Patents by Inventor Yuanfeng ZHANG
Yuanfeng 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: 10746605Abstract: The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (f) performing visual efficacy analysis according to the processing results of the visual recognition information data.Type: GrantFiled: December 30, 2016Date of Patent: August 18, 2020Assignees: Beijing University of Technology (CN), Guizhou Expressway Group Co., Ltd (CN)Inventors: Jiangbi Hu, Xiaoyu Li, Xiaojuan Gao, Xiaoqin Zhang, Guiping Guan, Jianmin Wang, Feng Liu, Linxi Gao, Yuanfeng Zhang, Jiamei Liu, Pengfei Xu, Jianlong Cheng, Jiechao Cheng, Ronghua Wang
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Patent number: 10452929Abstract: The invention relates to an illumination standard calculation method for a tunnel entrance section in daytime based on safe visual recognition.Type: GrantFiled: October 15, 2015Date of Patent: October 22, 2019Assignees: Beijing University of Technology (CN), Guizhou Expressway Group Co., LTD (CN)Inventors: Jiangbi Hu, Wenqian Ma, Shilong Mei, Xiaoshun Lu, Jianping Cao, Weili Wang, Yuanfeng Zhang, Xiaoqin Zhang, Da Guo, Meng Wang, Xiaoyu Li, Linxi Gao, Xiaojuan Gao, Feng Liu
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Patent number: 10354022Abstract: The present invention relates to a visual efficacy determining method for non-colored objects in different light environments, comprising: a) setting light environment; b) placing an object for performing visual recognition of a driver; c) resetting the light environment, and repeating the step b); d) processing visual recognition information data obtained after experiments, and establishing a correlating relationship between visual recognition time and color temperature, color rendering index and brightness parameters of the light environment; and e) performing visual efficiency analysis according to the visual recognition information data processing results. The present invention further provides a system for implementing the visual efficacy determining method for non-colored objects in different light environments, wherein the system comprises a simulated tunnel middle section subsystem, a testing subsystem and a data processing subsystem.Type: GrantFiled: October 15, 2015Date of Patent: July 16, 2019Assignees: BEIJING UNIVERSITY OF TECHNOLOGY (CN), GUIZHOU EXPRESSWAY GROUP CO., LTD (CN)Inventors: Jiangbi Hu, Xiaoqin Zhang, Yuanfeng Zhang, Xiaoyu Li, Guiping Guan, Weili Wang, Wenqian Ma, Da Guo, Meng Wang, Feng Liu, Xiaojuan Gao, Linxi Gao
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Patent number: 10291984Abstract: A speaker, a television provided with the speaker and a multimedia device are provided. The speaker includes a box body and a plurality of transducer units installed within the box body by means of parallel connection: front sound cavities of the plurality of transducer units are independent of each other, respectively; and the plurality of transducer units share one back sound cavity. The speaker possesses such advantages that it has a high sound pressure level output and a smaller power consumption, it is usable to reduce the back-cavity acoustic resistance, and it is usable to raise the lower frequency limit in the low frequency range.Type: GrantFiled: June 18, 2015Date of Patent: May 14, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE MULTIMEDIA TECHNOLOGY CO., LTD.Inventors: Yajun Li, Zeyang Fan, Yuanfeng Zhang, Xin Duan
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Publication number: 20190033140Abstract: The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (0 performing visual efficacy analysis according to the processing results of the visual recognition information data.Type: ApplicationFiled: December 30, 2016Publication date: January 31, 2019Inventors: Jiangbi HU, Xiaoyu LI, Xiaojuan GAO, Xiaoqin ZHANG, Guiping GUAN, Jianmin WANG, Feng LIU, Linxi GAO, Yuanfeng ZHANG, Jiamei LIU, Pengfei XU, Jianlong CHENG, Jiechao CHENG, Ronghua WANG
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Patent number: 10172245Abstract: The shell for a mobile device comprises one or more functional modules attached to the shell and a connector, the functional module being capable of being electrically connected to the mobile device via the connector and a first interface of the mobile device, for providing a corresponding function for the mobile device. Such a shell can not only provide protection function for the mobile device but also can enhance the performance of the mobile device, enrich the function of the mobile device and promote the user's experience in using the mobile device.Type: GrantFiled: July 7, 2016Date of Patent: January 1, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE MULTIMEDIA TECHNOLOGY CO., LTD.Inventors: Haiyan Yao, Hanzhang Niu, Pei Li, Yuanfeng Zhang
