Patents Assigned to Chung Yuan Christian University
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Publication number: 20230327212Abstract: 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: ApplicationFiled: May 24, 2022Publication date: October 12, 2023Applicant: Chung Yuan Christian UniversityInventors: Wei-Jen Liu, Tzu-Hsin Tseng
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Publication number: 20230300046Abstract: 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: ApplicationFiled: May 20, 2022Publication date: September 21, 2023Applicant: Chung Yuan Christian UniversityInventors: Yu-Kuen Lai, Cheng-Lin Tsai, Kai-Po Chang
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Publication number: 20230278012Abstract: 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: ApplicationFiled: March 4, 2022Publication date: September 7, 2023Applicant: Chung Yuan Christian UniversityInventors: Ya-Fen WANG, Sheng-Jie YOU, Christianson Raynard SANITO
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Publication number: 20230208434Abstract: A filter system includes: a first mixer, converting an input signal into a first signal according to a reference frequency signal, wherein the reference frequency signal corresponding to a target frequency band; an analog-to-digital converter, coupled to the first mixer, converting the first signal into a first digital signal; a digital filter, coupled to the analog-to-digital converter, filtering the first digital signal according to a first frequency band and generating a second digital signal, wherein the first frequency band corresponding to the first signal; a digital-to-analog converter coupled to the digital filter, converting the second digital signal into a second signal; and a second mixer, coupled to the digital-to-analog converter, converting the second signal into an output signal according to the reference frequency signal, wherein the output signal corresponds to the input signal filtered by the target frequency band.Type: ApplicationFiled: November 11, 2022Publication date: June 29, 2023Applicants: Dynami Vision Ltd., Chung Yuan Christian UniversityInventors: Shih-Lun Chen, Tsun-Kuang Chi, Chien-Rung Huang, Hsiao-Chi Chen
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Patent number: 11654603Abstract: An injection molding apparatus including a mold, an injection device and at least one sensor is provided. The mold has a mold cavity. The injection device is adapted to inject a material into the mold cavity such that the material is formed into a forming article. The at least one sensor is disposed on the mold and adapted to sense at least one of a temperature and a pressure in the mold cavity. The at least one sensor is located at an inner surface of the mold cavity and corresponds to a non-appearance surface of the forming article. In addition, an injection molding method is also provided.Type: GrantFiled: September 22, 2020Date of Patent: May 23, 2023Assignee: Chung Yuan Christian UniversityInventors: Shia-Chung Chen, Yung-Hsiang Chang, Tzu-Hsiang Wei, Pi-Lin Tsai
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Patent number: 11658675Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.Type: GrantFiled: November 22, 2021Date of Patent: May 23, 2023Assignee: Chung Yuan Christian UniversityInventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
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Publication number: 20230108759Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.Type: ApplicationFiled: November 22, 2021Publication date: April 6, 2023Applicant: Chung Yuan Christian UniversityInventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
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Patent number: 11606278Abstract: A packet information analysis method suitable for a device measuring and monitoring network traffic in real-time. The method includes: obtaining network data including a combination of multiple network packet header information; generating an index parameter according to packet header information of a monitored network packet in the network packets; querying at least one reference table according to the index parameter to obtain a first reference value and an offset correction value corresponding to the index parameter in the at least one reference table; obtaining a second reference value according to the first reference value and the offset value; and obtaining an evaluation value according to the second reference value. The evaluation value reflects the distribution status of a measuring and monitoring item in the network packets.Type: GrantFiled: June 16, 2021Date of Patent: March 14, 2023Assignee: Chung Yuan Christian UniversityInventors: Yu-Kuen Lai, Po-Yu Huang
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Publication number: 20220272016Abstract: A packet information analysis method suitable for a device measuring and monitoring network traffic in real-time. The method includes: obtaining network data including a combination of multiple network packet header information; generating an index parameter according to packet header information of a monitored network packet in the network packets; querying at least one reference table according to the index parameter to obtain a first reference value and an offset correction value corresponding to the index parameter in the at least one reference table; obtaining a second reference value according to the first reference value and the offset value; and obtaining an evaluation value according to the second reference value. The evaluation value reflects the distribution status of a measuring and monitoring item in the network packets.Type: ApplicationFiled: June 16, 2021Publication date: August 25, 2022Applicant: Chung Yuan Christian UniversityInventors: Yu-Kuen Lai, Po-Yu Huang
