Patents by Inventor Chih-Hsin Chen
Chih-Hsin 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).
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Publication number: 20240239986Abstract: A copolyester is formed by copolymerizing a depolymerized polyester and succinic acid. The depolymerized polyester includes depolymerized polyethylene terephthalate (PET), and the depolymerized PET is formed by depolymerizing PET with ethylene glycol. The repeating unit of PET and the succinic acid have a molar ratio of 40:60 to 50:50. The repeating unit of PET and the ethylene glycol have a molar ratio of 100:100 to 100:500. The copolyester has a storage modulus of 1*104 Pa to 1*106 Pa at 80° C. The copolyester can be used in a hot melt adhesive.Type: ApplicationFiled: January 17, 2024Publication date: July 18, 2024Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Che-Tseng LIN, Meng-Hsin CHEN, Jen-Chun CHIU, Kai-Chuan KUO, Yu-Lin CHU, Po-Hsien HO, Ke-Hsuan LUO, Chih-Hsiang LIN, Hui-Ching HSU
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Patent number: 11986306Abstract: The present invention provides a circuitry of a biopotential acquisition system comprising an input node, an ETI transmitter and an ADC. The input node is coupled to an electrode of the biopotential acquisition system, and the electrode is used to be in contact with a human body. The ETI transmitter is configured to generate a transmitter signal to the input node. The ADC is coupled to the input node, and is configured to process an input signal from the input node to generate a digital signal, wherein each of the input signal and the digital signal comprises components of an ECG signal and an ETI signal.Type: GrantFiled: July 4, 2021Date of Patent: May 21, 2024Assignee: MEDIATEK INC.Inventor: Chih-Hsin Chen
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Patent number: 11937947Abstract: The present invention provides a circuitry of a biopotential acquisition system, where the circuitry includes an input node, an ETI transmitter, a capacitor and an ETI receiver. The input node is configured to receive an input signal from an electrode of the biopotential acquisition system. The ETI transmitter is configured to generate a transmitter signal. A first node of the capacitor is coupled to the ETI transmitter, and a second node of the capacitor is coupled to the input node. The ETI receiver is coupled to the input node, and is configured to receive the transmitter signal via the capacitor to generate an ETI.Type: GrantFiled: April 1, 2021Date of Patent: March 26, 2024Assignee: MEDIATEK INC.Inventor: Chih-Hsin Chen
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Patent number: 11929434Abstract: A switch device includes a P-type substrate, a first gate structure, a first N-well, a shallow trench isolation structure, a first P-well, a second gate structure, a first N-type doped region, a second P-well, and a second N-type doped region. The first N-well is formed in the P-type substrate and partly under the first gate structure. The shallow trench isolation structure is formed in the first N-well and under the first gate structure. The first P-well is formed in the P-type substrate and under the first gate structure. The first N-type doped region is formed in the P-type substrate and between the first gate structure and the second gate structure. The second P-well is formed in the P-type substrate and under the second gate structure. The second N-type doped region is formed in the second P-well and partly under the second gate structure.Type: GrantFiled: April 15, 2022Date of Patent: March 12, 2024Assignee: eMemory Technology Inc.Inventors: Chih-Hsin Chen, Shih-Chen Wang, Tsung-Mu Lai, Wen-Hao Ching, Chun-Yuan Lo, Wei-Chen Chang
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Publication number: 20240043290Abstract: This disclosure is related to an ultraviolet fluid sterilizing box structure. A box (10) includes a chamber (100), a water inlet (101) and a water outlet (102). The water inlet (101) and the water outlet (102) are located on different sides of the box (10). The partition (20) is disposed in the chamber (100) and includes an outer cylinder (21) and an inner cylinder (22). The outer cylinder (21) includes an outer cavity (210) and an inflow inlet (211). The inner cylinder (22) includes an inner cavity (220) and an opening (221). The ultraviolet module (30) is disposed on one side of the box (10) and includes a light-transmitting plate (31) and an ultraviolet lamp set (32). The light-transmitting plate (31) seals the outer cylinder (21). The ultraviolet rays irradiate the inner cavity (220) and the outer cavity (210).Type: ApplicationFiled: August 4, 2022Publication date: February 8, 2024Inventors: Chun-Hung LU, Chia-Te LIN, Chih-Hsin CHEN
