Patents by Inventor Yongtao Wang
Yongtao Wang 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: 11933835Abstract: The present invention relates to the technical field of fault location of distributed energy resources connected flexible DC distribution network, and disclosed a fault location method, system and application of bipolar short-circuit of two-level VSC-type photovoltaic-connected flexible DC distribution network, wherein, directions of positive currents of DC feeders during fault are used to locate a fault section; a bipolar short-circuit distance measurement model covering interactions and responses of systems is established according to equivalent circuits of transient periods; and fault location is done by obtaining a distance to fault with electric parameters and information of the fault.Type: GrantFiled: June 8, 2023Date of Patent: March 19, 2024Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)Inventors: Zhihua Zhang, Mingming Sun, Yongtao Tian, Hao Wang, Kun Wang, Chengmin Liu
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Publication number: 20240002455Abstract: The present disclosure provides an oligopeptide FTLE isolated from chili pepper seeds, and application thereof in preventing or treating cancer, the oligopeptide is isolated from chili pepper seeds and has an anti-tumor effect, and in particular, the oligopeptide can effectively inhibit the growth and metabolism of HepG2 cells, and has a good application prospect.Type: ApplicationFiled: February 14, 2023Publication date: January 4, 2024Inventors: Liang ZHAO, Xiaojun LIAO, Fengzhang WANG, Yongtao WANG, Lei RAO
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Patent number: 11858970Abstract: The present disclosure provides an oligopeptide FTLE isolated from chili pepper seeds, and application thereof in preventing or treating cancer, the oligopeptide is isolated from chili pepper seeds and has an anti-tumor effect, and in particular, the oligopeptide can effectively inhibit the growth and metabolism of HepG2 cells, and has a good application prospect.Type: GrantFiled: February 14, 2023Date of Patent: January 2, 2024Assignee: CHINA AGRICULTURAL UNIVERSITYInventors: Liang Zhao, Xiaojun Liao, Fengzhang Wang, Yongtao Wang, Lei Rao
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Publication number: 20230250389Abstract: Provided is a microorganism, which is Leuconostoc citreum WSJ-57 deposited under an accession number of CGMCC No. 19201 in the China General Microbiological Culture Collection Center on Dec. 20, 2019.Type: ApplicationFiled: November 24, 2020Publication date: August 10, 2023Inventors: Xiaojun LIAO, Xuan WANG, Liang ZHAO, Yongtao WANG, Xiankui KONG, Hongyan CHEN, Xueqiang WANG, Guanghua LI
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Publication number: 20220202939Abstract: The present disclosure provides a preparation for improving activity and/or thermal stability of superoxide dismutase, and an application thereof. The preparation includes at least one of vitamin C, vitamin p, catechin, quercetin, myricetin, kaempherol, ellagic acid, or ferulic acid.Type: ApplicationFiled: March 21, 2022Publication date: June 30, 2022Inventors: Xiaojun LIAO, Yang ZHAO, Yongtao WANG, Liang ZHAO, Lei RAO
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Publication number: 20220071242Abstract: The present invention relates to the technical field of food science and engineering, and specifically to a method for improving the stability of anthocyanins. In the method, a starch and an anthocyanin are mixed in an aqueous solution of hydrochloric acid, treated at a certain high hydrostatic pressure condition to enable the starch to be gelatinized and to interact with the anthocyanin, and then stored at a certain temperature, so that interaction between the anthocyanin and the starch is further enhanced to form a complex. The method can improve the stability of anthocyanins, which helps to improve the quality of products and extend the shelf life of products.Type: ApplicationFiled: October 23, 2019Publication date: March 10, 2022Inventors: Yongtao WANG, Xiaojun LIAO, Liang ZHAO, Yuwan LI
