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    APPARATUS AND METHOD FOR CORRECTING AN INPUT SIGNAL
    4.
    发明申请
    APPARATUS AND METHOD FOR CORRECTING AN INPUT SIGNAL 有权

    公开(公告)号：US20210242891A1

    公开(公告)日：2021-08-05

    申请号：US17144913

    申请日：2021-01-08

    Applicant: Infineon Technologies AG

    Inventor： Alessandra Fusco ,  Christian Bretthauer

    IPC: H04B1/10

    Abstract: An apparatus for correcting an input signal is configured for receiving the input signal, the received input signal comprising a series of input values. The apparatus is configured for matching a series of template values to the series of input values by warping the series of template values and the series of input values relatively to each other so as to assign one or more template values to one or more input values, wherein the series of template values represents an approximation of a noise signal that is expected to be comprised in the input signal. The apparatus is configured for obtaining a series of corrected input values based on a mismatch between the input values and their respective assigned template values. The apparatus is configured for providing a corrected signal based on the series of corrected input values.

    Microelectromechanical transducer
    5.
    发明授权
    Microelectromechanical transducer 有权

    公开(公告)号：US10926999B2

    公开(公告)日：2021-02-23

    申请号：US16540625

    申请日：2019-08-14

    Applicant: Infineon Technologies AG

    Inventor： Christian Bretthauer ,  Alfons Dehe ,  Alfred Sigi

    IPC: H01L41/18 ,  B81B3/00 ,  H04R19/00 ,  H04R17/02 ,  H04R19/02 ,  H04R19/04 ,  B81B7/02 ,  B81C1/00 ,  H01L41/113 ,  B81B7/00 ,  H01L41/09 ,  H04R7/06 ,  H04R31/00 ,  H04R7/04

    Abstract: In accordance with an embodiment, a microelectromechanical transducer includes a displaceable membrane having an undulated section comprising at least one undulation trough and at least one undulation peak and a plurality of piezoelectric unit cells. At least one piezoelectric unit cell is provided in each case in at least one undulation trough and at least one undulation peak, where each piezoelectric unit cell has a piezoelectric layer and at least one electrode in electrical contact with the piezoelectric layer. The membrane may be formed as a planar component having a substantially larger extent in a first and a second spatial direction, which are orthogonal to one another, than in a third spatial direction, which is orthogonal to the first and the second spatial direction and defines an axial direction of the membrane.

    MICRO-SPEAKER DEVICE
    6.
    发明公开
    MICRO-SPEAKER DEVICE 审中-公开

    公开(公告)号：US20240323591A1

    公开(公告)日：2024-09-26

    申请号：US18609732

    申请日：2024-03-19

    Applicant: Infineon Technologies AG

    Inventor： Christian Bretthauer

    IPC: H04R1/28 ,  H04R1/02 ,  H04R3/04 ,  H04R17/00

    CPC classification number: H04R1/2811 ,  H04R1/025 ,  H04R3/04 ,  H04R17/00 ,  H04R2201/003

    Abstract: A speaker device comprises a housing having an acoustic aperture, a transducer element in the housing configured to receive a first actuation signal and to generate an acoustic output signal. The speaker device comprises a shutter element in the housing configured to receive a second actuation signal and arranged laterally offset to the transducer in the housing. The shutter element is arranged in an acoustic path between the transducer element and the acoustic aperture and comprises a shutter portion movable in opposite directions in response to the second actuation signal. A controller provides the first actuation signal to the transducer element, while the first actuation signal has an ultrasonic signal component modulated with an audio signal component. The controller provides the second actuation signal to the shutter element that has half the frequency of the ultrasonic signal component.

    Thermoresistive Micro Sensor Device
    7.
    发明公开
    Thermoresistive Micro Sensor Device 审中-公开

    公开(公告)号：US20230160732A1

    公开(公告)日：2023-05-25

    申请号：US18065394

    申请日：2022-12-13

    Applicant: Infineon Technologies AG

    Inventor： Martin Seidl ,  Christian Bretthauer ,  Wolfgang Klein ,  Ulrich Krumbein ,  David Tumpold

    IPC: G01F1/688 ,  G01F1/86

    CPC classification number: G01F1/6888 ,  G01F1/86

    Abstract: A thermoresistive micro sensor device includes a semiconductor chip; a through hole, which runs through the semiconductor chip from an upper side to a lower side; electrically conductive structures, wherein the middle section of each of the electrically conductive structures spans over the through hole at the upper side of the semiconductor chip; an electrically insulating arrangement for electrically insulating the electrically conductive structures and the semiconductor chip from each other, wherein the through hole runs through the electrically insulating arrangement; and a contact arrangement including contacts, wherein each of the contacts is electrically connected to one of the first end sections or one of the second end sections, so that electrical energy is fed to at least one of the electrically conductive structures to heat the respective electrically conductive structure, and so that an electrical resistance of one of the electrically conductive structures is measured at the contact arrangement.

    Apparatus for analyzing the particulate matter content of an aerosol
    9.
    发明授权
    Apparatus for analyzing the particulate matter content of an aerosol 有权

    公开(公告)号：US11530968B2

    公开(公告)日：2022-12-20

    申请号：US16926790

    申请日：2020-07-13

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： Alfons Dehe ,  Christian Bretthauer

    IPC: G01N15/06 ,  G01N29/032 ,  G01N15/02 ,  G01N15/00

    Abstract: An apparatus for analyzing the particulate matter content of an aerosol includes an aerosol chamber configured to receive an aerosol, the particulate matter content of which should be analyzed, at least one ultrasonic generator configured to produce ultrasonic waves in the aerosol received in the aerosol chamber, an ultrasonic detector configured to detect ultrasonic waves produced by the at least one ultrasonic generator in the aerosol, and an evaluator having a data exchange communication link with the ultrasonic detector and configured to ascertain the matter content on the basis of signals output by the ultrasonic detector. The ultrasonic generator and the ultrasonic detector are positioned relative to one another such that a path length to be traversed by ultrasonic waves between the ultrasonic generator and the ultrasonic detector is less than 1 cm.

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