Patents Assigned to In Chung
  • Patent number: 11817863
    Abstract: According to an exemplary embodiment of the present disclosure, a fractional-N sub-sampling phase locked loop using a phase rotator includes a frequency locked loop which is locked at a fractional-N frequency using a delta-signal modulator and a sub-sampling phase locked loop which locks a phase to a fractional multiple using a phase rotator, and the phase rotator applies a fractional multiple to a phase of a signal output from the oscillator.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: November 14, 2023
    Assignee: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Donghyun Baek, Gwang Sub Kim
  • Patent number: 11810300
    Abstract: This application provides a method for detecting images of testing object using hyperspectral imaging. Firstly, obtaining a hyperspectral imaging information according to a reference image, hereby, obtaining corresponded hyperspectral image from an input image and obtaining corresponded feature values for operating Principal components analysis to simplify feature values. Then, obtaining feature images by Convolution kernel, and then positioning an image of an object under detected by a default box and a boundary box from the feature image. By Comparing with the esophageal cancer sample image, the image of the object under detected is classifying to an esophageal cancer image or a non-esophageal cancer image. Thus, detecting an input image from the image capturing device by the convolutional neural network to judge if the input image is the esophageal cancer image for helping the doctor to interpret the image of the object under detected.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: November 7, 2023
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Tsung-Yu Yang, Yu-Sheng Chi, Ting-Chun Men
  • Publication number: 20230338898
    Abstract: A paper-based micro-concentrator includes a bearing substrate, a fluid reservoir unit, a filter paper, an external electric field, an ion exchange membrane and a magnet. The fluid reservoir unit includes a first buffer solution tank and a second buffer solution tank, which are interval disposed on the bearing substrate. The filter paper is disposed on the bearing substrate, and two ends of the filter paper are respectively placed in the first buffer solution tank and the second buffer solution tank. The external electric field includes a cathode and an anode, which are respectively placed in the first buffer solution tank and the second buffer solution tank. The ion exchange membrane is disposed on the filter paper and close to the first buffer solution tank. The magnet is movably disposed under the bearing substrate.
    Type: Application
    Filed: July 19, 2022
    Publication date: October 26, 2023
    Applicant: National Chung Cheng University
    Inventors: Shau-Chun Wang, Lai-Kwan Chau, Jia-Jie Lin, Yuan-Yu Chen, Ya-Chuan Chen
  • Publication number: 20230330907
    Abstract: A mold apparatus including a mold, a bearing structure, and a sensing module is provided. The mold has a cavity. The sensing module includes a temperature sensor and a pressure sensor. The temperature sensor has a sensing portion and an abutting portion. The sensing portion is located in the mold and corresponds to a position in the cavity, and the abutting portion is located in the bearing structure. The pressure sensor is disposed in the bearing structure and corresponds to the abutting portion. The abutting portion is adapted to abut against the pressure sensor by a pressure of the position in the cavity.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 19, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Shia-Chung Chen, Yung-Hsiang Chang, Yan-Xiang Liang, Yu-Hung Ting
  • Publication number: 20230330904
    Abstract: A mold apparatus including a mold, a cooling flow path, and a sensing module is provided. The mold has a cavity. The sensing module is adapted to sense at least one of a temperature and a pressure in the cavity. The sensing module is surrounded by the cooling flow path.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 19, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Shia-Chung Chen, Yung-Hsiang Chang, Yan-Xiang Liang, Yu-Hung Ting
  • Patent number: 11786892
    Abstract: A catalyst structure is provided. The catalyst structure includes a porous carrier and a plurality of layered hydroxides. The porous carrier includes a nitrogen-doped carbon framework, a plurality of metal oxide particles and a plurality of carbon nanotubes. The nitrogen-doped carbon framework has a plurality of pores. The metal oxide particles are uniformly dispersed in the pores of the nitrogen-doped carbon framework. The carbon nanotubes are located on a surface of the nitrogen-doped carbon framework, and one end of each of the carbon nanotubes is connected to the surface of the nitrogen-doped carbon framework. The layered hydroxides are coated on the surface of the nitrogen-doped carbon framework.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: October 17, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Yuan-Yao Li, Ta-En Ko
  • Publication number: 20230326221
    Abstract: Disclosed herein are a system for identifying cells on a microscopic image. According to some embodiments, the system comprises a non-transitory processor-readable medium, and a processor communicably configured to receive the microscopic image, and process the received microscopic image with a convolutional neural network (CNN) model having a modified U-Net architecture. Also disclosed herein are methods for identifying a spatial pattern of human induced pluripotent stem cells (hiPSCs) by using the present system.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Applicants: Chung Yuan Christian University, RIKEN
    Inventors: Slo-Li CHU, Kuniya ABE, Hideo YOKOTA, Ming-Dar TSAI
  • Publication number: 20230327212
    Abstract: A lithium battery includes a positive electrode, wherein the positive electrode includes a positive electrode sheet and a protective layer. The positive electrode sheet includes an active substance, a conductive additive, a binder, a current collector, or a combination thereof. The protective layer is disposed on the positive electrode sheet. A material of the protective layer is titanium nitride. A manufacturing method of a lithium battery is also provided.
