Patents Assigned to National Taiwan University of Science and Technology
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Patent number: 11439355Abstract: A physiological signal sensor, comprising a self-oscillating complementary split-ring resonator (SO-CSRR), a demodulator and a microcontroller (MCU). The SO-CSRR detects a physiological signal and outputs a modulated signal, the demodulator receives the modulated signal and outputs a pulse physiological signal, the baseband amplifier receives the pulse physiological signal and outputs an amplified pulse physiological signal, and the MCU receives the amplified pulse physiological signal and outputs a digital signal.Type: GrantFiled: April 17, 2020Date of Patent: September 13, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chao-Hsiung Tseng, Cheng-Zhou Wu
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Patent number: 11444321Abstract: A treating method of a nonaqueous-electrolyte and a method of fabricating a battery are provided. The treating method is suitable for being performed prior to injecting a nonaqueous-electrolyte into a containing region of the battery. The treating method includes performing at least one first voltage process or at least one second voltage process on the nonaqueous-electrolyte. The first voltage process includes as follows. A first voltage is applied to the nonaqueous-electrolyte. The voltage is adjusted gradually from the first voltage to a second voltage. The voltage is adjusted gradually from the second voltage to the first voltage. The second voltage process includes as follows. A third voltage is applied to the nonaqueous-electrolyte for a predetermined time.Type: GrantFiled: March 16, 2020Date of Patent: September 13, 2022Assignee: National Taiwan University of Science and TechnologyInventors: Bing-Joe Hwang, Wei-Nien Su
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Publication number: 20220284272Abstract: A method is disclosed to dynamically design acceleration units of neural networks. The method comprises steps of generating plural circuit description files through a neural network model; reading a model weight of the neural network model to determine a model data format of the neural network model; selecting one circuit description file from the plural circuit description files according to the model data format, so that the chip is reconfigured according to the selected circuit description file to form an acceleration unit adapted to the model data format. The acceleration unit is suitable for running a data segmentation algorithm, which may accelerate the inference process of the neural network model. Through this method the chip may be dynamically reconfigured into an efficient acceleration unit for the different model data format, thereby speeding up the inference process of the neural network model.Type: ApplicationFiled: June 30, 2021Publication date: September 8, 2022Applicant: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Shun-Feng SU, Meng-Wei CHANG
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Patent number: 11437918Abstract: An LLC resonant converter is provided, which includes an input power source, a full-bridge switch circuit, a resonant circuit, a transformer, a rectifier circuit, a load, and a control circuit. The control circuit includes a load detection circuit and a valley switching circuit. The load detection circuit detects a load state of the load. The valley switching circuit is configured to, in response to the load state being a light load state: correspondingly generate a first difference voltage; calculate a first switch on-time for a first switch and a fourth switch; generate switching signals that control the first switch and the fourth switch to be turned off, and detect voltage valleys of a second switch and a third switch; and generate the switching signals to control the second switch and the third switch to be turned on according to the calculated first switch on-time.Type: GrantFiled: May 5, 2021Date of Patent: September 6, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Jing-Yuan Lin, Pin-Hsien Liu, Ju-Hsin Chen, Hsuan-Yu Yueh
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Publication number: 20220251863Abstract: A seismic isolation device comprises an isolation support and an inerter unit arranged on the side of the isolation support, the isolation support having an upper plate and a lower plate, the inerter unit having a rotating rod extending to the side of the lower plate and a flywheel linked with the rotating rod, wherein when the upper and lower plates of the present invention undergo relative displacement due to the occurrence of an earthquake, the inerter unit provide an inertance to reduce the displacement reaction, thereby providing better seismic isolation effect.Type: ApplicationFiled: January 26, 2022Publication date: August 11, 2022Applicant: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Ting-Yu Hsu, Shiang-Jung Wang
