Patents by Inventor YanQing Lu
YanQing Lu 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: 20240128897Abstract: A power tool includes: a motor including a rotor and multiple phases of stator windings; and a control circuit configured to control the working state of the motor. The control circuit includes: a driver circuit including multiple switching elements; a controller electrically connected to at least the driver circuit and capable of outputting a control signal to change the conducting states of the multiple switching elements in the driver circuit; and a parameter detection module configured to detect a working parameter of the motor. In response to a braking signal, the controller sets an input parameter of the control circuit according to a preset parameter and the working parameter to control output power of the motor and/or output torque of the motor, thereby controlling the motor to brake.Type: ApplicationFiled: June 21, 2023Publication date: April 18, 2024Inventors: Wenjing Lu, Yanqing Xu, Guang Li
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Patent number: 11951104Abstract: The present invention provides an aripiprazole sustained-release microsphere and a preparation method therefor. The microsphere comprises aripiprazole and polylactide-glycolide. The microsphere is of a spherical reticular skeleton structure, with reticular micropores distributed in the spherical surface, and aripiprazole filled in the micropores. The average particle diameter of the microsphere is less than 20 ?m, and is suitable for a 5 gauge needle. The content of aripiprazole is 65%-80% of the total weight of the microsphere.Type: GrantFiled: June 8, 2018Date of Patent: April 9, 2024Assignee: ZHUHAI LIVZON MICROSPHERE TECHNOLOGY CO. LTD.Inventors: Bin Chen, Xia Yin, Yanqing Wang, Peng Xu, Yuda Yang, Miaoli Chen, Weilun Ye, Linyan Lv, Huijuan Xu, Wenqi Lu, Xiangsheng Kong, Xiaoman Jiang
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Patent number: 11575970Abstract: The invention provides a method and a device for controlling video playback. The method includes: extracting playback time of a video clip taken for a predetermined scene from a video to be played; displaying a predetermined control corresponding to the playback time of the video clip taken for the predetermined scene on a video player playing the video; and controlling the video player to adjust a playback progress of the video to the playback time of the video clip taken for the predetermined scene to be played, when a trigger operation for the predetermined control is detected.Type: GrantFiled: December 15, 2020Date of Patent: February 7, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yanting Hong, Yanqing Lu
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Patent number: 11490016Abstract: A zooming method and an electronic device using the same are provided. The zooming method includes: acquiring a first image by a first camera unit; acquiring a current frame image by scaling the first image according to a zoom instruction; acquiring a second image by a second camera unit; and switching the first camera unit to the second camera unit for outputting the second image.Type: GrantFiled: September 25, 2019Date of Patent: November 1, 2022Assignee: ArcSoft Corporation LimitedInventors: Qiaoling Bian, Yanqing Lu, Jin Wang
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Patent number: 11490240Abstract: A cloud server including a communication interface; and at least one processor configured to: detect a plurality of IoT devices connected to the cloud server from the communication interface, based on detecting the plurality of IoT devices connected to the cloud server, determine that the plurality of IoT devices are equipped with a corresponding plurality of intelligence engines, read and store a plurality of intelligence engine types of the plurality of intelligence engines, obtain a plurality of online states of the plurality of IoT devices, receive a search instruction sent from a receiving IoT device of the plurality of IoT devices, identify an instruction type of the search instruction, and store a correspondence between the instruction type and a preferred intelligence engine type, and select an IoT device based on the correspondence.Type: GrantFiled: August 6, 2020Date of Patent: November 1, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yanqing Lu, Quan Ma, Weixin Dong
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Publication number: 20220343520Abstract: Disclosed are an image processing method and an image processing apparatus, and an electronic device using same. The image processing method includes: acquiring a first image by a first photographing unit; acquiring a second image by a second photographing unit; registering a first region in the first image and the second image to obtain a registration result, where the first region and the second image correspond to the same field of view; and fusing the first region and the second image according to the registration result to obtain a fusion image. Images acquired by photographing units with at least two different fields of view can be fused, so as to optimize image duality, display higher-definition images and solve the technical problem of poor quality of images acquired on the basis of a plurality of photographing units.Type: ApplicationFiled: September 24, 2020Publication date: October 27, 2022Inventors: Qiaoling BIAN, Yanqing LU, Jin WANG
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Publication number: 20220167055Abstract: The invention provides a method and a device for controlling video playback. The method includes: extracting playback time of a video clip taken for a predetermined scene from a video to be played; displaying a predetermined control corresponding to the playback time of the video clip taken for the predetermined scene on a video player playing the video; and controlling the video player to adjust a playback progress of the video to the playback time of the video clip taken for the predetermined scene to be played, when a trigger operation for the predetermined control is detected.Type: ApplicationFiled: December 15, 2020Publication date: May 26, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yanting HONG, Yanqing LU