    Type: Application
    Filed: May 24, 2022
    Publication date: October 12, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Wei-Jen Liu, Tzu-Hsin Tseng
  • Patent number: 11784703
    Abstract: A system for diffraction of an electromagnetic wave includes a substrate, a transmission unit, and a plurality of antennas. The substrate is made of a second medium. The transmission unit is disposed on the substrate. The transmission unit has a plurality of transmission lines. Each of the transmission lines has a transmission line length that is associated with a first medium operation wavelength that is associated with an operation frequency. The transmission lines are connected successively. The antennas are disposed on the substrate, respectively.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: October 10, 2023
    Assignee: National Chung Cheng University
    Inventors: Sheng-Fuh Chang, Chia-Chan Chang, Shih-Cheng Lin, Yuan-Chun Lin
  • Patent number: 11776621
    Abstract: A memory device and an operation method thereof is disclosed. The memory device includes a SRAM cell and a power supply assist circuit connected to the SRAM cell. The power supply assist circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, and a fifth transistor. The first transistor receives a power supply voltage. The control terminals of the first transistor and the second transistor are connected to each other. The third transistor switches, in response to a first control signal, to connect the control terminal and the connect terminal of the second transistor. The fourth transistor switches, in response to a second control signal, to drive the control terminal of the second transistor to a system ground voltage. The fifth transistor switches, in response to a third control signal, to drive the control terminal of the first transistor to the power supply voltage.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: October 3, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Jinn Shyan Wang, Chien Tung Liu, Chih Jung Liu
  • Patent number: 11777225
    Abstract: A method of manufacturing an electromagnetic wave reflecting structure includes the steps of presetting an operating frequency, a reflected wave pointing angle, an incident wave pointing angle, and an incident distance of an electromagnetic wave; obtaining an electromagnetic wave reflecting structure phase distribution of an electromagnetic wave reflecting structure according to the operating frequency, the reflected wave pointing angle, the incident wave pointing angle, and the incident distance; and arranging a plurality of reflecting elements on a substrate according to the electromagnetic wave reflecting structure phase distribution and a reflecting element phase curve of any one of the reflecting elements at the operating frequency.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: October 3, 2023
    Assignee: National Chung Cheng University
    Inventors: Sheng-Fuh Chang, Chia-Chan Chang, Shih-Cheng Lin, Wei-Yang Chen, Yu-Cheng Lin
  • Patent number: 11769347
    Abstract: An eye center localization method includes performing an image sketching step, a frontal face generating step, an eye center marking step and a geometric transforming step. The image sketching step is performed to drive a processing unit to sketch a face image from the image. The frontal face generating step is performed to drive the processing unit to transform the face image into a frontal face image according to a frontal face generating model. The eye center marking step is performed to drive the processing unit to mark a frontal eye center position information on the frontal face image. The geometric transforming step is performed to drive the processing unit to calculate two rotating variables between the face image and the frontal face image, and calculate the eye center position information according to the two rotating variables and the frontal eye center position information.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: September 26, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Wei-Yen Hsu, Chi-Jui Chung
  • Patent number: 11768112
    Abstract: An insert coaxial thermal radiation image evaluating system includes a cage support, first lens, first cage movable frame, second cage movable frame, cage holder and light detector. The first cage movable frame is movably disposed at the cage support and connected to the first lens. The second cage movable frame is movably disposed at the cage support and connected to the light detector. The cage holder is connected to the cage support to fix the cage support to an optical substrate. The first cage movable frame is movably disposed in the cage holder. The first lens and a second lens of a metal additive manufacturing system together form a structure of conjugate foci, such that a thermal radiation generated from a high-power infrared laser irradiation zone forms according to a fixed ratio an image captured by the light detector.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: September 26, 2023
    Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yuan-Yao Lin, Chao-Kuei Lee, Yi-Jen Chiu, Chung-Chun Huang, Qian-Mao Zhou, Ya-Hsuan Cheng, Ming-Wei Liu, Kuo-Kuang Jen, Chih-Peng Chen
  • Publication number: 20230300046
    Abstract: A packet information analysis method and a network traffic monitoring device are disclosed. The method includes the following. Network flow data including a plurality of network packets is obtained. An index parameter is generated according to packet information (e.g., header information) of the first network packet among the network flow. A target mapping model is determined from a plurality of candidate mapping models according to the index parameter. The index parameter is between a first sampling point and a second sampling point of the target mapping model. An interpolation mapping value is obtained according to the index parameter, the first sampling point, the second sampling point, and the target mapping model. An evaluation value is obtained according to the interpolation mapping value. The evaluation value reflects a distribution status of a monitoring item in the network traffic flows.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 21, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Yu-Kuen Lai, Cheng-Lin Tsai, Kai-Po Chang
