 23, 2018Applicant: PREH GMBHInventors: Tobias BODENSTEIN, Frederik PÜSCHEL, Karl GÖB
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Publication number: 20180224372Abstract: The present disclosure relates to a fog detection method in a vehicle comprising the steps of: providing a first fog sensor with a first transmitter emitting a first encoded optical signal into a vehicle's surroundings, and an associated first receiver for receiving an optical signal reflected from the vehicle's surroundings, and a first analyzing unit for decoding, analyzing and providing a first detection result related to the reception, wherein, for encoding, a code is selected among a plurality of possible codes (A,B,C) by the first transmitter in a code selection, and the code selection is communicated from the first transmitter to the first receiver and/or the analyzing unit, wherein, upon analyzing the signal received from the first receiver by the first analyzing unit, the code selection is used for identifying the first encoded optical signal in the received signal.Type: ApplicationFiled: February 6, 2018Publication date: August 9, 2018Applicant: PREH GMBHInventors: Thomas KLEFFEL, Norbert BAUER
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Publication number: 20180195912Abstract: 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: ApplicationFiled: January 8, 2018Publication date: July 12, 2018Applicant: PREH GMBHInventors: Benedikt SCHMIDT, Thomas ZIRKELBACH, Harald MENT, Jürgen NAUTH, Thilo SCHULTHEIS, Sara HOFMANN, Matthias MÜLLER
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Publication number: 20180173310Abstract: The present disclosure relates to an input device, including: a base part, a support, a handle mounted to the support in a pivotably movable manner, a detector for detecting the position of the handle and at least one magnet pair of one first magnet associated with the handle means and a second magnet associated with the base part, wherein the first magnet and the second magnet, at least in one position of the handle, are disposed spaced apart over an air gap (d) and opposite to each other, in order to cause a haptic feedback and/or a returning action during the operation of the handle, wherein adapting means are provided for adapting the clear distance between the first magnet and the second magnet of the magnet pair by adapting the adapting means.Type: ApplicationFiled: December 13, 2017Publication date: June 21, 2018Applicant: PREH GMBHInventor: Martin GEIS
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Publication number: 20180150139Abstract: 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.Type: ApplicationFiled: November 28, 2017Publication date: May 31, 2018Applicant: PREH GMBHInventors: OTTMAR GLEISSNER, Frank Then
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Publication number: 20180150137Abstract: 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: ApplicationFiled: October 11, 2017Publication date: May 31, 2018Applicant: PREH GMBHInventor: Ottmar GLEISSNER
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Patent number: 9983077Abstract: A capacitive force sensor includes a base body, a diaphragm body, two spacers arranged between the base body and the diaphragm body, the two spacers supporting the diaphragm body on the base body, a free end formed by the diaphragm body projecting beyond one of the two spacers, a cavity formed between the diaphragm body and the base body in a region between the two spacers so that the diaphragm body bends when a force acts on the diaphragm body in the region between the two spacers, a first electrode arranged at the free end, a second electrode arranged on the base body, and an electrical contact device which makes an electrical contact with the first and second electrode. The first and second electrode define a precision capacitance meter with a measuring capacitance which changes with an action of the force.Type: GrantFiled: November 9, 2015Date of Patent: May 29, 2018Assignee: PREH GMBHInventors: Thilo Schultheis, Johannes Duenninger
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Publication number: 20180143709Abstract: The present disclosure relates to a sensor device for arrangement in a motor vehicle, including: a transmitting unit for emitting an optical signal into a space region of a passenger compartment of the motor vehicle; a receiving unit for sensing the optical signal; an evaluation unit for assigning a switching function and/or controlling function to the reflected optical signal; a cover which is transmissive with respect to the optical signal and disposed between the passenger compartment and the transmitting unit; and further, a capacitive sensor with at least one electrode for generating a measuring capacitance sensing the passenger compartment at least in some portions, and means for detecting a capacitance change of the measuring capacitance; and wherein the evaluation unit is further designed to vary the switching function and/or controlling function and/or to vary the transmitting power of the transmitting unit in accordance with the capacitance change.Type: ApplicationFiled: May 19, 2016Publication date: May 24, 2018Applicant: PREH GMBHInventors: Manuel STOTZEM, Andreas KAIL
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Publication number: 20180142779Abstract: The present disclosure relates to an actuating device for an electro-mechanical motor vehicle transmission system, comprising a housing, a shift lever, a flat mechanical linkage, wherein the shift lever is movably supported at housing for shifting between gear ratios, wherein the shift lever is movably supported in each one of the shift gate in a shifting direction by means of the flat mechanical linkage and is pivotably supported in at least one selection gate about a selection axis for selecting among different shift gates, as well as a detection device, which is designed to detect a displacement of the shift lever in the shifting direction and pivoting of the shift lever about the selection axis.Type: ApplicationFiled: November 21, 2017Publication date: May 24, 2018Applicant: PREH GMBHInventors: Maximilian TÜRPITZ, Andreas KAIL
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Publication number: 20180143521Abstract: The present disclosure relates to a rotary adjuster, including: a housing, a rotary knob mounted in a rotatable manner about a rotation axis (A) on the housing; an optical detection device for detecting a rotary position of the rotary knob and a coding shutter moving synchronously with the rotary knob, wherein the detection device has an optical transmitter and an array of optical receivers, and wherein the coding shutter and the detection device are designed to detect the rotary position of the rotary knob by means of the number of the receivers of the array illuminated by the transmitter and/or by means of an illumination intensity of one or more receivers of the array.Type: ApplicationFiled: November 2, 2017Publication date: May 24, 2018Applicant: PREH GMBHInventors: Matthias BLUM, Andreas KAIL
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Publication number: 20180129342Abstract: The present disclosure relates to a control element, comprising a carrier, an actuating member defining a touch-sensitive input surface, whereby the actuating member is movably installed on the carrier substantially parallel to the plane formed by the touch-sensitive input surface in a movement direction; an actuator to provide a movement from a resting position in movement direction of the actuating member relative to the carrier for providing a haptic feedback, whereby furthermore at least one permanent-magnet pair is arranged between the carrier and the actuating member to guide, in particular to stabilize the movement of the actuating member and/or the return of the actuating member into the resting position.Type: ApplicationFiled: November 2, 2017Publication date: May 10, 2018Applicant: PREH GMBHInventor: Steffen NEUBAUER
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Publication number: 20180107294Abstract: The present disclosure relates to a man-machine interface, including a steering wheel rotatably supported about a steering wheel axis and an input device attached to the steering wheel, wherein the input device includes a fingerprint sensor with an acquisition surface for acquiring a fingerprint of a finger of an operator and additionally at least one touch-sensitive and/or operation-sensitive input surface, which is disposed outside the acquisition surface and preferably spaced from the acquisition surface, with an associated detection device, and an evaluation unit connected in an electrically conductive manner with the detection device and the fingerprint sensor, wherein the evaluation unit is configured to verify the data acquired by the fingerprint sensor with a signal of the detection device and, if necessary, to discard them.Type: ApplicationFiled: October 11, 2017Publication date: April 19, 2018Applicant: PREH GMBHInventors: Manuel STOTZEM, Andreas KAIL, Markus KLEIN