Patents by Inventor Yajun Zhang

Yajun Zhang 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: 20220303320
    Abstract: The embodiments of the disclosure provide a projection-type video conference system including a camera assembly to acquire image information of a conference scene and generate a conference video, an audio input assembly to collect voice signals of the conference scene, a signal processing assembly to copy the voice information to generate a copied voice information and convert it to generate a text information, which is output together with the conference video, a projection assembly to display the conference video and the text information synchronously. The signal processing assembly performs image fusion between the text information and each frame of the conference video to generate a conference video with subtitle information, and output together with the voice information through a cloud service synchronously. It can project a video conference with subtitle information together, which has high integration and is convenient to carry, and a visualization of voice information is realized.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 22, 2022
    Inventor: YAJUN ZHANG
  • Publication number: 20220303434
    Abstract: A projection-type video conference device comprises a camera assembly configuring to acquire a panoramic video of a conference scene, an audio input assembly configuring to collect voice signals of the conference scene, a projection assembly configuring to display images or information of a conference video and an audio output assembly configuring to broadcast a voice signal of the projection assembly or a voice signal of the audio input assembly, wherein the camera assembly is embedded in a housing of the projection-type video conference device and is liftable. And a projection-type video conference system comprises projection-type video conference devices which are connected with each other.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 22, 2022
    Inventor: YAJUN ZHANG
  • Patent number: 11368653
    Abstract: A projection-type video conference device comprises: a projection module configured to project a video image of a video conference, and comprising a housing with one or more status indicators thereon; a plurality of working modules configured to provide different services for the video conference; and a detection module configured to detect working statuses of the plurality of working modules, the detection module being connected to the plurality of working modules respectively, wherein the detection module detects the working statuses of the plurality of working modules in real time, and the working statuses are indicated by the one or more status indicators.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: June 21, 2022
    Assignee: AMPULA INC.
    Inventor: Yajun Zhang
  • Patent number: 11363236
    Abstract: The embodiments of the disclosure provide a projection-type video conference system, which includes a video conference device and a cloud service system. The cloud service system is configured to provide services to the video conference device. The video conference device includes: a camera assembly configured to acquire image information of a conference scene and generate a conference video; an audio input assembly configured to collect voice signals of the conference scene, the voice signals including a recognizable voice instruction; a projection assembly configured to display the conference video. The video conference device can recognize the voice instruction, and perform, according to the voice instruction, an operation corresponding thereto. The video conference device may be controlled through voice, and it has high integration and is convenient to carry.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: June 14, 2022
    Assignee: AMPULA INC.
    Inventor: Yajun Zhang
  • Patent number: 11340885
    Abstract: A method for updating an operating system (OS) comprises: receiving, by an embedded universal integrated circuit card (eUICC), a restart instruction sent by a local profile assistant (LPA) of a terminal device and used to instruct the eUICC to perform a restart operation; sending, to a modem of the terminal device, a first initialization request used to request the modem to control restart of the eUICC; after being restarted, receiving, by the eUICC, a plurality of OS element data packets that are sequentially sent by the LPA; after receiving a part of OS element data packets in the plurality of OS element data packets, parsing, by the eUICC, the OS element data packets received by the eUICC, and installing a first OS based on a parsing result; and deleting, by the eUICC, the first OS element data packet.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 24, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yajun Zhang, Shuiping Long
  • Patent number: 11310465
    Abstract: A video conference terminal, comprises a camera device configuring to collect conference video of the video conference terminal; a smart terminal configuring to realize data interaction and information processing with other video conference terminals, transmit conference information to a projection device in real time, and display content of the video conference terminal on splitting screens; the projection device enlarges and displays the conference information sent by the smart terminal and Internet realizes connections of a plurality of video conference terminals.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: April 19, 2022
    Assignee: AMPULA INC.