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Publication number: 20220272450Abstract: A design method for feedforward active noise control (ANC) system using analog filter. In which, at least one noise collecting system is adopted for collecting a real environmental noise for obtaining a reference signal and a target signal. According to the reference signal and the target signal, a first adaptive system identifying unit is enabled to complete a system identification process for producing a first adaptive filter. After that, a second adaptive system identifying unit is enabled to complete a system identification process based on the reference signal, the target signal and the first adaptive filter for producing a second adaptive filter. After the second adaptive filter is converted to a low-order digital filter, the digital filter is further converted to a physical analog filter circuit. Consequently, a feedforward ANC system comprising the physical analog filter circuit, a pre-amplifier unit, a reference microphone, and a mixer is established.Type: ApplicationFiled: May 6, 2021Publication date: August 25, 2022Applicant: Chung Yuan Christian UniversityInventors: Cheng-Yuan Chang, Sen-Maw Kuo, Wei Hsu
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Publication number: 20220196673Abstract: Disclosed herein are recombinant baculoviruses suitable for detecting the presence of arthropod-borne viruses in a biological sample of a test subject. The information derived from the detection may also be used to render a diagnosis on whether the test subject is infected with the arthropod-borne viruses or not, so that proper course of treatment may be assigned to the subject.Type: ApplicationFiled: March 9, 2022Publication date: June 23, 2022Applicant: Chung Yuan Christian UniversityInventors: Tzong-Yuan WU, Szu-Cheng KUO, Pei-Yun SHU, Chang-Chi LIN, Der-Jiang CHIAO, Ying-Ju CHEN, Yi-Ting LIN, Shu-Fen CHANG, Chien-Ling SU
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Patent number: 11367427Abstract: A design method for feedforward active noise control system is disclosed. Based on a target signal and a reference signal, a first adaptive system identifying unit is enabled to complete a first system identification process for producing a first adaptive filter, and then a second adaptive system identifying unit is enabled to complete a second system identification process for producing a second adaptive filter. After the second adaptive filter is converted to a digitally-controlled filter by using a system identification tool, the digitally-controlled filter is implemented into a DSP chip of a feedforward active noise control system. As a result, it is able to find that not only the computing loading of the DSP chip is significantly lowered while an adaptive algorithm executes an active noise control computing, but also the feedforward active noise control system exhibits a broad frequency bandwidth noise cancelling ability.Type: GrantFiled: May 6, 2021Date of Patent: June 21, 2022Assignee: Chung Yuan Christian UniversityInventors: Cheng-Yuan Chang, Sen-Maw Kuo, Chong-Rui Huang
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Publication number: 20220133188Abstract: A topical subcutaneous microcirculation detection device includes a first light source module, a second light source module, a lens plate, a first light sensor, and a second light sensor. The first and second light source modules are configured to emit first and second illumination beams, respectively. A flat plate portion of the lens plate is disposed to lean against a first portion of skin of a subject. A convex surface of a first convex lens portion of the lens plate is disposed to push into a second portion of the skin of the subject. The first and second illumination beams are reflected into first and second reflected beams by the first and second portions of the skin, respectively. The first and second reflected beams are transmitted to the first and second light sensors, respectively.Type: ApplicationFiled: October 15, 2021Publication date: May 5, 2022Applicant: Chung Yuan Christian UniversityInventors: Kang-Ping Lin, Cheng Lun Tsai, Shao-Hung Lu, Mei-Fen Chen
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Publication number: 20220111572Abstract: The disclosure provides an injection molding apparatus, including a mold unit, an injecting unit, and a counter pressure unit. The mold unit is adapted to provide a first cavity and a second cavity. The injecting unit is adapted to inject a first material into the first cavity to form a first molded object. The second cavity is adapted to accommodate the first molded object. The injecting unit is adapted to inject a second material into the second cavity to form a second molded object, such that the first molded object and the second molded object in the second cavity are combined. The second material is a foaming material. And the counter pressure unit is adapted to provide gas into the second cavity to increase the pressure in the second cavity.Type: ApplicationFiled: March 4, 2021Publication date: April 14, 2022Applicant: Chung Yuan Christian UniversityInventors: Shia-Chung Chen, Yung-Hsiang Chang, Che-Wei Chang, Pi-Lin Tsai
