Patents by Inventor Ru Han
Ru Han 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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Patent number: 12245847Abstract: A microcirculation detection system including a heating device, a photosensitive array and a processing unit is provided. The heating device is used to heat a skin area. The photosensitive array is used to detect outgoing light from the skin area, and output a plurality of brightness variation signals respectively at different time points within a heating period. The processing unit is used to calculate a change of an array energy distribution varied within the heating period according to the plurality of brightness variation signals to accordingly identify a microcirculation state.Type: GrantFiled: March 8, 2022Date of Patent: March 11, 2025Assignee: PIXART IMAGING INC.Inventors: Wei-Ru Han, Chih-Yuan Chuang
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Patent number: 11918329Abstract: A physiological detection device includes system including a first array PPG detector, a second array PPG detector, a display and a processing unit. The first array PPG detector is configured to generate a plurality of first PPG signals. The second array PPG detector is configured to generate a plurality of second PPG signals. The display is configured to show a detected result of the physiological detection system. The processing unit is configured to convert the plurality of first PPG signals and the plurality of second PPG signals to a first 3D energy distribution and a second 3D energy distribution, respectively, and control the display to show an alert message.Type: GrantFiled: April 23, 2021Date of Patent: March 5, 2024Assignee: PIXART IMAGING INC.Inventors: Chiung-Wen Lin, Wei-Ru Han, Yang-Ming Chou, Cheng-Nan Tsai, Ren-Hau Gu, Chih-Yuan Chuang
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Patent number: 11614362Abstract: A method of digital measuring the color of fabrics based on digital camera, includes: making plain fabric samples; obtaining ground-truth color of plain fabrics using a spectrophotometer; capturing a raw format digital image of the plain fabrics using the digital camera and extracting raw camera responses of the plain fabrics; capturing a raw format digital image of a target fabric and extracting the raw camera responses of a ROI in the target fabric; calculating a Euclidean distance and a similarity coefficient between the raw camera responses of the ROI in the target fabric and the plain fabrics; normalizing the Euclidean distance and the similarity coefficient; calculating a weighting coefficient of each color data of the plain fabrics based on the normalized Euclidean distance and similarity coefficient; weighting every color data of plain fabrics with a corresponding weighting coefficient; and summing the weighted color data of the plain fabrics.Type: GrantFiled: July 20, 2022Date of Patent: March 28, 2023Assignee: WUHAN TEXTILE UNIVERSITYInventors: Jin Xing Liang, Zhuan Zuo, Jing Zhou, Xin Rong Hu, Ru Han He, Qi Liu, Li Kun Xie, Jing Yao Cheng, Hong Huan Yang, Xin Ran Li, Ran Jin, Ling Yue Gao
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Publication number: 20220183577Abstract: A microcirculation detection system including a heating device, a photosensitive array and a processing unit is provided. The heating device is used to heat a skin area. The photosensitive array is used to detect outgoing light from the skin area, and output a plurality of brightness variation signals respectively at different time points within a heating period. The processing unit is used to calculate a change of an array energy distribution varied within the heating period according to the plurality of brightness variation signals to accordingly identify a microcirculation state.Type: ApplicationFiled: March 8, 2022Publication date: June 16, 2022Inventors: WEI-RU HAN, CHIH-YUAN CHUANG
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Publication number: 20220175729Abstract: The present invention provides a method for treating cancer, the method including the step of: administering a therapeutically effective concentration of chlorophyllide to a subject in need thereof. The present invention further provides a method for treating cancer, the method including the step of: administering a composition to a subject in need thereof, wherein the composition includes: a therapeutically effective concentration of chlorophyllide and a therapeutically effective concentration of anthracycline.Type: ApplicationFiled: November 30, 2021Publication date: June 9, 2022Inventors: Chih-Hui YANG, Jei-Fu SHAW, Yi-Ting WANG, Ting-Yu HUANG, Mi-Hsueh TAI, Pei-Han SHIH, Ru-Han SIE