    Inventor: Yajun Zhang
  • Publication number: 20220108357
    Abstract: A retail intelligent display system may include at least one fixture configured for placing at least one article of merchandise thereon, at least one electronic display coupled to the at least one fixture, and a network device. The network device may include a communication module communicatively coupled to the at least one electronic display, a processor communicatively coupled to the communication module and the at least one electronic display, and a non-transitory machine-readable memory storing instructions. The retail intelligent display system may compare pricing information of the at least one article of merchandise with pricing information from one or more competitor sources, update the pricing information of the merchandise based on the pricing information from the competitor sources, and display at least one of the updated pricing information and other comparable pricing information of the merchandise on the electronic display.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 7, 2022
    Inventors: KEYONG LU, YAJUN ZHANG, CHUN NAN KUO
  • Publication number: 20220108469
    Abstract: A retail intelligent monitoring system including a merchandise monitoring camera coupled to a first fixture to capture first visual data of one or more articles of merchandise on a second fixture; a merchandise scanning camera coupled to a third fixture and positioned toward a fourth fixture to capture second visual data of one or more articles of merchandise on the fourth fixture; an activity tracking camera coupled to any one of the fixtures to capture third visual data of shoppers/customers' activities and configured to capture blurred visual data of shoppers such that identities of the shoppers remain unknown; and a network device. The retail intelligent monitoring system is configured to receive and analyze the first, second, and third visual data to determine information of the one or more articles of merchandise on the second and fourth fixture; and determine an inventory management procedure based on the analyzed first, second, and third visual data.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 7, 2022
    Inventors: KEYONG LU, YAJUN ZHANG, CHUN NAN KUO
  • Patent number: 11206372
    Abstract: The embodiments of the disclosure provide a projection-type video conference system, which includes a video conference device and a cloud service system. The cloud service system is configured to provide services to the video conference device. The video conference device includes: a camera assembly configured to acquire image information of a conference scene and generate a conference video; an audio input assembly configured to collect voice signals of the conference scene, the voice signals including a recognizable voice instruction; a projection assembly configured to display the conference video. The video conference device can recognize the voice instruction, and perform, according to the voice instruction, an operation corresponding thereto. The video conference device may be controlled through voice, and it has high integration and is convenient to carry.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: December 21, 2021
    Assignee: AMPULA INC.
    Inventor: Yajun Zhang
  • Patent number: 10993926
    Abstract: Use of isopropyl ?-(3,4-dihydroxyphenyl)-?-hydroxypropionate (IDHP) in the preparation of a drug or a health product for prevention and treatment of coronary atherosclerosis diseases. The IDHP can also be used to inhibit platelet aggregation, to promote angiogenesis, and to prepare a drug and a health product for prevention and treatment of senile vascular dementia.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 4, 2021
    Assignee: NORTHWEST UNIVERSITY
    Inventors: Xiaohui Zheng, Yajun Bai, Pu Jia, Yajun Zhang, Sha Liao
  • Patent number: 10983783
    Abstract: A firmware update method including receiving a first message from an update server, where the first message includes first data and a signature of the first data, verifying the first message, and obtaining digest data included in the first data after the first message is successfully verified. The digest data includes digest information of a differential installation package between a first installation package and a second installation package and at least one of, digest information of the first installation package, or digest information of the second installation package A second message is received from the update server and includes the differential installation package. The digest data is verified, and firmware of an embedded universal integrated circuit card (eUICC) is updated based on the differential installation package after the digest data is successfully verified.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: April 20, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yajun Zhang, Shuiping Long
  • Patent number: 10932093
    Abstract: A method includes obtaining, by a first device, BLUETOOTH connection information of a second device, obtaining, by the first device according to the BLUETOOTH connection information, a BLUETOOTH signal from the second device, determining, by the first device according to the obtained BLUETOOTH signal from the second device, position information of the second device, and sending, by the first device, the position information to a third device.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: February 23, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yajun Zhang, Yunsheng Kuang
  • Patent number: 10911939
    Abstract: An embedded universal integrated circuit card (eUICC) profile management method and apparatus update an operating system of an eUICC include setting, by a local profile assistant (LPA), an operating system update flag, and obtaining and storing first metadata of a first profile. A profile server generates a second profile based on the operating system update flag, and generates second metadata of the second profile. The LPA configures the second metadata based on the first metadata, and activates the second profile based on the second metadata.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: February 2, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yajun Zhang, Linyi Gao, Shuiping Long, Xiaobo Yu
  • Patent number: 10911873
    Abstract: An audio device includes an audio output, a single controller, and a processor. The audio output is operable to output at a volume level. The controller is operable to receive a command from a user. The processor is operable to process the received command to provide one of multiple audio control functions that control the audio output. The multiple audio control functions include: a play mode, a pause mode, and a volume change mode. One of the multiple audio control functions is selected in response to comparing a pressing time of the controller with a first predetermined time period. The audio output is operable to output at a volume level during the play mode, to mute during the pause mode, and to the output volume level to be adjusted during the volume change mode.