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Publication number: 20210298330Abstract: The invention relates to an oral solution having high SOD enzymatic activity and the preparation method therefor, wherein the method comprises: pressing edible plant raw materials, followed by removing large particles by means of centrifugation (1000-4000 rpm, 0-30 min); subsequently, separating the supernatant using two processes of ultrafiltration (the first separation adopting a tubular membrane with pore size ranging from 60-120 kD; the second accomplished by an spiral-wound membrane with pore size ranging from 8-30 kD), before treated using ultra-high pressure at 200-600 MPa for a period of 1-20 min. After treated by the method of the invention, SOD has been activated with enhanced enzymatic activity up to above 10000 U/ml, which has addressed problems related to low enzymatic activity of SOD in products. The products obtained by the present method are more beneficial to human health.Type: ApplicationFiled: November 1, 2018Publication date: September 30, 2021Inventors: Xiaojun LIAO, Zhiqiang HOU, Liang ZHAO, Yongtao WANG
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Patent number: 10879450Abstract: A method of fabricating the semiconductor device includes the following steps. Forming a sacrificial portion at a first end of an upper electrode layer before a passivation layer is formed so that it supports a corresponding end portion of the passivation layer, making the passivation layer not suspended at all. In this way, the suspended portion of the passivation layer will not be damaged during the formation of a contact pad. In addition, subsequent to the formation of the contact pad, removing the sacrificial portion, freeing up a space under the end portion of the passivation layer so that the end portion itself becomes a suspended portion. This can ensure performance of the resulting semiconductor device.Type: GrantFiled: August 4, 2020Date of Patent: December 29, 2020Assignee: SEMICONDUCTOR MANUFACTURING ELECTRONICS (SHAOXING) CORPORATIONInventors: Yongtao Wang, Chong Wang, Minhao Cai, Shaohua Xiang
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Publication number: 20200340040Abstract: The present invention discloses a method for quantitatively detecting VBNC state bacteria. The method of the present invention comprises the following steps: treating HPCD-induced VBNC state E. coli O157:H7 with PMA to eliminate the impact of dead and damaged bacteria in the sample on quantification; using the genomic DNA of PMA-treated VBNC state bacteria as a template, ddPCR was performed. The present invention establishes a PMA-ddPCR detection method for rapid quantitative detection of the number of VBNC state bacteria. The detection method of the present invention can achieve accurate detection and quantification of VBNC state bacteria within 4-6 h with a detection range of 101-107 and a quantitative range of 102-107. This method not only has the advantages of strong specificity and high sensitivity, but also has the advantages of accurate quantification, reliable results, simplicity and time saving.Type: ApplicationFiled: January 19, 2018Publication date: October 29, 2020Inventors: Xiaojun LIAO, Kai DONG, Hanxu PAN, Yongtao WANG
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Publication number: 20190254313Abstract: A method of forming a fruit and vegetable juice rich in superoxide dismutase (SOD) comprises subjecting the fruit and vegetable juice to ultra-high-pressure processing, the pressure is 100 MPa to 800 MPa, and the time period is 1 minute to 30 minutes. After processings with the present method, the enzymatic activity of SOD is stable and, at the same time, the microorganisms in the fruit and vegetable juice can be killed. Thus, fruit and vegetable juices rich in superoxide SOD may be provided thereby.Type: ApplicationFiled: March 31, 2016Publication date: August 22, 2019Applicants: China Agricultural University, China Agricultural UniversityInventors: Xiaojun Liao, Zhiqiang Hou, Liang Zhao, Yongtao Wang
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Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
Patent number: 10333765Abstract: Methods and systems for I/Q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (RF) channels, downconverting the received plurality of received RF channels to baseband frequencies, determining and removing average in-phase (I) and quadrature (Q) gain and phase mismatch of the downconverted channels, determining a phase and amplitude tilt of the downconverted channels with removed average I and Q gain and phase mismatch, and compensating for said phase and amplitude tilt I and Q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. The average I and Q gain and phase mismatch may be determined utilizing a blind source separation (BSS) estimation algorithm.Type: GrantFiled: August 21, 2017Date of Patent: June 25, 2019Assignee: Maxlinear, Inc.Inventors: Yongtao Wang, Curtis Ling, Timothy Gallagher -
