Patents by Inventor Jia Cheng

Jia Cheng 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: 20220252824
    Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventors: Jyun-Jia CHENG, Heng-Yi SU, Ming-Ta CHOU, Ming-Shun CHANG
  • Publication number: 20220256059
    Abstract: An imaging lens system includes a plastic lens element, a lens barrel and a light-absorbing coating layer. The plastic lens element is accommodated in the lens barrel and has an outer annular surface. The lens barrel includes a plate portion and a lateral wall portion. An optical axis of the imaging lens system passes through a light-passable hole of the plate portion. The lateral wall portion is connected to the plate portion and extends along a direction substantially parallel to the optical axis. The light-absorbing coating layer has an inner surface and an outer surface. The inner surface faces and is fixed on the outer annular surface of the plastic lens element. The outer surface is located opposite to the inner surface and in physical contact with the lateral portion of the lens barrel.
    Type: Application
    Filed: May 24, 2021
    Publication date: August 11, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Jyun-Jia CHENG, Heng Yi SU, Ming-Ta CHOU, Chen-Yi HUANG
  • Publication number: 20220214654
    Abstract: A processing method for automatically generating machining features is provided. A workpiece CAD file is obtained to perform a CAD numerical analysis on a blank body. With the workpiece CAD file being used as a target, a workpiece CAD appearance is compared with the blank body to obtain a feature identification result of a first to-be-processed blank body, which includes identifying data of a to-be-removed blank body and a feature of a first processing surface. A geometric analysis is performed on the first processing surface feature and a tool selection range is determined. A virtual cutting simulation is performed on the first processing surface to generate a processed area data and an unprocessed area data. A spatial coordinate mapping comparison between the unprocessed area data and a surface data of the workpiece CAD file is performed to obtain a feature identification result of a second to-be-processed blank body.
    Type: Application
    Filed: February 8, 2021
    Publication date: July 7, 2022
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jia-Cheng SUN, Ci-Rong HUANG, Yang-Lun LIU, Chen-Yu KAI
  • Publication number: 20220196993
    Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.
    Type: Application
    Filed: June 25, 2021
    Publication date: June 23, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Min-Chun LIAO, Lin An CHANG, Ming-Ta CHOU, Jyun-Jia CHENG, Cheng-Feng LIN, Ming-Shun CHANG
  • Patent number: 11353676
    Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: June 7, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Jyun-Jia Cheng, Heng-Yi Su, Ming-Ta Chou, Ming-Shun Chang
  • Publication number: 20220131051
    Abstract: The present disclosure provides a wavelength conversion structure, a light-emitting apparatus, and a display device using the wavelength conversion structures. The wavelength conversion structure includes a porous inorganic shell and a plurality of organic complex phosphor particles filled in the porous inorganic shell. Wherein the plurality of organic complex phosphor particles is capable of being excited to emit light with a peak wavelength in the visible light range.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 28, 2022
    Inventors: Zhen Bao, Wen-Tse Huang, Ling-Xuan Hong, Ru-Shi Liu, Jia-Cheng Lin
  • Publication number: 20220089138
    Abstract: A heavy vehicle brake control method includes: activating two electro-pneumatic proportional valve control modules to perform braking along a front-axle electrical brake loop and a rear-axle electrical brake loop, respectively; while the two electro-pneumatic proportional valve control modules perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop, judging malfunctions by detecting the two electro-pneumatic proportional valve control modules; if none of the malfunctions is detected, the two electro-pneumatic proportional valve control modules continuing to perform braking along the front-axle electrical brake loop and the rear-axle electrical brake loop; and, if one or more malfunctions are detected, then switching on a brake-pedal cable control module to control the brake pedal of the brake valve to perform braking. In addition, a heavy vehicle brake control device is also provided.
    Type: Application
    Filed: December 28, 2020
    Publication date: March 24, 2022
    Inventors: KAO-HONE CHU, JYH-CHUN CHANG, TSU-YANG TSAI, YI-LUN CHENG, JIA-CHENG KE, SHIH-MING LO
  • Publication number: 20220054939
    Abstract: A method and apparatus for displaying a virtual scene, a terminal, and a storage medium. The method includes displaying a virtual scene image on a terminal screen, the virtual scene image including a controlled virtual object in a virtual scene, controlling, in response to the controlled virtual object being located in a first region in the virtual scene, the controlled virtual object to be displayed at a first position on the terminal screen, and controlling, in response to the controlled virtual object entering a second region in the virtual scene, the controlled virtual object to be displayed at a second position on the terminal screen, the second position being offset relative to the first position.
