Patents by Inventor Xiaofeng Xu
Xiaofeng Xu 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: 10910303Abstract: A package structure and a manufacturing method thereof are provided. The package structure includes an insulation layer, an electronic component and a lead frame unit. The electronic component is embedded within the insulation layer and includes plural conducting terminals. The lead frame unit is embedded within the insulation layer and includes a lead frame and a metallization layer. The metallization layer having a thickness more than 10 ?m is disposed on at least a part of the lead frame and electrically connected with at least one of the plural conducting terminals of the electronic component.Type: GrantFiled: August 13, 2019Date of Patent: February 2, 2021Assignee: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTDInventors: Xiaofeng Xu, Beng Beng Lim
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Publication number: 20200385408Abstract: The invention relates to a bromodomain inhibitor. The invention also provides compositions and formulations comprising such compounds, and methods of using and preparing such compounds.Type: ApplicationFiled: December 20, 2018Publication date: December 10, 2020Inventors: Yan XU, Xiaofeng XU, Jiabing WANG, Lieming DING
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Publication number: 20200373213Abstract: A package structure includes a first encapsulation member, a second encapsulation member, at least one semiconductor chip, a plurality of metal pins and a second insulation layer. The first encapsulation member includes a first metal layer, a first insulation layer and a second metal layer. The at least one semiconductor chip is disposed between the first encapsulation member and the second encapsulation member. The at least one semiconductor chip comprises a plurality of conductive terminals connected with the first metal layer or a third metal layer. The plurality of metal pins are disposed between and extended outward from the first encapsulation member and the second encapsulation member. The second insulation layer is disposed between the first encapsulation member and the second encapsulation layer for securing the first encapsulation member, the second encapsulation member, the at least one semiconductor chip, and the plurality of metal pins.Type: ApplicationFiled: June 6, 2019Publication date: November 26, 2020Inventors: Jie Song, Xiaofeng Xu, Beng Beng Lim
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Patent number: 10755706Abstract: A method and system of controlling a digital assistant with dynamically switchable endpoint devices, comprising: dynamically selecting a respective input endpoint device and a respective controlled device for each of a plurality of voice-based requests from a user to the computing system, including: at a first point in time, acquiring respective instances of a first voice input from a first set of two or more input endpoint devices; obtaining a representative copy of the first voice input based on the respective instances of the first voice input that have been acquired from the first set of two or more input endpoint devices; determining a first actionable intent based on the representative copy of the first voice input; and dispatching a first encoded instruction to a first controlled endpoint device selected from the plurality of controlled endpoint devices in accordance with the first actionable intent.Type: GrantFiled: March 26, 2018Date of Patent: August 25, 2020Assignee: MIDEA GROUP CO., LTD.Inventors: Haibin Huang, Chi Zhang, Xiaofeng Xu, Chen Zhang, Dongyan Wang
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Publication number: 20200203268Abstract: A package structure and a manufacturing method thereof are provided. The package structure includes an insulation layer, an electronic component and a lead frame unit. The electronic component is embedded within the insulation layer and includes plural conducting terminals. The lead frame unit is embedded within the insulation layer and includes a lead frame and a metallization layer. The metallization layer having a thickness more than 10 ?m is disposed on at least a part of the lead frame and electrically connected with at least one of the plural conducting terminals of the electronic component.Type: ApplicationFiled: August 13, 2019Publication date: June 25, 2020Inventors: Xiaofeng Xu, Beng Beng Lim
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Patent number: 10662291Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.Type: GrantFiled: May 30, 2018Date of Patent: May 26, 2020Inventors: Luru Jing, Bin Wu, Chunqi Zhang, Fengxi Jing, Jianfeng Gu, Xiaofeng Xu, Zhifeng Xia
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Patent number: 10551446Abstract: A magnetic sensor for superconducting quantum interference device using single operational amplifier comprising SQUID, a feedback coil, feedback resistor and an operational amplifier. The voltage signal of SQUID is delivered to one input of the operational amplifier, a bias voltage is delivered to other input of the operational amplifier, and the output of the operational amplifier connects to one end of a feedback resistor, the other end of the feedback resistor connects to a feedback coil that is coupled through mutual inductance with the SQUID so as to generate feedback magnetic flux, the output voltage of the operational amplifier drives the feedback resistance to generate current, thereby forming a flux locking loop. The present invention uses an open loop operational amplifier to implement SQUID magnetic flux locking feedback circuit which simplifies the circuit configuration, decrease the loop delay and thereby achieving higher bandwidth of the flux locking loop.Type: GrantFiled: June 25, 2015Date of Patent: February 4, 2020Assignee: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventors: Yongliang Wang, Yi Zhang, Kai Chang, Hans-Joachim Krause, Xiaofeng Xu, Yang Qiu
