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    EXTENDED HIGH DYNAMIC RANGE DIRECT INJECTION CIRCUIT FOR IMAGING APPLICATIONS
    2.
    发明申请
    EXTENDED HIGH DYNAMIC RANGE DIRECT INJECTION CIRCUIT FOR IMAGING APPLICATIONS 审中-公开

    公开(公告)号：WO2018118121A1

    公开(公告)日：2018-06-28

    申请号：PCT/US2017/043449

    申请日：2017-07-24

    Applicant: RAYTHEON COMPANY

    Inventor： VAMPOLA, John L. ,  HARRIS, Micky R. ,  KEAN, Bryan W. ,  BOTTS, Steven ,  PERALTA, Richard J.

    IPC: H04N5/3745 ,  H04N5/355

    Abstract: According to one aspect, embodiments herein provide a unit cell circuit comprising a photodetector configured to generate a photo-current in response to receiving light, a first integration capacitor configured to accumulate charge corresponding to the photo-current, a second integration capacitor configured to accumulate charge corresponding to the photo- current, a charge diverting switch coupled to the photodetector and configured to selectively couple the first integration capacitor to the second integration capacitor and divert the photo- current to the second integration capacitor in response to a voltage across the first integration capacitor exceeding a threshold level, and read-out circuitry coupled to the first integration capacitor and the charge diverting switch and configured to read-out a first voltage sample from the first integration capacitor corresponding to charge accumulated on the first integration capacitor and to read-out a second voltage sample from the second integration capacitor corresponding to charge accumulated on the second integration capacitor.

    PROGRAMMABLE DIGITAL TDI EO/IR SCANNING FOCAL PLANE ARRAY WITH MULTIPLE SELECTABLE TDI SUB-BANKS
    3.
    发明申请
    PROGRAMMABLE DIGITAL TDI EO/IR SCANNING FOCAL PLANE ARRAY WITH MULTIPLE SELECTABLE TDI SUB-BANKS 审中-公开

    公开(公告)号：WO2019232211A1

    公开(公告)日：2019-12-05

    申请号：PCT/US2019/034655

    申请日：2019-05-30

    Applicant: RAYTHEON COMPANY

    Inventor： BOTTS, Steven ,  KEAN, Bryan W. ,  PERALTA, Richard J. ,  VAMPOLA, John L. ,  HARRIS, Micky R.

    IPC: H04N5/345 ,  H04N5/372 ,  H04N5/374

    Abstract: A TDI scanner including a dynamically programmable focal plane array including a two- dimensional array of detectors arranged in a plurality of columns and a plurality of rows, the array being divided into a plurality of banks separated from one another by gap regions, each bank including a plurality of sub-banks, and each sub-bank including at least one row of detectors, a ROIC coupled to the focal plane array and configured to combine in a TDI process outputs from detectors in each column of detectors in each sub-bank, and a controller configured to program the focal plane array to selectively and dynamically set characteristics of the focal plane array, the characteristics including a size and a location within the two-dimensional array of each of the plurality of sub-banks and the gap regions, the size corresponding to a number of rows of detectors included in the respective sub-bank or gap region.

    PIXEL-BASED EVENT DETECTION FOR TRACKING, HOSTILE FIRE INDICATION, GLINT SUPPRESSION, AND OTHER APPLICATIONS
    4.
    发明申请
    PIXEL-BASED EVENT DETECTION FOR TRACKING, HOSTILE FIRE INDICATION, GLINT SUPPRESSION, AND OTHER APPLICATIONS 审中-公开

    公开(公告)号：WO2018144076A1

    公开(公告)日：2018-08-09

    申请号：PCT/US2017/055506

    申请日：2017-10-06

    Applicant: RAYTHEON COMPANY

    Inventor： HARRIS, Micky R. ,  BEUVILLE, Eric J. ,  COSTA, Juliette S. ,  BOEMLER, Christian M. ,  MASSIE, Mark A.

