-
31.发明公开公开(公告)号：US20230186866A1
公开(公告)日：2023-06-15
申请号：US17921151
申请日：2021-04-12
Inventor： Lianghui SHI , Yuanzhuo LIU
CPC classification number: G09G3/344 , G09G3/2003 , G09G2310/062
Abstract: A control method for an electronic ink screen includes: when colors of an image to be displayed include only a black color and a white color, outputting a first black driving signal, and outputting a first white driving signal; and when the colors of the image to be displayed include the black color, the white color and a chromatic color, outputting a second black driving signal, outputting a second white driving signal, and outputting a chromatic driving signal. A duration of the first black driving signal is equal to a duration of the first white driving signal. A duration of the second black driving signal, a duration of the second white driving signal and the duration of the chromatic driving signal are equal. The duration of the second white driving signal is greater than the duration of the first white drive signal.
-
Patent Agency Ranking
32.发明授权公开(公告)号：US11495184B2
公开(公告)日：2022-11-08
申请号：US17427610
申请日：2020-09-29
Inventor： Lichun Chen , Lianghui Shi , Heng Zheng
IPC: G09G3/34 , G09G3/20 , G02F1/167 , G02F1/1675
Abstract: A control method of an electronic ink screen includes: outputting a first color driving signal to pixel(s) expected to display a first color in the electronic ink screen. The first color driving signal includes a first dither signal and a first color first pull-up signal in adjacent periods. The first dither signal includes a first rectangular wave signal, a first electric field cancellation signal and a first constant voltage signal. The first constant voltage signal is configured to drive first color charged particles in the pixel(s) expected to display the first color to move toward a side proximate to a display surface of the electronic ink screen, and the first color first pull-up signal is configured to drive the first color charged particles in the pixel(s) expected to display the first color to move toward the side proximate to the display surface of the electronic ink screen.
-
公开(公告)号：US11348544B1
公开(公告)日：2022-05-31
申请号：US17342570
申请日：2021-06-09
Inventor： Shengbo Zhang , Qiangeng Cheng , Lichun Chen , Yong Peng
Abstract: Provided is a method for driving an electronic paper display apparatus, including: applying a first driving signal to a first electrode of a microcapsule to be displayed in white, and applying a second driving signal to a first electrode of a microcapsule to be displayed in black according to a black-and-white particle image to be displayed. The first driving signal includes a first sub-driving signal applied in a display stage, wherein the first sub-driving signal is configured to drive the white particles in the microcapsule to be displayed in white to be closer to a display side relative to the black particles. The second driving signal includes a second sub-driving signal applied in the display stage, wherein the second sub-driving signal is configured to drive the black particles in the microcapsule to be displayed in black to be closer to the display side relative to the white particles.
-
公开(公告)号：US20210390885A1
公开(公告)日：2021-12-16
申请号：US17269540
申请日：2020-07-27
Inventor： Yunyan XIE , Bo LIU , Lichun CHEN
Abstract: An electronic label is provided, including: a first power supply unit, which is configured to supply power to the electronic label; a first control unit, which is configured to monitor at least one of a power supply voltage and a remaining power of the first power supply unit. The first power supply unit includes a first booster circuit, and is configured to turn on the first booster circuit to boost the power supply voltage when at least one of the following conditions is met: the power supply voltage is lower than a first preset voltage threshold; and, the remaining power is lower than a first preset power threshold. The invention also provides a method for monitoring an electronic label, an electronic label monitoring device, and an electronic label system.
-
公开(公告)号：US20210226673A1
公开(公告)日：2021-07-22
申请号：US16762992
申请日：2019-12-09
Inventor： Yunyan Xie , Lichun Chen , Bo Liu , Qiangeng Cheng , Han Wang
IPC: H04B7/0413 , H04L1/06
Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.
-
36.发明申请公开(公告)号：US20200052935A1
公开(公告)日：2020-02-13
申请号：US16534021
申请日：2019-08-07
Inventor： Yunyan XIE , Lichun CHEN , Bo LIU , Shuang WANG , Bei XU
Abstract: A method for receiving a signal in a wireless communication system includes: receiving and demodulating a signal transmitted by using a quadrature spatial modulation technology to obtain a complex symbol; and decoding the complex symbol with a spherical decoding detection algorithm. Decoding includes, for the ith layer of a constellation symbol, discarding the constellation symbol if a calculated radius of the ith layer is greater than a minimum radius of the ith layer; otherwise updating the minimum radius of the ith layer according to the calculated radius; where i is a natural number in a range between Nr and 1; Nr is the number of receiving antennas; and for each constellation symbol that is not discarded, taking a sum of the radii of respective layers of the constellation symbol as the radius of the constellation symbol, and selecting a constellation symbol with the smallest radius as a symbol obtained from the decoding.
-
-
-
-
-
Search Results
36
records
(took 0.026 seconds)
