Patents by Inventor Chi Hua Chen

Chi Hua Chen 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: 20240146501
    Abstract: A method of monitoring a clock signal of a server is provided. The server includes a phase-locked loop (PLL), a baseboard management controller (BMC), and a light emitting unit. The method includes steps of: A) the server executing a time synchronization service to obtain a synchronization mode that the PLL is operating in, where the synchronization mode is one of a free-run mode, a locked mode, and a holdover mode; B) the server updating the synchronization mode to the BMC when executing the time synchronization service; and C) the BMC storing the synchronization mode and controlling the light emitting unit to display in one of a plurality of displaying manners that corresponds to the synchronization mode.
    Type: Application
    Filed: July 10, 2023
    Publication date: May 2, 2024
    Inventors: Yu-Yuan Chen, Po-Wei Chang, Chi-Hua Li
  • Patent number: 11955794
    Abstract: A surge protection system includes a receptacle body, at least one power output jack, a power obtaining device, at least one surge protection module, a microcontroller unit, and a surge detection circuit. The at least one surge protection module includes a housing, a memory element, and a surge protection circuit that includes a surge absorption element and a thermal fuse connected in series and parallel. The surge absorption element absorbs a surge inputted from an external power supply, and the memory element records a number of surges carried by the surge absorption element. When the surge enters the surge protection system from the external power supply, the surge absorption element absorbs the surge, and the surge detection circuit outputs a signal to the microcontroller unit that writes the number of surges carried by the surge absorption element into the memory element.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 9, 2024
    Assignee: POWERTECH INDUSTRIAL CO., LTD.
    Inventors: Jung-Hui Hsu, Po-Hua Hsu, Chi-Chien Chen
  • Patent number: 11955389
    Abstract: A method of determining the reliability of a high-voltage PMOS (HVPMOS) device includes determining a bulk resistance of the HVPMOS device, and evaluating the reliability of the HVPMOS device based on the bulk resistance.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: April 9, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Chung Chen, Chi-Feng Huang, Tse-Hua Lu
  • Patent number: 11947745
    Abstract: A handwriting data processing method is applied to a pen display having wireless communication function and a data processing device. The handwriting data processing method includes the steps of: the data processing device obtaining a handwriting data from the pen display in a wireless communication manner; the data processing device generating a compressed screen image and transmitting the data of the compressed screen image and the handwriting data, which is not compressed, to the pen display in the wireless communication manner; the pen display uncompressing the data of the compressed screen image and overlapping the uncompressed screen image and the handwriting data to form a complete screen image and displaying the complete screen image. By the handwriting processing method, the machine time of the processor of the pen display is effectively lowered, significantly reducing the delay phenomenon of the displayed handwriting.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: April 2, 2024
    Assignee: USI ELECTRONICS (SHENZHEN) CO., LTD.
    Inventors: Chih-Hsiang Chen, Chi-Hua Shih, Huang-Chu Liu, Jan-Yi Hsiao
  • Patent number: 11921411
    Abstract: A wavelength conversion element includes a substrate, a wavelength conversion layer and a heat dissipation member. The substrate has a supporting surface. The wavelength conversion layer is disposed on the supporting surface. The heat dissipation member is disposed on the supporting surface and is surrounded by the wavelength conversion layer. The heat dissipation member has a heat dissipation plate and a plurality of heat dissipation tooth portions. The heat dissipation plate is fixed on the supporting surface. The heat dissipation plate has an outer side surface. The outer side surface is perpendicular to the supporting surface. The heat dissipation tooth portions are respectively connected to the outer side surface. A projection device including the wavelength conversion element is also provided. The wavelength conversion element can improve wavelength conversion efficiency and reliability, and the projection device can improve image brightness and service life.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: March 5, 2024
    Assignee: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Patent number: 11646588
    Abstract: A battery system, a control method of a cell balance procedure and a calculation method of a balance charge capacity are provided. The battery system includes a plurality of battery units, a communication bus and a host control unit. Each battery unit includes a plurality of cells, an isolated charger, a switch array circuit, a balance slave switch and a balance slave controller. The host control unit includes a balance host controller, a balance host switch and a system current measurement unit. When the error between a balance detection voltage calculated by each balance slave controller and the balance detection voltage calculated by the balance host controller is less than a predetermined value, the balance host switch and the corresponding balance slave switches are in conduction and the specified plurality cells of battery system are charged for keeping cell balance purpose.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 9, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chein-Chung Sun, Chun-Hung Chou, Chi-Hua Chen
  • Publication number: 20230084779
    Abstract: A battery system includes several unit battery groups, a main switch, a current measuring unit, several slave control units and a master control unit. Each unit battery group includes several cells. The main switch and the current measuring unit are serially connected to the unit battery groups. The current measuring unit measures a measured system current value of the unit battery groups. The slave control units are electrically connected to the unit battery groups respectively. Each slave control unit measures a physical parameter value of each cell in each unit battery group. The master control unit communicates with the slave control units to: disconnect the main switch when the abnormality determined according to the physical parameter value or the measured system current value pertains to system abnormality; and, perform a processing procedure for detection abnormality when the abnormality pertains to detection abnormality.
