Patents by Inventor Guodong Liang
Guodong Liang 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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Publication number: 20240121016Abstract: Embodiments of the present disclosure provide an amplitude and phase calibration method and device, a storage medium, and an electronic device. The method includes: receiving a plurality of signals to be calibrated, with the plurality of signals to be calibrated being signals of one or more digital channels; routing the plurality of signals to be calibrated to a plurality of basic units, with each of the basic units configured to process one of the signals to be calibrated; and performing amplitude and phase calibration on the plurality of signals to be calibrated by the plurality of basic units.Type: ApplicationFiled: November 23, 2021Publication date: April 11, 2024Inventors: Guodong LIANG, Xiaoliang GONG, Anwen HU, Yan GUO
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Patent number: 11925498Abstract: The present disclosure relates to reconstructing an image.Type: GrantFiled: September 29, 2020Date of Patent: March 12, 2024Assignee: Shenyang Intelligent Neuclear Medical Technology Co., Ltd.Inventors: Rumei Zhang, Long Yang, Peng Gao, Guodong Liang, Jun Zhang
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Patent number: 11917904Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.Type: GrantFiled: July 12, 2023Date of Patent: February 27, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Weifeng Liang, Wenming Guo, Juanjuan Sun, Bo Luan, Yongsheng Guo, Guodong Chen
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Patent number: 11760709Abstract: The present disclosure provides a method for preparing resorcinol through micro-channel reaction. In the method, resorcinol is prepared through micro-channel reaction using m-aminophenol as a raw material, a diazo salt is synthesized at 0° C. or more, hydrolysis of the diazo salt is performed at 90° C. or less, and then reaction conditions are reduced; the reaction time is decreased from traditional 10 hours to less than 2 minutes, and therefore the reaction time is significantly shortened; the purity of a product is 75% or more, which is significantly improved.Type: GrantFiled: May 25, 2021Date of Patent: September 19, 2023Assignee: INNER MONGOLIA SHENG TANG INTERNATIONAL MONGOLIANInventors: Weidong Liu, Yantao Hao, Guodong Liang, Qinqin Gao, Pengshuai Li, Ting Zhang
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Patent number: 11311255Abstract: Medical detectors and medical imaging devices are provided. In one aspect, a medical detector includes: a photoelectric conversion device, a first crystal array layer disposed over the photoelectric conversion device, and a second crystal array layer disposed over the first crystal layer. The first crystal array layer includes a plurality of first scintillation crystals arranged in a first crystal array, and a first coupling medium being filled between every adjacent two of the first scintillation crystals. The second crystal array layer includes a plurality of second scintillation crystals arranged in a second crystal array, and a second coupling medium being filled between every adjacent two of the second scintillation crystals. A light transmittance of the second coupling medium is different from a light transmittance of the first coupling medium.Type: GrantFiled: July 17, 2020Date of Patent: April 26, 2022Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xi Wang, Xinying Li, Jian Zhao, Baowei Xu, Guodong Liang
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Publication number: 20220119330Abstract: The present disclosure provides a method for preparing resorcinol through micro-channel reaction. In the method, resorcinol is prepared through micro-channel reaction using m-aminophenol as a raw material, a diazo salt is synthesized at 0° C. or more, hydrolysis of the diazo salt is performed at 90° C. or less, and then reaction conditions are reduced; the reaction time is decreased from traditional 10 hours to less than 2 minutes, and therefore the reaction time is significantly shortened; the purity of a product is 75% or more, which is significantly improved.Type: ApplicationFiled: May 25, 2021Publication date: April 21, 2022Inventors: Weidong Liu, Yantao Hao, Guodong Liang, Qinqin Gao, Pengshuai Li, Ting Zhang
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Patent number: 11150364Abstract: A crystal array, a detector, a medical detection device and a method for manufacturing a crystal array are provided. The crystal array includes a plurality of crystals arranged in an array, each of the crystals having a light incident surface, a light exit surface, and a connection surface connecting the light incident surface to the light exit surface, where the connection surface of at least one of two adjacent crystals includes a rough surface and a smooth surface connected to the rough surface, and the rough surface and the smooth surface are arranged along a length direction of the crystal.Type: GrantFiled: April 27, 2020Date of Patent: October 19, 2021Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xinying Li, Xi Wang, Jian Zhao, Baowei Xu, Guodong Liang
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Publication number: 20210093279Abstract: The present disclosure relates to reconstructing an image.Type: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Rumei ZHANG, Long YANG, Peng GAO, Guodong LIANG, Jun ZHANG