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Publication number: 20230236069Abstract: A food temperature measuring device includes a device main body, a signal control module, a temperature measuring module, a light emitting display module, and an information display module. The temperature measuring module is configured for measuring a predetermined food so as to obtain measured temperature information of the predetermined food. The light emitting display module includes a first light emitting unit for providing a first food light message, a second light emitting unit for providing a second food light message, and a third light emitting unit for providing a third food light message. The information display module is configured for displaying a measured temperature value of the measured temperature information obtained by the temperature measuring module. Therefore, the light emitting display module can be configured for providing food category corresponding information corresponding to the predetermined food according to the first, the second, and the third food light message.Type: ApplicationFiled: January 11, 2022Publication date: July 27, 2023Inventors: YUNG-CHANG CHANG, FENG-LIEN HUANG, CHIH-HSIN CHEN
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Patent number: 11617531Abstract: The present invention provides a circuit applied to a biopotential acquisition system, wherein the circuit includes an active current source and an amplifier. In the operations of the circuit, the active current source is configured to provide a current to two input terminals of the circuit, wherein the two input terminals of the circuit are coupled to two input electrodes of the biopotential acquisition system; and the amplifier is configured to receive input signals from the two input terminals to generate an output signal.Type: GrantFiled: November 12, 2019Date of Patent: April 4, 2023Assignee: MEDIATEK INC.Inventor: Chih-Hsin Chen
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Patent number: 11497411Abstract: The present invention provides a circuit applied to a bio-information acquisition system, wherein the circuit includes a terminal, an output circuit, a feedback circuit and a calibration circuit. In the operations of the circuit, the terminal is arranged to receive an input signal, the output circuit is configured to generate an output signal according to the input signal, the feedback circuit is configured to receive the output signal to generate a current signal to the terminal, and the calibration circuit is configured to generate a control signal to control the feedback circuit to determine a level of the current signal according to the output signal.Type: GrantFiled: November 12, 2019Date of Patent: November 15, 2022Assignee: MEDIATEK INC.Inventors: Chih-Hsin Chen, Yu-Hung Lin
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Patent number: 11451366Abstract: The present invention provides a lead-on detection circuitry of a biopotential acquisition system. The lead-on detection circuitry includes an input terminal, a duty-cycle controller, a transmitting signal generator and a mixer-based receiver. The duty-cycle controller is configured to generate a first clock signal. The transmitting signal generator is configured to generate a transmitting signal to the input terminal according to the first clock signal. The mixer-based receiver is configured to perform a mixing operation based on the first clock signal and the transmitting signal to generate an output signal, wherein the output signal indicates if an electrode of the biopotential acquisition system is in contact with a human body, and the electrode is coupled to the input terminal.Type: GrantFiled: December 3, 2020Date of Patent: September 20, 2022Assignee: MEDIATEK INC.Inventor: Chih-Hsin Chen
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Patent number: 11424632Abstract: An improved USB charging apparatus includes a main body and a plurality of power processing modules arranged in the main body; each one of the power processing modules having two USB charging ports connected thereto, and the two USB charging ports configured to be a first charging port and a second charging port having specifications different from each other; the first charging port and the second charging port arranged adjacent to each other; each one of the power processing modules further comprising a detection control circuit and a switch circuit, allowing each charging circuit to be provided with the charging ports of two types of specifications, such that user can choose one of the charging ports for use depending upon the actual needs. Accordingly, the improved USB charging apparatus is not limited to certain specifications of charging ports only, thereby increasing the use significantly.Type: GrantFiled: February 26, 2021Date of Patent: August 23, 2022Assignee: E-SENSE TECHNOLOGY CO., LTD.Inventors: Chih Hsin Chen, Shih Che Chiu
