Patents by Inventor Lin Du
Lin Du 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: 11465252Abstract: This application relates to lubrication, and more particularly to an external cooling MQL manipulator and a machine tool and a lubrication method using the machine tool. The external cooling MQL manipulator includes a suspension structure, a robot arm, a controller and an oil mist generator. The suspension structure fixedly connects the robot arm and a frame, and a nozzle is provided on a free end of the robot arm; an oil mist generator is connected to the nozzle for ejecting oil mists to a processing area. When the machine tool works, the controller selects the corresponding lubrication parameters according to the processing parameters such as the cutter type and the workpiece material. The first motor and the second motor are controlled to rotate by the controller according to real-time changes of the processing positions detected by the detecting component, thereby adjusting the position of the nozzle.Type: GrantFiled: November 22, 2019Date of Patent: October 11, 2022Assignee: Sichuan UniversityInventors: Wu Zhao, Zeyuan Yu, Zida Zhang, Ling Chen, Xin Guo, Miao Yu, Kai Zhang, Hao Wan, Lin Du, Wei Jiang, Nianhan Wu
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Publication number: 20220307464Abstract: An active folding wind turbine capable of resisting severe typhoons is provided. Each wind turbine blade includes an upper blade part and a lower blade part that are hinged to each other by a hinge device. A motor transmission system is installed in the lower blade part, is connected to the hinge device in a transmission manner, and can drive the upper blade part to rotate relative to the lower blade part through the hinge device, so that the wind turbine blade is bent. When the upper blade part rotates to an end of a travel, a blade tip of the upper blade part is propped against an upper end of the lower blade part of an adjacent wind turbine blade. A winch is built in an upper portion of the lower blade part of the wind turbine blade, and is provided with a cable.Type: ApplicationFiled: July 9, 2020Publication date: September 29, 2022Applicant: Nanjing University of Aeronautics and AstronauticsInventors: Shitang KE, Jie YANG, Shuo WANG, Hao WANG, Hongxin WU, Lin DU, Guangquan HAN
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Publication number: 20220262151Abstract: A method for recognizing a text in an image includes: obtaining a plurality of recognition results of a to-be-recognized text in an image according to a plurality of recognition methods (S201); obtaining semantic information of the recognition results (S202); obtaining feature information of the image, where the feature information of the image can represent information around the to-be-recognized text in the image (S203); and determining a target recognition result of the to-be-recognized text from the plurality of recognition results based on the feature information of the image and the semantic information of the plurality of recognition results (S204). According to the method, accuracy of determining the most accurate recognition result from the plurality of recognition results can be improved, that is, a precise recognition result can be obtained.Type: ApplicationFiled: May 10, 2022Publication date: August 18, 2022Inventors: Lin DU, Alfred Chixiong SHEN, Lemeng PAN
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Patent number: 11414882Abstract: The present invention provides a steel structure cooling tower, including a truss system, a hyperbolic enclosure plate system and an opening-closing system. Hoop trusses and meridional trusses are connected crisscross to form a force transfer structure of the steel structure cooling tower, thereby improving the overall stability of a tower body of the cooling tower and reducing the wind pressure on the tower body. An enclosure plate is mounted on the hoop truss by an enclosure plate bracket assembly, the opening-closing system is laid on the hoop truss, and a wind and rain sensor is installed on a hoop truss on the top of the tower body of the cooling tower. When typhoon rain exceeds a limiting value, an opening-closing posture of the hyperbolic enclosure plate is adjusted, so that the steel structure cooling tower can open the enclosure plate to reduce a wind load acting on the tower body.Type: GrantFiled: July 9, 2020Date of Patent: August 16, 2022Assignee: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICSInventors: Shitang Ke, Hongxin Wu, Jie Yang, Lin Du
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Publication number: 20220144747Abstract: The present disclosure, in at least certain embodiments, is directed to shikimate (shikimic acid) analogues and compositions thereof, devices and kits which contain the shikimate analogues or compositions thereof, and methods of use of the compounds and compositions for treating and neutralizing irritant or odoriferous compounds on animate or inanimate surfaces or in atmospheres.Type: ApplicationFiled: November 24, 2021Publication date: May 12, 2022Inventors: Lin Du, Robert Cichewicz, Kenneth M. Nicholas, Jianlan You
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Patent number: 11288988Abstract: Various display control methods and apparatuses are provided. A method comprises changing a ratio of pixels distributed along two directions in each effective display region of at least one display unit of a display system, wherein light emitted by each pixel in the effective display region of each display unit in the at least one display unit is transmitted to a visual angle range by a lens corresponding to the display unit in the display system, and the two directions comprise a first direction and a second direction parallel with the display unit and orthogonal with each other; and displaying a content to be displayed by the changed display system. Differentiated display of visual angle information of two mutual orthogonal different directions can be thereby realized.Type: GrantFiled: June 1, 2016Date of Patent: March 29, 2022Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTDInventor: Lin Du
