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    SYSTEM AND METHOD FOR PERSONAL PROTECTIVE EQUIPMENT ARTICLE
    1.
    发明公开
    SYSTEM AND METHOD FOR PERSONAL PROTECTIVE EQUIPMENT ARTICLE 审中-公开

    公开(公告)号：US20230316888A1

    公开(公告)日：2023-10-05

    申请号：US18007223

    申请日：2021-07-28

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Darin K. Thompson ,  Craig M. Parkulo ,  David A. Amero

    IPC: G08B21/04 ,  G10L13/02 ,  H04R3/00 ,  G08B25/10

    CPC classification number: G08B21/0446 ,  G08B25/10 ,  G10L13/02 ,  H04R3/00 ,  H04R2420/07

    Abstract: A system for use with a personal protective equipment (PPE) article includes a memory configured to store a user identification associated with a user of the PPE article. The system further includes a safety module configured to selectively generate an alert signal based on a motion status of the user of the PPE article. The system further includes a transceiver unit configured to wirelessly transmit and receive data. The system further includes a controller communicably coupled to the memory, the safety module and the transceiver unit. The controller is configured to retrieve the user identification from the memory upon receiving the alert signal from the safety module. The controller is further configured to convert the user identification into a speech data. The controller is further configured to transmit the speech data through the transceiver unit.

    SAFETY SYSTEM AND METHOD
    2.
    发明公开
    SAFETY SYSTEM AND METHOD 审中-公开

    公开(公告)号：US20230388831A1

    公开(公告)日：2023-11-30

    申请号：US18245975

    申请日：2021-09-27

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Craig M. Parkulo ,  Wesley M. Barbee ,  Matthew Shannon ,  Ronnie G. Durham

    IPC: H04W24/08 ,  H04L41/069 ,  H04L41/0681

    CPC classification number: H04W24/08 ,  H04L41/069 ,  H04L41/0681

    Abstract: A safety system includes a plurality of alert devices associated with a unique identifier. Each alert device includes a user interface, a wireless transceiver, and a processor communicably coupled to the wireless transceiver. The processor of at least one alert device is configured to generate an alarm signal indicative of an alarm state, and transmit the alarm signal including the unique identifier of the at least one alert device to the wireless transceivers of the other alert devices. The processor of each of the other alert devices is configured to receive the alarm signal from the at least one alert device, determine a link quality indicative of at least a relative distance between the at least one alert device and the corresponding other alert device, and display, via the user interface, an alert message including the unique identifier of the at least one alert device and the corresponding link quality.

    SAFETY CIRCUIT, DEVICE AND METHOD
    3.
    发明公开
    SAFETY CIRCUIT, DEVICE AND METHOD 审中-公开

    公开(公告)号：US20230326326A1

    公开(公告)日：2023-10-12

    申请号：US18043924

    申请日：2021-08-30

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Matthew Shannon ,  Wesley M. Barbee ,  Craig M. Parkulo ,  Ronnie G. Durham ,  Michael R. Oliva ,  Paul M. Rathke ,  Brian Minier

    IPC: G08B25/01 ,  G08B21/04

    CPC classification number: G08B25/016 ,  G08B21/0438

    Abstract: A safety circuit for a Personal Alert Safety System (PASS) device includes a safety logic circuit and an alarm circuit. The safety logic circuit is communicably coupled to the PASS device. The safety logic circuit includes a timer configured to determine a time elapsed since the timer has been last reset. The safety logic circuit is configured to switch from an off state to an on state upon receiving an activation signal from the PASS device and reset the timer upon switching to the on state, generate a trigger signal in response to the timer exceeding a time threshold, and reset the timer upon receiving a reset signal from the PASS device before the timer exceeds the time threshold. The alarm circuit is communicably coupled to the safety logic circuit and configured to generate an alarm signal upon receiving the trigger signal from the safety logic circuit.

    DETERMINING RESPONDER CLOSEST TO DOWNED RESPONDER
    6.
    发明申请
    DETERMINING RESPONDER CLOSEST TO DOWNED RESPONDER 有权

    公开(公告)号：US20220335809A1

    公开(公告)日：2022-10-20

    申请号：US17633097

    申请日：2020-08-04

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Matthew Shannon ,  Craig M. Parkulo ,  Wesley M. Barbee ,  Ronnie G. Durham ,  Dean L. Gervasi

    IPC: G08B25/01 ,  G08B25/10 ,  H04W4/029 ,  H04W4/90 ,  G06Q50/26

    Abstract: A monitoring unit for wireless communication with a plurality of self-contained breathing apparatus (SCBA) units configured to form a network is provided. The monitoring unit includes a communication interface and processing circuitry. The processing circuitry is configured to receive, via the communication interface, a plurality of updates from each of the SCBA units where each update includes information indicating at least one communication link quality to at least one other SCBA unit. The processing circuitry is further configured to determine at least one distance from each SCBA unit to at least one other SCBA unit that is one hop away in the network based at least in part on the communication link quality. The processing circuitry is further configured to cause the determined at least one distance to be displayed.

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