    Type: Application
    Filed: December 21, 2021
    Publication date: March 16, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chein-Chung SUN, Chi-Hua CHEN, Chun-Hung CHOU, Si-Yu FU
  • Publication number: 20210328441
    Abstract: A battery system, a control method of a cell balance procedure and a calculation method of a balance charge capacity are provided. The battery system includes a plurality of battery units, a communication bus and a host control unit. Each battery unit includes a plurality of cells, an isolated charger, a switch array circuit, a balance slave switch and a balance slave controller. The host control unit includes a balance host controller, a balance host switch and a system current measurement unit. When the error between a balance detection voltage calculated by each balance slave controller and the balance detection voltage calculated by the balance host controller is less than a predetermined value, the balance host switch and the corresponding balance slave switches are in conduction and the specified plurality cells of battery system are charged for keeping cell balance purpose.
    Type: Application
    Filed: December 29, 2020
    Publication date: October 21, 2021
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chein-Chung SUN, Chun-Hung CHOU, Chi-Hua CHEN
  • Patent number: 10700388
    Abstract: A battery system includes a unit battery module, a current and coulomb measurement circuit and a master control circuit. The unit battery module stores electricity and calculates battery information of the battery set according to a system current value, a system coulomb value, a cell voltage and a cell temperature of the battery set. The current and coulomb measurement circuit is coupled to the unit battery module, generates the system current value according to the current flowing though the battery set, generates the system coulomb value by integrating the system current value, and provides the system current value and the system coulomb value to the unit battery module. The master control circuit is coupled to the unit battery module, receives the battery information from the unit battery module, generates a system battery information according to the battery information and provides the system battery information to an external device.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 30, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chein-Chung Sun, Chi-Hua Chen, Chun-Hung Chou
  • Patent number: 10132868
    Abstract: A battery management system is provided, which may include a power supply module, a measurement module, a switch module and a processing module. The power supply module may be electrically coupled to a load or a charging power source via the switch module. The measurement module may measure a plurality of operation signals from the power supply module. The processing module may determine the operation status of the power supply module by cross comparison between the operation signals, and activate a safety protection item according to the operations signals and the operation status; the processing module may determine to activate a global protection process to turn off the switch module or activate a local protection process to turn off the switch module after a buffer time according to the danger level of the safety protection item.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: November 20, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chein-Chung Sun, Chun-Hung Chou, Chi-Hua Chen
  • Publication number: 20180172770
    Abstract: A battery management system is provided, which may include a power supply module, a measurement module, a switch module and a processing module. The power supply module may be electrically coupled to a load or a charging power source via the switch module. The measurement module may measure a plurality of operation signals from the power supply module. The processing module may determine the operation status of the power supply module by cross comparison between the operation signals, and activate a safety protection item according to the operations signals and the operation status; the processing module may determine to activate a global protection process to turn off the switch module or activate a local protection process to turn off the switch module after a buffer time according to the danger level of the safety protection item.