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Publication number: 20220090403Abstract: An adaptive steel structure cooling tower for resisting a severe typhoon includes a truss system, a hyperbolic enclosure plate system and a servo opening-closing system. The truss system includes a plurality of hoop trusses and a plurality of meridional trusses. The hyperbolic enclosure plate system includes a hyperbolic enclosure plate, a hyperbolic enclosure plate hoop bracket, a hyperbolic enclosure plate meridional bracket, a hyperbolic enclosure plate rotating pendant and a rotating motor. The servo opening-closing system includes a wind and rain sensor, and a controller. The hoop trusses and the meridional trusses are connected crisscross to form a force transfer structure of the whole steel structure cooling tower. The hyperbolic enclosure plate is mounted on the hoop truss, the servo opening-closing system is laid on the hoop truss, and a wind and rain sensor is installed on a hoop truss on the top of the tower body.Type: ApplicationFiled: July 9, 2020Publication date: March 24, 2022Applicant: Nanjing University of Aeronautics and AstronauticsInventors: Shitang KE, Hongxin WU, Jie YANG, Lin DU
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Patent number: 11275883Abstract: This application discloses a computing system implementing a parasitic extraction tool to generate a parasitic model from physical design layout of an integrated circuit. The computing system also can implement a machine-learning classifier that, when trained with a training data set, can classify the physical design layout based on physical or electrical characteristics associated with the physical design layout, and can utilize the classification to select a set of scaling coefficients. The computing system can apply the selected set of the scaling coefficients to adjust coupling capacitances in the parasitic model and generate a parasitic netlist for the physical design layout. The computing system can generate the training data set by determining sets of the scaling coefficients from the test physical design layouts and labeling the test physical design layouts with the sets of the scaling coefficients.Type: GrantFiled: February 12, 2020Date of Patent: March 15, 2022Assignee: Siemens Industry Software Inc.Inventors: Vasileios Kourkoulos, Lin Du, Renbo Chen
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Patent number: 11263939Abstract: Embodiments of the present application disclose various display control methods and apparatuses and various display devices, wherein one of the display control methods comprises: adjusting display pixel density of at least one display unit in a display array as uneven distribution; and displaying multiple first images respectively via multiple display units in the adjusted display array, to splice and/or superimpose the multiple first images to be displayed as a second image, the multiple display units comprising the at least one display unit. The present application can increase the actual utilization rate of display pixels of the display array, and improve splicing and/or image local display quality.Type: GrantFiled: January 7, 2016Date of Patent: March 1, 2022Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.Inventors: Liang Zhou, Lin Du
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Patent number: 11213644Abstract: Examples described herein include multiple control systems for medical devices, such as medical ventilators. Examples of multiple control of a medical ventilator in an isolation room are described.Type: GrantFiled: July 25, 2017Date of Patent: January 4, 2022Assignee: Nihon Kohden OrangeMed, Inc.Inventors: Richard William Crawford, Jr., Hong-Lin Du, Steven F. Landas, Phuoc Huu Vo
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Patent number: 11180452Abstract: A method of selectively inhibiting pathogenic microbes includes: providing a compound that is functional as a selective antimicrobial having a structure of Formula 1, or derivative thereof, salt thereof, or stereoisomer thereof, or having any chirality at any chiral center, or tautomer, polymorph, solvate, or combination thereof; and contacting a pathogenic microbe with the compound such that the pathogenic microbe is selectively inhibited; wherein: ring A is a cycloalkyl, heterocycloalkyl, aryl, heteroaryl, or polycycle combination thereof; X is S, SO, or SO2; Y is a linker or bond; Z is CH, CR2, or N; Z1 is C or N to form an imidazopyridine; each Z2, Z3, or Z4 is independently CH, CR2, or N; each Z5 or Z6 is C or CH; each R1, R2, R3 and/or R4 is independently a substituent; m is 0, 1, 2, 3, or 4; and n is zero or a positive integer.Type: GrantFiled: June 17, 2020Date of Patent: November 23, 2021Assignees: CFD Research Corporation, The Board of Regents of the University of OklahomaInventors: Anuj Singhal, Robert H. Cichewicz, Lin Du, JianLan You, Hanumantha Rao Paritala, Abigail Grace Edwards
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Patent number: 11170679Abstract: Embodiments of the present application disclose time division display control methods and apparatus and display devices, wherein a time division display control method disclosed comprises: displaying a first image by a display device; and changing display pixel distribution of the display device at least once within a preset permitted staying duration of vision of human eyes and displaying the first image by the display device changed each time, to cause the displayed first images to be displayed in human eyes as a second image in an overlapped manner. According to the present application, utilization of display pixels of a display device and a display quality of at least a local part of an image can be improved, thereby better meeting diversified actual application demands of users.Type: GrantFiled: January 7, 2016Date of Patent: November 9, 2021Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.Inventors: Liang Zhou, Lin Du
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Publication number: 20210317167Abstract: Cyclic depsipeptide-class molecules, referred to herein as persephacins (including analogs thereof), having similarities to aureobasidin A, are described. The persephacins have antimicrobial activity, such as antifungal activity against a diverse range of clinically-relevant fungal pathogens, antiprotozoan parasite activity, and antibacterial activity, and can be used for example in treatments of difficult-to-treat ocular fungal infections at lower concentrations than natamycin. The active compounds may be combined with a secondary compound in a composition.Type: ApplicationFiled: July 19, 2019Publication date: October 14, 2021Inventors: Robert H. Cichewicz, Lin Du, Jianlan You, Allison O. Mattes, Shikha Srivastava, Saikat Haldar
