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    WIRELESS AUTHENTICATION SYSTEMS
    42.
    发明申请
    WIRELESS AUTHENTICATION SYSTEMS 审中-公开

    公开(公告)号：US20200187005A1

    公开(公告)日：2020-06-11

    申请号：US16614548

    申请日：2018-06-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Nicholas T. Gabriel ,  Ronald D. Jesme ,  Justin Tungjunyatham

    IPC: H04W12/06 ,  H04W12/04 ,  G06F1/16 ,  G06F21/60 ,  G06F16/22

    Abstract: Embodiments include wireless authentication devices, systems, and methods. A wireless authentication system can include an active wireless communication device including a first memory, first processing circuitry, and a first antenna, the first processing circuitry to produce an identifier request for an identifier (ID) and cause the first antenna to transmit the identifier request, receive the ID in a response to the identifier request, identify, based on the ID and data in the first memory, a location of a second memory to access, and produce an access request for the identified location of the second memory and cause the first antenna to transmit the access request. The system can further include a passive wireless communication device comprising a second memory, second processing circuitry, a second antenna, and a power harvesting circuitry to convert electromagnetic power incident on the second antenna to electrical power for the second memory and the second processing circuitry, the second processing circuitry to produce the response to the identifier request, the response including the ID, and cause the second antenna to produce the response, receive the access request, retrieve data from or write data to the identified location of the second memory based on the access request, and cause the second antenna to transmit the response to the access request.

    FALL PROTECTION EQUIPMENT EVENT GENERATION AND MONITORING
    43.
    发明申请
    FALL PROTECTION EQUIPMENT EVENT GENERATION AND MONITORING 审中-公开

    公开(公告)号：US20200096952A1

    公开(公告)日：2020-03-26

    申请号：US16695595

    申请日：2019-11-26

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jia Hu ,  Matthew J. Blackford ,  Keith G. Mattson ,  Ronald D. Jesme ,  Nathan J. Anderson

    IPC: G05B9/02 ,  G05B17/02 ,  G05B6/02 ,  A62B35/00

    Abstract: In some examples, a system includes a self-retracting lifeline (SRL) comprising one or more electronic sensors, the one or more electronic sensors configured to generate data that is indicative of an operation of the SRL; and at least one computing device comprising one or more computer processors and a memory comprising instructions that when executed by the one or more computer processors cause the one or more computer processors to: receive the data that is indicative of the operation of the SRL; apply the data to a safety model that predicts a likelihood of an occurrence of a safety event associated with the SRL; and perform one or more operations based at least in part on the likelihood of the occurrence of the safety event.

    Methods and Apparatus for Generating Energy Using Fall Protection Devices
    44.
    发明申请
    Methods and Apparatus for Generating Energy Using Fall Protection Devices 审中-公开

    公开(公告)号：US20200047006A1

    公开(公告)日：2020-02-13

    申请号：US16340526

    申请日：2017-10-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Matthew J. Blackford ,  Jia Hu ,  Jay A. Esch ,  Ronald D. Jesme ,  Orlin B. Knudson ,  Jonathan E. Reneberg ,  Jared C. Ferraro

    IPC: A62B35/00 ,  H02J7/32

    Abstract: A fall protection device comprises an energy harvester to generate electrical power in response to movement of an elongate member and a circuit powered by the generated electrical power; an impact indicator connected to an elongate member, a controller connected to the elongate member and/or the impact indicator to generate a message in response to impact, and a transmitter connected to the controller to transmit the message; and/or a sensor connected to an elongate member and a controller connected to the sensor to generate a message in response to movement of the elongate member. The fall protection device could include a generator to generate electrical power, an energy storage capacitor to store the generated electrical power, a controller powered by the energy storage capacitor to generate a message in response to action, and a wireless transmitter powered by the energy storage capacitor to transmit the message.

    SHIELDED RFID ANTENNA
    47.
    发明申请
    SHIELDED RFID ANTENNA 审中-公开

    公开(公告)号：US20190334230A1

    公开(公告)日：2019-10-31

    申请号：US16309186

    申请日：2017-06-14

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Ronald D. Jesme ,  Nicholas T. Gabriel ,  Andrew P. Bonifas ,  Zohaib Hameed

    IPC: H01Q1/38 ,  H04B5/00 ,  G06K19/077

    Abstract: A shielded antenna (100) includes a spiral antenna (110) and a shield (120) disposed on the spiral antenna. The spiral antenna comprises a plurality of substantially concentric loops. The shield comprises a plurality of electrically isolated electrically conductive segments forming a regular pattern, such that in a top plan view, at least one segment overlaps a portion of at least two loops, and at least one pair of adjacent conductive segments defines an electrically insulative gap therebetween.

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