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    Harmonic shuttered seeker
    11.
    发明授权
    Harmonic shuttered seeker 有权
    谐波快门

    公开(公告)号：US09207053B2

    公开(公告)日：2015-12-08

    申请号：US13923986

    申请日：2013-06-21

    Applicant: Rosemount Aerospace, Inc.

    Inventor： Todd Ell ,  Robert Rutkiewicz

    IPC: F41G7/22 ,  F42B15/01 ,  F41G9/00 ,  F41G7/00 ,  F42B15/00

    CPC classification number: F42B15/01 ,  F41G7/226 ,  F41G7/2293 ,  F41G9/00

    Abstract: A dual-mode, semi-active, laser-based and passive image-based seeker for projectiles, missiles, and other ordnance that persecute targets by detecting and tracking energy scattered from targets. The disclosed embodiments use a single digital imager having a single focal plane array sensor to sense data in both the image-based and laser-based modes of operation. A shuttering technique allows the relatively low frame-rate of the digital imager to detect, decode and localize in the imager's field-of-view a known pulse repetition frequency (PRF) from a known designator in the presence of ambient light and other confusing target designators, each having a different PRF.

    Abstract translation: 一种双模，半主动，基于激光和被动的图像探测器，用于通过检测和跟踪从目标散射的能量来迫害目标的射弹，导弹和其他武器。 所公开的实施例使用具有单个焦平面阵列传感器的单个数字成像器来检测基于图像和基于激光的操作模式中的数据。 快门技术允许数字成像器的相对较低的帧速率在成像器的视野中检测，解码和定位已知的脉冲重复频率（PRF），该已知的脉冲重复频率（PRF）在存在环境光和其他混淆目标的情况下来自已知的指示符 指示符，每个都有不同的PRF。

    Method and system for aircraft taxi strike alerting
    12.
    发明授权
    Method and system for aircraft taxi strike alerting 有权

    公开(公告)号：US10559213B2

    公开(公告)日：2020-02-11

    申请号：US15450835

    申请日：2017-03-06

    Applicant: Rosemount Aerospace Inc.

    Inventor： Todd Anthony Ell ,  Robert Rutkiewicz ,  Joseph T. Pesik

    IPC: G08G5/04 ,  H04N7/18 ,  H04N5/33 ,  H04N5/225 ,  B64D47/08 ,  G08G5/06 ,  G06K9/20 ,  B64F1/00 ,  G06K9/00 ,  B64D47/02 ,  G06T7/55 ,  G06T7/521

    Abstract: Apparatus and associated methods relate to ranging object(s) nearby an aircraft using triangulation of pulses of spatially-patterned light projected upon and reflected by the object(s). The projected pulses provide rapidly-changing illumination of a spatially patterned portion of the scene. A camera receives a reflected portion of the projected pulse and focuses the received portion onto a plurality of light-sensitive pixels, thereby forming a pulse image. The pulse image includes pixel data indicative of a rate of change of light intensity focused thereon exceeding a predetermined threshold. Pixel coordinates, corresponding to a subset of the plurality of light-sensitive pixels that are indicative of the rate of change of light intensity exceeding a predetermined threshold, are identified. Trajectory and/or range data of object(s) in the scene are calculated, based on a projector location, a camera location, and the identified pixel coordinates.

    Method and system for aircraft taxi strike alerting
    14.
    发明授权
    Method and system for aircraft taxi strike alerting 有权

    公开(公告)号：US10043404B2

    公开(公告)日：2018-08-07

    申请号：US15385224

    申请日：2016-12-20

    Applicant: Rosemount Aerospace Inc.

    Inventor： Todd Ell ,  Robert Rutkiewicz ,  Joseph T. Pesik

    IPC: B64D47/02 ,  G08G5/04 ,  B64D43/00 ,  B64D47/08 ,  G01S17/89 ,  G06K9/00 ,  G08G5/06 ,  B64F1/00 ,  G06T7/50

    Abstract: Apparatus and associated methods relate to ranging an object nearby an aircraft by triangulation of spatially-patterned light projected upon and reflected from the object. The spatially patterned light can have a wavelength corresponding to infrared light and/or to an atmospheric absorption band. In some embodiments, images of the object are captured both with and without illumination by the spatially-patterned light. A difference between these two images can be used to isolate the spatially-patterned light. The two images can also be used to identify pixel boundaries of the object and to calculate ranges of portions of the object corresponding to pixels imaging these portions. For pixels imaging reflections of the spatially-patterned light, triangulation can be used to calculate range. For pixels not imaging reflections of the spatially-patterned light, ranges can be calculated using one or more of the calculated ranges calculated using triangulation corresponding to nearby pixels.

    Target-designation detection used to shutter camera images for locating target
    15.
    发明授权
    Target-designation detection used to shutter camera images for locating target 有权

    公开(公告)号：US09857145B1

    公开(公告)日：2018-01-02

    申请号：US15195594

    申请日：2016-06-28

    Applicant: Rosemount Aerospace Inc.

