Patents Assigned to National Yunlin University of Science & Technology
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Patent number: 11926901Abstract: A method for fabricating nonenzymatic glucose sensor, which comprises steps of: (a) providing a bottom substrate; (b) preparing a graphene layer on the bottom substrate; (c) depositing plural amount of zinc oxide (ZnO) seed crystals on the graphene layer; (d) growing the ZnO seed crystals into columnar nanorods with hydrothermal method; (e) coating a thin film of cuprous oxide (Cu2O) on the surface of the ZnO nanorods by electrochemistry-based electrodeposition; and (f) grafting single-walled carbon nanotubes (SWCNTs) on surface of the Cu2O thin film, by using Nafion fixative composited with SWCNTs. The structure of the above sensor, therefore, comprises a bottom substrate and other components orderly assembled on it, including, from inside to outside, a graphene layer, plural amount of ZnO nanorods, a Cu2O thin film, plural amount of SWCNTs, and the Nafion fixative. Accordingly, the sensor has advantages of low cost, rapid response, and easy for preservation.Type: GrantFiled: January 10, 2020Date of Patent: March 12, 2024Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hsi-Chao Chen, Wei-Rong Su, Yun-Cheng Yeh, Chun-Hao Chang
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Patent number: 11608170Abstract: A buoy position monitoring method includes a buoy positioning step, an unmanned aerial vehicle receiving step and an unmanned aerial vehicle flying step. In the buoy positioning step, a plurality of buoys are put on a water surface. Each of the buoys is capable of sending a detecting signal. Each of the detecting signals is sent periodically and includes a position dataset of each of the buoys. In the unmanned aerial vehicle receiving step, an unmanned aerial vehicle is disposed on an initial position, and the unmanned aerial vehicle receives the detecting signals. In the unmanned aerial vehicle flying step, when at least one of the buoys is lost, the unmanned aerial vehicle flies to a predetermined position to get contact with the at least one buoy that is lost.Type: GrantFiled: April 9, 2020Date of Patent: March 21, 2023Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Ching-Ju Chen, Chuan-Yu Chang, Chia-Yan Cheng, Meng-Syue Li, Yueh-Min Huang
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Patent number: 11380348Abstract: A method for correcting infant crying identification includes the following steps: a detecting step provides an audio unit to detect a sound around an infant to generate a plurality of audio samples. A converting step provides a processing unit to convert the audio samples to generate a plurality of audio spectrograms. An extracting step provides a common model to extract the audio spectrograms to generate a plurality of infant crying features. An incremental training step provides an incremental model to train the infant crying features to generate an identification result. A judging step provides the processing unit to judge whether the identification result is correct according to a real result of the infant. When the identification result is different from the real result, an incorrect result is generated. A correcting step provides the processing unit to correct the incremental model according to the incorrect result.Type: GrantFiled: August 27, 2020Date of Patent: July 5, 2022Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chuan-Yu Chang, Jun-Ying Li
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Patent number: 11348261Abstract: A method for processing three-dimensional point cloud data includes a data creation step, a layering step, a gridding step, a data processing step and a two-dimensional image generation step, so that the three-dimensional point cloud data can be converted into a two-dimensional image, and the two-dimensional image can correspond to, identify and store the axial depth and information point features of the point cloud data in three axes.Type: GrantFiled: April 21, 2020Date of Patent: May 31, 2022Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chien-Chou Lin, Kuan-Chi Lin
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Patent number: 11257361Abstract: A vehicle driving shockwave prediction system for active safe driving and a method thereof are provided. Threat messages promulgated from vehicles in high-threat areas are analyzed through a three-tier cloud computing mechanism to reduce driving threats and shockwaves in traffic flow. The predictive backward shockwave analysis approach (PSA) microscopic car-following analysis is performed to achieve active safe driving in autonomous self-driving vehicles and the human-driving vehicles. Therefore, the technical efficacy of using the multi-tier cloud computing to perform the shockwave prediction analysis for active safe driving may be achieved.Type: GrantFiled: August 15, 2019Date of Patent: February 22, 2022Assignee: National Yunlin University of Science and TechnologyInventor: Ben-Jye Chang