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Publication number: 20220246758Abstract: A switch device includes a P-type substrate, a first gate structure, a first N-well, a shallow trench isolation structure, a first P-well, a second gate structure, a first N-type doped region, a second P-well, and a second N-type doped region. The first N-well is formed in the P-type substrate and partly under the first gate structure. The shallow trench isolation structure is formed in the first N-well and under the first gate structure. The first P-well is formed in the P-type substrate and under the first gate structure. The first N-type doped region is formed in the P-type substrate and between the first gate structure and the second gate structure. The second P-well is formed in the P-type substrate and under the second gate structure. The second N-type doped region is formed in the second P-well and partly under the second gate structure.Type: ApplicationFiled: April 15, 2022Publication date: August 4, 2022Applicant: eMemory Technology Inc.Inventors: Chih-Hsin Chen, Shih-Chen Wang, Tsung-Mu Lai, Wen-Hao Ching, Chun-Yuan Lo, Wei-Chen Chang
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Patent number: 11398259Abstract: A memory cell array of a multi-time programmable non-volatile memory includes plural memory cells. The memory cell has the structure of 1T1C cell, 2T1C cell or 3T1C cell. Moreover, the floating gate transistors of the memory cells in different rows of the memory cell array are constructed in the same well region. Consequently, the chip size is reduced. Moreover, by providing proper bias voltages to the memory cell array, the program action, the erase action or the read action can be performed normally.Type: GrantFiled: February 24, 2021Date of Patent: July 26, 2022Assignee: EMEMORY TECHNOLOGY INC.Inventors: Chih-Hsin Chen, Chun-Yuan Lo, Shih-Chen Wang, Tsung-Mu Lai
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Publication number: 20220160910Abstract: The invention is a UV sterilizing box structure. A box body has a round chamber, an inlet, and an outlet. The round chamber is formed with an arc-shaped guiding channel. A UV light module is disposed on a side of the box body. An external fluid enters the round chamber via the inlet and spirally flows through an inside of the round chamber along the arc-shaped guiding channel so as to make the fluid in the box body generate a flow with a specific direction and stay for enough time to be sufficiently irradiated by UV rays. Thereby, a better effect of sterilization may be obtained.Type: ApplicationFiled: November 20, 2020Publication date: May 26, 2022Inventors: Chun-Hung LU, Chia-Te LIN, Chih-Hsin CHEN
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Patent number: 11338049Abstract: The invention is a UV sterilizing box structure. A box body has a round chamber, an inlet, and an outlet. The round chamber is formed with an arc-shaped guiding channel. A UV light module is disposed on a side of the box body. An external fluid enters the round chamber via the inlet and spirally flows through an inside of the round chamber along the arc-shaped guiding channel so as to make the fluid in the box body generate a flow with a specific direction and stay for enough time to be sufficiently irradiated by UV rays. Thereby, a better effect of sterilization may be obtained.Type: GrantFiled: November 20, 2020Date of Patent: May 24, 2022Assignee: HERGY INTERNATIONAL CORP.Inventors: Chun-Hung Lu, Chia-Te Lin, Chih-Hsin Chen
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Patent number: 11335805Abstract: A switch device includes a P-type substrate, a first gate structure, a first N-well, a shallow trench isolation structure, a first P-well, a second gate structure, a first N-type doped region, a second P-well, and a second N-type doped region. The first N-well is formed in the P-type substrate and partly under the first gate structure. The shallow trench isolation structure is formed in the first N-well and under the first gate structure. The first P-well is formed in the P-type substrate and under the first gate structure. The first N-type doped region is formed in the P-type substrate and between the first gate structure and the second gate structure. The second P-well is formed in the P-type substrate and under the second gate structure. The second N-type doped region is formed in the second P-well and partly under the second gate structure.Type: GrantFiled: September 8, 2020Date of Patent: May 17, 2022Assignee: eMemory Technology Inc.Inventors: Chih-Hsin Chen, Shih-Chen Wang, Tsung-Mu Lai, Wen-Hao Ching, Chun-Yuan Lo, Wei-Chen Chang