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Publication number: 20200003321Abstract: The present invention discloses a movable valve core and an electromagnetic valve comprising the same. The movable valve core, comprising a cylindrical core body (1) defining a central axis, a leading head (2) fixed to the core body (1) removably, wherein a water-proof valve membrane (3) sandwiched between the core body (1) and the leading head (2), wherein a mounting hole (4) is axially formed in the core body (1), and a connector (5) for projecting into the mounting hole (4) extends axially from the bottom of the leading head (2), and the connector (5) is fixed into the mounting hole (4). The connector (5) is provided with an outer thread (6), and the leading head (2) is screwed into the mounting hole (4).Type: ApplicationFiled: October 9, 2018Publication date: January 2, 2020Inventors: Xiaofeng Xu, Haiqiang Fu
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Publication number: 20190358934Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: SCHOTT GLASS TECHNOLOGIES (SUZHOU) CO. LTD.Inventors: Guangjun ZHANG, Yoshio OKANO, Pengshu LIU, Sangjin KIM, Xiaofeng XU, Friedrich SIEBERS, Jose ZIMMER
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Publication number: 20190295542Abstract: A method and system of controlling a digital assistant with dynamically switchable endpoint devices, comprising: dynamically selecting a respective input endpoint device and a respective controlled device for each of a plurality of voice-based requests from a user to the computing system, including: at a first point in time, acquiring respective instances of a first voice input from a first set of two or more input endpoint devices; obtaining a representative copy of the first voice input based on the respective instances of the first voice input that have been acquired from the first set of two or more input endpoint devices; determining a first actionable intent based on the representative copy of the first voice input; and dispatching a first encoded instruction to a first controlled endpoint device selected from the plurality of controlled endpoint devices in accordance with the first actionable intent.Type: ApplicationFiled: March 26, 2018Publication date: September 26, 2019Inventors: Haibin Huang, Chi Zhang, Xiaofeng Xu, Chen Zhang, Dongyan Wang
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Publication number: 20180273686Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.Type: ApplicationFiled: May 30, 2018Publication date: September 27, 2018Inventors: LURU JING, BIN WU, CHUNQI ZHANG, FENGXI JING, JIANFENG GU, XIAOFENG XU, ZHIFENG XIA
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Patent number: 9900552Abstract: The present invention provides a conference processing method of a third-party application, capable of connecting a call of the third-party application to a teleconference of the communication device. The method includes the following steps: receiving, by a virtual sound card/virtual graphic card, data from a third-party application; and if a teleconference exists in the system, further judging whether the third-party application is allowed to join in the teleconference; wherein if it is judged that the third-party application is allowed to join in the teleconference, a sound mixing module and a screen mixing module mix audio and video data transmitted over at least one local session line and audio and video data of the third-party application, and complete sound mixing playing and mixing and superposition display; and otherwise, the audio and video data of the third-party application is shielded.Type: GrantFiled: January 11, 2017Date of Patent: February 20, 2018Assignees: SHENZHEN GRANDSTREAM NETWORKS TECHNOLOGIES CO., LTD, GRANDSTREAM NETWORKS, INC.Inventors: Xiabin Li, Xiaofeng Xu, Bi Chen, Kepan Gao, Qisong Ding, Xi Chen, Li Chen, Ye Li
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Patent number: 9735114Abstract: A first insulation layer comprising stacked prepreg layers is provided, and a metallic protective layer is formed on the first insulation layer. A first alignment mark is formed on the first insulation layer, and an accommodation cavity is formed in the first insulation layer according to the first alignment mark. A second alignment mark is formed on the first insulation layer according to the first alignment mark. A carrier plate is attached on the first insulation layer through a thermal release tape layer, and the semiconductor device is temporarily fixed on the thermal release tape layer within the accommodation cavity according to the second alignment mark. A semi-cured second insulation layer is placed over the first insulation layer, and the second insulation layer is laminated and cured. A re-distribution layer is formed on the second insulation layer, and the re-distribution layer is electrically connected with the semiconductor device.Type: GrantFiled: December 27, 2016Date of Patent: August 15, 2017Assignee: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTDInventors: Xiaofeng Xu, Beng Beng Lim, Yiu Wai Lai