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Publication number: 20180307918Abstract: The invention relates to an illumination standard calculation method for a tunnel entrance section in daytime based on safe visual recognition.Type: ApplicationFiled: October 15, 2015Publication date: October 25, 2018Inventors: Jiangbi HU, Wenqian MA, Shilong MEI, Xiaoshun LU, Jianping CAO, Weili WANG, Yuanfeng ZHANG, Xiaoqin ZHANG, Da GUO, Meng WANG, Xiaoyu LI, Linxi GAO, Xiaojuan GAO, Feng LIU
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Patent number: 9846415Abstract: Methods for manufacturing automation and a computer executed automated handling system for forming a device are presented. The method includes issuing a transfer request by a tool. The transfer request is processed by a production control system configured for tracking and controlling the flow of carriers. The processing of the transfer request includes selecting a carrier containing production material. A transport system having transport and load/unload (U/L) units in a production area to effect a transfer is controlled and the carrier is transferred by the transport system.Type: GrantFiled: January 21, 2013Date of Patent: December 19, 2017Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.Inventors: Weng Cheong Choo, Vei Tzee @ Kelvin Bui, Yuanfeng Zhang, Ting Lik Edmund Tan, Chee Wai Leong, Jong Youn Hwang, Shin Yit Lee, Wee Jin Tey, Kah Hing Ting, Ai Ling Nancy Chua
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Publication number: 20170337297Abstract: The present invention relates to a visual efficacy determining method for non-colored objects in different light environments, comprising: a) setting light environment; b) placing an object for performing visual recognition of a driver; c) resetting the light environment, and repeating the step b); d) processing visual recognition information data obtained after experiments, and establishing a correlating relationship between visual recognition time and color temperature, color rendering index and brightness parameters of the light environment; and e) performing visual efficiency analysis according to the visual recognition information data processing results. The present invention further provides a system for implementing the visual efficacy determining method for non-colored objects in different light environments, wherein the system comprises a simulated tunnel middle section subsystem, a testing subsystem and a data processing subsystem.Type: ApplicationFiled: October 15, 2015Publication date: November 23, 2017Inventors: Jiangbi HU, Xiaoqin ZHANG, Yuanfeng ZHANG, Xiaoyu LI, Guiping GUAN, Weili WANG, Wenqian MA, Da GUO, Meng WANG, Feng LIU, Xiaojuan GAO, Linxi GAO
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Publication number: 20170313237Abstract: This invention relates to an illumination standard calculation method for a tunnel middle section based on safe visual recognition: (a) Setting the light environment of the tunnel middle section; (b) Placing a target object in the tunnel middle section; (c) Making a driver drive a motor vehicle at different speeds toward the target object, and measuring the visual recognition distances D required by the driver to visually discover the target object at different speeds; (d) Resetting the average brightness L of the tunnel middle section and repeating the steps (b) and (c) to obtain a plurality of different sets of visual recognition distances D and corresponding brightness values L; (e) Using the S model to fit the data of the plurality of sets of visual recognition distances D and brightness values L to obtain the formula of the relational model of D and L to be L=0.683/(5.Type: ApplicationFiled: October 15, 2015Publication date: November 2, 2017Inventors: Jiangbi HU, Meng WANG, Guiping GUAN, Mingyu XIE, Xiangzhen CHANG, Xiaoqin ZHANG, Da GUO, Wenqian MA, Yuanfeng ZHANG, Xiaoyu LI, Linxi GAO, Xiaojuan GAO, Feng LIU