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Patent number: 11368160Abstract: A non-contact phase-locked and self-injection-locked vital sign sensor includes a self-oscillating voltage-controlled frequency-adjustable radiating element and a phase-locked loop. The self-oscillating voltage-controlled frequency-adjustable radiating element is used for transmitting an oscillation signal to an organism and for receiving a corresponding reflected signal from the organism to be posed at a self-injection-locked state, the oscillation signal being tuned by a vital sign of the organism to form a frequency-tuned signal. The phase-locked loop is used for demodulating the frequency-tuned signal to obtain a corresponding vital signal of the organism. By comparing the oscillation signal frequency-eliminated and outputted from the self-oscillating voltage-controlled frequency-adjustable radiating element with a reference signal, a corresponding comparison result is used to vary a phase of the frequency-divided oscillation signal for maintaining the same phase of the reference signal.Type: GrantFiled: May 3, 2019Date of Patent: June 21, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chao-Hsiung Tseng, Li-Te Yu
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Patent number: 11350839Abstract: A non-contact self-injection-locked vital sign sensor is disclosed, which includes transmitting antenna, receiving antenna, self-injection-locked integrated circuit and demodulator. The self-injection-locked integrated circuit includes voltage-controlled oscillator, mixer, two amplifiers and harmonic-frequency power combiner. A frequency-multiplied signal is produced by amplifiers and harmonic-frequency power combiner then transmitted to a living body by transmitting antenna. A frequency-divided signal is produced by voltage-controlled oscillator and mixer then transmitted to voltage-controlled oscillator, then a frequency- and amplitude-modulated signal is produced by the voltage-controlled oscillator then transmitted to demodulator to produce a vital sign. So as to detect vital sign with a higher frequency to increase measurement sensitivity by using a low-cost integrated circuit process.Type: GrantFiled: March 3, 2020Date of Patent: June 7, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chao-Hsiung Tseng, Yi-Hua Lin
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Patent number: 11347129Abstract: A phase-controlled optical waveguide antenna array including an optical splitter, an array of phase shifters, and an optical waveguide antenna array is disclosed. The optical splitter divides the input light to a plural of optical waveguides, the phase shifter is connected to an optical waveguide of the optical splitter, and the optical waveguide antenna array is connected with the phase shifters. The optical waveguide antenna array employs periodic block structure to output a uniform light beam, and the phase shifters are tuned with adjacent thermal heaters to steer the output beam angle of the optical waveguide antenna array.Type: GrantFiled: December 4, 2020Date of Patent: May 31, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: San-Liang Lee, Chia-Hsuan Yang, Tsung-Han Lee
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Publication number: 20220162872Abstract: This disclosure relates to an active inerter damper configured to be disposed on or in a building structure. The active inerter damper includes a base, a lead screw, a rotational mass block, a driving device and a controller. The lead screw is movably disposed above the base along an axial direction. The rotational mass block is engaged with the lead screw so as to be rotatable with respect to the base. The driving device is connected to the lead screw. The controller is electrically connected to the driving device, and the controller is configured to activate the driving device to move the lead screw along the axial direction so as to rotate the rotational mass block via the lead screw.Type: ApplicationFiled: March 10, 2021Publication date: May 26, 2022Applicant: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Pei-Ching CHEN, Guan-Chung TING, Po-Chang CHEN
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Patent number: 11339922Abstract: The proposed lattice structure is designed to simplify the time of long and difficult post-printing process of removing the unused powder or resin by blowing air in the additive manufacturing parts. The designed lattice structure is a ventilated three dimensional structure that includes a plurality of lattice bodies arranged in a first direction, a second direction and a third direction. The first direction, the second direction and the third direction are orthogonal. Each of the lattice body has a hollow structure formed by a shell wall including a first venting hole opening in the first direction and facing the first venting hole of another adjacent lattice body, a second venting hole opening in the second direction and facing the second venting hole of another adjacent lattice body; and a third venting hole opening in the third direction and facing the third venting hole of another adjacent lattice body.Type: GrantFiled: July 9, 2020Date of Patent: May 24, 2022Assignee: National Taiwan University of Science and TechnologyInventors: Saurav Verma, Jeng-Ywan Jeng, Ajeet Kumar
