Patents by Inventor Tieshan ZHANG
Tieshan ZHANG 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: 11993561Abstract: The present disclosure discloses an expectorant compound, and specifically discloses compounds represented by formula I and formula II, pharmaceutically acceptable salts or tautomers thereof.Type: GrantFiled: July 1, 2020Date of Patent: May 28, 2024Assignee: HC SYNTHETIC PHARMACEUTICAL CO., LTD.Inventors: Cheng Yang, Sumin Qi, Qiyuan Zhang, Dongxing Li, Tieshan Chen, Xiaodan Zhao
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Patent number: 11974383Abstract: A method may include obtaining a feedback or a reference value of a tube voltage applied to a radiation source of a radiation device for generating radiation rays. The method may also include determining, based on the feedback or the reference value of the tube voltage, a specific value of a focusing parameter associated with a focusing device of the radiation device. The method may further include causing the focusing device to shape a focus of the radiation rays according to the determined value of the focusing parameter. The focus of the radiation rays may satisfy an operational constraint under the specific value of the focusing parameter.Type: GrantFiled: January 30, 2022Date of Patent: April 30, 2024Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping Zhu, Jinglin Wu, Tieshan Zhang, Siming Chen, Xu Chu
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Publication number: 20230239447Abstract: The invent discloses a smart wearable device for vision enhancement and a method for realizing stereoscopic vision transposition, comprising a wearable device body, wherein the wearable device body is provided with camera lenses, image sensors, an image information receiving and transmitting unit, image enhancement units, and near-to-eye optical systems; the optical axis and field angle of the near-to-eye optical system are matched with the optical axis and field angle of the camera lens; the image sensor is arranged behind the camera lens; the real scene enters the image sensor through an image imaging device for image acquisition, and through the image enhancement unit, the low-light environment image collected by the smart wearable device in the low-light environment is enhanced and displayed clearly. The invention can ensure the enhancement of the real stereoscopic vision in the dark environment and the interchange of the remote and barrier-free stereoscopic real vision.Type: ApplicationFiled: February 8, 2022Publication date: July 27, 2023Inventors: Jianming Song, Tieshan Zhang, Jie Hu
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Publication number: 20220272825Abstract: The present disclosure relates to a high voltage generator including multiple high voltage generating modules configured to provide a total voltage. Each of the multiple high voltage generating modules may be configured to receive a driving pulse and generate a voltage component of the total voltage according to the driving pulse. The multiple high voltage generating modules may be in a series connection. Time points when the multiple high voltage generating modules receive driving pulses may be different, and waveforms of the driving pulses may be the same.Type: ApplicationFiled: May 9, 2022Publication date: August 25, 2022Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Tieshan ZHANG, Guoping ZHU, Bobin TONG, Jinglin WU, Xu CHU
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Publication number: 20220174805Abstract: A method may include obtaining a feedback or a reference value of a tube voltage applied to a radiation source of a radiation device for generating radiation rays. The method may also include determining, based on the feedback or the reference value of the tube voltage, a specific value of a focusing parameter associated with a focusing device of the radiation device. The method may further include causing the focusing device to shape a focus of the radiation rays according to the determined value of the focusing parameter. The focus of the radiation rays may satisfy an operational constraint under the specific value of the focusing parameter.Type: ApplicationFiled: January 30, 2022Publication date: June 2, 2022Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping ZHU, Jinglin WU, Tieshan ZHANG, Siming CHEN, Xu CHU
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Patent number: 11330696Abstract: The present disclosure relates to a high voltage generator including multiple high voltage generating modules configured to provide a total voltage. Each of the multiple high voltage generating modules may be configured to receive a driving pulse and generate a voltage component of the total voltage according to the driving pulse. The multiple high voltage generating modules may be in a series connection. Time points when the multiple high voltage generating modules receive driving pulses may be different, and waveforms of the driving pulses may be the same.Type: GrantFiled: October 29, 2019Date of Patent: May 10, 2022Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Tieshan Zhang, Guoping Zhu, Bobin Tong, Jinglin Wu, Xu Chu
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Patent number: 11246208Abstract: A method may include obtaining a feedback or a reference value of a tube voltage applied to a radiation source of a radiation device for generating radiation rays. The method may also include determining, based on the feedback or the reference value of the tube voltage, a specific value of a focusing parameter associated with a focusing device of the radiation device. The method may further include causing the focusing device to shape a focus of the radiation rays according to the determined value of the focusing parameter. The focus of the radiation rays may satisfy an operational constraint under the specific value of the focusing parameter.Type: GrantFiled: October 29, 2019Date of Patent: February 8, 2022Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping Zhu, Jinglin Wu, Tieshan Zhang, Siming Chen, Xu Chu
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Patent number: 11234323Abstract: Systems and methods for medical imaging. The method may include acquiring a tube voltage switching waveform for a radiation source of a medical device. The method may include determining a tube current switching period based on the tube voltage switching waveform. The method may include determining a sampling period correlated with the tube current switching period. The method may include acquiring projection data according to the sampling period. The method may further include reconstructing an image based on the acquired projection data.Type: GrantFiled: October 17, 2019Date of Patent: January 25, 2022Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping Zhu, Patrick Joseph Kling, Jiawen Zhou, Tieshan Zhang, Jinglin Wu, Xu Chu