Patent number: 10295200Abstract: A wall-mounted air conditioner indoor unit includes a housing having a front housing and a rear housing, main air intake portions formed on the housing, a mixed air outlet formed on a lower portion of the front housing, a non-hot exchange air inlet formed on the rear housing, and an air delivery apparatus disposed inside the housing. A volute and a centrifugal fan located inside the volute are disposed inside the housing and above the air delivery apparatus. An air output portion of the volute faces the hot exchange air passage, and includes a surrounding portion extending to the air delivery apparatus and surrounding the hot exchange air passages, and air mixed cavities are formed between the surrounding portion and the hot exchange air passages.Type: GrantFiled: March 13, 2015Date of Patent: May 21, 2019Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Yongtao Wang, Tingting Guan, Jian Li, Zhongni Wu, Baosheng Yan, Guangfen Jia
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Patent number: 10295201Abstract: The invention discloses a wall-mounted air conditioner including an indoor unit. The indoor unit includes a front housing and a rear housing forming housing, the housing is provided with main air intake portions, heat exchangers are disposed inside the housing, both orthographic projection of the front housing and the rear housing are circular or approximately circular, the rear housing is located within a limiting area of the front housing, a surface of the front housing is an arc surface in which an upper portion and a lower portion contract backwards and a middle portion protrudes forwards, and a lower portion of the front housing is provided with an air outlet. The wall-mounted air conditioner according to the invention improves a structure of an existing wall-mounted air conditioner and can output air backwards, thereby ensuring fast flow and temperature adjustment of indoor air.Type: GrantFiled: March 13, 2015Date of Patent: May 21, 2019Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Yongtao Wang, Tingting Guan, Jian Li, Zhongni Wu, Baosheng Yan, Guangfen Jia
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Publication number: 20190109437Abstract: Provided are an ion air supply module needle net layout method and an ion air supply module. The layout method comprises: step 1, a wind speed test: adjusting a distance between a single discharge needle and a metal net, so that an ion wind speed at the wind speed central point position of the metal net is at the maximum, and measuring a distance value L between a tip of the discharge needle and the metal net; step 2, a projection radius measurement: measuring a wind speed Vr deviating from the wind speed central point position, and when Vr=aVmax, measuring that the distance between a wind speed measurement point and a wind speed central point is r; and step 3, a needle net layout: setting the distance between the tip of the discharge needle and the metal net to be within the range of (0.7-1.3)L, with the distance between tips of two adjacent discharge needles being within the range of (0.7-1.3)r.Type: ApplicationFiled: May 31, 2016Publication date: April 11, 2019Applicants: QINGDAO HAIER SMART TECHNOLOGY R & D CO., LTD, HARBIN INSTITUTE OF TECHNOLOGYInventors: Jingfeng TANG, Liqiu WEI, Daren YU, Yongtao WANG, Lichen ZHANG, Jian LI, Jingjing WANG, Zhuang MA, Linqiang TANG
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Patent number: 10257908Abstract: LED device protection circuits and protection methods are provided. An exemplary LED device protection circuit includes a first comparator, a protection-signal generating circuit, a sampling-voltage acquisition circuit, and a first reference-voltage acquisition circuit. The first comparator is connected with the sampling-voltage acquisition circuit and the first reference-voltage acquisition circuit, respectively. The first comparator is further connected with the protection-signal generating circuit. The first comparator is configured for comparing a sampling voltage outputted from the sampling-voltage acquisition circuit with a first reference voltage outputted from the first reference-voltage acquisition circuit, and outputting a pulse signal in accordance with a comparison result to the protection-signal generating circuit for generating a protection signal when the pulse signal satisfies a preset condition. The protection signal is configured for turning off an output load connected to a dimmer.Type: GrantFiled: December 7, 2016Date of Patent: April 9, 2019Assignee: SENGLED CO., LTD.Inventors: Yongtao Wang, Junshan Lou, Jinxiang Shen
