Patents Assigned to National Chiao Tung University
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Patent number: 10718989Abstract: An electrically tunable focusing achromatic lens includes a first liquid crystal cell, a second liquid crystal cell, and first and second electrode layer units which have two predetermined patterns for permitting two predetermined radially varying electric fields to be generated to across the first and second liquid crystal cells, respectively, to thereby allow one of the first and second liquid crystal cells to acquire a predetermined positive optical power and the other one of the first and second liquid crystal cells to acquire a predetermined negative optical power. When an incident light passes through the first and second liquid crystal cells, chromatic aberration of the first liquid crystal cell can be counterbalanced by that of the second liquid crystal cell.Type: GrantFiled: February 25, 2019Date of Patent: July 21, 2020Assignee: National Chiao Tung UniversityInventors: Yu-Jen Wang, Hung-Chun Lin, Yi-Hsin Lin
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Patent number: 10710878Abstract: A hydrogen generation method including steps as follows: adding a nitrogen-substituted derivative of an alkyldithiolate ruthenium complex as a biomimetic hydrogenase photocatalyst into a solution, adding an organic acid into the solution, adding a P-ligand into the solution, adding an electron donor into the solution, and irradiating the solution with light in order to generate hydrogen.Type: GrantFiled: July 26, 2017Date of Patent: July 14, 2020Assignee: National Chiao Tung UniversityInventors: Tung-Kung Wu, Jia-Hao Lin, Chun-Sheng Peng, Yi-Ting Chen
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Patent number: 10694959Abstract: The present invention provides an image based blood pressure monitoring method, comprising: acquiring at least a human image information of at least a human skin area; according to the human image information to locate at least a ROI; extracting the human image information of the ROI, and calculate; filtering the average value of the human image information; monitoring the filtered signal; calculating an image pulse transmit time of the filtered signal, and calculating an inter-beat interval of the filtered signal; and employ the specific prediction model, to calculate a systolic pressure value and a diastolic pressure value.Type: GrantFiled: July 20, 2018Date of Patent: June 30, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei Wu, Po-Wei Huang, Chun-Hao Lin, Meng-Liang Chung, Tzu-Min Lin
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Patent number: 10690926Abstract: A near-eye augmented reality device includes an imaging unit including a plurality of imaging portions having birefringence and positive diopter, a lighting unit, and a polarization-control unit. The lighting unit is spaced apart from the imaging unit, and includes a base plate and a plurality of pixel modules. The base plate has a first surface proximal to the imaging unit, and an opposite second surface. Each of the pixel modules is operative to produce an imaging light directed towards the imaging unit. The polarization-control unit is operative to control polarization states of the image light and an ambient light.Type: GrantFiled: May 7, 2019Date of Patent: June 23, 2020Assignee: National Chiao Tung UniversityInventors: Yi-Pai Huang, Zong Qin, Ping-Yen Chou, Jui-Yi Wu, Yu-Ting Chen, Wei-An Chen
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Patent number: 10687736Abstract: A method of recommending an assistive device for a user includes: (A) providing a recommendation system that includes a measuring device, an output device and a processing device; (B) the measuring device performing measurement associated with a body part of a user to generate measurement information associated with the body part of the user; (C) the processing device receiving the measurement information from the measuring device, and generating recommendation of an assistive device according to the measurement information; and (D) the output device outputting a message associated with the recommendation.Type: GrantFiled: March 1, 2017Date of Patent: June 23, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Shiang Yang, Yu-Tang Wen, Hsin-Yi Tung
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Publication number: 20200182785Abstract: A biological signal analyzing device configured to generate a first detection image or a second detection image is provided. The biological signal analyzing device includes a light-incident surface, a light-emitting surface and a plurality of optical-resonance structures. The sample is placed near the light incident surface, and receives a first light through the sample. The light resonance structures are configured to process the first light and generate a second and third light. The second light emits from the light emitting surface, and adapted to form the first detection image corresponding to the sample, and the third light emits from the light incident surface, and adapted to form the second detection image corresponding to the sample. The optical resonance structures vary their thickness along the first direction or vary the width along the second direction. A biological sensing apparatus, a sensing method and a fabrication method are also provided.Type: ApplicationFiled: June 13, 2019Publication date: June 11, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Cheng-Sheng Huang, Chan-Te Hsiung, Yen-Chieh Wang
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Publication number: 20200184229Abstract: A people-flow analysis system includes an image source, a computing device, and a host. The image source captures a first image and a second image. The computing device is connected to the image source. The computing device identifies the first image according to a data set to generate a first detecting image. The first detecting image has a position box corresponding to a pedestrian in the first image. The computing device generates a tracking image according to the data set and a difference between the first detecting image and the second image. The tracking image has another position box corresponding to a pedestrian in the second image. The host is connected to the computing device and generates a people-flow list according to the first detecting image and the tracking image.Type: ApplicationFiled: July 8, 2019Publication date: June 11, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: BING-FEI WU, CHUN-HSIEN LIN, PO-WEI HUANG, MENG-LIANG CHUNG