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Patent number: 11058476Abstract: The present disclosure relates to systems and methods for energy imaging. The method may include obtaining a reference waveform of a tube voltage of a radiation source of a scanner. The reference waveform may be formed based on a superposition of a sine wave and one or more harmonics corresponding to the sine wave. The method may include causing a high voltage generator to generate the tube voltage changing between a first voltage and a second voltage lower than the first voltage according to the reference waveform. The tube voltage may be provided to the radiation source for generating radiation rays. The method may further include causing the scanner to perform energy imaging.Type: GrantFiled: October 29, 2019Date of Patent: July 13, 2021Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping Zhu, Tieshan Zhang, Xu Chu, Fan Zhao, Zhihui Shu, Jinglin Wu, Bin Cao
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Publication number: 20200413525Abstract: Systems and methods for medical imaging. The method may include acquiring a tube voltage switching waveform for a radiation source of a medical device. The method may include determining a tube current switching period based on the tube voltage switching waveform. The method may include determining a sampling period correlated with the tube current switching period. The method may include acquiring projection data according to the sampling period. The method may further include reconstructing an image based on the acquired projection data.Type: ApplicationFiled: October 17, 2019Publication date: December 31, 2020Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping ZHU, Patrick Joseph KLING, Jiawen ZHOU, Tieshan ZHANG, Jinglin WU, Xu CHU
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Publication number: 20200396817Abstract: The present disclosure relates to a high voltage generator including multiple high voltage generating modules configured to provide a total voltage. Each of the multiple high voltage generating modules may be configured to receive a driving pulse and generate a voltage component of the total voltage according to the driving pulse. The multiple high voltage generating modules may be in a series connection. Time points when the multiple high voltage generating modules receive driving pulses may be different, and waveforms of the driving pulses may be the same.Type: ApplicationFiled: October 29, 2019Publication date: December 17, 2020Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Tieshan ZHANG, Guoping ZHU, Bobin TONG, Jinglin WU, Xu CHU
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Publication number: 20200343069Abstract: A method may include obtaining a feedback or a reference value of a tube voltage applied to a radiation source of a radiation device for generating radiation rays. The method may also include determining, based on the feedback or the reference value of the tube voltage, a specific value of a focusing parameter associated with a focusing device of the radiation device. The method may further include causing the focusing device to shape a focus of the radiation rays according to the determined value of the focusing parameter. The focus of the radiation rays may satisfy an operational constraint under the specific value of the focusing parameter.Type: ApplicationFiled: October 29, 2019Publication date: October 29, 2020Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping ZHU, Jinglin WU, Tieshan ZHANG, Siming CHEN, Xu CHU
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Publication number: 20200337759Abstract: The present disclosure relates to systems and methods for energy imaging. The method may include obtaining a reference waveform of a tube voltage of a radiation source of a scanner. The reference waveform may be formed based on a superposition of a sine wave and one or more harmonics corresponding to the sine wave. The method may include causing a high voltage generator to generate the tube voltage changing between a first voltage and a second voltage lower than the first voltage according to the reference waveform. The tube voltage may be provided to the radiation source for generating radiation rays. The method may further include causing the scanner to perform energy imaging.Type: ApplicationFiled: October 29, 2019Publication date: October 29, 2020Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Guoping ZHU, Tieshan ZHANG, Xu CHU, Fan ZHAO, Zhihui SHU, Jinglin WU, Bin CAO
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Patent number: 10233694Abstract: A rotation guidance apparatus belonging to the technical field of oil drilling equipment. An end part of a lower connector has a ball-socketed ball-joint rod, and a drill bit is connected to the ball-socketed ball-joint rod. Several circumferentially and evenly distributed piston holes are provided in a side wall of the lower connector, wherein a piston matches each piston hole and a piston rod connected to the piston is movably connected to the ball-socketed ball-joint rod. An eccentrically-placed valve core is connected to a controller provided in an upper connector, wherein a working face of the eccentrically-placed valve core is opposite to the piston holes and rotation of the eccentrically-placed valve core makes the pistons in the piston holes move to control the rotation guidance of the ball-socketed ball-joint rod.Type: GrantFiled: June 23, 2015Date of Patent: March 19, 2019Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Wei Li, Hongxiang Lei, Qingyou Liu, Shihong Xiao, Xu Si, Tieshan Zhang, Qing Tu, Xiao Tan, Fanyao Jin, Xingming Wang, Yuan Zhong, Hang Li, Jianchuan Wu, Dengwei Li
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Publication number: 20180100352Abstract: Disclosed is a rotation guidance apparatus belonging to the technical field of oil drilling equipment. An end part of a lower connector (3) has a ball-socketed ball-joint rod (12), and a drill bit (1) is connected to the ball-socketed ball-joint rod (12); several circumferentially and evenly distributed piston holes are provided in a side wall of the lower connector (3), a piston matches each piston hole, and a piston rod (11) connected to the piston is movably connected to the ball-socketed ball-joint rod (12); and a eccentrically-placed valve core (17) is connected to a controller provided in an upper connector (4), a working face of the eccentrically-placed valve core (17) is opposite to the piston holes, and rotation of the eccentrically-placed valve core (17) makes the pistons in the piston holes move to control the rotation guidance of the ball-socketed ball-joint rod (12).Type: ApplicationFiled: June 23, 2015Publication date: April 12, 2018Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Wei LI, Hongxiang LEI, Qingyou LIU, Shihong XIAO, Xu SI, Tieshan ZHANG, Qing TU, Xiao TAN, Fanyao JIN, Xingming WANG, Yuan ZHONG, Hang LI, Jianchuan WU, Dengwei LI