    Type: Grant
    Filed: September 8, 2019
    Date of Patent: February 2, 2021
    Assignee: TP-LINK USA CORPORATION
    Inventors: David Haidong Fu, Yajun Zhang
  • Publication number: 20200371777
    Abstract: A firmware update method including receiving a first message from an update server, where the first message includes first data and a signature of the first data, verifying the first message, and obtaining digest data included in the first data after the first message is successfully verified. The digest data includes digest information of a differential installation package between a first installation package and a second installation package and at least one of, digest information of the first installation package, or digest information of the second installation package A second message is received from the update server and includes the differential installation package. The digest data is verified, and firmware of an embedded universal integrated circuit card (eUICC) is updated based on the differential installation package after the digest data is successfully verified.
    Type: Application
    Filed: August 30, 2017
    Publication date: November 26, 2020
    Inventors: Yajun Zhang, Shuiping Long
  • Publication number: 20200374686
    Abstract: An embedded universal integrated circuit cart (eUICC) profile management method and apparatus to update an operating system of an eUICC include setting, by a local profile assistant (LPA), an operating system update flag, and obtaining and storing first metadata of a first profile. A profile server generates a second profile based on the operating system update flag, and generates second metadata of the second profile. The LPA configures the second metadata based on the first metadata, and activates the second profile based on the second metadata.
    Type: Application
    Filed: July 28, 2017
    Publication date: November 26, 2020
    Inventors: Yajun ZHANG, Linyi GAO, Shuiping LONG, Xiaobo YU
  • Publication number: 20200351156
    Abstract: A method of fast onboarding a new device to an existing network having one or more existing devices includes discovering one or more new devices by the one or more existing devices, selecting the new device from the discovered one or more new devices, selecting an existing device from the one or more existing devices to initiate an onboarding process for the selected new device, encoding configuration information for the new device to join the existing network, broadcasting the encoded configuration information, capturing the encoded configuration information by the new device. and join the new device into the existing network.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 5, 2020
    Inventors: Yajun Zhang, Mingyuan Li
  • Patent number: 10757245
    Abstract: A message display method, a user terminal, and a graphical user interface, where the method includes: detecting, by a user terminal, a press parameter when a user performs a press operation on the user terminal, and displaying the unread dedicated message when the first press parameter is greater than a first preset parameter and an unread dedicated message of the user exists in a group of a communicate application. Hence, the user only needs to press the user terminal, and when a press condition is met, the user terminal can automatically display the unread dedicated message of the user. Therefore, it is more convenient to view a dedicated message.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: August 25, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaobo Yu, Yajun Zhang, Shuiping Long
  • Patent number: 10681200
    Abstract: Example embodiments of the present disclosure disclose message processing methods and systems, and related devices. One example method includes receiving a message, and determining a distance between a user equipment and a wearable device connected with the user equipment. When the distance between the user equipment and the wearable device is greater than a preconfigured distance, information of the message is recorded without providing the information of the message. When the distance between the user equipment and the wearable device is less than the preconfigured distance, the information of the message is provided.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: June 9, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Yajun Zhang
  • Patent number: D897585
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 29, 2020
    Assignee: DONGGUAN LAYSION LIGHTING TECHNOLOGY CO., LTD.
    Inventors: Yizhi Luo, Yajun Zhang