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Publication number: 20220111032Abstract: The present invention is directed to novel immunogenic compositions that protect swine from disease caused by porcine epidemic diarrhea virus (PEDV). The compositions of the invention provide virus-like particles (VLPs) whose effectiveness is enhanced by the selection of preferred adjuvants.Type: ApplicationFiled: October 8, 2020Publication date: April 14, 2022Applicants: Chung Yuan Christian University, Academia SinicaInventors: Tzong-Yuan WU, Ming-Hao CHANG, Hui-Wen CHANG, Yu-Chan CHAO, Wei-Ting HSU
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Patent number: 11294632Abstract: A multiplication accumulating device and a method thereof are provided. The multiplication accumulating device includes a product generator, a plurality of registers, a product reducer, and an adder. The product generator performs a product operation on a multiplicand and a multiplier to generate a product result of 2N?1 columns. The product reducer is used to append data from a portion of the plurality of registers to the columns in the product result to generate an appending result of 2N?1 columns. The product reducer performs a reduction operation on the appending result according to a column height of each column in the appending result to obtain a reduced result. The product reducer renews the data in the plurality of registers according to the reduced result. The adder adds the data in the plurality of registers according to an accumulation signal to generate a multiplication accumulating operation result.Type: GrantFiled: April 29, 2020Date of Patent: April 5, 2022Assignee: Chung Yuan Christian UniversityInventors: Shih-Hsu Huang, Che-Wei Tung
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Publication number: 20220040897Abstract: An injection molding apparatus including a mold, an injection device and at least one sensor is provided. The mold has a mold cavity. The injection device is adapted to inject a material into the mold cavity such that the material is formed into a forming article. The at least one sensor is disposed on the mold and adapted to sense at least one of a temperature and a pressure in the mold cavity. The at least one sensor is located at an inner surface of the mold cavity and corresponds to a non-appearance surface of the forming article. In addition, an injection molding method is also provided.Type: ApplicationFiled: September 22, 2020Publication date: February 10, 2022Applicant: Chung Yuan Christian UniversityInventors: Shia-Chung Chen, Yung-Hsiang Chang, Tzu-Hsiang Wei, Pi-Lin Tsai
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Publication number: 20210323207Abstract: An injection molding apparatus includes a mold, an injection device, a porous structure, and a gas-driven unit. The mold has a mold cavity. The injection device is adapted to inject a material into the mold cavity so that the material is formed into a forming article. The porous structure is disposed on an inner surface of the mold cavity and corresponds to a non-appearance surface of the forming article. The gas-driven unit is connected to the mold and is adapted to drive a gas to flow into or flow out of the mold cavity through the porous structure. In addition, an injection molding method is also provided.Type: ApplicationFiled: June 4, 2020Publication date: October 21, 2021Applicant: Chung Yuan Christian UniversityInventors: Shia-Chung Chen, Yung-Hsiang Chang, Che-Wei Chang, Pi-Lin Tsai
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Patent number: 11094065Abstract: A method and a system are provided for automatically delineating a striatum in a nuclear medicine brain image and calculating a striatum specific uptake ratio. In the method, initially, a target image is obtained. Then, the target image is projected to a space coordinate to generate a projection amount; an upper end and a lower end of a brain are obtained; and a preset range from the upper to the lower ends is set as a striatum slice area in the target image. A brain area is determined from the target image by a line detection method. Then, a brain volume template is deformed according to the brain area and the striatum slice area, so that a striatum in the brain volume template corresponds to the target image to delineate a striatum region of the target image. Finally, a specific uptake ratio of the striatum region can be calculated.Type: GrantFiled: April 5, 2020Date of Patent: August 17, 2021Assignee: Chung Yuan Christian UniversityInventors: Wen-Chen Lin, Kang-Ping Lin
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Publication number: 20210110544Abstract: A method and a system are provided for automatically delineating a striatum in a nuclear medicine brain image and calculating a striatum specific uptake ratio. In the method, initially, a target image is obtained. Then, the target image is projected to a space coordinate to generate a projection amount; an upper end and a lower end of a brain are obtained; and a preset range from the upper to the lower ends is set as a striatum slice area in the target image. A brain area is determined from the target image by a line detection method. Then, a brain volume template is deformed according to the brain area and the striatum slice area, so that a striatum in the brain volume template corresponds to the target image to delineate a striatum region of the target image. Finally, a specific uptake ratio of the striatum region can be calculated.Type: ApplicationFiled: April 5, 2020Publication date: April 15, 2021Applicant: Chung Yuan Christian UniversityInventors: Wen-Chen Lin, Kang-Ping Lin