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Patent number: 11311203Abstract: A microcirculation detection system including a heating device, a photosensitive array and a processing unit is provided. The heating device is used to heat a skin area. The photosensitive array is used to detect outgoing light from the skin area, and output a plurality of brightness variation signals respectively at different time points within a heating period. The processing unit is used to calculate a change of an array energy distribution varied within the heating period according to the plurality of brightness variation signals to accordingly identify a microcirculation state.Type: GrantFiled: March 18, 2019Date of Patent: April 26, 2022Assignee: PIXART IMAGING INC.Inventors: Wei-Ru Han, Chih-Yuan Chuang
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Patent number: 11213217Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.Type: GrantFiled: October 8, 2019Date of Patent: January 4, 2022Assignee: PIXART IMAGING INC.Inventors: Wei-Ru Han, Chih-Yuan Chuang, Cheng-Nan Tsai, Ren-Hau Gu
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Publication number: 20210236016Abstract: A physiological detection device includes system including a first array PPG detector, a second array PPG detector, a display and a processing unit. The first array PPG detector is configured to generate a plurality of first PPG signals. The second array PPG detector is configured to generate a plurality of second PPG signals. The display is configured to show a detected result of the physiological detection system. The processing unit is configured to convert the plurality of first PPG signals and the plurality of second PPG signals to a first 3D energy distribution and a second 3D energy distribution, respectively, and control the display to show an alert message.Type: ApplicationFiled: April 23, 2021Publication date: August 5, 2021Inventors: CHIUNG-WEN LIN, WEI-RU HAN, YANG-MING CHOU, CHENG-NAN TSAI, REN-HAU GU, CHIH-YUAN CHUANG
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Patent number: 11020013Abstract: A physiological detection device includes an array sensor and a processing unit. The array sensor is configured to output array photoplethysmography (PPG) signals. The processing unit is configured to construct a 3D energy distribution, and identify an arc-like pattern in the 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states and an attaching status.Type: GrantFiled: June 4, 2018Date of Patent: June 1, 2021Assignee: PIXART IMAGING INC.Inventors: Chiung-Wen Lin, Wei-Ru Han, Yang-Ming Chou, Cheng-Nan Tsai, Ren-Hau Gu, Chih-Yuan Chuang
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Publication number: 20200037897Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.Type: ApplicationFiled: October 8, 2019Publication date: February 6, 2020Inventors: WEI-RU HAN, CHIH-YUAN CHUANG, CHENG-NAN TSAI, REN-HAU GU
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Patent number: 10478080Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.Type: GrantFiled: December 1, 2015Date of Patent: November 19, 2019Assignee: PIXART IMAGING INC.Inventors: Wei-Ru Han, Chih-Yuan Chuang, Cheng-Nan Tsai, Ren-Hau Gu
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Publication number: 20190209026Abstract: A microcirculation detection system including a heating device, a photosensitive array and a processing unit is provided. The heating device is used to heat a skin area. The photosensitive array is used to detect outgoing light from the skin area, and output a plurality of brightness variation signals respectively at different time points within a heating period. The processing unit is used to calculate a change of an array energy distribution varied within the heating period according to the plurality of brightness variation signals to accordingly identify a microcirculation state.Type: ApplicationFiled: March 18, 2019Publication date: July 11, 2019Inventors: Wei-Ru HAN, Chih-Yuan CHUANG
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Publication number: 20190082984Abstract: A method for establishing a personal blood pressure estimation model dedicated for a specific user includes: receiving a first reference measurement result of a reference sphygmomanometer; using a PPG sensor to measure a blood pressure of the specific user to generate a first PPG signal; calculating a first estimation result of the blood pressure of the specific user according to the first PPG signal; generating a first regulating parameter by comparing the first reference measurement result with the first estimation result; and establishing the personal blood pressure estimation model by using the first regulating parameter to adjust a set of parameter factor (s) of a basic blood pressure estimation model.Type: ApplicationFiled: September 19, 2017Publication date: March 21, 2019Inventors: Wei-Ru Han, Chih-Yuan Chuang, Yuan-Hsin Liao
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Publication number: 20180271391Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.Type: ApplicationFiled: June 4, 2018Publication date: September 27, 2018Inventors: Chiung-Wen LIN, Wei-Ru HAN, Yang-Ming CHOU, Cheng-Nan TSAI, Ren-Hau GU, Chih-Yuan CHUANG