    Type: Application
    Filed: November 4, 2021
    Publication date: February 24, 2022
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jia Cheng Wei, Xun Hu, Qingchun Lu, Kang Zhang
  • Publication number: 20210399961
    Abstract: Example methods and systems are provided for simulation-based cross-cloud connectivity checks. One example method may include injecting a connectivity check packet in a first cloud environment, and obtaining first report information associated with a first stage of forwarding the connectivity check packet from one or more first observation points in the first cloud environment. The method may also comprise: based on configuration information associated with one or more second observation points in the second cloud environment, simulating a second stage of forwarding the connectivity check packet towards a second virtualized computing instance via the one or more second observation points. The method may further comprise: generating second report information associated with the simulated second stage to identify a connectivity status between a first virtualized computing instance and the second virtualized computing instance based on the first report information and the second report information.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 23, 2021
    Applicant: VMware, Inc.
    Inventors: Qiao HUANG, Donghai HAN, Qiong WANG, Jia CHENG, Xiaoyan JIN, Qiaoyan HOU
  • Publication number: 20210371751
    Abstract: An aromatic liquid crystal polyester, having repeating units represented by formulae (1) and (2), respectively: where R?, Ar1, Ar2, Ar3, X, Y1, Y2 and Z are those as defined in the specification. Also, a liquid crystal polyester composition including the aromatic liquid crystal polyester and a solvent. The composition has an improved viscosity stability. Also, a liquid crystal polyester film prepared from the liquid crystal polyester composition and a method for manufacturing the same. The liquid crystal polyester film according to the present disclosure has excellent properties such as a low hygroscopicity and a low dissipation factor (Df).
    Type: Application
    Filed: May 28, 2021
    Publication date: December 2, 2021
    Applicant: ETERNAL MATERIALS CO., LTD.
    Inventors: JIA-CHENG CHANG, WEI-TING YEH, WEN-CHENG LIU
  • Publication number: 20210247586
    Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 12, 2021
    Inventors: Jyun-Jia CHENG, Heng-Yi SU, Ming-Ta CHOU, Ming-Shun CHANG
  • Publication number: 20210237218
    Abstract: This disclosure provides a machine tool adjustment method and system thereof. The machine tool adjustment method includes the following steps: enabling a machine tool to perform a circular test; obtaining a measured error value Em from a measuring instrument, and the measured error value Em is defined by the difference between the actual circular trajectory and the preset circular trajectory during the circular test; determining an error condition of the tool machine from the measured error value Em; determining whether the error condition is less than a predetermined criteria; if not, defining a compensation parameter according to the error condition and enabling the machine tool to perform another circular test according to the set compensation parameter until the error condition is less than the predetermined criteria; and if yes, ending the circular test and the machine tool adjustment is finished.
    Type: Application
    Filed: March 19, 2020
    Publication date: August 5, 2021
    Applicant: Industrial Technology Research Institute
    Inventors: Chen-Hui Kuo, Tian-You Hou, Jia-Cheng Sun, Chen-Yu Kai, Yung-Chih Lin
  • Publication number: 20210213434
    Abstract: The present disclosure is directed to a Low Temperature NOx-Absorber (LT-NA) catalyst composition which exhibits NOx adsorption in a broad temperature and space velocity range, and shifts NOx desorption to a desired temperature range. In particular, the LT-NA composition includes a large pore zeolite containing a palladium component and a small or medium pore zeolite containing a palladium component. Further provided is a catalyst article including the LT-NA catalyst composition, an emission treatment system for treating an exhaust gas including the catalyst article, and methods for reducing a NOx level in an exhaust gas stream using the catalyst article.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 15, 2021
    Applicant: BASF Corporation
    Inventors: Jia Cheng LIU, Evan Vincent MIU, Xiaoming XU, Xinyi WEI, Stefan MAURER
  • Publication number: 20210197508
    Abstract: The invention teaches an environmentally friendly straw and its manufacturing method. The straw includes a tubular body having a through channel inside connecting two openings respectively at two ends of the tubular body, an outer layer surrounding the tubular body between the two openings formed by a leveling machine, an inner layer, as an inner wall of the tubular body, surrounding the channel formed by a honing machine. The straw is manufactured by leveling the tubular body, and honing the channel by a honing machine. As such, a smooth layer between the channel and the tubular body is achieved so that the straw is convenient to clean and use.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 1, 2021
    Inventor: Jia-Cheng Yeh
  • Patent number: 11050647
    Abstract: Example methods and systems are provided for simulation-based cross-cloud connectivity checks. One example method may include injecting a connectivity check packet in a first cloud environment, and obtaining first report information associated with a first stage of forwarding the connectivity check packet from one or more first observation points in the first cloud environment. The method may also comprise: based on configuration information associated with one or more second observation points in the second cloud environment, simulating a second stage of forwarding the connectivity check packet towards a second virtualized computing instance via the one or more second observation points. The method may further comprise: generating second report information associated with the simulated second stage to identify a connectivity status between a first virtualized computing instance and the second virtualized computing instance based on the first report information and the second report information.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: June 29, 2021
    Assignee: VMWARE, INC.
