LIGHT DETECTION AND RANGING DEVICE AND METHOD OF DRIVING THE SAME

    公开(公告)号:US20200174104A1

    公开(公告)日:2020-06-04

    申请号:US16535902

    申请日:2019-08-08

    Abstract: Provided in a light detection and ranging (LiDAR) device including a scanning optical system including a plurality of light sources and a beam steering device, the scanning optical system being configured to scan an object with a plurality of irradiation beams projected from the plurality of light sources toward the object at a plurality of irradiation angles, respectively, a light detector including a plurality of pixel regions that are configured to separately detect the plurality of irradiation beams projected toward the object at the plurality of irradiation angles and reflected from the object, and a processor configured to control the scanning optical system and the light detector, and obtain information about the object based on the plurality of irradiation beams detected by the light detector.

    Display apparatus
    12.
    发明授权

    公开(公告)号:US10558079B2

    公开(公告)日:2020-02-11

    申请号:US15580769

    申请日:2016-03-16

    Abstract: An aspect of the present disclosure is to provide a display apparatus capable of performing an information display function and a mirror function. Another aspect of the present disclosure is to provide a display apparatus of displaying a predetermined object in a turned-off state. Another aspect of the present disclosure is to provide a display apparatus including partition walls disposed in space between electrodes of a cholesteric Liquid Crystal Display (LCD) device. Another aspect of the present disclosure is to provide a transparent display apparatus with improved visibility using cholesteric liquid crystals. Disclosed is a display apparatus includes a reflective layer; and a liquid crystal layer disposed in front of the reflective layer, and configured to be converted between a transmissive mode for transmitting outside light, a display mode for reflecting outside light to display an object, and a transflective mode for transmitting outside light and reflecting outside light at a predetermined area.

    APPARATUS AND METHOD TO CONTROL TEMPERATURE OF HEATING ROLLER USED IN FUSING DEVICE OF IMAGE FORMING APPARATUS
    13.
    发明申请
    APPARATUS AND METHOD TO CONTROL TEMPERATURE OF HEATING ROLLER USED IN FUSING DEVICE OF IMAGE FORMING APPARATUS 有权
    用于控制图像形成装置的装置中使用的加热辊的温度的装置和方法

    公开(公告)号:US20140064764A1

    公开(公告)日:2014-03-06

    申请号:US14073329

    申请日:2013-11-06

    CPC classification number: G03G15/2039 G03G15/2042

    Abstract: The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing through the first induction coil; two second induction coils that are disposed at upper portions of both ends of the first induction coil and heat the heating roller by using induced current generated according to current flowing through the two second induction coils; a power supply unit that supplies current to the first induction coil and the two second induction coils; and a control unit that controls the power supply unit to supply current flowing in the same direction or different directions to the first induction coil and the second induction coils according to the size of paper fed into the heating roller.

    Abstract translation: 该装置包括加热辊,该加热辊产生用于熔化附着在打印介质上的调色剂的热量; 第一感应线圈,其设置在所述加热辊的外侧,并使用根据流过所述第一感应线圈的电流产生的感应电流加热所述加热辊; 两个第二感应线圈,其设置在第一感应线圈的两端的上部,并且通过使用根据流经两个第二感应线圈的电流产生的感应电流加热加热辊; 电源单元,其向所述第一感应线圈和所述两个第二感应线圈提供电流; 以及控制单元,其控制所述电源单元根据供给到所述加热辊中的纸张的尺寸,向与所述第一感应线圈和所述第二感应线圈相同的方向或不同方向供给电流。

    Lidar device and method of measuring distance using the same

    公开(公告)号:US10802119B2

    公开(公告)日:2020-10-13

    申请号:US15386565

    申请日:2016-12-21

    Abstract: A lidar device includes a light source configured to emit a laser pulse to an object, a light receiver configured to receive the laser pulse reflected by the object, a first periodic wave generator configured to generate a first periodic wave when the light source emits the laser pulse and generate a second periodic wave when the light source receives the laser pulse, and a first comparator configured to compare a phase of the first periodic wave and a phase of the second periodic wave to each other. The lidar device calculates a distance between the lidar device and the object based on a phase difference determined by the first comparator.

    Light detection device, lidar device including the same, and method of measuring distance

    公开(公告)号:US12248066B2

    公开(公告)日:2025-03-11

    申请号:US17236619

    申请日:2021-04-21

    Abstract: A light detection device may include: a light receiver comprising a plurality of light detectors configured to receive light emitted from a light emitter toward an object and reflected by the object; and a signal processor configured to process an electrical signal according to the light received by the light receiver. The light receiver includes at least one light receiving area, wherein each of the at least one light receiving area includes a plurality of sub-light receiving areas, and the plurality of light detectors are disposed in the plurality of sub-light receiving areas, respectively. The signal processor includes a plurality of transimpedance amplifiers that have a one-on-one correspondence with the plurality of light detectors, and at least one signal summer that has the one-on-one correspondence with the at least one light receiving area.

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