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Publication number: 20220148817Abstract: A photoelectrode with independent separate structures of an electrochromic layer and a sensitized light-absorbing layer is provided, which includes a first transparent conductive substrate, a first electrochromic layer, and a sensitized light-absorbing layer. The first electrochromic layer and the sensitized light-absorbing layer are disposed on a surface of the first transparent conductive substrate and are adjacent to each other.Type: ApplicationFiled: December 16, 2020Publication date: May 12, 2022Applicant: National Taiwan University of Science and TechnologyInventors: Min-Hsin Yeh, Chao-Yuan Cheng, Yu-Jou Chiang
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Patent number: 11322733Abstract: A negative electrode material for a lithium ion battery comprises a carbon material, a silicon nanomaterial, and a first solvent. The carbon material comprises carbon nanotubes. The carbon material and the silicon nanomaterial are uniformly mixed in the first solvent. The weight percentage of the silicon nanomaterial is between 1% and 30%, and the amount of the carbon material is 1% to 30% of the amount of the silicon nanomaterial. A negative electrode composite slurry for a lithium ion battery comprises the negative electrode material and a graphite mixture material. The graphite mixture material comprises graphite and a second solvent. The graphite is uniformly mixed in the second solvent, and the weight percentage of the graphite is between 20% and 40%.Type: GrantFiled: October 7, 2019Date of Patent: May 3, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chih-Wei Chiu, Chen-Yang Huang
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Patent number: 11310993Abstract: The present invention provides an autonomous cleaning robot device for cleaning in the animal husbandry environment. The cleaning robot is composed of a master machine (autonomous moving controller) and a slave machine (self-propelled cleaning head). The master machine and the slave machine are connected by a robotic arm and a traction hose. The robotic arm can adapt to the movement of the cleaning slave machine to reduce the resistance and secondary pollution or damage caused by friction between the traction cable and the ground during the movement. The traction hose combined with the robotic arm allows slave machine to enter and exit the fence without opening and closing the door to improve efficiency. In the treatment of dirt, the excrement is collected by a suction driving device, and is centrally collected in a storage tank, and then is compacted into blocks by the excrement compression device.Type: GrantFiled: December 24, 2019Date of Patent: April 26, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chung-Hsien Kuo, Yu-Cheng Kuo
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Patent number: 11280073Abstract: A smart faucet equipment providing water for washing and sanitizing liquid for dry hand wash. A user may activate different sensors to provide different liquid according to their requirement. The smart faucet equipment of the invention provides water or sanitizing liquid according to the sensors activated by the user. The smart faucet equipment of the invention provides control scheme of regulation of the time period for providing water or sanitizing liquid according to the user's requirement, whereby the user may wash his/her hands without manual operation.Type: GrantFiled: October 20, 2020Date of Patent: March 22, 2022Assignee: National Taiwan University of Science and TechnologyInventors: Jeng-Ywan Jeng, Aamer Nazir, Yeabsra Mekdim Hailu
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Patent number: 11264886Abstract: A control circuit and a control method for a power converter are provided. The power converter includes a plurality of resonant tanks and a plurality of switches disposed between an input terminal and an output terminal. The switches correspond to a first mode and a second mode, respectively, and the control circuit includes a first switch control circuit, a first zero current detection circuit, a second zero current detection circuit, a first switch off detector, a modulation time calculation module, a second switch control circuit, a third zero current detection circuit, a fourth zero current detection circuit, and a second switch off detector. The control circuit uses a plurality of zero current detection circuits to perform time modulations on a plurality of rectifier switches in the switches.Type: GrantFiled: January 13, 2021Date of Patent: March 1, 2022Assignee: National Taiwan University of Science and TechnologyInventors: Chien-Chun Huang, Huang-Jen Chiu
