Patents by Inventor XUAN XU

XUAN XU 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: 12294845
    Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate having a hollow chamber, a diaphragm suspended over the hollow chamber, a coil embedded in the diaphragm, a carrier board disposed on a bottom surface of the substrate, a first permanent magnetic element disposed on the carrier board and in the hollow chamber, and a lid wrapped around the substrate and the diaphragm. The diaphragm includes an etching pattern. One end of the lid exposes a portion of the top surface of the diaphragm.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: May 6, 2025
    Assignee: FORTEMEDIA, INC.
    Inventors: Yu-Xuan Xu, Li-Jen Chen, Yu-Ting Cheng, Shih-Chin Gong
  • Publication number: 20250008270
    Abstract: A micro speaker structure is provided. The micro speaker structure includes a substrate, a diaphragm, a coil, a circuit board, and a magnet member. The substrate has a hollow space. The diaphragm is disposed over the substrate and covers the hollow chamber. The coil is embedded in the diaphragm. The circuit board is attached to the substrate. The magnet member is disposed on the circuit board and in the hollow chamber. The magnet member has a first side facing the coil and a second side opposite the first side, wherein the first side includes a first polar area and a second polar area having different polarities.
    Type: Application
    Filed: October 6, 2023
    Publication date: January 2, 2025
    Inventors: Shih-Chin GONG, Yu-Xuan XU
  • Patent number: 12172149
    Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component, wherein the first PGM component comprises Rh and Pt; a second catalytic region comprising a second PGM component, wherein the second PGM component comprises Pd; and wherein the first PGM component has a Pt to Rh ratio of at least 1:20.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: December 24, 2024
    Assignees: JOHNSON MATTHEY PUBLIC LIMITED COMPANY, JOHNSON MATTHEY (SHANGHAI) CHEMICALS COMPANY
    Inventors: Michael Howard, Dongxia Liu, Dongsheng Qiao, Zhou Shang, Maria Vlachou, Xuan Xu
  • Patent number: 12170877
    Abstract: A package structure of a micro speaker includes a substrate having a hollow chamber. A diaphragm is disposed on the top surface of the substrate. The diaphragm includes a first portion suspended over the hollow chamber and a second portion surrounding the first portion. In a plan view, the second portion of the diaphragm and the hollow chamber do not overlap. A coil is embedded in the first portion of the diaphragm. At least one dummy structure is embedded in the second portion of the diaphragm, and it is electrically isolated from the coil structure by the diaphragm. A carrier board is disposed on the bottom surface of the substrate. A permanent magnetic element is disposed on the carrier board and in the hollow chamber. A package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the diaphragm.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: December 17, 2024
    Assignee: FORTEMEDIA, INC.
    Inventors: Yu-Xuan Xu, Shih-Chin Gong
  • Publication number: 20240357294
    Abstract: A package structure of a micro speaker is provided, and includes a substrate, a membrane, a coil, and a magnetic element. The substrate has a hollow chamber. The membrane is disposed on the substrate and covers the hollow chamber. The coil is embedded in the membrane. The magnetic element is disposed in the hollow chamber. A vent hole is formed in and penetrates the membrane, and the vent hole is separated from the coil and communicates with the hollow chamber.
    Type: Application
    Filed: April 18, 2023
    Publication date: October 24, 2024
    Inventors: Yu-Xuan XU, Shih-Chin GONG
  • Publication number: 20240200453
    Abstract: A method and apparatus for fire ventilation and smoke evacuation in a running train tunnel are provided. The method includes: acquiring a traveling position of the train and a fire position on the train detected by the fire positioning device; predicting all possible stop positions of the train next in various sections of a subway tunnel according to a traveling direction and the traveling position of the train; according to the fire position, listing working state options of the air supply and smoke evacuation subsystems at both ends of each stop position, analyzing each working state option, and screening out a target air supply and smoke evacuation subsystem which only carries out smoke evacuation or air supply control from all the air supply and smoke evacuation subsystems; and performing linkage control on the target air supply and smoke evacuation subsystem.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 20, 2024
    Inventors: Jian LI, Congling SHI, Guolin LIU, Fei REN, Li HE, Xiaodong QIAN, Xuan XU, Jiehong SHI, Chen ZHAO
  • Publication number: 20240196134
    Abstract: A package structure of a micro speaker includes a substrate having a hollow chamber. A diaphragm is disposed on the top surface of the substrate. The diaphragm includes a first portion suspended over the hollow chamber and a second portion surrounding the first portion. In a plan view, the second portion of the diaphragm and the hollow chamber do not overlap. A coil is embedded in the first portion of the diaphragm. At least one dummy structure is embedded in the second portion of the diaphragm, and it is electrically isolated from the coil structure by the diaphragm. A carrier board is disposed on the bottom surface of the substrate. A permanent magnetic element is disposed on the carrier board and in the hollow chamber. A package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the diaphragm.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 13, 2024
    Inventors: Yu-Xuan XU, Shih-Chin GONG
  • Patent number: 11995246
    Abstract: A method for touchless gesture recognition is provided. The method includes transmitting ultrasonic signals via a speaker. The method includes generating ultrasonic signals. The method includes receiving the reflected ultrasonic signals from an object via two or more microphones. The method includes computing a frequency shift according to the reflected ultrasonic signals. The method includes identifying a gesture that corresponds to a movement of the object according to the frequency shift. The method includes performing a function that corresponds to the gesture.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: May 28, 2024
    Assignee: FORTEMEDIA, INC.
