Patents Assigned to Harman Becker Automotive Systems GmbH
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Publication number: 20200319705Abstract: A first user action (201) comprising an eye gaze (211) is detected. At least one menu item from a plurality of menu items is selected based on the orientation (212) of the eye gaze (211) of the first user action (201). A second user action (202) is detected. Based on the second user action (202), a function (209) associated with a given one of the at least one first menu item is activated.Type: ApplicationFiled: May 16, 2017Publication date: October 8, 2020Applicant: Harman Becker Automotive Systems, GmbHInventor: Adam Rohrbacher
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Patent number: 10796681Abstract: An automatic noise control system and method for a helmet with a rigid shell that is configured to spatially divide a shell interior from a shell ambiance include generating in connection with at least one loudspeaker disposed in the shell interior anti-sound in the shell interior based on at least one input signal. The anti-sound is configured to attenuate sound occurring in the shell interior through destructive superposition. The system and method further include providing the at least one input signal by at least one of picking up sound in the vicinity of the loudspeaker in the shell interior, picking up vibrations of the shell, and picking up sound in the vicinity of the shell exterior.Type: GrantFiled: February 10, 2016Date of Patent: October 6, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Paul Zukowski, Gerhard Pfaffinger
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Publication number: 20200314555Abstract: An electroactive loudspeaker includes a conductive carrier plate comprising a first main surface and a second main surface, the first main surface and the second main surface being disposed on opposite sides of the carrier plate. The electroactive loudspeaker further includes an electroactive polymer layer comprising a first main surface and a second main surface. An electrically conductive electrode layer is attached to the second main surface of the electroactive polymer layer. The first surface of the carrier plate has an area and the first surface of the electroactive polymer layer has an area, the area of the first surface of the carrier plate being larger than the area of the first surface of the electroactive polymer layer. The first main surface of the electroactive polymer layer overlaps in its entire area with the first main surface of the carrier plate.Type: ApplicationFiled: December 4, 2015Publication date: October 1, 2020Applicant: Harman Becker Automotive Systems GmbHInventor: Gerhard PFAFFINGER
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Patent number: 10789932Abstract: An example active noise control filtering with an adaptive filter structure includes a controllable filter matrix with reference and error input signals, and updating the filter coefficients dependent on an optional filtered reference signal and an error signal, the error signal being representative of a performance criterion of the filter module. Further, a leakage functionality and a convergence functionality is applied to the updated filter coefficients. The leakage functionality is controlled by at least one of a flush functionality, freeze functionality, spatial freeze functionality and leakage threshold, and the convergence functionality is controlled by the freeze functionality and spatial freeze functionality.Type: GrantFiled: October 20, 2016Date of Patent: September 29, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Juergen Zollner, Markus Christoph
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Patent number: 10790874Abstract: Acoustic echo cancelling includes receiving a source signal and a sink signal; providing a first error signal representative of an echo-free residual signal based on a first set of coefficients based on the source signal and the sink signal, the first error signal forming an output signal of the controller; providing a second error signal based on a second set of coefficients based on the source signal and the sink signal; detecting a room change if the evaluated first second error signal is greater than a sum or product of the evaluated second first error signal and a first threshold; copying one of sets of reference coefficients stored in a memory to the second acoustic echo canceller; and copying the first set of coefficients from the first acoustic echo canceller as a set of reference coefficients into at least one of the second acoustic echo canceller and the memory.Type: GrantFiled: September 5, 2019Date of Patent: September 29, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Markus Christoph, Vasudev Kandade Rajan
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Patent number: 10770056Abstract: In at least one embodiment, a computer-program product embodied in a non-transitory computer readable medium that is programmed to perform selective active noise cancellation (ANC) for a vehicle is provided. The computer-program product comprising instructions to determine an amount of noise present in a first zone and a second zone and to selectively drive only at least one first loudspeaker in the first zone to generate a first cancellation field to cancel road noise and/or engine noise if the amount of noise in the first zone is greater than the amount of noise in the second zone. The computer-program product comprising instructions to selectively drive only at least one second loudspeaker in the second zone to generate the second cancellation field to cancel road noise and/or engine noise if the amount of noise in the second zone is greater than the amount of noise in the first zone.Type: GrantFiled: July 11, 2019Date of Patent: September 8, 2020Assignee: Harman Becker Automotive Systems GmbHInventor: Nikos Zafeiropoulos