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Publication number: 20210368104Abstract: A zooming method and an electronic device using the same are provided. The zooming method includes: acquiring a first image by a first camera unit; acquiring a current frame image by scaling the first image according to a zoom instruction; acquiring a second image by a second camera unit; and switching the first camera unit to the second camera unit for outputting the second image.Type: ApplicationFiled: September 25, 2019Publication date: November 25, 2021Inventors: Qiaoling BIAN, Yanqing LU, Jin WANG
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Publication number: 20210044955Abstract: A cloud server including a communication interface; and at least one processor configured to: detect a plurality of IoT devices connected to the cloud server from the communication interface, based on detecting the plurality of IoT devices connected to the cloud server, determine that the plurality of IoT devices are equipped with a corresponding plurality of intelligence engines, read and store a plurality of intelligence engine types of the plurality of intelligence engines, obtain a plurality of online states of the plurality of IoT devices, receive a search instruction sent from a receiving IoT device of the plurality of IoT devices, identify an instruction type of the search instruction, and store a correspondence between the instruction type and a preferred intelligence engine type, and select an IoT device based on the correspondence.Type: ApplicationFiled: August 6, 2020Publication date: February 11, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yanqing LU, Quan MA, Weixin DONG
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Patent number: 10432869Abstract: The present invention is to provide a method for achieving a clear and precise optical zooming mechanism, which is applied to an electronic device equipped with a wide-angle image capturing element and a long-focus image capturing element. The wide-angle image capturing element and the long-focus image capturing element are controlled by the electronic device for capturing a wide-angle image and a long-focus image of a same spot simultaneously and respectively. The method enables the electronic device to sequentially perform an exposure and white balance adjustment process, a robust image matching algorithm and an image morphing fusion process to the wide-angle image and the long-focus image, respectively, so as to generate a clear and precise optical zooming image of the spot without having a significant skipping phenomenon occurred in an object within two zooming images.Type: GrantFiled: September 7, 2016Date of Patent: October 1, 2019Assignee: MULTIMEDIA IMAGE SOLUTION LIMITEDInventors: Qiaoling Bian, Yanqing Lu, Jin Wang
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Publication number: 20180070018Abstract: The present invention is to provide a method for achieving a clear and precise optical zooming mechanism, which is applied to an electronic device equipped with a wide-angle image capturing element and a long-focus image capturing element. The wide-angle image capturing element and the long-focus image capturing element are controlled by the electronic device for capturing a wide-angle image and a long-focus image of a same spot simultaneously and respectively. The method enables the electronic device to sequentially perform an exposure and white balance adjustment process, a robust image matching algorithm and an image morphing fusion process to the wide-angle image and the long-focus image, respectively, so as to generate a clear and precise optical zooming image of the spot without having a significant skipping phenomenon occurred in an object within two zooming images.Type: ApplicationFiled: September 7, 2016Publication date: March 8, 2018Applicant: MULTIMEDIA IMAGE SOLUTION LIMITEDInventors: Qiaoling BIAN, Yanqing LU, Jin WANG
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Patent number: 9817248Abstract: A method of virtually trying on eyeglasses includes capturing a plurality of images of a user's face, obtaining locations of a plurality of feature points on the user's face in the plurality of images, and using the locations of the plurality of feature points in the plurality of images to create a standard three-dimensional model of the user. Next, a selection is received from the user of a pair of virtual eyeglasses, the selected pair of virtual eyeglasses having a corresponding three-dimensional model depicting the size and shape of the selected pair of virtual eyeglasses. After this, a modified three-dimensional model of the user having the selected pair of virtual eyeglasses superimposed on the user's face is created according to the standard three-dimensional model of the user and the corresponding three-dimensional model of the selected pair of virtual eyeglasses. The result is then displayed for the user to see.Type: GrantFiled: December 23, 2014Date of Patent: November 14, 2017Assignee: MULTIMEDIA IMAGE SOLUTION LIMITEDInventors: Ping Yang, YanQing Lu, Jin Wang
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Patent number: 9796002Abstract: Technologies are generally described for systems and methods effective to implement particle removal. In one example, a method for at least partially removing particles from a region is generally described. In some examples, the method includes applying an electric field to a material to produce an acoustic wave from the material. The material may have a periodic piezoelectric coefficient. The method may include applying the acoustic wave to the region to produce an agglomeration. The agglomeration may include at least two of the particles. The method may further include at least partially removing the agglomeration from the region.Type: GrantFiled: March 5, 2012Date of Patent: October 24, 2017Assignee: EMPIRE TECHNOLOGY DEVELOPMENT LLCInventors: Yanqing Lu, Xikui Hu, Fei Xu, Wei Hu