    IPC: H04N5/14 ,  G01T1/17 ,  G01S17/02 ,  H04N5/3745

    Abstract: A method (500) includes generating an intensity value (216) based on illumination received at a pixel of an imaging system (100). The intensity value is generated by integrating (506) values using a first counter (210) of a detector (200) during a first period of time. The method also includes integrating (508) the values repeatedly during smaller second periods of time within the first period of time using a second counter (212) of the detector. The second counter has a lower bit resolution than the first counter. The method further includes resetting the second counter for each of the second periods of time. In addition, the method includes generating (510) a pixel event indicator (218) in response to the second counter outputting a specified value. The method may also include determining (512) whether one or more neighboring detectors (200) also generated one or more pixel event indicators and generating (514) an event indicator (226) when the one or more neighboring detectors also generated the one or more pixel event indicators.

    PROGRAMMABLE DIGITAL TDI EO/IR SCANNING FOCAL PLANE ARRAY WITH MULTIPLE SELECTABLE TDI SUB-BANKS
    8.
    发明公开
    PROGRAMMABLE DIGITAL TDI EO/IR SCANNING FOCAL PLANE ARRAY WITH MULTIPLE SELECTABLE TDI SUB-BANKS 审中-实审

    公开(公告)号：EP4346224A2

    公开(公告)日：2024-04-03

    申请号：EP24158186.7

    申请日：2019-05-30

    Applicant: Raytheon Company

    Inventor： BOTTS, Steven ,  KEAN, Bryan W. ,  PERALTA, Richard J. ,  VAMPOLA, John L. ,  HARRIS, Micky R.

    IPC: H04N25/768

    Abstract: A TDI scanner including a dynamically programmable focal plane array including a two-dimensional array of detectors arranged in a plurality of columns and a plurality of rows, the array being divided into a plurality of banks separated from one another by gap regions, each bank including a plurality of sub-banks, and each sub-bank including at least one row of detectors, a ROIC coupled to the focal plane array and configured to combine in a TDI process outputs from detectors in each column of detectors in each sub-bank, and a controller configured to program the focal plane array to selectively and dynamically set characteristics of the focal plane array, the characteristics including a size and a location within the two-dimensional array of each of the plurality of sub-banks and the gap regions, the size corresponding to a number of rows of detectors included in the respective sub-bank or gap region.

    PIXEL-BASED EVENT DETECTION FOR TRACKING, HOSTILE FIRE INDICATION, GLINT SUPPRESSION, AND OTHER APPLICATIONS
    10.
    发明公开
    PIXEL-BASED EVENT DETECTION FOR TRACKING, HOSTILE FIRE INDICATION, GLINT SUPPRESSION, AND OTHER APPLICATIONS 审中-公开

    公开(公告)号：EP3577892A1

    公开(公告)日：2019-12-11

    申请号：EP17792234.1

    申请日：2017-10-06

    Applicant: Raytheon Company

    Inventor： HARRIS, Micky R. ,  BEUVILLE, Eric J. ,  COSTA, Juliette S. ,  BOEMLER, Christian M. ,  MASSIE, Mark A.

    IPC: H04N5/14 ,  G01T1/17 ,  G01S17/02 ,  H04N5/3745

    Abstract: A method includes generating an intensity value based on illumination received at a pixel of an imaging system. The intensity value is generated by integrating values using a first counter of a detector during a first period of time. The method also includes integrating the values repeatedly during smaller second periods of time within the first period of time using a second counter of the detector. The second counter has a lower bit resolution than the first counter. The method further includes resetting the second counter for each of the second periods of time. In addition, the method includes generating a pixel event indicator in response to the second counter outputting a specified value. The method may also include determining whether one or more neighboring detectors also generated one or more pixel event indicators and generating an event indicator when the one or more neighboring detectors also generated the one or more pixel event indicators.

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