    Type: Application
    Filed: June 26, 2017
    Publication date: June 21, 2018
    Inventors: CHEIN-CHUNG SUN, CHUN-HUNG CHOU, CHI-HUA CHEN
  • Publication number: 20170256825
    Abstract: A battery system includes a unit battery module, a current and coulomb measurement circuit and a master control circuit. The unit battery module stores electricity and calculates battery information of the battery set according to a system current value, a system coulomb value, a cell voltage and a cell temperature of the battery set. The current and coulomb measurement circuit is coupled to the unit battery module, generates the system current value according to the current flowing though the battery set, generates the system coulomb value by integrating the system current value, and provides the system current value and the system coulomb value to the unit battery module. The master control circuit is coupled to the unit battery module, receives the battery information from the unit battery module, generates a system battery information according to the battery information and provides the system battery information to an external device.
    Type: Application
    Filed: December 28, 2016
    Publication date: September 7, 2017
    Inventors: Chein-Chung Sun, Chi-Hua Chen, Chun-Hung Chou
  • Patent number: 9474774
    Abstract: The present invention relates to novel pyridine alkaloid compounds of formula (I): or a pharmaceutically acceptable derivative thereof as described in the specification, the process for the preparation of the same, and the composition comprising the same. The uses of a pyridine compound for increasing the activity of PPAR?, for the prevention and/or treatment of a disease or disorder related to insulin resistance, and for the prevention and/or treatment of metabolic syndrome or its complication are also provided. The invention also provides extracts of red yeast-fermented products and their uses for prevention and/or treatment of a disease or disorder related to insulin resistance, such as metabolic syndrome.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: October 25, 2016
    Assignee: FOOD INDUSTRY RESEARCH AND DEVELOPMENT INSTITUTE
    Inventors: Ming-Der Wu, Ming-Jen Cheng, Shie-Jea Lin, Chi-Hua Chen, Yen-Lin Chen, Hui-Ping Chen, Kai-Ping Chen, Ping-Shin Yang, Shiow-Wen Chen, Gwo-Fang Yuan
  • Publication number: 20130147668
    Abstract: A speed estimation method including a reference value establishing step, an actual value establishing step, an approximate location calculating step, a weight location calculating step, a weight location determining step and a speed calculating step is disclosed. The reference value establishing step determines a plurality of training locations and establishes a reference signal strength set for each training location. The actual value establishing step establishes an actual signal strength set of a communication device at a time point. The approximate location calculating step calculates a plurality of signal strength differences according to the actual signal strength set and the reference signal strength set, and generates a plurality of approximate locations. The weight location calculating step calculates a weight location of the communication device. The weight location determining step determines whether two weight locations are obtained.
    Type: Application
    Filed: January 27, 2012
    Publication date: June 13, 2013
    Inventors: Hsu-Yang KUNG, Chi-Chun LO, Chi-Hua CHEN, Bon-Yeh LIN, Chun-Hao LIN, Yan-Si LIU
  • Patent number: 8273388
    Abstract: An extract of Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or of Polygonum hypoleucum (Ohwi) for improving metabolic syndrome is prepared by the following method: (a) providing fresh or dry Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or Polygonum hypoleucum (Ohwi) in partial or whole plant; (b) extracting the partial or whole plant by a solvent to obtain a crude extract; (c) condensing and drying the crude extract to obtain an extract product; and (d) collecting the extract product. The present invention also relates to a pharmaceutical and a food composition having the above extract for improving the metabolic syndromes. The extract of the present invention can be easily prepared and is demonstrated to modulate the levels of both blood glucose and blood lipid, to inhibit the activities of glycolytic enzymes and acetyl-CoA carboxylase, and to stimulate acyl-CoA oxidase. The extract of the present invention is capable of improving metabolic syndromes.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: September 25, 2012
    Assignee: Food Industry Research & Development Institute
    Inventors: Chi-Hua Chen, Shiow-Wen Chen, Yuarn-Yee Chang, Wen-Kia Liu
  • Publication number: 20110206785
    Abstract: An extract of Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or of Polygonum hypoleucum (Ohwi) for improving metabolic syndrome is prepared by the following method: (a) providing fresh or dry Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or Polygonum hypoleucum (Ohwi) in partial or whole plant ; (b) extracting the partial or whole plant by a solvent to obtain a crude extract; (c) condensing and drying the crude extract to obtain an extract product; and (d) collecting the extract product. The present invention also relates to a pharmaceutical and a food composition having the above extract for improving the metabolic syndromes. The extract of the present invention can be easily prepared and is demonstrated to modulate the levels of both blood glucose and blood lipid, to inhibit the activities of glycolytic enzymes and acetyl-CoA carboxylase, and to stimulate acyl-CoA oxidase. The extract of the present invention is capable of improving metabolic syndromes.
