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    Solid-state spectrometer
    1.
    发明授权
    Solid-state spectrometer 有权

    公开(公告)号：US12092571B2

    公开(公告)日：2024-09-17

    申请号：US18316559

    申请日：2023-05-12

    Applicant: Masimo Corporation

    Inventor： Björn Le Normand ,  Åke Forslund ,  Björn Danwihl

    IPC: G01N21/3504 ,  G01J3/02 ,  G01N33/00

    CPC classification number: G01N21/3504 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/0264 ,  G01N33/004

    Abstract: A solid-state gas spectrometer for detection of molecules of target gases. An emitter generates light having wavelengths both within and outside of one or more absorption bands of a target molecule. The light provided by the emitter passes through an airway adapter. A reflective beam splitter splits the light transmitted through the airway adapter, into two convergent beams each focused on a light detector. One of the light detectors, which is covered by a filter that rejects light having wavelengths within one or more absorption bands of the target molecule, serves as the sensing detector. The other light detector, which may or may not be covered by a filter, serves as the reference detector. The concentration of a target gas molecule in the gas sample is estimated based on a differential signal that is generated using the signals received from the reference and sensing detectors.

    Hyperspectral sensing system and processing methods for hyperspectral data
    2.
    发明授权
    Hyperspectral sensing system and processing methods for hyperspectral data 有权

    公开(公告)号：US12072242B2

    公开(公告)日：2024-08-27

    申请号：US17230431

    申请日：2021-04-14

    Applicant: Flying Gybe Inc.

    Inventor： Nicholas Tufillaro ,  Ivan Lalovic ,  Omar Zurita

    IPC: G01J3/28 ,  G01J3/02 ,  G01J3/40

    CPC classification number: G01J3/2823 ,  G01J3/0264 ,  G01J3/28 ,  G01J3/40 ,  G01J2003/2826 ,  G01J2003/2866

    Abstract: A hyperspectral sensing device may include an optical collector configured to collect light and to transfer the collected light to a sensor having spectral resolution sufficient for sensing hyperspectral data. In some examples, the sensor comprises a compact spectrometer. The device further comprises a power supply, an electronics module, and an input/output hub enabling the device to transmit acquired data (e.g., to a remote server). In some examples, a plurality of hyperspectral sensing devices are deployed as a network to acquire data over a relatively large area. Methods are disclosed for performing dark-current calibration and/or radiometric calibration on data obtained by the hyperspectral sensing device, and/or another suitable device. Data obtained by the device may be represented in a functional basis space, enabling computations that utilize all of the hyperspectral data without loss of information.

    SPECTROMETER
    8.
    发明公开
    SPECTROMETER 审中-公开

    公开(公告)号：US20230146740A1

    公开(公告)日：2023-05-11

    申请号：US17980641

    申请日：2022-11-04

    Applicant: JASCO CORPORATION

    Inventor： Kenichi AKAO ,  Yuji HIGUCHI ,  Tsubasa ASATSUMA

    IPC: G01J3/02 ,  G01J3/453

    CPC classification number: G01J3/0264 ,  G01J3/021 ,  G01J3/4535 ,  G01J3/027

    Abstract: A spectrometer capable of providing information, to a measurer, necessary for determining whether a sample set to the spectrometer is a sample expected by the measurer or not before a main measurement includes a data processor and a display. The data processor calculates a preliminary spectral information of the sample based on at least n of a latest detected signal and a BKG information retained in advance, calculates and updates the preliminary spectral information based on at least n of the latest detected signal and the BKG information again, and repeats these calculations and updates. The display shows the preliminary spectral information that is calculated and updated in the preview display. The data processor starts integration of N (N>n) of the detected signal during a preview display of the preliminary spectral information, and acquires a spectral information of the sample.

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