LED driving device and lighting device including the same

    公开(公告)号:US11805580B2

    公开(公告)日:2023-10-31

    申请号:US17942689

    申请日:2022-09-12

    CPC classification number: H05B45/10 H05B45/325 H05B45/46

    Abstract: A light emitting diode (LED) driving device is provided. The LED driving device includes a rectifier configured to generate a rectified voltage, wherein the rectifier is directly connected to an input node of a light source including LEDs; a regulator configured to output a direct current (DC) power supply voltage using the rectified voltage; a microcontroller including a control terminal and a power terminal, wherein the microcontroller is configured to generate a dimming control signal based on a voltage input, receive the DC power supply voltage through the power terminal and output the dimming control signal through the control terminal; a driver configured to control an LED current to flow through the LEDs based on the dimming control signal; and a switch connected between a control node and a ground node, wherein an output terminal of the regulator and the control terminal are connected to the control node.

    HYBRID BEAMFORMING-BASED OPEN-LOOP MIMO TRANSMISSION METHOD AND APPARATUS THEREFOR

    公开(公告)号:US20170230089A1

    公开(公告)日:2017-08-10

    申请号:US15496999

    申请日:2017-04-25

    Abstract: A method for a transmitter of a mobile communication system transmitting and receiving signals according to an embodiment of the present specification comprises the steps of: transmitting to a receiver system information for transmitting a signal to the receiver including a connection between a wireless resource and a transmitting antenna; transmitting a reference signal to the receiver based on the system information; and receiving from the receiver feedback information generated based on the reference signal. According to an embodiment of the present specification, in a beamforming transmission method of a mobile communication system, a transmitter can determine whether to perform digital pre-coding without advance information from a receiver and can consequently perform a transmission, and can thereby perform lower-overhead and efficient signal transmission/reception.

    Electronic device and method for synthesizing image with sound suitably using the same
    30.
    发明授权

    公开(公告)号:US09451119B2

    公开(公告)日:2016-09-20

    申请号:US14487402

    申请日:2014-09-16

    Abstract: An apparatus and a method for photographing an image in an electronic device having a camera are disclosed. The electronic device may include an image sensor, an image signal processor configured to process an image obtained by the image sensor, an audio processing unit configured to process a sound received from a microphone, a storage unit configured to store data, and a control unit configured to implement the method. The method may include recording for a set period of time, a series of images and a series of sounds using the image sensor and the microphone when a sound photographing mode is active, selecting a particular sound from the series of sounds having a high correlation with a particular image from the series of images, and synthesizing the particular sound with the particular image and store in the storage unit the synthesized particular sound with the particular image.

    Abstract translation: 公开了一种用于在具有相机的电子设备中拍摄图像的装置和方法。 电子设备可以包括图像传感器,被配置为处理由图像传感器获得的图像的图像信号处理器,被配置为处理从麦克风接收的声音的音频处理单元,被配置为存储数据的存储单元和控制单元 配置为实现该方法。 该方法可以包括在声音拍摄模式有效时,使用图像传感器和麦克风记录设定的时间段,一系列图像和一系列声音,从具有高相关性的一系列声音中选择特定声音 来自该系列图像的特定图像,以及将特定声音与特定图像合成,并将合成的特定声音与该特定图像一起存储在存储单元中。

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