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公开(公告)号：US12163844B2
公开(公告)日：2024-12-10
申请号：US17523391
申请日：2021-11-10
Applicant: RAYTHEON COMPANY
Inventor： Jehyuk Rhee , Matthew C. Thomas , Henry Lee
Abstract: A LADOR circuit is in signal communication with a pixel array. The LADOR circuit is configured to generate an integrator reset voltage based on a resistance of the at least one heated bolometer pixel, and to detect laser energy incident on the at least one heated bolometer pixel based on a comparison between the integrator reset voltage and an input threshold voltage (Vthreshold).
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公开(公告)号：US20240288311A1
公开(公告)日：2024-08-29
申请号：US17523391
申请日：2021-11-10
Applicant: RAYTHEON COMPANY
Inventor： Jehyuk Rhee , Matthew C. Thomas , Henry Lee
CPC classification number: G01J5/24 , G01J5/048 , G01J2005/0077
Abstract: A LADOR circuit is in signal communication with a pixel array. The LADOR circuit is configured to generate an integrator reset voltage based on a resistance of the at least one heated bolometer pixel, and to detect laser energy incident on the at least one heated bolometer pixel based on a comparison between the integrator reset voltage and an input threshold voltage (Vthreshold).
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公开(公告)号：US10983008B2
公开(公告)日：2021-04-20
申请号：US16438847
申请日：2019-06-12
Applicant: RAYTHEON COMPANY
Inventor： Jeffrey Mitchell , Ryan P. Boesch , Matthew C. Thomas
Abstract: A bolometer pixel trigger including a substrate, a bolometer formed on the substrate, and a thermal-sensitive film trigger. The thermal-sensitive film trigger includes a resistive varying thermal-sensitive material configured to change resistance in response to a change in temperature thereof. The thermal-sensitive film trigger is configured such that current flow therethrough varies in response to changes in the resistance of the resistive varying thermal-sensitive material.
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公开(公告)号：US12130185B2
公开(公告)日：2024-10-29
申请号：US17406432
申请日：2021-08-19
Applicant: RAYTHEON COMPANY
Inventor： Jehyuk Rhee , Henry Lee , Matthew C. Thomas
CPC classification number: G01J5/24 , G01J2005/0077 , G01J2005/202
Abstract: A trigger sense circuit includes a pseudo-differential comparator circuit in signal communication with a pixel array. The pseudo-differential comparator circuit includes a first input in signal communication with a reference pixel group included in the pixel array to receive a pixel reference voltage, and a second input in signal communication with a target pixel group included in the pixel array to receive a pixel target voltage. The pseudo-differential comparator circuit is configured to selectively operate in a calibration mode to remove false trigger events and a comparison mode to detect at least one overheated pixel included in the target pixel group.
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公开(公告)号：US20230056910A1
公开(公告)日：2023-02-23
申请号：US17406432
申请日：2021-08-19
Applicant: RAYTHEON COMPANY
Inventor： Jehyuk Rhee , Henry Lee , Matthew C. Thomas
IPC: G01J5/24
Abstract: A trigger sense circuit includes a pseudo-differential comparator circuit in signal communication with a pixel array. The pseudo-differential comparator circuit includes a first input in signal communication with a reference pixel group included in the pixel array to receive a pixel reference voltage, and a second input in signal communication with a target pixel group included in the pixel array to receive a pixel target voltage. The pseudo-differential comparator circuit is configured to selectively operate in a calibration mode to remove false trigger events and a comparison mode to detect at least one overheated pixel included in the target pixel group.
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6.发明申请
公开(公告)号：US20220239383A1
公开(公告)日：2022-07-28
申请号：US17157377
申请日：2021-01-25
Applicant: Raytheon Company
Inventor： Matthew C. Thomas , John J. Drab , Theodore Mark Kellum
Abstract: A communication system includes an antenna assembly. The antenna assembly includes an optical communication layer including a plurality of electro-optical (EO) antennas for communicating via an EO signal and a radio-frequency communication layer including a plurality of radio frequency (RF) antennas for communicating via an RF signal. A processor operates the antenna assembly to communicate via one or both of the EO signal and the RF signal.
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7.发明授权
公开(公告)号：US11387916B1
公开(公告)日：2022-07-12
申请号：US17157377
申请日：2021-01-25
Applicant: Raytheon Company
Inventor： Matthew C. Thomas , John J. Drab , Theodore Mark Kellum
Abstract: A communication system includes an antenna assembly. The antenna assembly includes an optical communication layer including a plurality of electro-optical (EO) antennas for communicating via an EO signal and a radio-frequency communication layer including a plurality of radio frequency (RF) antennas for communicating via an RF signal. A processor operates the antenna assembly to communicate via one or both of the EO signal and the RF signal.
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公开(公告)号：US10834340B1
公开(公告)日：2020-11-10
申请号：US16438858
申请日：2019-06-12
Applicant: RAYTHEON COMPANY
Inventor： Ryan Boesch , Matthew C. Thomas , Jeffrey Mitchell
Abstract: A thermal imaging system includes a pixel array having a plurality of pixel groups. Each pixel group including a plurality of pixel rows and a trigger sense circuit including a pixel group input line in signal communication with the plurality of bolometer pixels pixel row containing a plurality of bolometer pixels. The pixel group further includes a selector switch that selectively establishes an electrical connection between the pixel group and the trigger sense circuit. The selector switch operates in a first state to disconnect the pixel group from the pixel group input line while connecting the pixel group to the integration unit such that the integration unit generates the image, and a second state to disconnect the pixel group from the integration unit while connecting the pixel group to the pixel group input line such that the trigger sense circuit monitors the pixel group for a high temperature bolometer.