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Patent number: 9575366Abstract: A liquid crystal cell structure is provided. The liquid crystal cell structure includes: two polarizers; and a liquid crystal diffractive light modulating cell placed between the two polarizers. The cell includes: two transparent substrates treated by photoalignment; and a ferroelectric liquid crystal layer disposed between the two transparent substrates with current conducting layers, the ferroelectric liquid crystal layer comprising ferroelectric liquid crystals. The two transparent substrates treated by photoalignment are configured to provide multiple alignment domains in the ferroelectric liquid crystals with a planar surface orientation. Adjacent domains of the multiple alignment domains are oriented at an angle with respect to each other.Type: GrantFiled: December 21, 2012Date of Patent: February 21, 2017Assignee: The Hong Kong University of Science and TechnologyInventors: Abhishek Kumar Srivastava, Wei Hu, Yanqing Lu, Fei Xu, Vladimir Grigorievich Chigrinov, Hoi Sing Kwok
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Patent number: 9489727Abstract: To generate a preferred image, at least two images may be captured. From the at least two images, a base image is selected to be edited and another image is selected as a source of image data used for editing the base image. A user selects an object of the base image to be replaced. The object on the base image is compared to the object on the another image to generate a region on the base image and the another image. The region on the base image is replaced with the region on the another image.Type: GrantFiled: January 30, 2015Date of Patent: November 8, 2016Assignee: MULTIMEDIA IMAGE SOLUTION LIMITEDInventors: YanQing Lu, Jin Wang
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Publication number: 20160225127Abstract: To generate a preferred image, at least two images may be captured. From the at least two images, a base image is selected to be edited and another image is selected as a source of image data used for editing the base image. A user selects an object of the base image to be replaced. The object on the base image is compared to the object on the another image to generate a region on the base image and the another image. The region on the base image is replaced with the region on the another image.Type: ApplicationFiled: January 30, 2015Publication date: August 4, 2016Inventors: YanQing Lu, Jin Wang
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Publication number: 20160178936Abstract: A method of virtually trying on eyeglasses includes capturing a plurality of images of a user's face, obtaining locations of a plurality of feature points on the user's face in the plurality of images, and using the locations of the plurality of feature points in the plurality of images to create a standard three-dimensional model of the user. Next, a selection is received from the user of a pair of virtual eyeglasses, the selected pair of virtual eyeglasses having a corresponding three-dimensional model depicting the size and shape of the selected pair of virtual eyeglasses. After this, a modified three-dimensional model of the user having the selected pair of virtual eyeglasses superimposed on the user's face is created according to the standard three-dimensional model of the user and the corresponding three-dimensional model of the selected pair of virtual eyeglasses. The result is then displayed for the user to see.Type: ApplicationFiled: December 23, 2014Publication date: June 23, 2016Inventors: Ping Yang, YanQing Lu, Jin Wang
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Patent number: 9116300Abstract: Technologies are generally described for techniques useful in an interferometer system. In some examples, a system may include a first waveguide effective to propagate a first wave in a first mode. In some examples, the system may include a second waveguide effective to, in response to the first wave, propagate second and third waves in second and third modes, respectively. In some examples, the second waveguide may be effective to reflect the second and third waves off a reflection surface to produce first, second, third and fourth reflected waves. In some examples, the second waveguide may be effective to propagate the first and third reflected waves in the second mode and propagate the second and fourth reflected waves in the third mode.Type: GrantFiled: June 25, 2010Date of Patent: August 25, 2015Assignee: Nanjing UniversityInventors: Yanqing Lu, Shuyi Zhang, Qi Zhong, Fei Xu, Xiaowen Lin, Wei Hu
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Patent number: 8644652Abstract: The present application relates to optical fibers having at least one slot. The optical fiber may be used, for example, in various sensing application. In some embodiments, a cross-section of the optical fiber perpendicular to the longitudinal axis has a largest dimension less than or equal to about 4 ?m, and the slot has a width of about 5 nm to about 500 nm and a depth of at least about 10 nm. Also disclosed herein are methods of using the optical fibers and apparatuses including the optical fibers.Type: GrantFiled: June 29, 2011Date of Patent: February 4, 2014Assignee: Empire Technology Development LLCInventors: Fei Xu, Junlong Kou, Yanqing Lu, Wei Hu
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Publication number: 20130239989Abstract: Technologies are generally described for systems and methods effective to implement particle removal. In one example, a method for at least partially removing particles from a region is generally described. In some examples, the method includes applying an electric field to a material to produce an acoustic wave from the material. The material may have a periodic piezoelectric coefficient. The method may include applying the acoustic wave to the region to produce an agglomeration. The agglomeration may include at least two of the particles. The method may further include at least partially removing the agglomeration from the region.Type: ApplicationFiled: March 5, 2012Publication date: September 19, 2013Inventors: Yanqing Lu, Xikui Hu, Fei Xu, Wei Hu