  • Patent number: 11761829
    Abstract: A sensor placement optimization device is provided, which may include a preprocessing circuit and an operational circuit. The preprocessing circuit may perform a pre-process for the sensing signals of a plurality of temperature sensors, installed on a machine tool, to generate a pre-processed data. The operational circuit may execute a normalization for the pre-processed data to generate a normalized data, perform a principal component analysis for the normalized data to generate a dimensionality-reduced data and implement a principal component regression for the dimensionality-reduced data to obtain the contributions of the temperature sensors. Then, the operational circuit may rank the temperature sensors according to the contributions thereof to generate a ranking result and execute a screening process according to the ranking result to select at least one redundant sensor from the temperature sensors; afterward, the operational circuit may remove the redundant sensor from the temperature sensors.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 19, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Chih-Chun Cheng, Wen-Nan Cheng, Ping-Chun Tsai, Shao-Rong Su, Yao-Huan Lei, Wei-Jen Chen
  • Patent number: 11761961
    Abstract: A biosensing chip is provided, including a substrate having a photoelectric conversion material, and an electrode disposed on the substrate and including two contact portions and an electrode pattern, wherein the photoelectric conversion material is a monocrystalline silicon material, and the electrode pattern includes micro-electrodes in the form of interdigitated sawtooth. The biosensing chip and the method using the same may distinguish a lesion site of cancer cells and the degree of cancer lesions.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Hsiang-Chen Wang, Chun-Ping Jen, Hong-Wei Fan, Shin-Che Wang
  • Patent number: 11758091
    Abstract: Provided is a food monitoring apparatus including at least one light source configured to selectively radiate light of a first wavelength band and light of a second wavelength band that is different from the first wavelength band to food, at least one image sensor configured to obtain a visible image of the food and a hyperspectral image of the food based on light scattered, emitted, or reflected from the food, and at least one processor configured to obtain first information of the food based on the visible image, and to obtain second information of the food based on the first information and the hyperspectral image.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: September 12, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHUNG ANG University Industry Academic Cooperation Foundation
    Inventors: Suyeon Lee, Jeongsu Han, Unjeong Kim, Hyungbin Son, Junhoe Choi
  • Publication number: 20230278012
    Abstract: Disclosed herein are methods of producing photocatalysts for degrading NOx. According to some embodiments of the present disclosure, the method comprises mixing a transitional metal or its oxide with a bone powder or a shell powder, followed by heating the mixture for a least 12 hours to dehydrate the mixture, and calcinating the dehydrated product for 1-5 hours. Also disclosed herein are methods of degrading NOx by using the thus-produced photocatalysts. Materials used doped with the transitional metal or its oxide are bone powder and shell powder, which is derived from animals (a chicken, a cow, a pig, a duck, a sheep, a donkey, or a horse) and shells from different species of sea water (a shrimp, a crab, a clam, a barnacle, a snail, an abalone, or an oyster), respectively.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 7, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Ya-Fen WANG, Sheng-Jie YOU, Christianson Raynard SANITO
  • Patent number: 11741968
    Abstract: A personalized voice conversion system includes a cloud server and an intelligent device that communicates with the cloud server. The intelligent device upstreams an original voice signal to the cloud server. The cloud server converts the original voice signal into an intelligible voice signal based on an intelligible voice conversion model. The intelligent device downloads and plays the intelligible voice signal. Based on the original voice signal and the corresponding intelligible voice signal, the cloud server and the intelligent device train an off-line voice conversion model provided to the intelligent device. When the intelligent device stops communicating with the cloud server, the intelligent device converts a new original voice signal into a new intelligible voice signal based on the off-line voice conversion model and plays the new intelligible voice signal.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 29, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Tay Jyi Lin, Yu Chia Hu, Yi-Hsuan Ting, Ching Wei Yeh, Jinn-Shyan Wang
  • Publication number: 20230265150
    Abstract: The present invention provides a fusion protein, comprising a chemokine polypeptide, which is a chemokine or a receptor binding domain thereof; and a cytokine polypeptide connected to said chemokine polypeptide, which is an interleukin, a TNF-superfamily cytokine or a receptor-binding domain thereof; wherein the chemokine polypeptide and the cytokine polypeptide have a common target cell, and the fusion protein has an improved chemokine activity as compared to the chemokine polypeptide, and an improved cytokine activity as compared to the cytokine polypeptide.
    Type: Application
    Filed: March 17, 2023
    Publication date: August 24, 2023
    Applicant: NATIONAL CHUNG HSING UNIVERSITY
    Inventors: Shiow-Her CHIOU, Kuan-Chih CHOW, Jui-Hung SHIEN, Yi-Hsin FAN, Pei-Hua LIN, Pei-Shan WU