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Patent number: 10677805Abstract: The invention relates to color-changing eye drops for early screening Alzheimer's disease and an application thereof. The color-changing eye drop for early screening Alzheimer's disease comprises 1 pg/ml to 10 ng/ml of A?42 aptamer-gold nanoparticles (AuNPs) and a pharmaceutically acceptable carrier or vehicle thereof, which can be used to mix with a tear sample of a test subject to analyze a color change of the color-changing eye drop for determining the concentration proportion of A?40:A?42 contained in the tear sample of the test subject.Type: GrantFiled: June 14, 2019Date of Patent: June 9, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Jung-Chih Chen, I-Chiu Li, Kun-Che Li, Ching-Cheng Chuang, Mei-Lan Ko, Han-Chien Chuang, Ming-Hung Chien, Yu-Rong Wang, Hung-Ru Wang
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Patent number: 10673813Abstract: The present invention provides a method for NAT traversal in VPN so that the VPN can detect the rule of port allocation for NAT outside the VPN to achieve NAT traversal. The communication structure according to the present invention includes a public network, a client network, a destination network, a first NAT, a second NAT. A DNAT-T proxy server is installed between the first NAT and the second NAT and has the function for the VPN to conduct a plurality of (N times) registrations before sending data out to detect the rule for NAT port allocation of the DNAT-T proxy server, and then inform the next NAT port allocation to the other side of the VPN so as to achieve NAT traversal for the data packets in VPN.Type: GrantFiled: February 1, 2018Date of Patent: June 2, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsueh Ming Hang, Shaw Hwa Hwang, Cheng Yu Yeh, Bing Chih Yao, Kuan Lin Chen, Yao Hsing Chung, Shun Chieh Chang, Chi Jung Huang, Li Te Shen, Ning Yun Ku, Tzu Hung Lin, Ming Che Yeh
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Publication number: 20200147514Abstract: An atmospheric water generator for extracting water droplets from ambient air includes an insulating substrate, a plurality of electrode film units, and a liquid crystal/polymer composite film. Each of surface regions of the liquid crystal/polymer composite film has a plurality of liquid crystal molecules each having a hydrophilic functional group and a hydrophobic moiety. Each of the surface regions normally has one of hydrophilic and hydrophobic properties. When a voltage is applied to one of the electrode film units, the respective surface region is switched to have the other one of hydrophilic and hydrophobic properties, to thereby allow the water droplets condensed from the ambient air to move on the surface regions.Type: ApplicationFiled: January 17, 2019Publication date: May 14, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Yi-Hsin LIN, Chia-Ming CHANG
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Patent number: 10644911Abstract: A multi-level pulse-amplitude modulation receiver system includes an analog equalizer, a digital equalizer, an automatic level tracking engine and an automatic gain controller. The analog equalizer and the automatic gain controller perform signal compensation on a multi-bit quasi-attenuation signal to generate a multi-level compensation signal. The digital equalizer receives the multi-level compensation signal, the positive threshold voltage and the negative threshold voltage, and thereby converts the multi-level compensation signal into a plurality of digital data. The automatic level tracking engine uses the digital data to generate a positive threshold voltage, a negative threshold voltage, at least two positive DC level voltages, and at least two negative DC level voltages, and the positive threshold voltage is an average of the two positive DC level voltages to avoid the nonlinear effect of the analog front end.Type: GrantFiled: August 22, 2019Date of Patent: May 5, 2020Assignee: National Chiao Tung UniversityInventors: Wei-Zen Chen, Chia-Tse Hung, Yu-Ping Huang, Yao-Chia Liu
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Publication number: 20200132618Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.Type: ApplicationFiled: July 18, 2019Publication date: April 30, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsiao-Wen ZAN, Hsin-Fei MENG, Yu-Chi LIN, Shang-Yu YU, Ting-Wei TUNG, Yi-Chu WU, Yu-Nung MAO
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Publication number: 20200132453Abstract: Pressure assisted positioning method and device thereof are disclosed in the present invention. The pressure assisted positioning device is exerted for positioning a target under the circumstance of altitude change since the target enters a specific region. The pressure assisted positioning method includes the following steps. First, confirming the entrance of the specific region of the target and detecting a plurality of pressure data. Then, calculating a pressure variation between the two selected pressure data. At last, comparing the pressure variation to a threshold. An altitude change within the specific region is confirmed as the pressure variation is greater than the threshold. On the other hand, as the pressure variation is greater than the threshold, it refers to no altitude change within the specific region.Type: ApplicationFiled: October 28, 2019Publication date: April 30, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ping-Fan Ho, Chia-Cheng Wang, Jyh-Cheng Chen
