Patents by Inventor Qian Cao
Qian Cao 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: 20200201667Abstract: A virtual machine live migration method, apparatus, and system relating to the field of communications technologies are disclosed. The method includes: in a process of live migration of a target virtual machine, obtaining pre-recorded storage location information corresponding to target service configuration information, where the target service configuration information is used by a target virtual acceleration component corresponding to the target virtual machine to perform service processing; reading the target service configuration information in a storage location corresponding to the storage location information; and sending the target service configuration information to a destination server, so that the destination server stores the target service configuration information. In the present disclosure, a service processing failure can be avoided.Type: ApplicationFiled: March 3, 2020Publication date: June 25, 2020Inventors: Rui CHEN, Qian CAO, Yuping ZHAO, Xinyu HU, Hongbo ZHAO
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Publication number: 20200151075Abstract: A method for implementing fault detection includes: instructing, by a detection device, a detected device to configure a detected path and a return path, where the detected path is a path from a first physical port of the detected device to a second physical port of the detected device via a target unit of the detected device, the return path is a path from the second physical port to the detection device, and the target unit is a VNF or an accelerator; sending a detection packet to the detected device through the first physical port; and when receiving the detection packet transmitted through the detected path and the return path, determining that the detected path is not faulty. According to the method, it can be further determined that the path that passes through the VNF or the accelerator is not faulty.Type: ApplicationFiled: January 6, 2020Publication date: May 14, 2020Inventors: Hongbo Zhao, Yuping Zhao, Xinyu Hu, Qian Cao
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Publication number: 20200119941Abstract: This application discloses a BRAS system-based packet encapsulation method and apparatus, and pertains to the field of communications technologies. The method includes: obtaining user access information when receiving a user access protocol packet, performing VXLAN GPE encapsulation on the user access protocol packet based on the user access information, the encapsulation structure includes a user information header that is used to store the user access information, a quantity of bytes occupied by the user information header is less than or equal to 12. In this application, the foregoing encapsulation structure is used to encapsulate a packet, and an encapsulated packet has backward compatibility. In addition, because the quantity of bytes occupied by the user information header is less than a quantity of bytes occupied by an NSH that carries the user access information, encapsulation overheads are saved.Type: ApplicationFiled: December 13, 2019Publication date: April 16, 2020Inventors: Jie Chen, Zhouyi Yu, Hongtao Guo, Qian Cao
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Publication number: 20200107084Abstract: The present disclosure relates to a method and device for playback optimization. The method specifically includes: upon receiving a request from a client, querying whether an optimized playback parameter related to a multimedia resource has been stored, wherein the request is associated with the multimedia resource; and if the optimized playback parameter has been stored, transmitting the optimized playback parameter to the client, so as to have the multimedia resource played by the client according to the optimized playback parameter. The method of playback optimization of embodiments of the present disclosure allows hardware advantage to be brought into play in the process of multimedia resource playback, thus enhancing playback effects. Moreover, an assessment of the content of the entire multimedia resource can be performed, thus emphasizing an idea being expressed by a picture, and enhancing comprehension of the content of the picture.Type: ApplicationFiled: September 12, 2016Publication date: April 2, 2020Inventors: Chao NING, Shenhua AN, Qian CAO, Wenhua SU, Jian YAO, Baiyu PAN, Ji WANG
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Patent number: 10446292Abstract: The present disclosure relates to a composite cable, which comprises a first wire assembly and a second wire assembly, and each wire of the second wire assembly is surrounded by an insulating layer. The composite cable further comprises: a sheath made of insulating material and configured to enclose the first wire assembly and the second wire assembly; and a shield comprising different kinds of metal wires and configured to surround the first wire assembly, wherein the first wire assembly is capable of transmitting signals, and the second wire assembly is capable of transmitting power supply. The composite cable according to the present disclosure is excellent in shielding performance for different requirements.Type: GrantFiled: September 12, 2016Date of Patent: October 15, 2019Assignee: Heyi Intelligent Technology (Shenzhen) Co., LtdInventors: Chao Ning, Qian Cao, Wenhua Su, Jian Yao, Baiyu Pan, Ji Wang
