Patents by Inventor Lijuan Zhao

Lijuan Zhao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250107016
    Abstract: Provided is a retractable mechanism for a display device. The retractable mechanism includes: a first housing, a second housing, and a drive assembly, the first housing being movably connected to the second housing; wherein the drive assembly is disposed in the first housing and is connected to the first housing; the retractable mechanism has a connected state and a disconnected state, in the connected state, the second housing is connected to the drive assembly and is able to extend or retract relative to one side of the first housing under driving by the drive assembly, in the disconnected state, the second housing is separated from the drive assembly; and the retractable mechanism is configured to be switched from the connected state to the disconnected state in response to an acceleration of the second housing moving relative to the first housing being greater than a predetermined value.
    Type: Application
    Filed: December 9, 2022
    Publication date: March 27, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Zongyuan WANG, Hong ZHU, Sitong CHEN, Lijuan ZHAO
  • Patent number: 12253886
    Abstract: A flexible display device is provided, including: a housing, a flexible display screen, a support member and a sliding-roller. The support member is located between the flexible display screen and the sliding-roller, and is configured for driving the flexible display screen to be rolled on the sliding-roller. The sliding-roller is rotatable and is arranged in the housing. The flexible display device further includes a limiting structure provided between the support member and the housing for maintaining a gap between the flexible display screen and the housing. A display terminal is further provided.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: March 18, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijuan Zhao, Junhuan Liu, Lupeng Bian
  • Publication number: 20240372768
    Abstract: There are provided a frequency offset estimation method, a frequency offset estimation apparatus, an electronic device, and a computer-readable storage medium. The frequency offset estimation method includes: adopting a first frequency offset estimation method to perform frequency offset estimation on a demodulation reference signal (DMRS) sent from a terminal, to obtain a first frequency offset estimated value (100); adopting a second frequency offset estimation method to perform frequency offset estimation on the DMRS sent from the terminal, to obtain a second frequency offset estimated value (101); and determining a confidence factor according to the first frequency offset estimated value and the second frequency offset estimated value, and calibrating the second frequency offset estimated value according to the confidence factor to obtain a final frequency offset estimated value (102).
    Type: Application
    Filed: March 21, 2022
    Publication date: November 7, 2024
    Inventors: Lijuan ZHAO, Qing BIAN
  • Publication number: 20240310876
    Abstract: A flexible display device is provided, including: a housing, a flexible display screen, a support member and a sliding-roller. The support member is located between the flexible display screen and the sliding-roller, and is configured for driving the flexible display screen to be rolled on the sliding-roller. The sliding-roller is rotatable and is arranged in the housing. The flexible display device further includes a limiting structure provided between the support member and the housing for maintaining a gap between the flexible display screen and the housing. A display terminal is further provided.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 19, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijuan Zhao, Junhuan Liu, Lupeng Bian
  • Patent number: 11987041
    Abstract: Embodiments of the present disclosure provide a display module, including: a flexible panel, a first group of film layers attached to a light-emitting side of the flexible panel, and a second group of film layers attached to a non-light-emitting side of the flexible panel away from the light-emitting side. The display module is capable of being folded to a curved plate, such that at least a portion of an orthographic projection of the display module on a first plane perpendicular to the curved plate has a shape of a water-drop profile comprising a neck portion and a body portion. At least a portion of orthographic projections, on the first plane, of two opposite ends of the display module forms the neck portion, and an orthographic projection, on the first plane, of a middle portion of the display module between the two opposite ends forms the body portion.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: May 21, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liming Dong, Shiming Shi, Lu Liu, Lijuan Zhao, Zhao Li
  • Publication number: 20230275690
    Abstract: A blind detection method and apparatus, a terminal, and a storage medium. The method comprises: according to system frame number (SFN) information, demasking physical broadcast channel (PBCH) information received by a synchronization signal/PBCH block (SSB) in a target beam direction in at least one synchronization signal period within one transmission time interval, so as to obtain at least one group of demasked sequences; determining a combined sequence according to the at least one group of demasked sequences; checking a decoding result of the combined sequence; and when the check succeeds, extracting a master information block (MIB) from the decoding result according to the SFN information, so as to complete blind detection of the PBCH information.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 31, 2023
    Inventors: Lijuan ZHAO, Junling ZHANG
  • Publication number: 20220314579
    Abstract: Embodiments of the present disclosure provide a display module, including: a flexible panel, a first group of film layers attached to a light-emitting side of the flexible panel, and a second group of film layers attached to a non-light-emitting side of the flexible panel away from the light-emitting side. The display module is capable of being folded to a curved plate, such that at least a portion of an orthographic projection of the display module on a first plane perpendicular to the curved plate has a shape of a water-drop profile comprising a neck portion and a body portion. At least a portion of orthographic projections, on the first plane, of two opposite ends of the display module forms the neck portion, and an orthographic projection, on the first plane, of a middle portion of the display module between the two opposite ends forms the body portion.