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Patent number: 10622841Abstract: A resonant magnetic coupling wireless power transfer system with calibration capabilities of the resonant frequencies of its power transmitter(s) and power receiver(s) is disclosed. The system detects the peak voltages of the coil inductors or the resonant capacitors and tunes the resonant capacitors until the detected peak voltages reach their maximal values given proper setup conditions, so as to calibrate the inductor-capacitor (LC) resonance frequencies of the power transmitter(s) and the power receiver(s) in the resonant magnetic coupling wireless power transfer system to achieve the highest power transferred to the load and a high PTE.Type: GrantFiled: January 24, 2018Date of Patent: April 14, 2020Assignee: National Chiao Tung UniversityInventor: Hao-Chiao Hong
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Patent number: 10613350Abstract: An electrically focus-tunable lens of an active matrix type includes a basic lens and a transparent phase modulator which includes a first transparent substrate, a second transparent substrate, a liquid crystal layer, a common electrode unit, a phase modulation electrode unit, and an array of thin film transistors. Each liquid crystal portion of the liquid crystal layer is independently controlled by applying a predetermined voltage between the common electrode and a corresponding one of data electrode strips of the phase modulation electrode unit to provide each pixel area of the transparent phase modulator with an independent refractive index so as to create a phase modulation profile for the transparent phase modulator.Type: GrantFiled: June 11, 2018Date of Patent: April 7, 2020Assignee: National Chiao Tung UniversityInventors: Yi-Hsin Lin, Hung-Chun Lin
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Patent number: 10614553Abstract: The present invention provides a method for Spherical Camera Image Stitching. By using two fisheye lens to catch two fisheye images and then being developed into three pairs of flat figures based on Segmented Sphere Projection (SSP) method. Thereafter each corresponding pair is stitched based on a similar-edge method, and then three pairs are combined to form a panoramic image. At the end, the combined panoramic image is projected to a 3-D ball sphere space.Type: GrantFiled: May 17, 2019Date of Patent: April 7, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Shih Ching Wang, Hsueh Ming Hang, Shaw Hwa Hwang
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Patent number: 10610425Abstract: The present invention provides a wrapping device for wrapping body parts. Said wrapping device comprises a rotation module having a first roller ring, a second roller ring, and a plurality of connecting parts; a driving module driving at least one of the first roller ring and the second roller ring to revolve; and at least a pressing device disposed on the second roller ring. In said wrapping device, the first roller ring and the second roller ring are separately and coaxially disposed, while the opposite ends of each of the plurality of connecting parts are separately connected to the first roller ring and the second roller ring. In addition, the first roller ring includes a first ring hole surrounded and formed by a first inner ring wall, and the second roller ring includes a second ring hole surrounded and formed by a second inner ring wall. Said at least a pressing device protrudes toward an inner space of the second ring hole.Type: GrantFiled: June 12, 2017Date of Patent: April 7, 2020Assignee: National Chiao Tung UniversityInventors: Bing-Shiang Yang, Jian-Mu Lai
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Publication number: 20200106606Abstract: In a post-quantum asymmetric key generation method and system, a processing unit generates, based on a prime and an arithmetic function or a classical string, a prime vector which has an infinite number of components; generates a prime array based on the prime vector; generates an associated matrix based on the prime array; obtains, based on the associated matrix and a first reference prime, a first reference inverse prime array that serves as a private key; and obtains a public key that is paired with the private key based on a second reference inverse prime array. The second reference inverse prime array is obtained based on the associated matrix, the first reference prime, a second reference prime, and a randomization array.Type: ApplicationFiled: June 21, 2019Publication date: April 2, 2020Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ricardo Neftali PONTAZA RODAS, Ying-Dar LIN
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Patent number: 10601032Abstract: Provided is a composite electrode material. The composite electrode material is disposed on a surface of an electrode. The composite electrode material includes a plurality of conductive material layers and a plurality of active material layers. The conductive material layers and the active material layers are alternately stacked along a direction non-parallel to the surface of the electrode, and are arranged disorderly along a direction parallel to the surface of the electrode.Type: GrantFiled: October 4, 2016Date of Patent: March 24, 2020Assignee: National Chiao Tung UniversityInventors: Tseung-Yuen Tseng, Chih-Chieh Yang
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Patent number: 10596375Abstract: A cochlear implant device comprises a receiver, a processing device, a first electrode and a second electrode. The receiver is configured to receive outside voice signal. The processing device is coupled to the receiver, configured to receive and transfer the voice signal to an electrical stimulation signal. The first electrode connects to the processing device, disposed on stapes footplate ligament or oval window. The second electrode connects to the processing device, disposed on round window. Wherein the electrical stimulation signal is applied to stapes footplate ligament, oval window or round window to stimulate acoustic nerve through the first electrode or the second electrode.Type: GrantFiled: August 18, 2017Date of Patent: March 24, 2020Assignee: National Chiao Tung UniversityInventors: Chia-Fone Lee, Yuan-Fang Chou, Chung-Yu Wu, Ming-Dou Ker, Chung-Chih Hung, Xin-Hong Qian