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Publication number: 20170265314Abstract: The shell for a mobile device comprises one or more functional modules attached to the shell and a connector, the functional module being capable of being electrically connected to the mobile device via the connector and a first interface of the mobile device, for providing a corresponding function for the mobile device. Such a shell can not only provide protection function for the mobile device but also can enhance the performance of the mobile device, enrich the function of the mobile device and promote the user's experience in using the mobile device.Type: ApplicationFiled: July 7, 2016Publication date: September 14, 2017Inventors: Haiyan YAO, Hanzhang NIU, Pei LI, Yuanfeng ZHANG
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Publication number: 20160134955Abstract: A speaker, a television provided with the speaker and a multimedia device are provided. The speaker includes a box body and a plurality of transducer units installed within the box body by means of parallel connection: front sound cavities of the plurality of transducer units are independent of each other, respectively; and the plurality of transducer units share one back sound cavity. The speaker possesses such advantages that it has a high sound pressure level output and a smaller power consumption, it is usable to reduce the back-cavity acoustic resistance, and it is usable to raise the lower frequency limit in the low frequency range.Type: ApplicationFiled: June 18, 2015Publication date: May 12, 2016Inventors: Yajun LI, Zeyang FAN, Yuanfeng ZHANG, Xin DUAN
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Patent number: 8411534Abstract: A data storage device comprises: a light waveguide element; a protective element; and a plurality of data storage elements interposed between the light waveguide element and the protective element. The light waveguide element irradiates light at a critical angle or more on the data storage elements. Each of the data storage elements comprises a transparent ferromagnetic element, which has been magnetized, disposed therein, and the magnetized transparent ferromagnetic element is movable by a magnetic field. When the magnetized transparent ferromagnetic element is moved close to the light waveguide element to allow light from the light guiding element to pass the data storage element, a first data is recorded, and when the magnetized transparent ferromagnetic element is moved away from the light waveguide element to prohibit light from the light guiding element to pass the data storage element, a second data is recorded.Type: GrantFiled: March 5, 2010Date of Patent: April 2, 2013Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Yuanfeng Zhang
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Publication number: 20100226217Abstract: A data storage device comprises: a light waveguide element; a protective element; and a plurality of data storage elements interposed between the light waveguide element and the protective element. The light waveguide element irradiates light at a critical angle or more on the data storage elements. Each of the data storage elements comprises a transparent ferromagnetic element, which has been magnetized, disposed therein, and the magnetized transparent ferromagnetic element is movable by a magnetic field. When the magnetized transparent ferromagnetic element is moved close to the light waveguide element to allow light from the light guiding element to pass the data storage element, a first data is recorded, and when the magnetized transparent ferromagnetic element is moved away from the light waveguide element to prohibit light from the light guiding element to pass the data storage element, a second data is recorded.Type: ApplicationFiled: March 5, 2010Publication date: September 9, 2010Applicant: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Yuanfeng ZHANG
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Patent number: D724041Type: GrantFiled: October 17, 2014Date of Patent: March 10, 2015Assignees: BOE Technology Group Co., Ltd., Beijing BOE Multimedia Technology Co., Ltd.Inventors: Xuezheng Li, Hu Zhu, Yuanfeng Zhang, Ying Wang
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Patent number: D725620Type: GrantFiled: October 20, 2014Date of Patent: March 31, 2015Assignees: BOE Technology Group Co., Ltd., Beijing BOE Multimedia Technology Co., Ltd.Inventors: Xuezheng Li, Hu Zhu, Ying Wang, Yuanfeng Zhang
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Patent number: D743922Type: GrantFiled: September 19, 2014Date of Patent: November 24, 2015Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE MULTIMEDIA TECHNOLOGY CO., LTD.Inventors: Xuezheng Li, Hu Zhu, Ying Wang, Yuanfeng Zhang