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Publication number: 20210015436Abstract: Medical detectors and medical imaging devices are provided. In one aspect, a medical detector includes: a photoelectric conversion device, a first crystal array layer disposed over the photoelectric conversion device, and a second crystal array layer disposed over the first crystal layer. The first crystal array layer includes a plurality of first scintillation crystals arranged in a first crystal array, and a first coupling medium being filled between every adjacent two of the first scintillation crystals. The second crystal array layer includes a plurality of second scintillation crystals arranged in a second crystal array, and a second coupling medium being filled between every adjacent two of the second scintillation crystals. A light transmittance of the second coupling medium is different from a light transmittance of the first coupling medium.Type: ApplicationFiled: July 17, 2020Publication date: January 21, 2021Inventors: Xi WANG, Xinying LI, Jian ZHAO, Baowei XU, Guodong LIANG
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Publication number: 20200341158Abstract: A crystal array, a detector, a medical detection device and a method for manufacturing a crystal array are provided. The crystal array includes a plurality of crystals arranged in an array, each of the crystals having a light incident surface, a light exit surface, and a connection surface connecting the light incident surface to the light exit surface, where the connection surface of at least one of two adjacent crystals includes a rough surface and a smooth surface connected to the rough surface, and the rough surface and the smooth surface are arranged along a length direction of the crystal.Type: ApplicationFiled: April 27, 2020Publication date: October 29, 2020Applicant: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xinying LI, Xi WANG, Jian ZHAO, Baowei XU, Guodong LIANG
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Patent number: 10755452Abstract: A method of calibrating time in a Positron Emission Tomography (PET) device includes obtaining original time information and energy information of a first pulse signal collected by a detecting module during a scanning process of the PET device. A detector of the PET device includes a plurality of detecting modules. The original time information of the first pulse signal includes a moment at which an amplitude of the first pulse signal begins to be greater than a threshold. The method includes determining a pulse time calibration amount corresponding to the energy information of the first pulse signal according to stored information indicative of a correspondence between the pulse time calibration amount and the energy information of each detecting module. The method includes generating calibrated time information of the first pulse signal by calibrating the original time information with the pulse time calibration amount; and reconstructing a PET image based on the generated calibrated time information.Type: GrantFiled: June 26, 2018Date of Patent: August 25, 2020Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xi Wang, Jian Zhao, Guocheng Wu, Baowei Xu, Guodong Liang
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Patent number: 10330803Abstract: A system and method of a PET imaging are provided. According to an example, a detector, a movement control module, a power control module and a reconstructing computer may be connected to a switch in a form of a star-shaped network topology. The detector may include M*N detector units distributed in an annular structure, each detector unit may be allocated with an IP address, M detector units are evenly distributed on each circumferential direction of the annular structure, and N detector units are evenly distributed on each axial direction of the annular structure. Each of the detector units may transmit a set of acquired data to the reconstructing computer through the switch via a network bus; and the set of data may include location information, acquiring time information and IP address.Type: GrantFiled: September 30, 2016Date of Patent: June 25, 2019Assignee: SHENYANG NEUSOFT MEDICAL SYSTEMS CO., LTD.Inventors: Peng Gao, Long Yang, Guodong Liang, Nan Li, Yuqiu Zhao
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Patent number: 10330802Abstract: A method for determining a pair of compliance events is provided. A set of event data collected by a PET detector may be divided into N sub-sets, and each of the N sub-sets of event data may be sorted according to an occurrence time of each event included in the event data, wherein N is an integer greater than or equal to 2. A K stage heapsort may be performed on the sorted N sub-sets of event data according to the occurrence time of each event, so as to sequentially output data of each event in the sorting order, wherein K is an integer greater than or equal to 1. A time compliance determination and a space compliance determination may be performed on the sequentially-outputted event data, and a pair of compliance events may be determined if both the time compliance determination and the space compliance determination are passed.Type: GrantFiled: September 23, 2016Date of Patent: June 25, 2019Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Zhuxia Yin, Zhiguo Wang, Guoxu Zhang, Guodong Liang, Long Yang
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Publication number: 20190012812Abstract: A method of calibrating time in a Positron Emission Tomography (PET) device includes obtaining original time information and energy information of a first pulse signal collected by a detecting module during a scanning process of the PET device. A detector of the PET device includes a plurality of detecting modules. The original time information of the first pulse signal includes a moment at which an amplitude of the first pulse signal begins to be greater than a threshold. The method includes determining a pulse time calibration amount corresponding to the energy information of the first pulse signal according to stored information indicative of a correspondence between the pulse time calibration amount and the energy information of each detecting module. The method includes generating calibrated time information of the first pulse signal by calibrating the original time information with the pulse time calibration amount; and reconstructing a PET image based on the generated calibrated time information.Type: ApplicationFiled: June 26, 2018Publication date: January 10, 2019Inventors: Xi WANG, Jian ZHAO, Guocheng WU, Baowei XU, Guodong LIANG