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Publication number: 20220102992Abstract: An improved USB charging apparatus includes a main body and a plurality of power processing modules arranged in the main body; each one of the power processing modules having two USB charging ports connected thereto, and the two USB charging ports configured to be a first charging port and a second charging port having specifications different from each other; the first charging port and the second charging port arranged adjacent to each other; each one of the power processing modules further comprising a detection control circuit and a switch circuit, allowing each charging circuit to be provided with the charging ports of two types of specifications, such that user can choose one of the charging ports for use depending upon the actual needs. Accordingly, the improved USB charging apparatus is not limited to certain specifications of charging ports only, thereby increasing the use significantly.Type: ApplicationFiled: February 26, 2021Publication date: March 31, 2022Applicant: E-SENSE TECHNOLOGY CO., LTD.Inventors: Chih Hsin CHEN, Shih Che CHIU
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Publication number: 20220071543Abstract: The present invention provides a circuitry of a biopotential acquisition system comprising an input node, an ETI transmitter and an ADC. The input node is coupled to an electrode of the biopotential acquisition system, and the electrode is used to be in contact with a human body. The ETI transmitter is configured to generate a transmitter signal to the input node. The ADC is coupled to the input node, and is configured to process an input signal from the input node to generate a digital signal, wherein each of the input signal and the digital signal comprises components of an ECG signal and an ETI signal.Type: ApplicationFiled: July 4, 2021Publication date: March 10, 2022Applicant: MEDIATEK INC.Inventor: Chih-Hsin Chen
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Patent number: 11164880Abstract: A multi-time programming non-volatile memory includes a select transistor, a floating gate transistor, a switch transistor, a capacitor and an erase gate element. The select transistor is connected with a select line and a source line. The floating gate transistor includes a floating gate. The floating gate transistor is connected with the select transistor. The switch transistor is connected with a word line, the floating gate transistor and a bit line. A first terminal of the capacitor is connected with the floating gate. A second terminal of the capacitor is connected with a control line. The erase gate element includes the floating gate, a gate oxide layer and a p-type region. The erase gate element is connected with an erase line. The floating gate of the erase gate element at least includes an n-type floating gate part.Type: GrantFiled: March 29, 2019Date of Patent: November 2, 2021Assignee: EMEMORY TECHNOLOGY INC.Inventors: Chun-Yuan Lo, Shih-Chen Wang, Wen-Hao Ching, Chih-Hsin Chen, Wei-Ren Chen
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Publication number: 20210330267Abstract: The present invention provides a circuitry of a biopotential acquisition system, where the circuitry includes an input node, an ETI transmitter, a capacitor and an ETI receiver. The input node is configured to receive an input signal from an electrode of the biopotential acquisition system. The ETI transmitter is configured to generate a transmitter signal. A first node of the capacitor is coupled to the ETI transmitter, and a second node of the capacitor is coupled to the input node. The ETI receiver is coupled to the input node, and is configured to receive the transmitter signal via the capacitor to generate an ETI.Type: ApplicationFiled: April 1, 2021Publication date: October 28, 2021Inventor: Chih-Hsin Chen
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Publication number: 20210287746Abstract: A memory cell array of a multi-time programmable non-volatile memory includes plural memory cells. The memory cell has the structure of 1T1C cell, 2T1C cell or 3T1C cell. Moreover, the floating gate transistors of the memory cells in different rows of the memory cell array are constructed in the same well region. Consequently, the chip size is reduced. Moreover, by providing proper bias voltages to the memory cell array, the program action, the erase action or the read action can be performed normally.Type: ApplicationFiled: February 24, 2021Publication date: September 16, 2021Inventors: Chih-Hsin CHEN, Chun-Yuan LO, Shih-Chen WANG, Tsung-Mu LAI