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Publication number: 20170196469Abstract: A blood pressure detection method includes the steps of: acquiring a PPG signal from a skin surface using a light sensing element; calculating a blood pressure corresponding to each pulse duration according to at least one pressure estimation model and a time difference between two feature points within one pulse duration; calculating a breathing period; averaging a plurality of blood pressures within the breathing period to generate an average blood pressure; and showing the average blood pressure with a display device.Type: ApplicationFiled: November 14, 2016Publication date: July 13, 2017Inventors: Wei-Ru HAN, Ren-Hau GU, Chih-Yuan CHUANG
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Publication number: 20170150919Abstract: A breath detection method includes the steps of: receiving a PPG signal; recognizing a low frequency carrier of the PPG signal; recognizing a rising part of the low frequency carrier and a falling part of the low frequency carrier, wherein a frequency of the low frequency carrier represents a breathing cycle period of a user, the rising part represents one of a breathing out state and a breathing in state of the user, and the falling part represents the other one of the breathing out state and the breathing in state; and real-timely outputting at least one of the breathing cycle period, the breathing out state or the breathing in state.Type: ApplicationFiled: October 28, 2016Publication date: June 1, 2017Inventors: Chih-Yuan CHUANG, Wei-Ru HAN, Ming-Chang LI
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Publication number: 20160220130Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.Type: ApplicationFiled: December 1, 2015Publication date: August 4, 2016Inventors: WEI-RU HAN, CHIH-YUAN CHUANG, CHENG-NAN TSAI, REN-HAU GU
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Publication number: 20140168909Abstract: Attachment structures for electrically coupling a microelectronic package to a microelectronic board/interposer including joint pads formed on the microelectronic board/interposer which provide a gap between respective openings in a solder resist layer of the microelectronic substrate and each of the joint pads. Such attachment structures may reduce or substantially eliminate contact between a solder interconnect and a solder resist layer of the microelectronic board/interposer, which may, in turn, reduce or substantially eliminate the potential of crack initiation and propagation at contact areas between the solder interconnect and a solder resist layer of the microelectronic board/interposer due to stresses induced by a mismatch of thermal expansion between the microelectronic package and the microelectronic board/interposer during thermal cycling.Type: ApplicationFiled: December 19, 2012Publication date: June 19, 2014Inventors: Tieyu Zheng, Jin A. Zhao, Ru Han, Min Pei
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Publication number: 20090165533Abstract: A nanostructure sensing device includes a substrate, a nanotube disposed over the substrate, and at least two conductive elements electrically connected to the nanotube. A electric current on the order of about 10 ?A, or greater, is passed through the conductive elements and the nanotube. As a result, the nanotube heats up relative to the substrate. In the alternative, some other method may be used to heat the nanotube. When operated as a sensor with a heated nanotube, the sensor's response and/or recovery time may be markedly improved.Type: ApplicationFiled: October 3, 2008Publication date: July 2, 2009Applicant: NANOMIX, INC.Inventors: Tzong-Ru Han, Alexander Star, Philip G. Collins, Jean-Christophe P. Gabriel, George Gruner, Keith Bradley
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Publication number: 20090101996Abstract: A nanoelectronic device includes a nanostructure, such as a nanotube or network of nanotube, disposed on a substrate. Nanoparticles are disposed on or adjacent to the nanostructure so as to operatively effect the electrical properties of the nanostructure. The nanoparticles may be composed of metals, metal oxides or salts and nanoparticles composed of different materials may be present. The amount of nanoparticles may be controlled to preserve semiconductive properties of the nanostructure, and the substrate immediately adjacent to the nanostructure may remain substantially free of nanoparticles. A method for fabricating the device includes electrodeposition of the nanoparticles using one of more solutions of dissolved ions while providing an electric current to the nanostructures but not to the surrounding substrate.Type: ApplicationFiled: November 10, 2008Publication date: April 23, 2009Applicant: NANOMIX, INC.Inventors: Keith BRADLEY, Alona J. Davis, Jean-Christophe P. Gabriel, Tzong-Ru Han, Vikram Joshi, Alexander Star