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Patent number: 11107393Abstract: An LED panel controlling method is applied to control an LED panel and includes a frame splitting step, a comparing and transmitting step, a laminating step and a controlling step. In the comparing and transmitting step, a plurality of previous datasets of the previous frame are stored in a transmitting module before a plurality of current datasets of the current frames are transmitted to and stored in the transmitting module, and the current datasets are compared to the previous datasets. In the laminating step, the current datasets are laminated with the previous datasets previously stored in the receiving module to form a controlling sequence. In the controlling step, the controlling sequence is received by a driving module to drive the LED row.Type: GrantFiled: August 31, 2020Date of Patent: August 31, 2021Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Shih-Chang Hsia, Wei-Chun Hung
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Patent number: 10891845Abstract: A mouth and nose occluded detecting method includes a detecting step and a warning step. The detecting step includes a facial detecting step, an image extracting step and an occluded determining step. In the facial detecting step, an image is captured by an image capturing device, wherein a facial portion image is obtained from the image. In the image extracting step, a mouth portion is extracted from the facial portion image so as to obtain a mouth portion image. In the occluded determining step, the mouth portion image is entered into an occluding convolutional neural network so as to produce a determining result, wherein the determining result is an occluding state or a normal state. In the warning step, a warning is provided according to the determining result.Type: GrantFiled: November 28, 2018Date of Patent: January 12, 2021Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chuan-Yu Chang, Fu-Jen Tsai
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Patent number: 10846518Abstract: A facial stroking detection method includes a detecting step and a determining step. The detecting step includes a pre-processing step, a feature extracting step and a feature selecting step. In the pre-processing step, an image is captured by an image capturing device, and the image is pre-processed so as to obtain a post-processing image. In the feature extracting step, a plurality of image features are extracted from the post-processing image so as to form an image feature set. In the feature selecting step, a determining feature set is formed by selecting a part of the image features from the image feature set and entered into a classifier. In the determining step, wherein the classifier provides a determining result according to the determining feature set.Type: GrantFiled: November 28, 2018Date of Patent: November 24, 2020Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chuan-Yu Chang, Man-Ju Cheng, Matthew Huei-Ming Ma
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Patent number: 10722126Abstract: A heart rate detection method includes a facial image data acquiring step, a feature points recognizing step, an effective displacement signal generating step and a heart rate determining step. The feature points recognizing step is for recognizing a plurality of feature points, wherein a number range of the feature points is from three to twenty, and the feature points include a center point between two medial canthi, a point of a pronasale and a point of a subnasale of the face. The effective displacement signal generating step is for calculating an original displacement signal, wherein the original displacement signal is converted to an effective displacement signal. The heart rate determining step is for transforming the effective displacement signals of each of the feature points to an effective spectrum, wherein a heart rate is determined from one of the effective spectrums corresponding to the feature points, respectively.Type: GrantFiled: November 28, 2018Date of Patent: July 28, 2020Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chuan-Yu Chang, Hsiang-Chi Liu, Matthew Huei-Ming Ma
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Patent number: 10663589Abstract: A laser interferometer system includes a beam splitter to split a laser beam into first and second beam sets, a first retroreflector mounted to an object to reflect the first beam set, a first detecting device for detecting movements of the object in x-, y- and z-axis directions based on the reflected first beam set, a second retroreflector mounted to the object to reflect the second beam set, and a second detecting device for detecting rotations and movements of the object with respect to the y- and z-axis directions based on the reflected second beam set. The movements of the object in the z-axis direction obtained by the first and second detecting devices are used to obtain a rotation of the object with respect to the x-axis direction.Type: GrantFiled: April 1, 2019Date of Patent: May 26, 2020Assignee: National Yunlin University of Science and TechnologyInventors: Yung-Cheng Wang, Lih-Horng Shyu, Chung-Ping Chang, Hung-Ta Shih, Pi-Cheng Tung
