Optical communication drive circuit and method, optical communication transmitter and system, and vehicle

    公开(公告)号:US11474556B2

    公开(公告)日:2022-10-18

    申请号:US16769297

    申请日:2019-03-29

    IPC分类号: H04B10/516 G06F1/10 G06F1/08

    摘要: The present disclosure provides an optical communication drive circuit and method, an optical communication transmitter, an optical communication system, and a vehicle. The optical communication drive circuit includes a clock circuit and a modulation circuit. The clock circuit is configured to output a clock signal with an initial frequency signal as an input under control of information to be transmitted. The clock signal includes alternating first and second frequency signals, the first frequency signal and the second frequency signal having different frequencies and being generated based on the initial frequency signal; and the modulation circuit is configured to modulate an optical signal by the clock signal to obtain a modulated optical signal.

    Display substrate and display device

    公开(公告)号:US11362167B2

    公开(公告)日:2022-06-14

    申请号:US16913319

    申请日:2020-06-26

    摘要: The present disclosure provides a display substrate, including a substrate, a first power line on the substrate, a second power line, and a plurality of pixel groups, each of which includes a plurality of pixels arranged in a first direction, the plurality of pixel groups are arranged in a second direction parallel to an extending direction of the first power line, the second direction is different from and intersects with the first direction, each of the plurality of pixels includes a light emitting unit having a first electrode and a second electrode, the first electrode of the light emitting unit is coupled to the first power line through an additional resistor with an additional resistance, and the second electrode of the light emitting unit is coupled to the second power line through an equivalent resistor with an equivalent resistance.

    A DIGITAL CLOCK CIRCUIT FOR GENERATING HIGH-RATIO FREQUENCY MULTIPLICATION CLOCK SIGNAL

    公开(公告)号:US20210119618A1

    公开(公告)日:2021-04-22

    申请号:US16975267

    申请日:2019-10-21

    摘要: A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.

    Array substrate, display panel and display device

    公开(公告)号:US10964726B2

    公开(公告)日:2021-03-30

    申请号:US16564320

    申请日:2019-09-09

    摘要: An array substrate, a display panel and a display device are provided. The array substrate includes a base substrate including a display region and a peripheral region, the peripheral region including a gate driving circuit region, a driving bonding region and a first communication region; a first common electrode line, located in the first communication region; a second common electrode line, located on a side of the gate driving circuit region away from the display region; and a third common electrode line, located in the gate driving circuit region. The second common electrode line is electrically connected to the first common electrode line, the third common electrode line includes a first end close to the driving bonding region and a second end close to the first communication region, the second end of the third common electrode line is insulated from the first common electrode line.

    User identification method and user identification apparatus

    公开(公告)号:US10451710B1

    公开(公告)日:2019-10-22

    申请号:US16172102

    申请日:2018-10-26

    摘要: The present disclosure relates to a user identification method applicable to a vehicle, the vehicle including at least two microphone arrays, the respective microphone arrays being disposed at different positions of the vehicle, respectively. The user identification method includes: receiving a voice of a user within the vehicle through the at least two microphone arrays; determining directions from the user to the microphone arrays, respectively, according to the voice; calculating an angle between any two of the directions; and identifying a type of the user based at least on the angle.

    VOICE CONTROL METHOD, VOICE CONTROL DEVICE AND COMPUTER READABLE STORAGE MEDIUM

    公开(公告)号:US20190304466A1

    公开(公告)日:2019-10-03

    申请号:US16178501

    申请日:2018-11-01

    IPC分类号: G10L17/00 G10L17/06 G10L25/63

    摘要: A voice control method, a voice control device, a computer readable storage medium, and a computer device are disclosed. The voice control method comprises: receiving, in an instruction receiving state, a voice instruction of a user for a specific operation; performing voice processing on the voice instruction to obtain voice information; transmitting, to the user, a request to confirm the voice information; receiving, from the user, a response to the request; and performing the specific operation if the response confirms that the voice information is correct.