    Type: Application
    Filed: April 29, 2011
    Publication date: August 25, 2011
    Applicant: FOOD INDUSTRY RESEARCH & DEVELOPMENT INSTITUTE
    Inventors: Chi-Hua Chen, Shiow-Wen Chen, Yuarn-Yee Chang, Wen-Kia Liu
  • Publication number: 20110165186
    Abstract: The present invention relates to novel pyridine alkaloid compounds of formula (I): or a pharmaceutically acceptable derivative thereof as described in the specification, the process for the preparation of the same, and the composition comprising the same. The uses of a pyridine compound for increasing the activity of PPAR?, for the prevention and/or treatment of a disease or disorder related to insulin resistance, and for the prevention and/or treatment of metabolic syndrome or its complication are also provided. The invention also provides extracts of red yeast-fermented products and their uses for prevention and/or treatment of a disease or disorder related to insulin resistance, such as metabolic syndrome.
    Type: Application
    Filed: December 30, 2010
    Publication date: July 7, 2011
    Inventors: Ming-Der WU, Ming-Jen Cheng, Shie-Jea Lin, Chi-Hua Chen, Yen-Lin Chen, Hui-Ping Chen, Kai-Ping Chen, Ping-Shin Yang, Shiow-Wen Chen, Gwo-Fang Yuan
  • Publication number: 20110014305
    Abstract: The present invention relates to extracts of Eleutherococcus spp. and the preparation process thereof. The present invention also relates to the use of the Eleutherococcus spp. extracts of the present invention for the treatment or prevention of at least one condition of metabolic syndrome.
    Type: Application
    Filed: July 15, 2009
    Publication date: January 20, 2011
    Applicant: Food Industry Research and Development Institute
    Inventors: Chi-Hua Chen, Shiow-Wen Chen, Yuarn-Yee Chang, Hui-Yun Tsai
  • Publication number: 20090304822
    Abstract: An extract of Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or of Polygonum hypoleucum (Ohwi) for improving metabolic syndrome is prepared by the following method: (a) providing fresh or dry Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or Polygonum hypoleucum (Ohwi) in partial or whole plant ; (b) extracting the partial or whole plant by a solvent to obtain a crude extract; (c) condensing and drying the crude extract to obtain an extract product; and (d) collecting the extract product. The present invention also relates to a pharmaceutical and a food composition having the above extract for improving the metabolic syndromes. The extract of the present invention can be easily prepared and is demonstrated to modulate the levels of both blood glucose and blood lipid, to inhibit the activities of glycolytic enzymes and acetyl-CoA carboxylase, and to stimulate acyl-CoA oxidase. The extract of the present invention is capable of improving metabolic syndromes.
    Type: Application
    Filed: June 9, 2008
    Publication date: December 10, 2009
    Inventors: Chi-Hua Chen, Shiow-Wen Chen, Yuarn-Yee Chang, Wen-Kia Liu
  • Patent number: 6699679
    Abstract: The present invention provides a method for rapid identification of Bacillus Cereus comprising utilizing an antibody specific to a certain surface antigen of B. cereus, and the kit for performing the method.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: March 2, 2004
    Assignee: Food Industry Research and Development Institute
    Inventors: Chi Hua Chen, Tsung C. Chang, Hwia C. Ding