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    Detection of polyethylene and silicon or other material combinations used in motion sensors or other devices
    21.
    发明授权
    Detection of polyethylene and silicon or other material combinations used in motion sensors or other devices 有权

    公开(公告)号：US11428708B2

    公开(公告)日：2022-08-30

    申请号：US16932030

    申请日：2020-07-17

    Applicant: Raytheon Company

    Inventor： Gary A. Frazier ,  Randy L. Gann

    IPC: G01P13/00 ,  G01N21/65 ,  G01V8/10 ,  G08B13/19

    Abstract: A method includes transmitting first optical energy towards a space being scanned. The method also includes detecting one or more instances of a first material in the space using first return optical energy, where the first return optical energy is based on the transmitted first optical energy. The method further includes, for each of the one or more instances of the first material, transmitting second optical energy towards a portion of the space in which the instance of the first material was detected. The method also includes detecting one or more instances of a second material in the space using second return optical energy, where the second return optical energy is based on the transmitted second optical energy. In addition, the method includes identifying a presence of at least one type of device in the space based on instances of the first and second materials detected in the space.

    WIRE-BASED INDUCTORS
    23.
    发明申请
    WIRE-BASED INDUCTORS 审中-公开

    公开(公告)号：US20200258674A1

    公开(公告)日：2020-08-13

    申请号：US16273225

    申请日：2019-02-12

    Applicant: Raytheon Company

    Inventor： Jonathan Frasch ,  Gary A. Frazier ,  Kyle L. Grosse

    IPC: H01F27/28 ,  H01F27/24 ,  H01F1/42 ,  H01F41/069 ,  H01F27/34 ,  D02G3/36 ,  D02G3/02 ,  D02G3/44

    Abstract: A continuous wire that includes a wound inductance from a first yarn material formed of filaments or nanotubes, the first yarn being doped with or including a first material that causes it to be electrically conductive and a second yarn formed of material filaments or nanotubes that is electrically insulating and may include magnetic particles wound with the first yarn in bifilar fashion or both yarns wrapped in a bifilar fashion around an insulating core yarn which may include magnetic particles to increase the inductance of the wire. The doping and electrical conductance of the yarns can be varied along the length of the wire to integrate sections of lumped electrical conductance and inductance.

    Optical window with abrasion tolerance
    28.
    发明授权
    Optical window with abrasion tolerance 有权

    公开(公告)号：US11880018B2

    公开(公告)日：2024-01-23

    申请号：US17199602

    申请日：2021-03-12

    Applicant: Raytheon Company

    Inventor： Gary A. Frazier

    IPC: G02B1/115 ,  G01J1/04 ,  B64C1/14 ,  B64C30/00

    CPC classification number: G02B1/115 ,  B64C1/1484 ,  G01J1/0407 ,  B64C30/00

    Abstract: An optical window for a hypersonic vehicle includes a window substrate and an optical coating on the window substrate, with the coating including multiple alternating layers of different materials. The coating may have many layers, for example having five or more alternating bi-layers and may be configured to still perform its optical function with some of the layers removed, such as by ablation of some of the layers through exposure to hypersonic flow. The different materials of the different layers may have different properties, for example with one of the materials being more resistant to ablation and/or chemical reaction than another of the layers. Coatings for anti-reflection additionally include a region of graded optical index between the sequence of bi-layers and the substrate. The hypersonic vehicle may include an optical sensor which operates by receiving light through the optical window.

    Optical window with integrated temperature sensing
    29.
    发明授权
    Optical window with integrated temperature sensing 有权

    公开(公告)号：US11792967B2

    公开(公告)日：2023-10-17

    申请号：US17190037

    申请日：2021-03-02

    Applicant: RAYTHEON COMPANY

    Inventor： Kyle L. Grosse ,  Gary A. Frazier ,  Catherine Trent

    IPC: H05K9/00

    CPC classification number: H05K9/0094 ,  H05K9/0005 ,  H05K9/0086

    Abstract: Methods and apparatus for measuring and optionally adjusting the temperature profile of an optical window. In one example, an optical window with integrated temperature sensing functionality includes a first window layer of an optically transparent material, a second window layer of the optically transparent material, an electromagnetic interference shielding grid disposed between the first and second window layers and including a first electrically conductive structure and a second electrically conductive structure, and a thermally sensitive material disposed between the first and second electrically conductive structures, the thermally sensitive material having an electrical property that varies as a function of temperature.

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