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Publication number: 20210248299Abstract: This application discloses a computing system implementing a parasitic extraction tool to generate a parasitic model from physical design layout of an integrated circuit. The computing system also can implement a machine-learning classifier that, when trained with a training data set, can classify the physical design layout based on physical or electrical characteristics associated with the physical design layout, and can utilize the classification to select a set of scaling coefficients. The computing system can apply the selected set of the scaling coefficients to adjust coupling capacitances in the parasitic model and generate a parasitic netlist for the physical design layout. The computing system can generate the training data set by determining sets of the scaling coefficients from the test physical design layouts and labeling the test physical design layouts with the sets of the scaling coefficients.Type: ApplicationFiled: February 12, 2020Publication date: August 12, 2021Inventors: Vasileios Kourkoulos, Lin Du, Renbo Chen
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Patent number: 10948979Abstract: The present application provides methods and devices for determining an action or an action part, and generally relates to the field of wearable devices. A method disclosed herein comprises: in response to detecting a motion of a first part of a body of a user, acquiring, using a photoelectric sensor, target Doppler measurement information of the first part or a second part corresponding to the first part; determining target velocity related information corresponding to the target Doppler measurement information; and determining the first part or the action according to the target velocity related information and reference information, wherein the target velocity related information comprises target blood flow velocity information or target blood flow information. The methods and devices provide a new scheme for recognizing an action and/or an action part.Type: GrantFiled: December 30, 2019Date of Patent: March 16, 2021Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.Inventors: Yuanchun Shi, Yuntao Wang, Chun Yu, Lin Du
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Publication number: 20210076540Abstract: A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The at least one switch, the primary winding circuit, and the magnetic element are arranged in a first direction in order. A power device is also disclosed herein.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Inventors: Jin-Fa ZHANG, Hai-Jun YANG, Zhong-Wei KE, Kai DONG, Shuai-Lin DU
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Publication number: 20210050142Abstract: A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The switch and the magnetic element are positioned in two vicinities of two opposite sides of the primary winding circuit, respectively. A power device is also disclosed herein.Type: ApplicationFiled: October 28, 2020Publication date: February 18, 2021Inventors: Jin-Fa ZHANG, Hai-Jun YANG, Zhong-Wei KE, Kai DONG, Shuai-Lin DU
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Patent number: 10885818Abstract: Various display control methods and apparatuses are provided. A method comprises inclining at least one lens relative to an initial optical axis thereof to change a ratio of pixels distributed along two directions in each effective display region of the at least one display unit corresponding to the at least one lens in a display system, wherein light emitted by each pixel in the effective display region of each display unit in the at least one display unit is transmitted to a visual angle range by a lens corresponding to the display unit in the display system, and the two directions comprise a first direction and a second direction parallel with the display unit and orthogonal with each other; and displaying a content to be displayed by the changed display system. Accordingly, differentiated display of visual angle information of two mutually orthogonal different directions can be realized.Type: GrantFiled: June 1, 2016Date of Patent: January 5, 2021Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTDInventor: Lin Du
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Patent number: 10884691Abstract: Various display control methods and apparatuses are provided. A method comprises inclining at least one display unit relative to an initial normal thereof to change a ratio of pixels distributed along two directions in each effective display region of the at least one display unit of a display system, wherein light emitted by each pixel in the effective display region of each display unit in the at least one display unit is transmitted to a visual angle range by a lens corresponding to the display unit in the display system, and the two directions comprise a first direction and a second direction parallel with the display unit and orthogonal with each other; and displaying a content to be displayed by the changed display system. Accordingly, differentiated display of visual angle information of two mutually orthogonal different directions can be realized.Type: GrantFiled: June 1, 2016Date of Patent: January 5, 2021Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTDInventor: Lin Du
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Publication number: 20200399218Abstract: A compound can have a structure of Formula A, or derivative thereof, salt thereof, or stereoisomer thereof, or having any chirality at any chiral center, or tautomer, polymorph, solvate, or combination thereof: wherein ring A is a phenyl, indolyl, naphthyl, or benzothiazolyl; X is S, SO, or SO2; Y is a linker or bond; Z is CH, CR2, or N; Z1 is C or N to form an imidazopyridine; each Z2, Z3, or Z4 is independently CH, CR2, or N; each Z5 or Z6 is C or CH; each R1, R2, and R3 is independently a substituent, and at least one of R1, R2, or R3 is a substituent other than a hydrogen; m is 0, 1, 2, 3, or 4; and n is 0 or a positive integer. The compounds can have specific substituent patterns.Type: ApplicationFiled: June 17, 2020Publication date: December 24, 2020Inventors: Anuj SINGHAL, Robert H. CICHEWICZ, Lin DU, JianLan YOU, Hanumantha Rao Paritala, Abigail Grace Edwards