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Patent number: 10533874Abstract: A walk detection method for detecting a motion state of a user includes: measuring a number of triaxial components of gravitational acceleration vector of the device; calculating a triaxial angular velocity of the device; recording data inputs of the triaxial angular velocity, and recording the data inputs not larger than a filtered threshold as effective data inputs; calculating a mean of effective data inputs; calculating a difference value between the effective data inputs and a mean thereof; and determining that, when the difference value is smaller than a threshold of walking state, the user is in a walking state. Otherwise, the user is determined to be in a shaking state at the same location.Type: GrantFiled: September 6, 2016Date of Patent: January 14, 2020Assignees: INSTITUTE OF NUCLEAR ENERGY RESEARCH ATOMIC ENERGY COUNCIL, EXECUTIVE YUAN, NATIONAL YUNLIN UNIVERSITY OF SCIENCE & TECHNOLOGYInventors: Chung-Hao Huang, Lun-Hui Lee, Chian-Cheng Ho, Zu-Hao Lai
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Patent number: 9953461Abstract: A navigation system includes a measurement unit that outputs a positioning signal associated with positioning coordinates, a navigation unit that obtains guidance indication and that outputs a navigation signal, and an image unit that includes a capturing module capturing a series of planar images, a computation module and an augmented reality module. The computation module generates an optical flow signal for obtaining the positioning coordinates, and further outputs a registration signal. The augmented reality module performs image registration processing based on the navigation signal and the registration signal, so that the guidance indication is superimposed on the series of planar images of real-world scene for subsequent display.Type: GrantFiled: September 6, 2016Date of Patent: April 24, 2018Assignees: Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan, National Yunlin University of Science & TechnologyInventors: Chung-Hao Huang, Lun-Hui Lee, Chian-Cheng Ho, Bo-Kai Wang
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Patent number: 9707393Abstract: A feedback-control wearable upper-limb electrical stimulation device includes a plurality of electrical stimulation electrodes (10), a plurality of electromyography signal sensors (20), an electrical stimulation output unit (30), an electromyography signal acquisition unit (35), an electromyography signal operation unit (40), and a control module (50). Each electrical stimulation electrode (10) is adhered to or fixed in contact with a human trunk and applies an electrical stimulation signal to the neuromuscular system of the human trunk. Each electromyography signal sensor (20) is adhered to or fixed in contact with the human trunk at a corresponding position of the neuromuscular system of the human trunk where each electrical stimulation electrode (10) is disposed in an adhered manner. The electrical stimulation output unit (30) is connected to each electrical stimulation electrode (10) and provides an electrical stimulation signal.Type: GrantFiled: August 26, 2011Date of Patent: July 18, 2017Assignee: National Yunlin University of Science and TechnologyInventors: Ya-Hsin Hsueh, Chun-Yu Yeh, Hsin-Chang Lo
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Patent number: 9704067Abstract: A method for automatically generating an image description includes following steps of: obtaining a first image data; analyzing a text file corresponding to the first image data; calculating occurrences and distribution ratios of terms, each of which contains a target word, from the text file, so as to obtain a plurality of the terms having the distribution ratios greater than a threshold; comparing the distribution ratios of the terms so as to find out at least one key term; finding out one of a plurality of lexical chains containing the key term with a greatest distribution ratio so as to generate a narrative language chain; and setting the narrative language chain as a description of the first image data. A system for automatically generating an image description and a non-volatile computer-readable storage media are also disclosed.Type: GrantFiled: June 9, 2016Date of Patent: July 11, 2017Assignee: National Yunlin University of Science and TechnologyInventors: Chuen-Min Huang, Cheng-Yi Wu, Po-Hung Chen
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Patent number: 9691915Abstract: A solar cell with an anti-reflection structure comprises a solar cell substrate, a meshed electric-conduction layer formed on one surface of the solar cell substrate, a plurality of microspheres disposed on the meshed electric-conduction layer, and a dielectric layer. The microspheres have a diameter of 0.1-50 ?m. The dielectric layer is formed between the meshed electric-conduction layer and the microspheres, and has a thickness smaller than the diameter of the microspheres to make the microspheres protrude from the dielectric layer. The meshed electric-conduction layer is formed via a screen-printing method. The present invention uses the microspheres and the meshed electric-conduction layer to achieve an excellent anti-reflection effect. Further, the present invention has the advantages of a simple fabrication process and a low fabrication cost.Type: GrantFiled: February 19, 2015Date of Patent: June 27, 2017Assignee: National Yunlin University of Science and TechnologyInventor: Jian-Yang Lin
