Patents by Inventor Lin Cheng

Lin 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: 20230059536
    Abstract: A font file processing method, an electronic device, and a readable storage medium are provided. The method includes: obtaining an original font file, where the original font file includes an original font; and obtaining a new font file by editing the original font and/or based on the original font and a background picture.
    Type: Application
    Filed: October 21, 2022
    Publication date: February 23, 2023
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Lin CHENG, Qiao LI, Donghui SUN
  • Publication number: 20230049671
    Abstract: A method for fault detection is adapted for a vehicle display fault detection system. The vehicle display fault detection system includes a vehicle system and a display system. The method for fault detection includes following steps: detecting whether a first state of the display system is abnormal or not; when the first state is abnormal, the display system is configured to generate a fault detection signal; classifying to generate a control signal according to the fault detection signal; and adjusting the first state of the display system to a second state.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 16, 2023
    Inventors: Yung-Lin CHENG, Feng-Ming HSU
  • Patent number: 11581955
    Abstract: A transceiving device includes a calibration signal generation unit, a phase adjusting unit, a transmission unit, a receiving unit, and a calibration unit. In a calibration mode, the calibration signal generation unit generates an in-phase (I) test signal and a quadrature (Q) test signal. The phase adjusting unit adjusts the I test signal and the Q test signal to generate an adjusted I test signal and an adjusted Q test signal according to a phase controlling signal. The transmission unit generates a radio frequency (RF) signal according to the adjusted I test signal and the adjusted Q test signal. The receiving unit receives the RF signal so as to generate an I receiving signal and a Q receiving signal. The calibration unit generates the phase controlling signal according to the I test signal, the Q test signal, the I receiving signal, and the Q receiving signal.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 14, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventor: Shin-Lin Cheng
  • Publication number: 20230040509
    Abstract: The present application discloses a multi-channel grid-connected power generation system and a control method therefor, which lowers the system cost while reducing no-load losses of all step-up transformers. Multi-channel energy conversion devices in the system are each connected in parallel, by means of a step-up transformer, to the same collector line, one end of the collector line is connected to the grid by means of a switch device, and the on-off switching of the switch device is controlled by a control unit. The control unit sends a switch-off command to the switch device when same has determined that all of the energy conversion devices have entered a non-operating state.
    Type: Application
    Filed: June 11, 2020
    Publication date: February 9, 2023
    Applicant: SUNGROW POWER SUPPLY CO., LTD.
    Inventors: Guohua XIANG, Lin CHENG, Jie DING, Nianan PAN
  • Patent number: 11574942
    Abstract: A semiconductor device includes a germanium region, a doped region in the germanium region, wherein the doped region is of a first conductivity type; and a counter-doped region in the germanium region and adjacent to the doped region, wherein the counter-doped region is of a second conductivity type different from the first conductivity type.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: February 7, 2023
    Assignee: Artilux, Inc.
    Inventors: Yun-Chung Na, Yen-Cheng Lu, Ming-Jay Yang, Szu-Lin Cheng
  • Patent number: 11573314
    Abstract: The invention discloses an ultra-wideband (UWB) positioning system, UWB base stations (BSs), UWB tags and the operation methods thereof. Because the present invention uses a server aware of the positions of all BSs to determine the BSs that performs distance measurement, and the server assigns different time slots to each BS that performs distance measurement, the present invention can avoid collisions between the BSs in the process of distance measurement. Furthermore, because the tag can select a specific time slot to access the UWB positioning system by monitoring the UWB signals in the air, the present invention can reduce collisions between the tags. By carefully planning the system frames and subframes of the time division multiplexing system, and sophisticatedly arranging the operation timings of the BSs and the tags, the present invention provides practical and stable UWB positioning system, BSs, and tags.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: February 7, 2023
    Assignee: SERNET (SUZHOU) TECHNOLOGIES CORPORATION
    Inventors: Lin Cheng, Cheng-Chao Wang
  • Patent number: 11564020
    Abstract: A radio frequency (RF) beam transmission component having optical inputs and electrical outputs may include a wavelength selective switch (WSS) that has a plurality of optical WSS outputs. Each optical WSS output may be configured to transmit one or more wavelengths of the incoming optical signals. The RF beam transmission component may include a plurality of photodetectors (PD), each photodetector having an optical PD input coupled to one or more of said plurality of optical WSS outputs and a corresponding electrical output of a plurality of PD electrical outputs. The RF beam transmission component may further include a lens that has a plurality of electrical inputs and each electrical input may be electrically coupled to at least one of the plurality of electrical PD outputs. The lens may further have a plurality of electrical lens output ports.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: January 24, 2023
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Mu Xu, Luis Alberto Campos, Zhensheng Jia, Lin Cheng
  • Patent number: 11552831
    Abstract: A method for equalizer correction in a communication network includes (a) obtaining raw equalizer coefficients in a frequency domain, (b) removing time delay from the raw equalizer coefficients to generate corrected equalizer coefficients in a time domain such that a direct current (DC) corrected equalizer coefficient of the corrected equalizer coefficients has a phase of zero, and (c) converting the corrected equalizer coefficients from the time domain to the frequency domain.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: January 10, 2023
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Thomas Holtzman Williams, Luis Alberto Campos, Lin Cheng
  • Publication number: 20230000955
    Abstract: Thrombomodulin functional domains for use in promoting osteoblast functions and bone healing. Methods for stimulating bone regeneration, bone augmentation, treating a bone loss, a bone disorder and/or treating a bone-related disorder are disclosed. The method comprises administering, to a subject in need thereof a therapeutically effective amount of (I); a biologically, active recombinant polypeptide comprising, an amino acid sequence that is at least 80% identical to domains 2 and 3 of human thrombomodulin (TMD23); (II): an isolated polypeptide comprising recombinant TMD23 (rTMD23) or a biologically active recombinant variant thereof; or recombinant TMD23 (rTMD23) or a biologically active recombinant variant thereof, wherein the polypeptide is free of or lacking amino acid residues from domains 4 and 5 of the human thrombomodulin, and further wherein the biologically active variant thereof comprises an amino acid sequence that is at least 80% identical to the TMD23.