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Publication number: 20180372890Abstract: A method of calibrating time in a Positron Emission Computed Tomography (PET) device includes determining a rising edge slope of an electrical signal corresponding to a photon which is detected by a detector of the PET device when the PET device is used to scan a part of a subject to be examined. The method includes determining a time shift corresponding to the rising edge slope based on a correspondence between the rising edge slope and the time shift; calibrating time information of the photon based on the time shift; and reconstructing a PET image of the part of the subject to be examined based on the calibrated time information of the photon.Type: ApplicationFiled: June 26, 2018Publication date: December 27, 2018Inventors: Jian ZHAO, Guocheng WU, Xi WANG, Baowei XU, Guodong LIANG, Nan LI
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Patent number: 10162068Abstract: A method of calibrating time in a Positron Emission Computed Tomography (PET) device includes determining a rising edge slope of an electrical signal corresponding to a photon which is detected by a detector of the PET device when the PET device is used to scan a part of a subject to be examined. The method includes determining a time shift corresponding to the rising edge slope based on a correspondence between the rising edge slope and the time shift; calibrating time information of the photon based on the time shift; and reconstructing a PET image of the part of the subject to be examined based on the calibrated time information of the photon.Type: GrantFiled: June 26, 2018Date of Patent: December 25, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Jian Zhao, Guocheng Wu, Xi Wang, Baowei Xu, Guodong Liang, Nan Li
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Patent number: 10164644Abstract: Methods, devices and computer-readable mediums for clock synchronization are provided. The methods include receiving a synchronizing clock in a unit clock cycle of a measuring clock, calibrating position information of a rising edge of the synchronizing clock in the unit clock cycle, determining a phase difference between the measuring clock and the synchronizing clock in the unit clock cycle based on the calibrated position information, and compensating a photon time in the unit clock cycle with the determined phase difference as a time compensation value.Type: GrantFiled: April 14, 2017Date of Patent: December 25, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Peng Ning, Long Yang, Guodong Liang, Peng Gao, Liang He
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Patent number: 10126444Abstract: Methods and devices for calibrating a gain of a scintillator detector are disclosed, where a scintillation crystal of the scintillator detector includes two or more energy regions. In an example, the scintillation crystal of the scintillator detector is adopted as a radiation source for calibrating. Electric signals outputted from a rear end of the scintillator detector are collected, and actual counts of the electric signals from each of at least two energy regions of the scintillation crystal at a specified position are obtained, respectively. Then, a gain of the scintillator detector may be adjusted according to the obtained actual counts of the electric signals from the at least two energy regions.Type: GrantFiled: September 12, 2016Date of Patent: November 13, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Jian Zhao, Nan Li, Guocheng Wu, Baowei Xu, Changqing Fu, Guodong Liang, Donghui Han
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Patent number: 10077968Abstract: A fast gun holster is disclosed. The fast gun holster comprises a holster body and a connecting base. The holster body comprises a barrel receiver used for containing a gun barrel. An installing plate is hinged to one side of the gun barrel receiver through a reset spring and provided with a trigger limiting mechanism. The trigger limiting mechanism comprises a protrusion and a pressing piece. A clamping groove matched with a trigger is formed in the protrusion. The bottom end of the pressing piece is hinged to the installing plate through a reset spring. An arc part matched with the inner side of a trigger guard is formed on the periphery of the pressing piece.Type: GrantFiled: October 26, 2016Date of Patent: September 18, 2018Inventor: Guodong Liang
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Patent number: 10064587Abstract: Methods, systems, and machine-readable storage mediums for determining response lines for reconstructing images are provided. An example imaging method includes: receiving single event signals in a detector module and associated with a single event, determining a crystal in the detector module and corresponding to a maximum single event signal of the single event signals, determining an actual energy weighting factor of the crystal, determining an actual depth position corresponding to the actual energy weighting factor of the crystal according to associations between depth positions of the crystal and respective reference energy weighting factors for the crystal, as an acting position in the detector module for the single event, determining a response line of a coincidence event according to respective acting positions in the detector module for two single events constituting the coincidence event, the two single events including the single event, and reconstructing an image according to the response line.Type: GrantFiled: October 23, 2017Date of Patent: September 4, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Guodong Liang, Guocheng Wu, Nan Li, Jian Zhao