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Publication number: 20200280813Abstract: A loudspeaker assembly includes L loudspeakers, each being substantially the same size and having a peripheral front surface, and an enclosure having a hollow cylindrical body and end closures, the cylindrical body and end closures being made of material that is impervious to air. The cylindrical body comprises L openings therein. The L openings are sized and shaped to correspond with the peripheral front surfaces of the L loudspeakers, and have central axes. The central axes of the L openings are contained in a radial plane, and the angles between adjacent axes are identical. The L loudspeakers are disposed in the L openings and hermetically secured to the cylindrical body. L is equal to or greater than 2. A higher-order loudspeaker system comprising such a loudspeaker assembly and a beamforming module.Type: ApplicationFiled: December 14, 2016Publication date: September 3, 2020Applicant: Harman Becker Automotive Systems GmbHInventor: Markus CHRISTOPH
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Publication number: 20200279547Abstract: A loudspeaker arrangement includes an air-tight, rigid, thermo-conductive enclosure (103) with an aperture (115) and an outer surface, and a loudspeaker (101) air-tightly mounted in the aperture (115) to form a locked acoustic volume within the enclosure (103). The arrangement further includes a multiplicity of thermo-conductive fins (112) attached to or integrated in the enclosure (103) at the outer surface thereof. The multiplicity of fins (112) is distributed over the outer surface of the enclosure (103).Type: ApplicationFiled: September 27, 2017Publication date: September 3, 2020Applicant: Harman Becker Automotive Systems GmbHInventor: Markus Christoph
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Publication number: 20200275231Abstract: At least two closely spaced identical or similar loudspeaker assemblies in a horizontal linear array, each loudspeaker assembly comprising at least two identical or similar loudspeakers pointing in different directions so that the loudspeaker assemblies have adjustable, controllable or steerable directivity characteristics. For example, a control module may drive, adjust, control, or steer the loudspeaker assemblies so that at least one acoustic wave field is generated at least at one listening position.Type: ApplicationFiled: December 14, 2016Publication date: August 27, 2020Applicant: Harman Becker Automotive Systems GmbHInventors: Markus CHRISTOPH, Matthias KRONLACHNER
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Publication number: 20200267474Abstract: At least two closely spaced identical or similar loudspeaker assemblies, each loudspeaker assembly comprising at least two identical or similar loudspeakers pointing in different directions so that the loudspeaker assemblies have adjustable, controllable or steerable directivity characteristics. For example, a control module may drive adjust, control or steer the loudspeaker assemblies so that at least one acoustic wave field is generated at least at one listening position.Type: ApplicationFiled: December 14, 2016Publication date: August 20, 2020Applicant: Harman Becker Automotive Systems GmbHInventors: Markus CHRISTOPH, Juergen ZOLLNER
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Publication number: 20200267490Abstract: To generate a sound wave field around a listening position in a target room, sound signals to be reproduced at a multiplicity of positions that are distributed in the target room in an arbitrary fashion are generated. Furthermore, an Ambisonic input signal is processed according to a modal beamforming algorithm to provide the sound signals. The modal beamforming algorithm includes matrixing according to a multiple-input multiple-output filtering algorithm.Type: ApplicationFiled: December 14, 2016Publication date: August 20, 2020Applicant: Harman Becker Automotive Systems GmbHInventor: Markus CHRISTOPH
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Patent number: 10750263Abstract: A speaker system is provided with a docking station, a removable housing mounted to the docking station, and a transducer supported by the removable housing. The speaker system is also provided with a processor supported by the removable housing and programmed to separate an audio signal into channels and provide at least one channel to the transducer based a location of the removable housing relative to the docking station.Type: GrantFiled: February 5, 2018Date of Patent: August 18, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Armin Prommersberger, Matthias von Saint-George
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Patent number: 10721555Abstract: Embodiments are disclosed relating to an active noise reducing system and method for a headphone with a rigid cup-like shell which has an outer surface and an inner surface that encompasses a cavity with an opening. The system and method include picking up sound at least at three positions that are regularly distributed over the outer surface, and providing a first electrical signal that represents the picked-up sound. The system and method further include: filtering the first electrical signal to provide a second electrical signal, and generating in the opening of the cavity sound from the second electrical signal. Filtering is performed with a transfer characteristic that is configured so that noise that travels through the shell from beyond the outer surface to beyond the inner surface is reduced by the sound generated in the opening.Type: GrantFiled: May 9, 2016Date of Patent: July 21, 2020Assignee: Harman Becker Automotive Systems GmbHInventor: Markus Christoph