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Publication number: 20190266006Abstract: An accelerator loading apparatus obtains an acceleration requirement, where the acceleration requirement includes an acceleration function and acceleration performance of a to-be-created virtual machine, determines an image that meets the acceleration function and the acceleration performance, and determines a target host in which an available accelerator that can load the image is located, and then sends an image loading command to the target host. The image loading command includes a descriptor of the image, and is used to enable the target host to load the image for the available accelerator. In the method, a target host that can create the virtual machine may be determined based on the acceleration function and the acceleration performance of the to-be-created virtual machine, and an image used for acceleration is loaded to an available accelerator of the target host, to implement dynamic accelerator loading and deployment.Type: ApplicationFiled: May 9, 2019Publication date: August 29, 2019Inventors: Qian Cao, Yuping Zhao, Xinyu Hu
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Publication number: 20190265985Abstract: An accelerator loading apparatus obtains an acceleration requirement, where the acceleration requirement includes an acceleration function of a to-be-created virtual machine and acceleration performance of the to-be-created virtual machine. The accelerator loading apparatus determines a target accelerator that meets the acceleration function of the to-be-created virtual machine and the acceleration performance of the to-be-created virtual machine. The accelerator loading apparatus determines an image corresponding to the target accelerator, and sends an image loading command to a target host in which the target accelerator is located, where the image loading command is used to enable the target host to load the image for the target accelerator based on the image loading command.Type: ApplicationFiled: May 9, 2019Publication date: August 29, 2019Inventors: Qian Cao, Yuping Zhao, Xinyu Hu
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Publication number: 20190068516Abstract: This application describes a network device, a controller, a queue management method, and a traffic management chip. The method may be applied to a traffic management chip that uses an HQoS technology, and can include receiving a queue management instruction sent by a controller, where the queue management instruction includes an identifier of a first scheduler and an identifier of a first queue, and the first scheduler is one of multiple first-level schedulers. The method may also include controlling, according to the queue management instruction, scheduling of the first queue by the first scheduler, where a queue scheduled by the first scheduler belongs to a queue resource pool of the TM chip, and the queue resource pool includes at least one to-be-allocated queue. In this application, decoupling between queue allocation and the first-level schedulers is implemented, flexibility of queue allocation is improved, and utilization of queue resources is improved.Type: ApplicationFiled: October 19, 2018Publication date: February 28, 2019Inventors: Fanyu Meng, Qian Cao, Chen Tian
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Patent number: 10208769Abstract: A fan module for a cooling unit includes a housing configured to be secured within the cooling unit. The housing has a first open end and a second open end spaced from the first open end. The fan module further includes a fan assembly secured within the housing at the first open end of the housing. The fan assembly includes a fan support, a fan rotatably coupled to the fan support, and a motor coupled to the fan to drive rotation of the fan. The fan support is configured to support the fan assembly within the housing. The fan module further comprises a noise reduction assembly disposed in the housing adjacent the fan assembly to reduce noise generated by the fan assembly.Type: GrantFiled: June 28, 2013Date of Patent: February 19, 2019Assignee: SCHNEIDER ELECTRIC IT CORPORATIONInventors: Qian Cao, Rong Long, Pan Gao, Xuxiang Zhang, Qiang Li
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Publication number: 20180292603Abstract: The disclosure relates to a rear cover of backlight module, a backlight module and a display module. The rear cover includes a bottom plate and one or more side plates, wherein an accommodating cavity is formed by the side plates and the bottom plate, an inner surface of a side plate is provided with a protrusion protruding toward inside of the accommodating cavity, and a groove used to accommodate the backlight source and fix a light guide plate is formed between the protrusion and the bottom plate. The backboard, the plastic central frame and the front frame of a display module such as television are integrated into one. This dramatically reduces the components or the key materials for the display module, thereby shortening the supply chain and saving the cost for the materials. Several key materials are integrated into one, so that the cost may be lowered.Type: ApplicationFiled: September 13, 2016Publication date: October 11, 2018Inventors: Yajun Yu, Qian CAO, Wenhua SU, Jian YAO, Baivu PAN, Ji WANG