    Type: Application
    Filed: August 26, 2020
    Publication date: October 6, 2022
    Inventors: Liming DONG, Shiming SHI, Lu LIU, Lijuan ZHAO, Zhao LI
  • Patent number: 10419253
    Abstract: A technique for wireless signal processing performed at a receiver in a wireless network includes receiving, by a wireless receiver, an orthogonal frequency division multiplexing (OFDM) signal on a shared downlink channel from the wireless network, wherein the OFDM signal includes contribution from a serving cell signal and at least one interfering signal, obtaining an estimate of the serving cell signal, calculating a residual signal by subtracting the estimate of the serving cell signal from the OFDM signal, generating a whitened residual signal by whitening the residual signal, obtaining an estimate of a modulation scheme of the at least one interfering signal by performing a likelihood-based blind classification on the whitened residual signal, and performing further receiver-side processing of the serving cell signal using the estimate of the modulation scheme of the at least one interfering signal.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 17, 2019
    Assignees: ZTE Corporation, ZTE Canada Inc.
    Inventors: Xing Qian, LiJuan Zhao, JunLing Zhang
  • Patent number: 10177942
    Abstract: A wireless data reception method for receiving orthogonal frequency division multiplexing (OFDM) signal includes determining that an interfering signal is present, along with a serving cell signal, in the OFDM signal on the shared downlink channel, determining an estimate of a transmission structure of the received interfering signal, wherein the transmission structure is defined by a plurality of transmission parameters, classifying the estimate of the transmission structure as belonging to a subgroup from a plurality of possible subgroups in a dynamic order, estimating, in a priority order, at least some of the plurality of transmission parameters of the estimate of the transmission structure, and performing further receiver-side processing of the serving cell signal by subtracting contribution of the interfering signal from the OFDM signal based on the estimate of the transmission structure and a result of the estimating step.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 8, 2019
    Assignees: ZTE Corporation, ZTE Canada Inc.
    Inventors: Xing Qian, LiJuan Zhao, JunLing Zhang
  • Publication number: 20190004549
    Abstract: The invention discloses a multi-function valve core with a drinking water control function, which comprises a housing, an upper cover, a handle, a rotor, a drive plate, a movable ceramic disc and a stationary ceramic disc, wherein the housing and the stationary ceramic disc are respectively provided with a hot water inlet hole, a cold water inlet hole, a mixed cold and hot water outlet hole, a drinking water inlet hole and a drinking water outlet hole at corresponding positions, and the movable ceramic disc is provided with a first cavity and a second cavity. In this technical solution, the functions of two valve cores are integrated as a whole, thus simplifying the product structure.
    Type: Application
    Filed: April 9, 2018
    Publication date: January 3, 2019
    Inventor: Lijuan ZHAO
  • Publication number: 20180176048
    Abstract: A wireless data reception method for receiving orthogonal frequency division multiplexing (OFDM) signal includes determining that an interfering signal is present, along with a serving cell signal, in the OFDM signal on the shared downlink channel, determining an estimate of a transmission structure of the received interfering signal, wherein the transmission structure is defined by a plurality of transmission parameters, classifying the estimate of the transmission structure as belonging to a subgroup from a plurality of possible subgroups in a dynamic order, estimating, in a priority order, at least some of the plurality of transmission parameters of the estimate of the transmission structure, and performing further receiver-side processing of the serving cell signal by subtracting contribution of the interfering signal from the OFDM signal based on the estimate of the transmission structure and a result of the estimating step.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 21, 2018
    Inventors: Xing Qian, LiJuan Zhao, JunLing Zhan
  • Publication number: 20180176051
    Abstract: A technique for wireless signal processing performed at a receiver in a wireless network includes receiving, by a wireless receiver, an orthogonal frequency division multiplexing (OFDM) signal on a shared downlink channel from the wireless network, wherein the OFDM signal includes contribution from a serving cell signal and at least one interfering signal, obtaining an estimate of the serving cell signal, calculating a residual signal by subtracting the estimate of the serving cell signal from the OFDM signal, generating a whitened residual signal by whitening the residual signal, obtaining an estimate of a modulation scheme of the at least one interfering signal by performing a likelihood-based blind classification on the whitened residual signal, and performing further receiver-side processing of the serving cell signal using the estimate of the modulation scheme of the at least one interfering signal.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 21, 2018
    Inventors: Xing Qian, LiJuan Zhao, JunLing Zhan
  • Patent number: 9793594
    Abstract: A dielectric resonator and a dielectric filter are provided. The inner wall or the outer wall of the dielectric resonator is plated with silver. With the technical solution, it can be guaranteed that the volume of a dielectric resonant column of which the inner wall or the outer wall is plated with silver is reduced by about 35% as compared with the volume of an ordinary dielectric filter, or the volume of the dielectric resonator is reduced under the condition of the same cavity body. In addition, the dielectric resonator is stable and reliable in filtering performance, simple in production process, and overcomes the defect of large size of the universal dielectric resonator in the related art in the low communication frequency band.
