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    PERSONAL PROTECTIVE DEVICE WITH LOCAL VOICE RECOGNITION AND METHOD OF PROCESSING A VOICE SIGNAL THEREIN
    1.
    发明申请
    PERSONAL PROTECTIVE DEVICE WITH LOCAL VOICE RECOGNITION AND METHOD OF PROCESSING A VOICE SIGNAL THEREIN 审中-公开

    公开(公告)号：WO2022101747A1

    公开(公告)日：2022-05-19

    申请号：PCT/IB2021/060223

    申请日：2021-11-04

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： KURZHALS, Holger J. ,  STALDER, Michael H. ,  HJORT, Patrick R.T. ,  JOHANSSON, Magnus S.

    IPC: A61F11/06 ,  A61F11/14 ,  G10L15/00 ,  A41D13/05 ,  A61F9/06 ,  F16P1/00 ,  G10L15/22 ,  A41D13/00

    Abstract: The present disclosure relates to a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising a voice receiving unit 20, 20', a voice processing unit 30, 30', a command processing unit 40, 40' and a control unit 42, 42'. The present disclosure further relates to a method of processing a voice signal 202, 202' in a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising the steps of recognizing a voice signal 202, 202' by a microphone 10, 10', transmitting the voice signal 202, 202' to the voice processing unit 30, 30', optionally of an external device 31', processing the received voice signal 202, 202' with the voice processing unit 30, 30' to generate a voice command based on the received voice signal 202, 202', processing the voice command generated from the voice signal 202, 202' and matching it with the command information stored within the voice processing unit 30, 30' to generate a voice command information block, transmitting the voice command information block to the command processing unit 40, 40', processing the voice command information block and matching it with the control information stored within the command processing unit 40, 40' to generate a control command and transmitting the control command to the control unit 42, 42'.

    HEARING PROTECTION DEVICE WITH HAPTIC SENSING AND METHOD OF OPERATING A HEARING PROTECTION DEVICE
    3.
    发明申请
    HEARING PROTECTION DEVICE WITH HAPTIC SENSING AND METHOD OF OPERATING A HEARING PROTECTION DEVICE 审中-公开

    公开(公告)号：WO2023047248A1

    公开(公告)日：2023-03-30

    申请号：PCT/IB2022/058628

    申请日：2022-09-13

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： NILSSON, Jonas A. ,  HJORT, Patrick R.T.

    IPC: A61F11/14 ,  H04R1/10

    Abstract: A hearing protection device (10, 10') comprises at least one earmuff (12, 14) or earplug (12', 14'), optionally a headband (18, 18') for carrying the at least one earmuff (12, 14) or earplug (12', 14'), electronic equipment (13b, 13c, 13d), sound-absorbing material and a haptic sensing unit (11, 11a, 11b) to sense a touch pattern occurring on at least a first portion of the hearing protection device (10, 10'), optionally of the at least one earmuff (12, 14) or earplug (12', 14') and/or of the headband (18, 18'). A method of operating a hearing protection device (10, 10') comprises the steps of providing a haptic sensing unit (11,11a, 11b) having a haptic sensor (146a, 146b, 146c) configured to sense a touch pattern occurring on at least a first portion of the hearing protection device (10, 10'), optionally of the at least one earmuff (12, 14) or earplug (12', 14') and/or of the headband (18, 18'); executing a command when the haptic sensor senses (146a, 146b, 146c) a touch pattern occurring on at least a first portion of the hearing protection device (10, 10'), optionally at least one earmuff (12, 14) or earplug (12', 14') and/or of the headband (18, 18'); and triggering a particular state for the hearing protection device (10, 10') based on the touch pattern sensed, wherein the it provides for a button-less hearing protection device (10, 10') not requiring space and holes in the outer shell. Just tapping on a portion of the hearing protection device (10, 10') will initiate operational switching thereof, i. e.- upon sensing of a touch pattern, a command is executed.

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