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Patent number: 11262848Abstract: Disclosed is a method for reducing motion sickness in virtual reality (VR) of a user, comprising determining a pattern of force cue based on a motion signal of a locomotion in the VR, the pattern of force cue including a type of force cue, a position of application or a direction of application, a time of application, and an amplitude of force cue, and applying a force cue to a head of the user according to the pattern of force cue, wherein the force cue corresponds to an inertial force and/or a centrifugal force in connection with the motion signal. Also disclosed is a head-mounted device thereof.Type: GrantFiled: June 7, 2021Date of Patent: March 1, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Neng-Hao Yu, Yen-Yang Chen
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Patent number: 11246499Abstract: A far-infrared emitters with physiological signal detection and method of operating the same is disclosed. A far-infrared beam module is switched on and generates far-infrared beam irradiating to a human body when a control unit starting up a microwave detecting module detecting physiological signal of the human body. The control unit is switched off when the time that the far-infrared beam irradiating on the human body reach a presetting period of time, thereby achieving the purpose of energy conservation.Type: GrantFiled: November 12, 2019Date of Patent: February 15, 2022Assignees: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, TAIPEI MEDICAL UNIVERSITYInventors: San-Liang Lee, Chao-Hsiung Tseng, Ling-Hsiu Hung, Yung-Ho Hsu, Cheng-Hsien Chen
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Publication number: 20220028298Abstract: A pronunciation teaching method is provided. A service account is provided in a social communication program to provide a pronunciation teaching program. The service account provides guidance information to a user account which inputs the guidance information by voice input and directly transmits the guidance information to the service account by a text to be evaluated converted by a voice input engine. The service account provides an evaluation result to a corresponding user account according to the text to be evaluated. The social communication program provides the reception and transmission of text messages. The guidance information is texts provided for users to pronounce. The evaluation results are related to the difference between the guidance information and the text to be evaluated. Accordingly, the pronunciation defects of users can be effectively detected. Curative pronunciation exercises can be arranged specifically to improve the pronunciation accuracy of users and the efficiency of voice input.Type: ApplicationFiled: July 22, 2021Publication date: January 27, 2022Applicant: National Taiwan University of Science and TechnologyInventor: Chyi-Yeu Lin
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Patent number: 11218219Abstract: A bidirectional optical wireless transmission system which at least includes one or more optical nodes and terminals is proposed. While the optical node is composed of an optical transmitter, a first optical receiver and a beam collimator; a spatial light modulator, a passive retroreflector and a second optical receiver are employed by the optical terminal to receive the modulated and unmodulated incident beams, which were transmitted from the optical node simultaneously. In the optical terminal, the modulated incident beams are received by the second receiver and the unmodulated incident beams are reflected and through the spatial light modulator in order to be modulated by the spatial light modulator. These modulated reflected beams from spatial light modulator are returned to the optical node through the optical path parallel to the incident beams and received by the first optical receiver within the optical node.Type: GrantFiled: September 1, 2020Date of Patent: January 4, 2022Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hsi-Hsir Chou, Wei-Ta Huang
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Publication number: 20210392747Abstract: The disclosure provides a circuit substrate and a method for manufacturing the same. The circuit substrate includes a wiring and a substrate having a base region and a circuit region. The base region having a first pattern is constituted by a first thermoplastic material. The circuit region having a second pattern is constituted by a second thermoplastic material. The first pattern has a portion opposite to the second pattern. The wiring is formed on the circuit region along the second pattern. The first thermoplastic material is different from the second thermoplastic material, and the second thermoplastic material includes a catalyst particle.Type: ApplicationFiled: August 31, 2020Publication date: December 16, 2021Applicant: National Taiwan University of Science and TechnologyInventors: Chen-Hao Wang, Hsueh-Yu Chen, Guan-Cheng Tong