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Publication number: 20170184689Abstract: A magnetic sensor for superconducting quantum interference device using single operational amplifier comprising SQUID, a feedback coil, feedback resistor and an operational amplifier. The voltage signal of SQUID is delivered to one input of the operational amplifier, a bias voltage is delivered to other input of the operational amplifier, and the output of the operational amplifier connects to one end of a feedback resistor, the other end of the feedback resistor connects to a feedback, coil that is coupled through mutual inductance with the SQUID so as to generate feedback magnetic flux, the output voltage of the operational amplifier drives the feedback resistance to generate current, thereby forming a flux locking loop. The present Invention uses an open loop operational amplifier to implement SQUID magnetic flux locking feedback circuit which simplifies the circuit configuration, decrease the loop delay and thereby achieving higher bandwidth of the flux locking loop.Type: ApplicationFiled: June 25, 2015Publication date: June 29, 2017Applicant: Shanghai Institute of Microsystem and Information Technology, Chinese Academy Of ScienceInventors: Yongliang Wang, Yi Zhang, Kai Chang, Hans-Joachim Krause, Xiaofeng Xu, Yang Qiu
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Publication number: 20170127022Abstract: The present invention provides a conference processing method of a third-party application, capable of connecting a call of the third-party application to a teleconference of the communication device. The method includes the following steps: receiving, by a virtual sound card/virtual graphic card, data from a third-party application; and if a teleconference exists in the system, further judging whether the third-party application is allowed to join in the teleconference; wherein if it is judged that the third-party application is allowed to join in the teleconference, a sound mixing module and a screen mixing module mix audio and video data transmitted over at least one local session line and audio and video data of the third-party application, and complete sound mixing playing and mixing and superposition display; and otherwise, the audio and video data of the third-party application is shielded.Type: ApplicationFiled: January 11, 2017Publication date: May 4, 2017Inventors: XIABIN LI, XIAOFENG XU, BI CHEN, KEPAN GAO, QISONG DING, XI CHEN, LI CHEN, YE LI
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Publication number: 20160031187Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.Type: ApplicationFiled: October 12, 2015Publication date: February 4, 2016Inventors: Guangjun ZHANG, Yoshio OKANO, Pengshu LIU, Sangjin KIM, Xiaofeng XU, Friedrich SIEBERS, Jose ZIMMER
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Patent number: 8775210Abstract: Certain embodiments of the present invention provide a networked healthcare data management system. Certain embodiments of the data management system include a healthcare data archive connected to a network wherein the archived data comprises diagnostic, therapeutic, and demographic data. Certain embodiments further include a worklist server connected to the network wherein the worklist server receives data descriptors from the healthcare data archive and compiles the data descriptors into worklists. Certain embodiments also include a client system connected to a network wherein the client system queries the worklist server and the worklist server answers the queries by providing at least the network location of the archived data.Type: GrantFiled: April 22, 2010Date of Patent: July 8, 2014Assignee: General Electric CompanyInventors: Yongjian Bao, William Stoval, III, Xiaofeng Xu
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Patent number: 8773337Abstract: A color temperature tunable white light source comprises a first LED arrangement comprising at least one blue emitting LED configured to excite a remote phosphor and a second LED arrangement comprising at least one red emitting LED. The LED arrangements are configured such that the composite light emitted by the LED arrangements appears white in color. The relative drive currents of the LEDs is controllable, and thus variable in relative magnitude, such that the color temperature of the composite light emitted by the source is electrically tunable.Type: GrantFiled: May 6, 2011Date of Patent: July 8, 2014Assignee: Intematix CorporationInventors: Yi-Qun Li, Yi Dong, Xiaofeng Xu
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Publication number: 20140106836Abstract: A computer-implemented game system enables users to simulate the trading of financial instruments in a financial market. Among other things, the system simulates the purchasing of a financial instrument, the specification of conditions for holding or selling the financial instrument, and the selling of a financial instrument to realize simulated gains and losses. The performance of each user is tracked and displayed, such that users can compare their performance against other users. The performance of each user is used to determine a payout for that user.Type: ApplicationFiled: October 11, 2013Publication date: April 17, 2014Inventors: Justin Short, Alexander Braylan, Xiaofeng Xu, Anthony Lenaghan, Ming Hiu Yau
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Patent number: 8203260Abstract: A color temperature tunable white light source comprises: first and second LED arrangements operable to emit light of first and second wavelength range respectively that are configured such that their combined light output, which comprises light generated by the source, appears white in color. One or both LED arrangements comprises a phosphor provided remote to an associated LED operable to generate excitation radiation and to irradiate the phosphor such that it emits light of a different wavelength range, wherein the light emitted by the LED arrangement comprises the combined light from the LED and phosphor. The color temperature of output white light is tunable by controlling the relative light outputs of the LED arrangements by for example controlling the relative magnitude of the drive currents of the LEDs or a duty cycle of a pulse width modulated drive current.Type: GrantFiled: April 13, 2007Date of Patent: June 19, 2012Assignee: Intematix CorporationInventors: Yi-Qun Li, Yi Dong, Xiaofeng Xu