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Patent number: 9583970Abstract: A wireless power transfer and rapid charging system with maximum power tracking and a method for the same are revealed. The system includes a transmitter device and a receiver device. First the transmitter device performs maximum power tracking and outputs a fixed resonant frequency. Now the receiver device charges a battery. A voltage detection circuit of the receiver device is detecting charging state of the battery. A high-frequency receiving circuit of the transmitter device checks whether a high-frequency transmission circuit transmits a fully-charged signal. When the high-frequency receiving circuit of the transmitter device receives the fully-charged signal that represents the battery is fully charged, the transmitter device shuts down the power and enters standby mode. Thereby wireless charging can be carried out in different environments. The greater transfer distances, lower output impedance, and higher wireless transmission efficiency can be achieved.Type: GrantFiled: May 15, 2015Date of Patent: February 28, 2017Assignee: National Yunlin University of Science and TechnologyInventors: Shih-Chang Hsia, Jhen-Wun Fan
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Patent number: 9468051Abstract: A light emitting diode (LED) linear light modulator with temperature compensation includes a comparing module, a timing processing module, an LED module and a temperature compensating current control module. The comparing module compares an analog input signal with a triangular wave sampling signal to generate a pulse width modulation (PWM) signal. The PWM signal is inputted into the timing processing module and converted to a digital signal. The temperature compensating current control module, electrically connected to the LED module and the timing processing module, includes a plurality of low-temperature correlated linear current units and a switching switch, and controls a current amount passing through the LED module to generate a low-temperature correlated linear current. Thus, the color temperature of an LED is prevented from drifting with a change in the ambient temperature.Type: GrantFiled: August 27, 2015Date of Patent: October 11, 2016Assignee: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chun-Wei Lin, Jia-Si Lee
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Publication number: 20160221837Abstract: An indoor/outdoor water filtering apparatus having a pump electrically connected to a power device supplied by an external power source or a rechargeable battery with a switch for user selection of a plurality of operating modes for filtering water in different environments, wherein a first mode electrically connects a first loop with a first pressure sensor cutting off power when water pressure exceeds an upper limit, a second mode cuts off power, and a third mode electrically connects a second loop with a second pressure sensor cutting off power when water pressure is lower than a lower limit.Type: ApplicationFiled: February 2, 2015Publication date: August 4, 2016Applicants: JAM HOM CO.,LTD., National Yunlin University of Science & TechnologyInventor: CHING-HSU CHANG
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Patent number: 9397643Abstract: A linear triangular wave generator with stray effect compensation includes a linear triangular wave generating module, a negative impedance converting module, an impedance sensing module and a switch module. The linear triangular wave generator charges/discharges a physical capacitor by a first current source to generate a triangular wave signal, and generates a stray component due to a stray effect. The negative impedance converting module is electrically connected to the linear triangular wave generating module, and includes a negative matching impedance. The switching module is electrically connected to the negative impedance converting module and the impedance sensing module to allow the impedance sensing module to sense an impedance value of the negative matching impedance, so as to calibrate the negative matching impedance and compensate the stray effect to further generate a linear triangular wave signal.Type: GrantFiled: August 27, 2015Date of Patent: July 19, 2016Assignee: National Yunlin University of Science and TechnologyInventors: Chun-Wei Lin, Bao-Yuan Zeng
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Patent number: 9196782Abstract: A dye-sensitized solar cell with hybrid nanostructures comprises a negative-polarity conductive substrate, a metal oxide layer, a positive-polarity conductive substrate and an electrolyte. The metal oxide layer has a plurality of nanoparticles and a plurality of nanotubes. The metal oxide layer and the electrolyte are arranged between the negative-polarity conductive substrate and the positive-polarity conductive substrate. The nanoparticles increase contact area with dye and thus enhance power generation efficiency. The nanotubes increase carrier mobility and thus effectively transfer electricity to electrodes. The solar cell integrates the advantages of nanoparticles and nanotubes and offsets the disadvantages thereof to effectively enhance the photovoltaic conversion efficiency of dye-sensitized solar cells.Type: GrantFiled: January 16, 2013Date of Patent: November 24, 2015Assignee: National Yunlin University of Science and TechnologyInventors: Jian-Yang Lin, Chih-Kai Hu