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Publication number: 20180240571Abstract: The present disclosure relates to a composite cable, which comprises a first wire assembly and a second wire assembly, and each wire of the second wire assembly is surrounded by an insulating layer. The composite cable further comprises: a sheath made of insulating material and configured to enclose the first wire assembly and the second wire assembly; and a shield comprising different kinds of metal wires and configured to surround the first wire assembly, wherein the first wire assembly is capable of transmitting signals, and the second wire assembly is capable of transmitting power supply. The composite cable according to the present disclosure is excellent in shielding performance for different requirements.Type: ApplicationFiled: September 12, 2016Publication date: August 23, 2018Inventors: Chao NING, Qian CAO, Wenhua SU, Jian YAO, Baiyu PAN, Ji WANG
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Publication number: 20180192525Abstract: The present disclosure relates to a display module and a method for producing the same. The method comprises: providing a reflective sheet inside an accommodating cavity of a rear cover of the display module, the accommodating cavity being formed by a bottom plate and a side plate of the rear cover; providing a backlight source above the reflective sheet, and fixing the backlight source to an inner surface of the side plate; providing a light guide plate above the reflective sheet and on a side of the backlight source, and connecting the light guide plate to the side plate; providing an optical film above the light guide plate, and connecting the optical film to the side plate; and providing a display panel above the optical film, and fixing the display panel to the side plate. By the present disclosure, the backboard, the plastic central frame and the front frame of the display module such as a television can be replaced with a rear cover.Type: ApplicationFiled: September 13, 2016Publication date: July 5, 2018Inventors: Yajun Yun, Qian CAO, Wenhua SU, Jian YAO, Baiyu PAN, Ji WANG
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Patent number: 9983435Abstract: A backlight module and a display device are disclosed. The present disclosure relates to the technical field of display, whereby the technical problem of dark spots existing at the corners of the liquid crystal display device in the prior art can be solved. The backlight module comprises a reflective sheet and a plurality of light sources that are arranged on said reflective sheet, wherein the reflective sheet at edges and corners of said backlight module has a certain slope or curvature; and adjusting members, arranged at corners of said backlight module, so that the slope or curvature of the reflective sheet at the corners of said backlight module matches the slope or curvature of the reflective sheet at the edges of said backlight module.Type: GrantFiled: January 16, 2015Date of Patent: May 29, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Qian Cao, Jianyu Chang
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Patent number: 9545012Abstract: A method for manufacturing a printed circuit board of a backlight module is provided. The printed circuit board includes a light bar region and a heat dissipating region. The light bar region used for mounting a light bar of the backlight module and formed with a conductive circuit for supplying power for the light bar. The heat dissipating region is connected with the light bar region. A connection location of the light bar region and the heat dissipating region is subjected to cutting to form a slot located at a side of the printed circuit board in order to prevent short-circuiting between the heat dissipating region and the conductive circuit of the light bar region. The cutting is made to partly penetrate through the thickness of a dielectric layer on which the conductive circuit is formed in order to completely separate the light bar region from the heat dissipating region.Type: GrantFiled: January 11, 2013Date of Patent: January 10, 2017Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Che-chang Hu, Kuang-Yao Chang, Qian Cao
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Publication number: 20160341875Abstract: A backlight module is disclosed, which comprises a light guide plate having at least one incident light side; a light bar, adjacent to the incident light side; a plurality of quantum dot films, the quantum dot films are arranged between the light bar and the incident light side; wherein the light from the light bar goes through the quantum dot film and irradiates on the incident light side. A LCD device with the backlight module is further disclosed. A plurality of shorter quantum dot films are arranged between the light source and the incident light side of the light guide to replace one longer quantum dot film of the conventional art. And the manufacturing process of the short quantum dot film is simple with low cost, and the film does not have the rupturing issue to improve the safety and reliability of the quantum dot film.Type: ApplicationFiled: January 21, 2015Publication date: November 24, 2016Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Jianyu CHANG, Hu HE, Qian CAO, Yong FAN, Sheng-jer CHANG CHIEN, Zuoyuan QIN
