Patents Assigned to National Chung Cheng University
  • Patent number: 11962949
    Abstract: A method of performing air pollution estimation is provided. The method is to be implemented using a processor of a computer device and includes: generating a spectral image based on an original color image of an environment under test using a spectral transformation matrix; supplying the spectral image as an input into an estimating model for air pollution estimation; and obtaining an estimation result from the estimating model indicating a degree of air pollution of the environment under test.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: April 16, 2024
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Chia-Cheng Huang, Ting-Chun Men
  • Patent number: 11928842
    Abstract: A method of measuring chromaticity of a target object is implemented using a computer device that stores a plurality of light source spectrum datasets each associated with a specific object. The method includes: obtaining a captured color image of the target object; generating a spectral image based on the captured color image using a spectral transformation matrix; obtaining one of the plurality of light source spectrum datasets that is associated with the target object; and calculating a chromaticity dataset of the target object based on the spectral image and the one of the plurality of light source spectrum datasets.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: March 12, 2024
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Yu-Ming Tsao, Yu-Lin Liu
  • Publication number: 20240044766
    Abstract: A normal incident guided-mode-resonance biosensor and procalcitonin detection method using the same are provided and include a light source, a first lens, a polarizer, a beam splitter, a ¼? wave plate, a second lens, a detection unit, and a processing unit. The light source provides a light beam. The first lens converts the light beam into a parallel light. The polarizer filters and removes a transverse electric field mode light wave in the parallel light. The beam splitter selectively forms a transverse magnetic field mode light wave in the parallel light. The ¼? wave plate rotates the transverse magnetic field mode light wave in the parallel light by 45°. The second lens focuses the transverse magnetic field mode light wave to the bio-sensing chip. The detection unit receives an emitted light of the bio-sensing chip and generates a sensing signal.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 8, 2024
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: GUO-EN CHANG, LAI-KWAN CHAU, YEN-SONG CHEN, CHIA-JUI HSIEH
  • Publication number: 20240044789
    Abstract: A planar waveguide-based optofluidic sensor and use thereof are provided, wherein the optofluidic sensor includes a substrate, an adhesive layer, a waveguide plate, and a microfluidic module layer. The adhesive layer is disposed on both sides of the substrate, the waveguide plate s disposed on the adhesive layer to be bonded with the substrate, and a hollow gap is formed between the substrate and the waveguide plate by the adhesive layer, and the microfluidic module layer is disposed on the waveguide plate and has a microfluidic channel, a fluid sample injection port, and an output port. The optofluidic sensor may detect the refractive index of the fluid sample with high sensitivity.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 8, 2024
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: GUO-EN CHANG, LAI-KWAN CHAU, DEVESH BARSHILIA, CHIA-JUI HSIEH
  • Publication number: 20240027185
    Abstract: A method for measuring a thickness of a thin film layer disposed on a piece of glass is implemented using a computer device that stores a thin film image of the thin film layer, a surface dataset associated with a surface of the thin film layer, and a plurality of reference parameter sets each being associated with a specific thickness of the thin film layer, the method including: generating a spectral image dataset that includes spectral data associated with different pixels of the thin film image using a spectral transformation matrix; performing regression analysis on the surface dataset and the spectral image dataset, so as to obtain a thickness parameter set including a plurality of thickness parameters; and determining a thickness of the thin film layer using the thickness parameter set and the plurality of reference parameter sets.
    Type: Application
    Filed: October 27, 2022
    Publication date: January 25, 2024
    Applicant: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Yu-Yang Chen, Yu-Ming Tsao, Yu-Lin Liu, Ching-Yi Huang
  • Publication number: 20240023499
    Abstract: A reciprocating aquaponic device includes a housing, a bell-shaped siphon, and a water pump. The housing defines a water inlet space, and a tidal space and a planting space in fluid communication with the water inlet space. The housing includes a mounting wall over the tidal space, and an inclined wall under the tidal space. The inclined wall is inclined downward toward the planting space. The bell-shaped siphon is dispose on the mounting wall and is disposed for moving water from the water inlet space through the siphon opening and into the tidal space. The water pump is disposed in the fish tank for drawing water from the fish tank into the water inlet space.
    Type: Application
    Filed: December 8, 2022
    Publication date: January 25, 2024
    Applicant: National Chung Cheng University
    Inventors: Shi-Ming Huang, Chih-Yuan Kuo, Yi-Feng He
  • 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
  • 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
  • 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: 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: 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
  • Patent number: 11697771
    Abstract: A system for producing biomass vinegar and charcoal includes a furnace, which has an outer shell defining a lower combustion chamber and an upper heating chamber, and an inner tank removably received in the heating chamber. A cooling pond has a cooling region to accommodate the inner tank. A condenser in a collection barrel condenses smoke gases from the inner tank to produce biomass vinegar. A first temperature sensing pipeline removably connects the inner tank, After the biomass is carbonized, the first temperature sensing pipeline is removed from the inner tank, and the inner tank is moved to the cooling region to be cooled by a sprinkler.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: July 11, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Shi-Ming Huang, Chih-Yuan Kuo
  • Patent number: 11621479
    Abstract: An electromagnetic wave transmission structure adapted to cause convergence of an electromagnetic wave includes a substrate and a transmission unit provided on the substrate and including an annular metal plate. The annular metal plate has a weighted average inner radius and a weighted average outer radius each related to the wavelength of the electromagnetic wave, the distance between the electromagnetic wave transmission structure and a focal point defined as the point of convergence of the electromagnetic wave, and the distance between the source of the electromagnetic wave and the focal point. The plural inner and outer radii of the annular metal plate have the same trend of variation. Each inner or outer radius corresponds to a weight related to the reference included angle formed between the inner or outer radius and a reference axis.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: April 4, 2023
    Assignee: National Chung Cheng University
    Inventors: Sheng-Fuh Chang, Chia-Chan Chang, Shih-Cheng Lin, Yuan-Chun Lin
  • Patent number: 11591221
    Abstract: This present invention provides a microporous carbon nanospheres, method for synthesizing and activating thereof, the method comprising: adding and mixing well deionized water, absolute ethanol, triblock copolymer, ammonia solution, resorcinol and formaldehyde solution; separating solid and liquid of the mixture solution, then drying the separated solid substrate to have a dried solid substrate; sintering the dried solid substrate surrounding by nitrogen twice and collecting microporous carbon nanospheres after cooling down. Further sintering to activate these microporous carbon nanospheres surrounding by carbon dioxide, and collecting activated microporous carbon nanospheres after cooling down. Microporous carbon nanospheres and activated microporous carbon nanospheres synthesized by this present invention have spherical structure, small size and high the specific surface area, and the process is simplified, cost-effective and environment-friendly.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: February 28, 2023
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Yuan-Yao Li, Cheng-Yen Tsai, Li-Ming Chiang
  • Patent number: 11580637
    Abstract: The present application related to a method for detecting an object image using a convolutional neural network. Firstly, 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 sample image, the detected object image 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 detected object image.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 14, 2023
    Assignee: National Chung Cheng University
    Inventors: Hsiang-Chen Wang, Hao-Yi Syu, Tsung-Yu Yang, Yu-Sheng Chi