    Type: Grant
    Filed: September 29, 2013
    Date of Patent: October 17, 2017
    Assignee: XI'AN ZTE NEW SOFTWARE COMPANY LIMITED
    Inventors: Lijuan Zhao, Nan Shen, Wende Bai, Hong Zhou
  • Patent number: 9728830
    Abstract: A dielectric resonator, an assembly method thereof and a dielectric filter enable are provided. The dielectric resonator includes the dielectric resonant column, the metal cavity, a sealing cover plate and a tuning screw, wherein the dielectric resonant column is located in the metal cavity, the sealing cover plate is located on an upper end face of the metal cavity, and the tuning screw is located on the sealing cover plate. The dielectric resonator also includes an insulating fixed module located between the lower end face of the sealing cover plate and the upper end face of the dielectric resonant column, and the insulating fixed module is high enough to ensure that a pressure is formed between the sealing cover plate and the dielectric resonant column, so that the dielectric resonant column is fixed at the bottom of the metal cavity.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: August 8, 2017
    Assignee: ZTE Corporation
    Inventors: Lijuan Zhao, Nan Shen, Wende Bai, Hong Zhou
  • Patent number: 9570801
    Abstract: A device for reducing interference among antennas of multiple base stations is provided, which includes an antenna module placed on a base station and configured to transmit and receive radio waves, a holding pole placed on the base station and configured to support the antenna module, a mounting bracket coupled to the antenna module and the holding pole, and a shielding apparatus placed on the holding pole or the antenna module and capable of being adjusted in directions. The device has a simple structure; it is easy to manufacture and install the device; it can be applied to the base station's antennas in network use. In addition, the device can efficiently increase isolation and reduce interferences among the antennas of the multiple base stations.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: February 14, 2017
    Assignee: ZTE Corporation
    Inventors: Lijuan Zhao, Nan Shen, Zhanfu Li, Xianming Zhao
  • Patent number: 9559730
    Abstract: A multiplexer is disclosed configured between a transceiving antenna and a receiving channel and a transmitting channel; the transceiving antenna, the receiving channel and the transmitting channel are shared by signals of at least two modes. The multiplexer includes a combiner module, transmitting filter modules, receiving filter modules and amplifier modules in one-to-one correspondence with the signals of various modes. The multiplexer addresses the problem of how multi-mode signals share a transmitting channel, a receiving channel and a transceiving antenna.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: January 31, 2017
    Assignee: ZTE Corporation
    Inventors: Hong Zhou, Qi Tian, Nan Shen, Hua Yang, Lijuan Zhao
  • Publication number: 20160071156
    Abstract: It is described an information processing method. On a display screen of a terminal it is presented at least one piece of promotion information associated with an application when the application is running on the terminal. Upon detecting that one piece of the promotion information is selected, a payment platform which is in-built in the application is triggered to perform the following: requesting a server to determine whether a payment option corresponding to the selected piece of the promotion information shall be presented on a first page or a second page; jumping to the first page upon reception from the server of a first operation instruction of presenting the payment option corresponding to the selected piece of the promotion information on the first page; and presenting on the first page the payment option corresponding to the selected piece of the promotion information.
    Type: Application
    Filed: February 3, 2015
    Publication date: March 10, 2016
    Inventors: Huorong LI, Kexiao Duan, Ke Fan, Lijuan Zhao, Yi Wen, Jianwei Deng, Songjian Wang, Ningguo Chen, Qiang Fei
  • Publication number: 20160049717
    Abstract: A dielectric resonator and a dielectric filter are provided. The inner wall or the outer wall of the dielectric resonator is plated with silver. With the technical solution, it can be guaranteed that the volume of a dielectric resonant column of which the inner wall or the outer wall is plated with silver is reduced by about 35% as compared with the volume of an ordinary dielectric filter, or the volume of the dielectric resonator is reduced under the condition of the same cavity body. In addition, the dielectric resonator is stable and reliable in filtering performance, simple in production process, and overcomes the defect of large size of the universal dielectric resonator in related art in the low communication frequency band.
    Type: Application
    Filed: September 29, 2013
    Publication date: February 18, 2016
    Applicant: ZTE Corporation
    Inventors: Lijuan ZHAO, Nan SHEN, Wende BAI, Hong ZHOU
  • Patent number: 9237144
    Abstract: The invention discloses a method, a device and a system for verifying based on a verification diagram, and a storage medium, and the method includes: generating an input interface diagram according to a verification diagram including a basic information element and verification information, where the input interface diagram includes the basic information element of the verification diagram except for the verification information; transmitting the verification diagram and the input interface diagram to a terminal; receiving sliding path information inputted on the input interface diagram presented on the terminal; and determining whether the sliding path information matches the verification information, and if so, the verification is successful.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: January 12, 2016
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Ningguo Chen, Jianwei Deng, Songjian Wang, Ruizhou Wu, Yun Zhang, Lijuan Zhao, Cong Fu, Ruting Chen
  • Patent number: D962562
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: August 30, 2022
    Inventor: Lijuan Zhao