    Inventor： Robert Rutkiewicz ,  Gary Halama

    IPC: F41G7/26 ,  H04N5/33 ,  H04N5/04 ,  F41G7/00

    CPC classification number: F41G7/26 ,  F41G7/008 ,  F41G7/2253 ,  F41G7/226 ,  F41G7/2293 ,  G01S3/784 ,  H04N5/04 ,  H04N5/30 ,  H04N5/33

    Abstract: Apparatus and associated methods relate to a seeker for a Semi-Active Laser (SAL) guided missile. The seeker has a Short-Wave InfraRed (SWIR) camera and a Pulse Timing Logic (PTL) detector. The PTL detector has a SWIR photo detector axially aligned with a lens stack of the SWIR camera. The SWIR photo detector is configured to detect a sequence of SWIR pulses generated by a SAL target designator and reflected by a designated target. The PTL detector has a pulse timer configured to identify a sequence pattern of the detected sequence of SWIR pulses, and to predict a timing of a next SWIR pulse in the identified sequence pattern so as to synchronize exposure of the SWIR camera to capture a next image of the designated target at the predicted timing of the next SWIR pulse. Such exposure timing can advantageously improve the signal to noise ratio of the next image.

    HARMONIC SHUTTERED SEEKER
    16.
    发明申请
    HARMONIC SHUTTERED SEEKER 有权

    公开(公告)号：US20140374533A1

    公开(公告)日：2014-12-25

    申请号：US13923986

    申请日：2013-06-21

    Applicant: Rosemount Aerospace, Inc.

    Inventor： Todd Ell ,  Robert Rutkiewicz

    IPC: F42B15/01 ,  F41G9/00

    CPC classification number: F42B15/01 ,  F41G7/226 ,  F41G7/2293 ,  F41G9/00

    Abstract: A dual-mode, semi-active, laser-based and passive image-based seeker for projectiles, missiles, and other ordnance that persecute targets by detecting and tracking energy scattered from targets. The disclosed embodiments use a single digital imager having a single focal plane array sensor to sense data in both the image-based and laser-based modes of operation. A shuttering technique allows the relatively low frame-rate of the digital imager to detect, decode and localize in the imager's field-of-view a known pulse repetition frequency (PRF) from a known designator in the presence of ambient light and other confusing target designators, each having a different PRF.

    Abstract translation: 一种双模，半主动，基于激光和被动的图像探测器，用于通过检测和跟踪从目标散射的能量来迫害目标的射弹，导弹和其他武器。 所公开的实施例使用具有单个焦平面阵列传感器的单个数字成像器来检测基于图像和基于激光的操作模式中的数据。 快门技术允许数字成像器的相对较低的帧速率在成像器的视野中检测，解码和定位已知的脉冲重复频率（PRF），该已知的脉冲重复频率（PRF）在存在环境光和其他混淆目标的情况下来自已知的指示符 指示符，每个都有不同的PRF。

    METHOD AND SYSTEM FOR AIRCRAFT TAXI STRIKE ALERTING
    17.
    发明申请
    METHOD AND SYSTEM FOR AIRCRAFT TAXI STRIKE ALERTING 有权

    公开(公告)号：US20210295723A1

    公开(公告)日：2021-09-23

    申请号：US16822999

    申请日：2020-03-18

    Applicant: Rosemount Aerospace Inc.

    Inventor： Robert Rutkiewicz ,  Joseph T. Pesik

    IPC: G08G5/06 ,  G08G5/04 ,  B64F1/00 ,  B64D47/08 ,  G06K9/00 ,  G06K9/62 ,  G01J4/04

    Abstract: Apparatus and associated methods relate to ranging object(s) nearby an aircraft using triangulation. A light projector mounted at a projector location on the aircraft projects pulses of polarized light onto the scene external to the aircraft. The projected pulses of polarized light are polarized in a first polarization state. A camera mounted at a camera location on the aircraft has a shutter synchronized to the projector output pulse and receives a portion of the projected pulses of polarized light reflected by the object(s) in the scene and polarized at a second polarization state orthogonal to the first polarization state. Location(s) and/or range(s) of the object(s) is calculated, based on the projector location, the camera location, and pixel location(s) upon which the portion of light is imaged.

    METHOD AND SYSTEM FOR AIRCRAFT TAXI STRIKE ALERTING
    19.
    发明申请
    METHOD AND SYSTEM FOR AIRCRAFT TAXI STRIKE ALERTING 审中-公开

    公开(公告)号：US20180301043A1

    公开(公告)日：2018-10-18

    申请号：US15489381

    申请日：2017-04-17

    Applicant: Rosemount Aerospace Inc.

    Inventor： Robert Rutkiewicz ,  Joseph T. Pesik ,  Todd Anthony Ell

    IPC: G08G5/04 ,  G08G5/00 ,  G06T7/521 ,  H04N5/33 ,  H04N5/225 ,  G01S17/48 ,  G01S17/02 ,  B64D47/08 ,  B64D45/00

    Abstract: Apparatus and associated methods relate to ranging object(s) nearby an aircraft using triangulation of pulses of linearly-patterned light projected upon and reflected by the object(s). A light projector projects the pulses of linearly-patterned light in a controllable direction onto the scene external to the aircraft. A reflected portion of the projected pulses is focused onto a selected row or column of light-sensitive pixels of a two-dimensional array, thereby forming a row or column of image data. The direction of projected light and the row or column of pixels selected are coordinated so that the portion of the projected pulses reflected by the scene is received by the camera and focused on the selected one of the rows or columns of light-sensitive pixels. Location(s) and/or range(s) of object(s) in the scene are calculated, based on a projector location, a camera location, and the row or column of image data.

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