    Type: Application
    Filed: December 15, 2020
    Publication date: January 5, 2023
    Inventors: Hua-Lin WU, Tsung-Lin CHENG, Guey-Yurh SHI
  • Patent number: 11544301
    Abstract: The disclosure provides an identification method with multi-type input, which is suitable for multiple type input devices. The identification method includes: capturing a corresponding original data through the input devices, and converting the original data into a plurality of structure units correspondingly. Performing a text integration step, deconstructing a text reference element corresponding to the attributes of the structural units based on the structural units and associated elements thereof, and performing a weight evaluation and reconstruction to generate a candidate content according to the text reference element. Making a decision based on the candidate content, outputting the candidate text as a recommended content when the candidate content includes a unique candidate text, and transmitting it to a corresponding output device. An electronic device using the identification method is also provided.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 3, 2023
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Hao-Yu Hung, Chi-Lin Cheng, Yi-Chi Lai, Tsung-Lun Wu, Ying-Ru Chen, Shih-Xian Yeh
  • Patent number: 11545560
    Abstract: A method for fabricating semiconductor device includes the steps of: forming a gate structure on a substrate; forming a first spacer and a second spacer around the gate structure; forming a recess adjacent to two sides of the second spacer; performing a cleaning process to trim the second spacer for forming a void between the first spacer and the substrate; and forming an epitaxial layer in the recess.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 3, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Wei-Chih Chuang, Chia-Jong Liu, Kuang-Hsiu Chen, Chung-Ting Huang, Chi-Hsuan Tang, Kai-Hsiang Wang, Bing-Yang Jiang, Yu-Lin Cheng, Chun-Jen Chen, Yu-Shu Lin, Jhong-Yi Huang, Chao-Nan Chen, Guan-Ying Wu
  • Publication number: 20220413123
    Abstract: The invention discloses an ultra-wideband (UWB) positioning system, UWB base stations (BSs), UWB tags and the operation methods thereof. Because the present invention uses a server aware of the positions of all BSs to determine the BSs that performs distance measurement, and the server assigns different time slots to each BS that performs distance measurement, the present invention can avoid collisions between the BSs in the process of distance measurement. Furthermore, because the tag can select a specific time slot to access the UWB positioning system by monitoring the UWB signals in the air, the present invention can reduce collisions between the tags. By carefully planning the system frames and subframes of the time division multiplexing system, and sophisticatedly arranging the operation timings of the BSs and the tags, the present invention provides practical and stable UWB positioning system, BSs, and tags.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 29, 2022
    Inventors: LIN CHENG, CHENG-CHAO WANG
  • Publication number: 20220413052
    Abstract: Disclosed is a state estimation method for a power battery formation process based on convex space filtering, belonging to the technical field of power battery manufacturing. The method performs state estimation on a time delay system by a filtering method, and an iterative replacement method is provided for converting the state quantity at a time k to the state quantity at a time k?h and subsequent items, so as to combine time delay items, thereby avoiding the problem that the dimension is increased when a state matrix A and a state matrix Ah of a time-delay state quantity are subsequently combined into a new state matrix, and reducing the computation complexity and computation time in subsequent computations. Moreover, the estimation accuracy is also improved to a certain extent because of the cancellation of the same items in the iterative replacement.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 29, 2022
    Inventors: Ziyun WANG, Yan WANG, Nanjiang LI, Zhicheng JI, Yacong ZHAN, Yuqian CHEN, Zimeng ZHANG, Lin CHENG, Weijie SHI, Yinquan YU, Leiting HUO
  • Patent number: 11533105
    Abstract: A method is provided for calibrating a terminal device connected to a transmission line containing an impairment. The method includes steps of obtaining a sequence of frequency domain samples for a digital signal transmitted to the terminal device, determining a reflection coefficient from the obtained frequency domain sequence and a reflection signal arising from the impairment, converting the sequence of frequency domain samples and the frequency domain reflection signal into the time domain to generate a complex time domain sample sequence having a real I time component and an imaginary Q time component, correcting the time domain sample sequence into a corrected time sequence having a phase value of the Q component corresponding to a phase value of the I component, calculating a correcting spin coefficient from the corrected time sequence, and calibrating the terminal device with the correcting spin coefficient to mitigate a rotation of the reflection coefficient.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: December 20, 2022
