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    Coded light for target imaging or spectroscopic or other analysis
    141.
    发明授权
    Coded light for target imaging or spectroscopic or other analysis 有权

    公开(公告)号：US11704886B2

    公开(公告)日：2023-07-18

    申请号：US18045695

    申请日：2022-10-11

    Applicant: Shrenik Deliwala

    Inventor： Shrenik Deliwala

    IPC: G01J3/28 ,  G01J3/433 ,  G01N21/25 ,  A61B5/00 ,  G01N21/3504 ,  G01N21/95 ,  A61B5/1455

    CPC classification number: G01J3/433 ,  G01J3/2823 ,  G01N21/255 ,  A61B5/14551 ,  A61B5/742 ,  G01J2003/4334 ,  G01N21/3504 ,  G01N21/9501

    Abstract: Modulation-encoded light, using different spectral bin coded light components, can illuminate a stationary or moving (relative) target object or scene. Response signal processing can use information about the respective different time-varying modulation functions, to decode to recover information about a respective response parameter affected by the target object or scene. Electrical or optical modulation encoding can be used. LED-based spectroscopic analysis of a composition of a target (e.g., SpO2, glucose, etc.) can be performed; such can optionally include decoding of encoded optical modulation functions. Baffles or apertures or optics can be used, such as to constrain light provided by particular LEDs. Coded light illumination can be used with a focal plane array light imager receiving response light for inspecting a moving semiconductor or other target. Encoding can use orthogonal functions, such as an RGB illumination sequence, or a sequence of combinations of spectrally contiguous or non-contiguous colors.

    Spectral imaging apparatus
    146.
    发明授权
    Spectral imaging apparatus 有权

    公开(公告)号：US11686620B2

    公开(公告)日：2023-06-27

    申请号：US17501496

    申请日：2021-10-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyochul Kim ,  Younggeun Roh ,  Yeonsang Park ,  Suyeon Lee

    IPC: G01J3/28 ,  G02B5/20

    CPC classification number: G01J3/2823 ,  G02B5/201

    Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.

    MULTICHANNEL COLOR SENSOR
    148.
    发明公开
    MULTICHANNEL COLOR SENSOR 审中-公开

    公开(公告)号：US20230184589A1

    公开(公告)日：2023-06-15

    申请号：US17912158

    申请日：2021-03-18

    Applicant: ams Sensors Germany GmbH

    Inventor： Gunter SIESS ,  Julius KOMMA

    IPC: G01J3/28 ,  G01J3/36 ,  G01J3/51 ,  G01J3/52

    CPC classification number: G01J3/2823 ,  G01J3/36 ,  G01J3/51 ,  G01J3/524 ,  G01J2003/1213

    Abstract: An integrated radiation sensor for color matching functions comprises a plurality of color matching channels, each color matching channel comprising a radiation sensing element and an associated optical filter defining a spectral sensitivity profile corresponding to a color matching function. The sensors comprise a plurality of compensation channels, each compensation channel comprising a radiation sensing element and an associated optical filter defining a spectral sensitivity profile for use in compensating a color sensed by the color matching channels. The spectral sensitivity profile of each compensation channel substantially corresponds to a mean of an upper deviation spectra and a lower deviation spectra, wherein the upper deviation spectra corresponds to a spectral sensitivity profile of a typical color matching channel increased by a fixed deviation in wavelength and the lower deviation spectra corresponds to the spectral sensitivity profile of the typical color matching channel decreased by the fixed deviation in wavelength.

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