Road lighting
    11.
    发明授权

    公开(公告)号:US11798406B2

    公开(公告)日:2023-10-24

    申请号:US18084373

    申请日:2022-12-19

    Applicant: Lumileds LLC

    Abstract: Systems, devices, and methods are disclosed in which one or more light sources, a detector, a processor and a controller are configured such that light from the one or more light sources improves the ability of a human or automated motor vehicle driver to identify and avoid pedestrians. The one or more light sources may provide spot illumination to moving objects or pedestrians on a road surface, with the spot illumination following the moving object or pedestrians along the portion of the road surface. The one or more light sources may project images on the ground or on other surfaces. The light source may be carried by a pedestrian or on personal transport used by a pedestrian. The light sources may be stationary and provide lighting for a pedestrian street crossing.

    Optical Resolution Reduction Elements
    14.
    发明公开

    公开(公告)号:US20230269851A1

    公开(公告)日:2023-08-24

    申请号:US18005266

    申请日:2020-07-14

    CPC classification number: H05B47/125 H05B47/11

    Abstract: A controller based apparatus mounted on the ceiling of a room to control the lighting level of a space includes an image sensor/detector for capturing spatial data, ambient light data, and images and an optical element which allows sufficient light to pass through such that the image sensor can collect sufficient data to provide the controller in order to extract motion events, occupancy data, and/or ambient light readings while maintaining the privacy of individuals by reducing the optical resolution of the image sensor such that fine features, such as facial features or other identifiable features of people or objects, cannot be recorded or stored.

    Controller for controlling light sources and a method thereof

    公开(公告)号:US11716798B2

    公开(公告)日:2023-08-01

    申请号:US17430802

    申请日:2020-02-10

    CPC classification number: H05B45/22 H05B45/20 H05B47/105 H05B47/125

    Abstract: A controller and a method for controlling at least two light sources is disclosed. The method 700 comprises: obtaining 702 an image captured with a camera, wherein the image comprises at the least two light sources and at least two objects, analyzing 704 the image to detect the at least two light sources and the at least two objects in the image, identifying 706 the at least two light sources, determining 708 positions of the at least two objects relative to the at least two light sources in the image, obtaining 710 color information related to colors of the at least two objects, determining 712 a first color for a first light source of the at least two light sources and a second color for a second light source of the at least two light sources based on the color information and based on the determined relative positions and controlling 714 the first light source according to the first color and the second light source according to the second color, wherein the image comprises a third light source, and the method further comprises determining a third color for the third light source based on the first color and/or the second color, and controlling the third light source according to the third color.

    Control a dimming level of an illumination load by a dimmer device

    公开(公告)号:US11690149B2

    公开(公告)日:2023-06-27

    申请号:US17848796

    申请日:2022-06-24

    Applicant: Roku, Inc.

    Abstract: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for a dimmer device including a driver, and a controller communicatively coupled to the driver and to a monitor device. The monitor device can include a camera and is configured to take a plurality of images of the illumination load. The controller provides a control signal that indicates to the driver to adjust power supplied to an illumination load. The control signal is provided in response to a determination that a performance of the illumination load fails to satisfy a predetermined performance indicator. The performance of the illumination load is determined based on information related to the plurality of images of the illumination load taken by the camera of the monitor device. The controller can adjust a dimming level of the illumination load by providing the control signal to the driver.

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