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Patent number: 9429303Abstract: Disclosed are a backlight source and a manufacturing method thereof, wherein the method of manufacturing the backlight source comprises the following steps: forming a base layer, a dielectric layer, and a conductive layer stacked successively from bottom to top to form a semi-finished PCB; the semi-finished PCB is divided into a light bar area and a heat dissipating area; the conductive layer is divided into a first conductive area and a second conductive area insulated from each other; etching the second conductive area to form a preset conductive circuit; spraying insulating paint upon the conductive layer to form the insulating layer, thus producing the PCB; and installing the LED onto the light bar area and making it in electrical connection with the second conductive area.Type: GrantFiled: February 21, 2013Date of Patent: August 30, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Che-Chang Hu, Kuang Yao Chang, Qian Cao, Chong Xiong
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Publication number: 20160245484Abstract: A backlight module and a display device are disclosed. The present disclosure relates to the technical field of display, whereby the technical problem of dark spots existing at the corners of the liquid crystal display device in the prior art can be solved. The backlight module comprises a reflective sheet and a plurality of light sources that are arranged on said reflective sheet, wherein the reflective sheet at edges and corners of said backlight module has a certain slope or curvature; and adjusting members, arranged at corners of said backlight module, so that the slope or curvature of the reflective sheet at the corners of said backlight module matches the slope or curvature of the reflective sheet at the edges of said backlight module.Type: ApplicationFiled: January 16, 2015Publication date: August 25, 2016Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Qian Cao, Jianyu Chang
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Patent number: 9360706Abstract: The present invention relates to a backlight module and a corresponding liquid crystal display panel. The backlight module includes a backboard having multiple concave portions formed on an inner surface of the backboard and multiple light sources mounted in the concave portions. The backlight module and the corresponding liquid crystal display device of the present invention can reduce the thickness of direct-type backlight module without affecting the optical quality of the lights emitted from the backlight module and increasing the manufacturing cost of the backlight module.Type: GrantFiled: April 13, 2012Date of Patent: June 7, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianfa Huang, Qian Cao, Chechang Hu
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Publication number: 20160146223Abstract: A fan module for a cooling unit includes a housing configured to be secured within the cooling unit. The housing has a first open end and a second open end spaced from the first open end. The fan module further includes a fan assembly secured within the housing at the first open end of the housing. The fan assembly includes a fan support, a fan rotatably coupled to the fan support, and a motor coupled to the fan to drive rotation of the fan. The fan support is configured to support the fan assembly within the housing. The fan module further comprises a noise reduction assembly disposed in the housing adjacent the fan assembly to reduce noise generated by the fan assembly.Type: ApplicationFiled: June 28, 2013Publication date: May 26, 2016Applicant: SCHNEIDER ELECTRIC IT CORPORATIONInventors: Qian CAO, Rong LONG, Pan GAO, Xuxiang ZHANG, Qiang LI
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Patent number: 9298037Abstract: A sunlight collecting device provided in the present invention includes a lens substrate, a plurality of Fresnel lens, a connector substrate, a plurality of optical fiber connectors, and a light-tracking substrate. The lens substrate has a plurality of circular openings. The Fresnel lenses correspond to the circular opening and are disposed on the lens substrate. The connector substrate is disposed parallel to the lens substrate and away from the lens substrate with a focal length. The optical fiber connectors are adjustably disposed on the connector substrate. The light-tracking substrate is disposed between the lens substrate and the connector substrate for simultaneously rotating the lens substrate and the connector substrate such that the Fresnel lenses are directly opposite to the sunlight. An LCD using the sunlight as a backlight source is further provided in the present invention.Type: GrantFiled: December 13, 2013Date of Patent: March 29, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao Ning, Sheng-Jer Chang Chien, Qian Cao, Dehua Li, Guofu Tang