Patents by Inventor Dejian Liu

Dejian Liu 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).

  • Patent number: 11727915
    Abstract: Disclosed are a method and a terminal for generating simulated voices of virtual teachers. Real voice samples of teachers are collected and converted into text sequences, and a text emotion polarity training set and a text tone training set are constructed according to the text sequences; a lexical item emotion model is constructed based on lexical items in the text sequences and is trained by using the emotion polarity training set, and word vectors, an emotion polarity vector, and a weight parameter are obtained by training; and the similarity between the word vector and the emotion polarity vector is calculated, and emotion features are extracted according to a similarity calculation result, a conditional vocoder is constructed according to the voice styles and emotion features to generate new voices with emotion changes. The method and the terminal contribute to satisfying the application requirements of high-quality virtual teachers.
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: August 15, 2023
    Assignees: Fujian TQ Digital Inc., Central China Normal University
    Inventors: Dejian Liu, Zhenhua Fang, Zheng Zhong, Jian Xu
  • Publication number: 20220206332
    Abstract: A double-screen tablet computer for students comprises a tablet computer body, a liquid crystal screen assembly and an ink screen assembly, wherein the liquid crystal screen assembly and the ink screen assembly are disposed on a front side and a back side of the tablet computer body respectively and are electrically connected to the tablet computer body. The back side provided with the ink screen assembly has a heat-dissipation region. The two sides of the tablet computer can fulfill different display functions to adapt to more application scenarios, and the tablet computer has a good heat-dissipation effect.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 30, 2022
    Applicant: Fujian Tianquan Education Technology Limited
    Inventors: Dejian Liu, Ming Chen, Guocheng Xu, Ze Zheng, Chen Lin
  • Publication number: 20210363625
    Abstract: A mask strip, comprising: a plurality of mask units (2) in a first direction; each of the mask units (2) comprising a mask region (3) and a non-mask region (11) surrounding the mask region (3), the non-mask region (11) comprising a side region (4) and an original stress concentration region (6) inside the side region (4); each of the mask units (2) further comprising a stress concentration structure, wherein the stress concentration structure is within a part of the side region (4) other than the original stress concentration region (6). Also discloses a mask plate and a method of fabricating a mask strip.
    Type: Application
    Filed: January 23, 2018
    Publication date: November 25, 2021
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Zhang, Chunchieh Huang, Zhiming Lin, Xinjian Zhang, Qi Wang, Zhiyuan Hao, De Zhang, Dejian Liu, Zhen Wang, Pu Sun
  • Patent number: 10767253
    Abstract: An embodiment of the present disclosure provides a manufacturing apparatus for manufacturing a mask frame assembly, relates to a technical field of display apparatus manufacturing, which can reduce the friction between a frame and a stage of the manufacturing apparatus for manufacturing the mask frame assembly. The manufacturing apparatus for manufacturing the mask frame assembly provided by an embodiment of the present disclosure includes: a stage for carrying a frame; a resistance reducing part located on the stage, which is configured to reduce the frictional resistance between the frame and the stage when they move relative to each other.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: September 8, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Xinjian Zhang, Dejian Liu
  • Patent number: 10583534
    Abstract: A jointing device for metal mask plate welding includes a jointing device body. A height of the jointing device body is smaller than a welding height of a welding gun. The jointing device body has a through-hole corresponding to a welding area of a metal mask. A width of the through-hole is larger than a welding spot diameter of the welding gun. The jointing device body is used for jointing the metal mask to a metal mask receiving frame.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: March 10, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jian Zhang, Junjie Huang, De Zhang, Dejian Liu, Rong Zhao
  • Publication number: 20190003034
    Abstract: An embodiment of the present disclosure provides a manufacturing apparatus for manufacturing a mask frame assembly, relates to a technical field of display apparatus manufacturing, which can reduce the friction between a frame and a stage of the manufacturing apparatus for manufacturing the mask frame assembly. The manufacturing apparatus for manufacturing the mask frame assembly provided by an embodiment of the present disclosure includes: a stage for carrying a frame; a resistance reducing part located on the stage, which is configured to reduce the frictional resistance between the frame and the stage when they move relative to each other.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 3, 2019
    Inventors: Xinjian ZHANG, Dejian LIU
  • Publication number: 20180085865
    Abstract: A jointing device for metal mask plate welding includes a jointing device body. A height of the jointing device body is smaller than a welding height of a welding gun. The jointing device body has a through-hole corresponding to a welding area of a metal mask. A width of the through-hole is larger than a welding spot diameter of the welding gun. The jointing device body is used for jointing the metal mask to a metal mask receiving frame.
    Type: Application
    Filed: September 25, 2017
    Publication date: March 29, 2018
    Inventors: Jian ZHANG, Junjie HUANG, De ZHANG, Dejian LIU, Rong ZHAO
  • Publication number: 20160262692
    Abstract: The present invention provides a disposable absorption product for feminine hygiene for users to assess their health conditions based on the color of their menstrual blood. The disposable absorption product for feminine hygiene comprises a surface layer facing to a human body, a bottom layer facing away from the human body and an absorptive layer disposed between the surface layer and the bottom layer for absorbing liquid; the bottom layer or the surface layer comprises at least one blood color comparison zone which has a color difference compared with zones outside of its peripheries. Compared with the existing prior art, the present invention provides at least one blood color comparison zone on an outer surface of the absorption product for users to observe. By comparing the color of the menstrual blood on the absorption product and the color of the at least one blood color comparison zone, users can assess their corresponding health conditions.
    Type: Application
    Filed: August 6, 2014
    Publication date: September 15, 2016
    Inventors: Dejian Liu, Minxin Ma, Xuehua Huang
  • Publication number: 20010047346
    Abstract: The present invention identifies a new way of constructing chatter robots based on client-server communication via Internet. An innovative artificial intelligence is provided based on the recognition of relationship between different sentences in human conversation. Powered by the new kind of chatter robots, the present invention also includes a new kind of computer interface to allow users to obtain information and complete computer related tasks by communicate with the computer via common natural language. The present invention also includes ways of incorporate the new artificial intelligence and computer interface with online computer games, both to enhance the computer games and to further retain games players.
    Type: Application
    Filed: April 10, 2001
    Publication date: November 29, 2001
    Inventors: Dejian Liu, Luyuan Liu, Ming Liu
  • Patent number: D956050
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: June 28, 2022
    Assignee: Fujian Tianquan Education Technology Limited
    Inventors: Dejian Liu, Guocheng Xu, Ming Chen, Chen Lin
  • Patent number: D1020527
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: April 2, 2024
    Assignee: FUJIAN NETDRAGON WEBSOFT CO., LTD.
    Inventor: Dejian Liu