    Inventors: Yu-Xuan Xu, Ching-Lung Chan, Shih-Chung Wang, Yen-Son Paul Huang, Shih-Chin Gong
  • Publication number: 20240164580
    Abstract: Provided is a fried food preparation system, which relates to the technical field of food equipment. The fried food preparation system includes a food dispenser assembly, a manipulator arm assembly, a deep fryer assembly and a frying basket. The deep fryer assembly and the food dispenser assembly are respectively arranged in parallel on both sides of the manipulator arm assembly, wherein the manipulator arm assembly is connected with the frying basket and makes the frying basket move in a plane formed by a first direction and a second direction.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 23, 2024
    Applicant: Yindu Kitchen Equipment Co., Ltd.
    Inventors: Junjie Zhou, Zhengyu Li, Xian Ye, Genhu Li, Shimin Chai, Lifeng Ye, Yunjie Wang, Changliang Xiao, Huiying Zhang, Xuan Xu
  • Patent number: 11967047
    Abstract: A method, apparatus, and a non-transitory computer-readable storage medium for image denoising. The method may include obtaining a raw image captured by a camera. The method may also include obtaining a color modeled image based on the raw image. The method may further include obtaining a subsampled raw image based on the raw image. The method may also include obtaining a denoised image based on a neural network processing the color modeled image and the subsampled raw image.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: April 23, 2024
    Assignee: KWAI INC.
    Inventors: Paras Maharjan, Ning Xu, Xuan Xu, Yuyan Song
  • Publication number: 20240126374
    Abstract: A method for touchless gesture recognition is provided. The method includes transmitting ultrasonic signals via a speaker. The method includes generating ultrasonic signals. The method includes receiving the reflected ultrasonic signals from an object via two or more microphones. The method includes computing a frequency shift according to the reflected ultrasonic signals. The method includes identifying a gesture that corresponds to a movement of the object according to the frequency shift. The method includes performing a function that corresponds to the gesture.
    Type: Application
    Filed: February 13, 2023
    Publication date: April 18, 2024
    Inventors: Yu-Xuan XU, Ching-Lung CHAN, Shih-Chung WANG, Yen-Son Paul HUANG, Shih-Chin GONG
  • Publication number: 20240007793
    Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate having a hollow chamber, a diaphragm suspended over the hollow chamber, a coil embedded in the diaphragm, a carrier board disposed on a bottom surface of the substrate, a first permanent magnetic element disposed on the carrier board and in the hollow chamber, and a lid wrapped around the substrate and the diaphragm. The diaphragm includes an etching pattern. One end of the lid exposes a portion of the top surface of the diaphragm.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 4, 2024
    Inventors: Yu-Xuan XU, Li-Jen CHEN, Yu-Ting CHENG, Shih-Chin GONG
  • Publication number: 20230395237
    Abstract: The present disclosure provides methods and systems for image processing. The methods may include obtaining original projection data of a target subject. For each of at least one slice location of the target subject, the methods may include generating a plurality of candidate slice images of the slice location based on a plurality of distance-weight relationships and the original projection data. Each of the plurality of distance-weight relationships may indicate a weight of a portion of the original projection data acquired by the radiation source and a distance from the radiation source to the slice location when acquiring the portion of the original projection data. The methods may further include generating at least one target medical image of the target subject based on the plurality of candidate slice images of each of the at least one slice location.
