READ/WRITE CONTROL METHOD AND DEVICE FOR DDR DYNAMIC RANDOM ACCESS MEMORY, AND SYSTEM

    公开(公告)号:US20230251982A1

    公开(公告)日:2023-08-10

    申请号:US18136183

    申请日:2023-04-18

    Inventor: Xitong MA

    CPC classification number: G06F13/1689 G06F13/24

    Abstract: The disclosure provides a read/write control method and device for a DDR (Double Data Rate) dynamic random access memory, and a system. The device includes a read control signal generating unit and a read memory controller, and the read control signal generating unit is in signal connection with the read memory controller; the read control signal generating unit is configured for determining a minimum frame period from a plurality of received signal sources, generating a read control signal based on a delay time, and providing the read control signal to the read memory controller; and the read memory controller is configured for controlling the reading of video frames from the DDR dynamic random access memory according to the read control signal.

    VIDEO PROCESSING DEVICE, VIDEO PROCESSING METHOD, MONITOR APPARATUS, COMPUTER DEVICE, AND MEDIUM

    公开(公告)号:US20220377390A1

    公开(公告)日:2022-11-24

    申请号:US17773466

    申请日:2021-07-12

    Abstract: Disclosed are a video processing device, a video processing method, a monitor apparatus, a computer device, and a computer-readable medium. The video processing device includes: a receiver, a normalization processor, a selector and an image processor. The receiver is configured to receive an original video image. The normalization processor includes a plurality of normalization sub-circuits each configured to perform format adjustment on the original video image to generate a video image in a target format. Different normalization sub-circuits perform the format adjustment in different manners. The selector is configured to output the video image generated by at least one of the normalization sub-circuits to the image processor according to a received selection instruction; and the image processor is configured to generate an image to be displayed from the received video image.

    READ/WRITE CONTROL METHOD AND DEVICE FOR DDR DYNAMIC RANDOM ACCESS MEMORY, AND SYSTEM

    公开(公告)号:US20220093163A1

    公开(公告)日:2022-03-24

    申请号:US17407092

    申请日:2021-08-19

    Inventor: Xitong MA

    Abstract: The disclosure provides a read/write control method and device for a DDR (Double Data Rate) dynamic random access memory, and a system. The device comprises a read control signal generating unit and a read memory controller, and the read control signal generating unit is in signal connection with the read memory controller; the read control signal generating unit is configured for determining a minimum frame period from multiple received signal sources, generating a read control signal based on the minimum frame period, and providing the read control signal to the read memory controller; and the read memory controller is configured for controlling the reading of video frames from the DDR dynamic random access memory according to the read control signal.

    TOUCH DETECTION METHOD AND APPARATUS, TOUCH DEVICE, COMPUTER DEVICE AND READABLE MEDIUM

    公开(公告)号:US20200241745A1

    公开(公告)日:2020-07-30

    申请号:US16523522

    申请日:2019-07-26

    Abstract: The present disclosure provides a touch detection method for a touch splicing screen, including: obtaining the following parameters: sizes of each of the display units in a row direction and in a column direction, a width of each of the first splicing intervals, a width of each of the second splicing intervals, and physical position information of a touch point; determining whether the touch point is within an area of the splicing intervals according to the parameters; and calculating, when the touch point is beyond the area of the splicing intervals, a position of a pixel unit corresponding to the touch point according to a resolution of the touch splicing screen, a row number and a column number in an arrangement of the display units, and the parameters.

    IMAGE PROCESSING METHOD, APPARATUS AND DEVICE, AND IMAGE DISPLAY METHOD

    公开(公告)号:US20200160525A1

    公开(公告)日:2020-05-21

    申请号:US16618747

    申请日:2019-04-15

    Inventor: Qi ZENG Xitong MA

    Abstract: The present disclosure provides an image processing method, apparatus and device, and an image display method. The image processing method includes: acquiring multiple images continuously photographed by a photographing device; performing eye contour extraction on each of the images, thereby acquiring eye contour image data; comparing multiple groups of eye contour image data of an identical eye contour, thereby acquiring optimal eye contour image data of each eye contour; and fusing multiple pieces of acquired optimal eye contour image data with a main image of the images, thereby obtaining a target image.

    CAMERA MODULE, ELECTRONIC DEVICE AND PHOTOGRAPHING METHOD

    公开(公告)号:US20200084348A1

    公开(公告)日:2020-03-12

    申请号:US15743338

    申请日:2017-07-18

    Abstract: A camera module, an electronic device and a photographing method are disclosed, which relates to the field of camera devices, in order to mitigate or alleviate the problem of an excessively small view angle for the existing camera module. The camera module includes a fixing member, a photographing unit connected with the fixing member via a connection shaft, a driving component including a first magnetic member and a first conductive member. Either of the first magnetic member and the first conductive member is fixed to the photographing unit, the other is fixed to the fixing member. The first conductive member is arranged to be located in a magnetic field of the first magnetic member so as to generate, when the first conductive member is energized, a driving force capable of driving the photographing unit to rotate around the connection shaft in the magnetic field of the first magnetic member.

    DEVICE AND METHOD FOR TRANSMITTING VIDEO SIGNALS, AND SYSTEM FOR PLAYING VIDEO SIGNALS

    公开(公告)号:US20190028672A1

    公开(公告)日:2019-01-24

    申请号:US15991196

    申请日:2018-05-29

    Abstract: The present disclosure relates to a device for transmitting video signals, including: two or more signal channels respectively connected to the signal sources; two or more trigger switch units respectively disposed corresponding to the signal channels; a switch control unit configured to determine a target signal channel according to a channel selection signal, and turn on the trigger switch unit corresponding to the target signal channel and turn off the other trigger switch units; and a signal source control unit disposed at each of the signal sources, and configured to control the operation and standby of the signal source according to the turning on and turning off of the trigger switch unit of the signal channel connected to the signal source.

Patent Agency Ranking