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Publication number: 20200227065Abstract: A speech signal leveling system and method include generating an output signal by applying a frequency-dependent or frequency-independent controllable gain to an input signal, the gain being dependent on a gain control signal, and generating at least one speech detection signal indicative of voice components contained in the input signal. The system and method further include generating the gain control signal based on the input signal and the at least one speech detection signal, controlling the controllable-gain block to amplify or attenuate the input signal to have a predetermined mean or maximum or absolute peak signal level as long as voice components are detected in the input signal.Type: ApplicationFiled: July 17, 2018Publication date: July 16, 2020Applicant: Harman Becker Automotive Systems GmbHInventor: Markus E Christoph
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Patent number: 10715917Abstract: A system and method is configured to generate a sound wave field around a listening position in a target loudspeaker-room-microphone system in which a loudspeaker array of K?1 groups of loudspeakers is disposed around the listening position, and a microphone array of M?1 groups of microphones is disposed at the listening position. The system and method include equalizing filtering with controllable transfer functions in signal paths upstream of the K groups of loudspeakers. The system and method further include controlling with equalization control signals of the controllable transfer functions for equalizing filtering according to an adaptive control algorithm based on error signals and an input signal. The microphone array includes at least two first groups of microphones that are annularly disposed around a listener's head, around or in an artificial head or around or in a rigid sphere.Type: GrantFiled: March 24, 2015Date of Patent: July 14, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Markus Christoph, Leander Scholz
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Patent number: 10715617Abstract: There is provided a network device for processing data packets transmitted between nodes of a network, the network device to intercept data packets of a first traffic class transmitted by a first network node and addressed to a second network node, convert the intercepted data packets into data packets of a second traffic class, and transmit the converted data packets to the second network node.Type: GrantFiled: June 30, 2017Date of Patent: July 14, 2020Assignee: HARMAN BECKER AUTOMOTIVE SYSTEMS GMBHInventor: Jens Rotzinger
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Patent number: 10705719Abstract: An operating system for operating a multifunction system that operates in a blind mode of operation and in a visual mode of operation. The operating system includes a touch-sensitive screen that displays a plurality of virtual function elements for controlling different functions. In the blind mode of operation, the virtual function elements are actuated without viewing the screen, and, in the visual mode of operation, the virtual function elements are activated while viewing the screen. A guide element and an additional operation element are connected to the screen. A control unit controls at least the guide element and the additional operating element provides, in the blind mode of operation, perceivable or audible feedback based on an actuation of the screen if a body part of the operator contacts the screen with one of the virtual function elements.Type: GrantFiled: October 18, 2017Date of Patent: July 7, 2020Assignee: Harman Becker Automotive Systems GmbHInventor: Tino Jakowitz
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Patent number: 10699690Abstract: Active noise control system and methods are disclosed that include generating anti-noise that is configured to reduce or cancel noise occurring at a listening position in the ambiance of a seat with a backrest enclosing a hollow volume. Radiating the anti-noise from within the hollow volume of the backrest of the seat.Type: GrantFiled: March 31, 2017Date of Patent: June 30, 2020Assignee: Harman Becker Automotive Systems GmbHInventors: Markus Christoph, Paul Zukowski
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Patent number: 10692514Abstract: One embodiment id directed towards a noise reduction system that includes a detector block that is configured to detect noise components in an input signal based on a signal-to-noise ratio spectrum of the input signal. The noise reduction system also includes a masking block operatively coupled with the detector block and configured to generate a final spectral noise removal mask and to apply the final spectral noise removal mask to the input signal if noise components in the input signal are detected, the final spectral noise removal mask being configured to suppress the noise components in the input signal, when applied.Type: GrantFiled: July 25, 2018Date of Patent: June 23, 2020Assignee: Harman Becker Automotive Systems GmbHInventor: Markus Christoph
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Patent number: 10681438Abstract: A dynamic arrangement for loudspeaker grilles is disclosed. A first perforated grille is operable to move with respect to a second perforated grille. The relative movement is controlled to cause the two respective sets of perforations to fall in or out of alignment as required, leading to advantageous effects such as different levels of acoustic transparency.Type: GrantFiled: January 2, 2019Date of Patent: June 9, 2020Assignee: Harman Becker Automotive Systems GmbHInventor: Torsten Bech