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Patent number: 10240804Abstract: A wall-mounted air conditioner indoor unit includes a housing having a front housing and a rear housing, main air intake portions formed on the housing, a mixed air outlet formed on a lower portion of the front housing, a non-hot exchange air inlet formed on the rear housing, and an air delivery apparatus disposed inside the housing. The hot exchange air passage has an upper portion with a size greater than that of its lower portion. A volute and a centrifugal fan located inside the volute are disposed inside the housing and above the air delivery apparatus. An air output portion of the volute faces the hot exchange air passage, and includes a surrounding portion extending to the air delivery apparatus and surrounding the hot exchange air passages, and air mixed cavities are formed between the surrounding portion and the hot exchange air passages.Type: GrantFiled: March 13, 2015Date of Patent: March 26, 2019Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Yongtao Wang, Tingtiing Guan, Jian Li, Zhongni Wu, Baosheng Yan, Guangfen Jia
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Patent number: 10164673Abstract: Disclosed is a DC offset cancellation (DCOC) method, comprising: after a receiver is electrified, acquiring a digital signal of an offset voltage at a circuit output port in the receiver, obtaining a digital control signal for controlling a DCOC output stage from the digital signal, and outputting, by the DCOC output stage, a current to a corresponding circuit of the receiver according to the digital control signal. Also disclosed is a DC offset cancellation device.Type: GrantFiled: March 23, 2015Date of Patent: December 25, 2018Assignee: Sanechips Technology Co., Ltd.Inventors: Haolv Xie, Yongtao Wang, Zhuoyao Wang, Muheng Fu
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Publication number: 20180206301Abstract: LED device protection circuits and protection methods are provided. An exemplary LED device protection circuit includes a first comparator, a protection-signal generating circuit, a sampling-voltage acquisition circuit, and a first reference-voltage acquisition circuit. The first comparator is connected with the sampling-voltage acquisition circuit and the first reference-voltage acquisition circuit, respectively. The first comparator is further connected with the protection-signal generating circuit. The first comparator is configured for comparing a sampling voltage outputted from the sampling-voltage acquisition circuit with a first reference voltage outputted from the first reference-voltage acquisition circuit, and outputting a pulse signal in accordance with a comparison result to the protection-signal generating circuit for generating a protection signal when the pulse signal satisfies a preset condition. The protection signal is configured for turning off an output load connected to a dimmer.Type: ApplicationFiled: December 7, 2016Publication date: July 19, 2018Inventors: Yongtao WANG, Junshan LOU, Jinxiang SHEN
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Method And System For I/Q Mismatch Calibration And Compensation For Wideband Communication Receivers
Publication number: 20170373912Abstract: Methods and systems for I/Q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (RF) channels, downconverting the received plurality of received RF channels to baseband frequencies, determining and removing average in-phase (I) and quadrature (Q) gain and phase mismatch of the downconverted channels, determining a phase and amplitude tilt of the downconverted channels with removed average I and Q gain and phase mismatch, and compensating for said phase and amplitude tilt I and Q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. The average I and Q gain and phase mismatch may be determined utilizing a blind source separation (BSS) estimation algorithm.Type: ApplicationFiled: August 21, 2017Publication date: December 28, 2017Inventors: Yongtao Wang, Curtis Ling, Timothy Gallagher -
Publication number: 20170324435Abstract: Disclosed is a DC offset cancellation (DCOC) method, comprising: after a receiver is electrified, acquiring a digital signal of an offset voltage at a circuit output port in the receiver, obtaining a digital control signal for controlling a DCOC output stage from the digital signal, and outputting, by the DCOC output stage, a current to a corresponding circuit of the receiver according to the digital control signal. Also disclosed is a DC offset cancellation device.Type: ApplicationFiled: March 23, 2015Publication date: November 9, 2017Inventors: Haolv Xie, Yongtao Wang, Zhuoyao Wang, Muheng Fu