    Type: Application
    Filed: June 7, 2023
    Publication date: December 7, 2023
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Yuan BAO, Xuan XU, Peng WANG, Liyi ZHAO
  • Patent number: 11818563
    Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate, a diaphragm, a coil, an etch stop layer, a carrier board, a permanent magnetic element, and package lid. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The etch stop layer is positioned below the coil and overlaps the coil in the direction that is perpendicular to the top surface of the diaphragm. The etch stop layer is made of a metal material. The carrier board is disposed on the bottom surface of the substrate. The permanent magnetic element is disposed on the carrier board and in the hollow chamber. The package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the top surface of the diaphragm.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: November 14, 2023
    Assignee: FORTEMEDIA, INC.
    Inventors: Li-Jen Chen, Yu-Xuan Xu, Yu-Ting Cheng, Shih-Chin Gong
  • Publication number: 20230239628
    Abstract: A package structure of a micro speaker is provided. The package structure includes a substrate, a diaphragm, a coil, an etch stop layer, a carrier board, a permanent magnetic element, and package lid. The substrate has a hollow chamber. The diaphragm is suspended over the hollow chamber. The coil is embedded in the diaphragm. The etch stop layer is positioned below the coil and overlaps the coil in the direction that is perpendicular to the top surface of the diaphragm. The etch stop layer is made of a metal material. The carrier board is disposed on the bottom surface of the substrate. The permanent magnetic element is disposed on the carrier board and in the hollow chamber. The package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the top surface of the diaphragm.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 27, 2023
    Inventors: Li-Jen CHEN, Yu-Xuan XU, Yu-Ting CHENG, Shih-Chin GONG
  • Publication number: 20230191646
    Abstract: A chain saw includes a housing, an electric motor, a transmission system, a control system including a circuit board assembly, and a power supply assembly. The circuit board assembly obliquely intersects with a first straight line; in a direction of a second straight line perpendicular to a direction of the first straight line and extending along an up and down direction, the electric motor has a projection surface and the circuit board assembly has a projection surface, the projection surface of the electric motor at least partially overlaps the projection surface of the circuit board assembly. In the direction of the first straight line, the power supply assembly has a projection surface and the circuit board assembly has a projection surface, and the projection surface of the power supply assembly at least partially overlaps the projection surface of the circuit board assembly.
    Type: Application
    Filed: February 22, 2023
    Publication date: June 22, 2023
    Inventors: Toshinari Yamaoka, Xuan Xu
  • Publication number: 20230169326
    Abstract: A method for training a neural network system for generating paired low resolution (LR) and high resolution (HR) images, the neural network system, an apparatus, and a non-transitory computer-readable storage medium thereof are provided. The method includes that a first generator in the neural network system generates a LR image based on a random vector; a second generator in the neural network system generates a HR image based on the random vector, where the HR image is paired with the LR image; obtaining a plurality of losses based on the LR image and the HR image; and updating the first generator based on the plurality of losses.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Applicant: KWAI INC.
    Inventors: Ahmed Cheikh SIDIYA, Xuan XU, Ning XU
  • Publication number: 20230169626
    Abstract: A neural network system for restoring images, a method and a non-transitory computer-readable storage medium thereof are provided. The neural network system includes an encoder and a generative adversarial network (GAN) prior network. The encoder includes a plurality of encoder blocks, where each encoder block includes at least one transformer block and one convolution layer, where the encoder receives an input image and generates a plurality of encoder features and a plurality of latent vectors. Additionally, the GAN prior network includes a plurality of pre-trained generative prior layers, where the GAN prior network receives the plurality of encoder features and the plurality of latent vectors from the encoder and generates an output image with super-resolution.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Applicant: KWAI INC.
    Inventors: Ahmed Cheikh SIDIYA, Xuan XU, Ning XU
  • Publication number: 20230109090
    Abstract: A method, apparatus, and a non-transitory computer-readable storage medium for image denoising. The method may include obtaining a raw image captured by a camera. The method may also include obtaining a color modeled image based on the raw image. The method may further include obtaining a subsampled raw image based on the raw image. The method may also include obtaining a denoised image based on a neural network processing the color modeled image and the subsampled raw image.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 6, 2023
    Applicant: KWAI INC.
    Inventors: Paras MAHARJAN, Ning XU, Xuan XU, Yuyan SONG
  • Publication number: 20230099539
    Abstract: A method, apparatus, and a non-transitory computer-readable storage medium for sub-band image reconstruction. The method may include obtaining an image captured by a camera. The method may also obtain a transform image based on the image captured by the camera. The transform image may be in a transform domain. The method may further obtain decomposed image components of the transform image. The decomposed image components may include a low frequency component and at least one high frequency component.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Applicant: KWAI INC.
    Inventors: Paras MAHARJAN, Ning XU, Xuan XU, Yuyan SONG