    Inventors: Qiao Huang, Donghai Han, Qiong Wang, Jia Cheng, Xiaoyan Jin, Qiaoyan Hou
  • Patent number: 11046462
    Abstract: A satellite attitude data fusion system and method is disclosed, applicable to the earth satellite environment to estimate attitude data of the satellite. When the satellite attitude data fusion system of the present invention is used to perform the satellite attitude data fusion method, the first step is to perform a body rates quaternion attitude data processing operation. Then, the next step is to perform an attitude/rates data fusion processing operation, wherein an attitude data fusion algorithm module receives the first IAE result data from the first EKF, and the second JAE result data from the second EKF, and performs an attitude/rates data fusion algorithm in a subsystem level to evaluate an attitude estimation JAE performance.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 29, 2021
    Assignee: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Ying-Wei Jan, Ming-Yu Yeh, Wei-Ting Wei, Jia-Cheng Li, Yeong-Wei Wu
  • Publication number: 20210184953
    Abstract: Example methods and systems are provided for simulation-based cross-cloud connectivity checks. One example method may include injecting a connectivity check packet in a first cloud environment, and obtaining first report information associated with a first stage of forwarding the connectivity check packet from one or more first observation points in the first cloud environment. The method may also comprise: based on configuration information associated with one or more second observation points in the second cloud environment, simulating a second stage of forwarding the connectivity check packet towards a second virtualized computing instance via the one or more second observation points. The method may further comprise: generating second report information associated with the simulated second stage to identify a connectivity status between a first virtualized computing instance and the second virtualized computing instance based on the first report information and the second report information.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 17, 2021
    Applicant: VMware, Inc.
    Inventors: Qiao HUANG, Donghai HAN, Qiong WANG, Jia CHENG, Xiaoyan JIN, Qiaoyan HOU
  • Publication number: 20210173168
    Abstract: An imaging lens assembly has an optical axis, and includes a plastic carrier element and an imaging lens element set. The plastic carrier element includes an object-side surface, an image-side surface, an outer surface and an inner surface. The object-side surface includes an object-side opening. The image-side surface includes an image-side opening. The inner surface is connected to the object-side opening and the image-side opening. The imaging lens element set is disposed in the plastic carrier element, and includes at least three lens elements, each of at least two adjacent lens elements of the lens elements includes a first axial assembling structure, the first axial assembling structures are corresponding to and connected to each other. A solid medium interval is maintained between the adjacent lens elements and the inner surface. The solid medium interval is directly contacted with the adjacent lens elements and the inner surface.
    Type: Application
    Filed: July 22, 2020
    Publication date: June 10, 2021
    Inventors: Jyun-Jia CHENG, Lin-An CHANG, Ming-Ta CHOU, Cheng-Feng LIN
  • Patent number: 11005745
    Abstract: Example methods are provided for a network management entity to perform network configuration failure diagnosis in a software-defined networking (SDN) environment. The method may comprise receiving a request to diagnose a network configuration failure; and generating and sending control information to a host to cause the host to inject, at a first network element, a diagnostic packet for transmission along a datapath to a configuration server via multiple second network elements. The diagnostic packet may be configured according to a network configuration protocol supported by the configuration server. The method may also comprise: receiving report information associated with the diagnostic packet from at least one of the following: the first network element, the multiple second network elements and the configuration server; and based on the report information, determining a diagnosis result associated with the network configuration failure.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: May 11, 2021
    Assignee: VMWARE, INC.
    Inventors: Qiao Huang, Donghai Han, Qiong Wang, Benli Ye, Xu Wang, Jia Cheng
  • Publication number: 20210072487
    Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.
    Type: Application
    Filed: June 4, 2020
    Publication date: March 11, 2021
    Inventors: Jyun-Jia CHENG, Ming-Ta CHOU, Ming-Shun CHANG