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    Window treatment control using bright override
    35.
    发明授权
    Window treatment control using bright override 有权

    公开(公告)号：US12163377B2

    公开(公告)日：2024-12-10

    申请号：US18458187

    申请日：2023-08-30

    Applicant: Lutron Technology Company LLC

    Inventor： Stephen Lundy ,  Brent Protzman ,  Brian M. Courtney

    IPC: E06B9/68

    Abstract: A system includes a window treatment adjacent to a window of a room. At least one motor drive unit is associated with the window treatment, for varying the position of the window treatment. A sensor measures a light level (e.g., an outdoor light level) at the window. A controller provides signals to the motor drive unit to automatically adjust the position of the window treatment so as to control a penetration distance of sunlight into the room when the window treatment is partially opened. The controller is configured to position the window treatment in a bright override position if the measured light level is at least a bright threshold value. The controller is configured to select the bright threshold value from among at least two predetermined values. The selection depends on an angle of incidence between light rays from the sun and a surface normal of the window.

    VISIBLE LIGHT SENSOR CONFIGURED FOR DETECTION OF GLARE CONDITIONS
    36.
    发明公开
    VISIBLE LIGHT SENSOR CONFIGURED FOR DETECTION OF GLARE CONDITIONS 审中-公开

    公开(公告)号：US20240046594A1

    公开(公告)日：2024-02-08

    申请号：US18488398

    申请日：2023-10-17

    Applicant: Lutron Technology Company LLC

    Inventor： Craig Alan Casey ,  Brent Protzman

    IPC: G06V10/10 ,  H05B47/11 ,  H05B47/19 ,  E06B9/42 ,  G06V10/60

    CPC classification number: G06V10/10 ,  H05B47/11 ,  H05B47/19 ,  E06B9/42 ,  G06V10/60

    Abstract: A device may be configured to detect a glare condition and may comprise a photo sensing circuit and a visible light sensing circuit. The photo sensing circuit may be configured to periodically generate an illuminance signal that indicates an illuminance value. The visible light sensing circuit may be configured to periodically record images of the space at an exposure time. The device may receive an illuminance signal from the photo sensing circuit and determine a present illuminance based on the illuminance signal. The device may adjust the frequency at which the visible light sensing circuit records images based on the present illuminance. The exposure time may be determined based on the present illuminance and a glare condition type. An image recorded at a respective exposure time may wash out pixels above a certain illuminance value. The device may detect a glare condition at the location of washed out pixels.

    System having independent control of circadian response and color temperature
    37.
    发明授权
    System having independent control of circadian response and color temperature 有权

    公开(公告)号：US11737183B2

    公开(公告)日：2023-08-22

    申请号：US17311650

    申请日：2019-12-06

    Applicant: Lutron Technology Company LLC

    Inventor： Craig A. Casey ,  Brent Protzman

    IPC: H05B45/20 ,  H05B45/10

    CPC classification number: H05B45/20

    Abstract: Methods and systems as described herein may be used for independently controlling the color temperature, intensity, and/or circadian response (CR) of one or more light sources (e.g., discrete-spectrum light sources) to adjust one or more color temperature, intensity, and circadian metrics in a space. For example, a light fixture may have four controllable light sources, a warm CR boost, cool CR boost, warm non-boost CR and a cool non-boost CR to independently control intensity, color temperature, and CR outputs.

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