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    VISUALIZATION FOR FLUORESCENT GUIDED IMAGING
    1.
    发明申请
    VISUALIZATION FOR FLUORESCENT GUIDED IMAGING 有权

    公开(公告)号：US20220079447A1

    公开(公告)日：2022-03-17

    申请号：US17471991

    申请日：2021-09-10

    Applicant: Sensors Unlimited, Inc.

    Inventor： Douglas Stewart Malchow ,  John Liobe ,  Thuc-Uyen Nguyen ,  Brendan Mc Granaghan Murphy

    IPC: A61B5/00 ,  G06T7/73

    Abstract: A method of medical imaging is provided. The method includes receiving pulsed light emissions from fluoroscopic material in a target field of a patient, wherein the target field was treated with fluoroscopic material that emitted the pulsed light emissions in response to a pulsed laser signal. The pulsed laser signal has a wavelength that was selected to excite the fluoroscopic material. The method further includes capturing a passive image of the target field and asynchronously detecting pulses of the pulsed light emissions. The method further includes determining pulse-source coordinates in the image, wherein the pulse-source coordinates correspond to a location of the fluoroscopic material that emitted the pulsed light emissions.

    PIXEL ARRAY WITH INTERNAL COARSE DIGITIZATION
    3.
    发明申请
    PIXEL ARRAY WITH INTERNAL COARSE DIGITIZATION 审中-公开

    公开(公告)号：US20190253656A1

    公开(公告)日：2019-08-15

    申请号：US15895632

    申请日：2018-02-13

    Applicant: Sensors Unlimited, Inc.

    Inventor： John Liobe ,  Joshua Lund

    IPC: H04N5/3745 ,  H03M1/12

    Abstract: A pixel of a pixel array is provided. The pixel includes a low frequency path configured to receive an input signal from a corresponding photodetector. The low frequency path includes a passive imaging circuit provided along the low frequency path, the passive imaging circuit configured to output an analog imaging signal and a flash analog to digital converter (ADC) that receives the analog imaging signal and processes the analog imaging signal to output a coarse digitized signal.

    IMAGING SYSTEMS AND METHODS
    4.
    发明申请
    IMAGING SYSTEMS AND METHODS 审中-公开

    公开(公告)号：US20190242750A1

    公开(公告)日：2019-08-08

    申请号：US15890263

    申请日：2018-02-06

    Applicant: Sensors Unlimited, Inc.

    Inventor： Joshua Lund ,  John Liobe

    IPC: G01J3/28 ,  G01J3/02

    Abstract: An imaging method includes assigning pixels within the extent of a focal plane array active area to a first readout range and a second readout range. Image data is read out from the pixels assigned to the first readout range and the second readout range. Pixels located within the extend of the focal plane array active area and not assigned to the first readout range or the second readout range are left unread. Imaging systems and hyperspectral imaging arrangements are also described.

    Event-triggered imaging pixels
    5.
    发明授权
    Event-triggered imaging pixels 有权

    公开(公告)号：US10154207B2

    公开(公告)日：2018-12-11

    申请号：US15426521

    申请日：2017-02-07

    Applicant: Sensors Unlimited, Inc.

    Inventor： Joshua Lund ,  John Liobe

    IPC: H04N5/00 ,  H04N5/33 ,  H01L27/146 ,  H04N5/225 ,  H04N13/214

    Abstract: An imaging pixel includes a photodetector for generating a charge signal, an input buffer, a control device, and a switch. The input buffer is connected to the photodetector for amplifying the charge signal. The control device is connected to the photodetector and the input buffer to separate high-frequency charge signals from low frequency charge signals. The switch is operably connected to the input buffer for sampling of high-frequency charge signals in a charge storage device triggered by amplitude of high-frequency charge signals provided by the input buffer.

    In-pixel digital gain and offset corrections
    7.
    发明授权
    In-pixel digital gain and offset corrections 有权

    公开(公告)号：US10044958B1

    公开(公告)日：2018-08-07

    申请号：US15427765

    申请日：2017-02-08

    Applicant: Sensors Unlimited, Inc.

    Inventor： John Liobe ,  Andrew Eckhardt ,  Joshua Lund

    IPC: H04N5/365 ,  H04N5/378 ,  H04N5/374

    Abstract: A method includes correcting for at least one of gain and offset during frame integration for photodetector events. Gain and offset correction is performed separately in each pixel of a digital read-out integrated circuit (DROIC) for a plurality of corresponding pixels in a photodetector array. First and second binary counters respectively use a gain register and an offset register to implement gain and offset correction.

    DETECTION PIXELS AND PIXEL SYSTEMS
    9.
    发明申请
    DETECTION PIXELS AND PIXEL SYSTEMS 有权

    公开(公告)号：US20210255288A1

    公开(公告)日：2021-08-19

    申请号：US16790520

    申请日：2020-02-13

    Applicant: Sensors Unlimited, Inc.

    Inventor： John Liobe ,  Rui Zhu

    IPC: G01S7/487 ,  G01S17/89 ,  G01S17/10 ,  G01S7/4861 ,  G01S7/4865

    Abstract: A pixel system for an imaging device can include one or more pixels comprising a pulse trigger assembly configured to detect a pulse at one or more threshold voltages, a timer system forming part of and/or connected to the one or more pixels, the timer system comprising one or more trigger switches. The pulse trigger assembly can be configured to activate the one or more trigger switches in response to detecting the pulse at the one or more threshold values. The pixel system can include a time-of-flight (TOF) module operatively connected to the one or more pixels and/or the timer system to determine a TOF based on an output from the timer system while simultaneously performing either or both passive imaging and asynchronous laser pulse detection.

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