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Thomas Holtzman Williams, Lin Cheng
  • Patent number: 11525069
    Abstract: Durable, anti-fouling, crosslinked zwitterionic coatings that are grafted to the surface of a substrate through covalent bonding are disclosed. When exposed to a light source, zwitterionic monomers react with a crosslinker and with activated radicals at the surface of the substrate, simultaneously forming the crosslinked zwitterionic coating and anchoring it to the surface of the substrate. Photomasking techniques can be used to micropattern the zwitterionic coatings. The zwitterionic coatings can be applied to a variety of substrates, including medical devices and systems.
    Type: Grant
    Filed: June 24, 2017
    Date of Patent: December 13, 2022
    Assignee: UNIVERSITY OF IOWA RESEARCH FOUNDATION
    Inventors: Elise Lin Cheng, C. Allan Guymon, Marian R. Hansen, Braden Leigh
  • Patent number: 11493589
    Abstract: The present invention discloses a positioning tag operation method includes the steps outlined below. The positioning tag is set in an initializing state to select an available positioning time interval within each positioning periods as a selected positioning time interval and broadcast a connection request signal therein. A time synchronization signal is received from a base station of the positioning system. The time synchronization signal includes information of an assigned positioning time interval corresponding to the positioning tag within each of the positioning periods is determined by the positioning tag, so as to set the positioning tag in a positioning state accordingly and stop receiving the time synchronization signal.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: November 8, 2022
    Assignee: SERCOMM CORPORATION
    Inventor: Lin Cheng
  • Patent number: 11486998
    Abstract: The invention discloses an ultra-wideband (UWB) positioning system, UWB base stations (BSs), UWB tags and the operation methods thereof. Because the present invention uses a server aware of the positions of all BSs to determine the BSs that performs distance measurement, and the server assigns different time slots to each BS that performs distance measurement, the present invention can avoid collisions between the BSs in the process of distance measurement. Furthermore, because the tag can select a specific time slot to access the UWB positioning system by monitoring the UWB signals in the air, the present invention can reduce collisions between the tags. By carefully planning the system frames and subframes of the time division multiplexing system, and sophisticatedly arranging the operation timings of the BSs and the tags, the present invention provides practical and stable UWB positioning system, BSs, and tags.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 1, 2022
    Assignee: SERNET (SUZHOU) TECHNOLOGIES CORPORATION
    Inventors: Lin Cheng, Cheng-Chao Wang
  • Publication number: 20220343871
    Abstract: The disclosure provides a display equipment, a brightness compensation device, and a brightness compensation method. The brightness compensation device includes a variable refresh rate (VRR) detection circuit and a control circuit. The VRR detection circuit and the control circuit receive a video stream from a video source device, and the video stream includes a VRR video frame. The VRR detection circuit detects a blanking period of the VRR video frame and generates a detection result. The control circuit outputs the frame data of the VRR video frame to the display device during the valid data period of the VRR video frame. The control circuit repeatedly outputs the frame data of the VRR video frame to the display device during the blanking period of the VRR video frame according to the detection result until the blanking period ends.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 27, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Po-Hsiang Huang, Chia-Hsing Hou, Yu-Lin Cheng, Chung-Wen Wu
  • Patent number: 11482553
    Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes at least one pixel, and each pixel includes N subpixels, wherein each of the subpixels comprises a detection region, two first conductive contacts, wherein the detection region is between the two first conductive contacts, wherein N is a positive integer and is ?2.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: October 25, 2022
    Assignee: Artilux, Inc.
    Inventors: Szu-Lin Cheng, Chien-Yu Chen, Shu-Lu Chen, Yun-Chung Na, Ming-Jay Yang, Han-Din Liu, Che-Fu Liang
  • Patent number: D974166
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: January 3, 2023
    Inventor: Lin Cheng