Patents by Inventor Qin Xu

Qin 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).

  • Publication number: 20190149872
    Abstract: An information exchanging method, an information exchanging device, and a terminal are provided. The information exchanging method is applied to an audio terminal. The method includes: receiving an input instruction from a user; generating a content request message according to the input instruction and a connection state identifier of the audio terminal, and sending the content request message to a server, wherein the connection state identifier indicates whether the audio terminal is connected to the video display device; and receiving a content request response message returned by the server. Thus, voice instructions input by the user can be more accurately performed according to the connection state of the audio device.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 16, 2019
    Inventors: Zhike ZHANG, Bin HUANG, Xinjie WANG, Zhaoji XU, Zhihua WANG, Fei WANG, Wenlin DONG, Leilei GAO, Xiangtao JIANG, Gaofei CHENG, Zhipeng WU, Qin XIONG
  • Patent number: 10284118
    Abstract: A two-axis angular pointing device includes a pivot bearing configured to support a payload. A first actuator is positioned to contact the payload at a first drive point. A second actuator is positioned to contact the payload at a second drive point. The first actuator is configured to generate a first movement of the payload in a direction substantially orthogonal to a plane defined by a center of the pivot bearing, the first drive point, and the second drive point to cause the payload to rotate around a first rotation axis. The second actuator is configured to generate a second movement of the payload at the second drive point in the direction substantially orthogonal to the plane to cause the payload to rotate around a second rotation axis. A method of making a two-axis angular pointing device is also disclosed.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: May 7, 2019
    Assignee: New Scale Technologies, Inc.
    Inventors: David A. Henderson, Qin Xu
  • Patent number: 10249504
    Abstract: In some embodiments, a method includes wet-etching a first film layer of a plurality of film layers stacked on a semiconductor substrate, the wet-etching of the first film layer performed using a first chemical, where the first film layer is an outermost film layer stacked on the semiconductor substrate. The method further includes wet-etching a second film layer of the plurality of film layers using a second chemical. The method also includes using a mechanical grinding wheel to grind the semiconductor substrate to reduce a thickness of the semiconductor substrate.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: April 2, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Jian Jun Kong, She Yu Tang, Tian Yi Zhang, Qin Xu Yu, Sheng Pin Yang
  • Publication number: 20190067017
    Abstract: In some embodiments, a method includes wet-etching a first film layer of a plurality of film layers stacked on a semiconductor substrate, the wet-etching of the first film layer performed using a first chemical, where the first film layer is an outermost film layer stacked on the semiconductor substrate. The method further includes wet-etching a second film layer of the plurality of film layers using a second chemical. The method also includes using a mechanical grinding wheel to grind the semiconductor substrate to reduce a thickness of the semiconductor substrate.
    Type: Application
    Filed: January 8, 2018
    Publication date: February 28, 2019
    Inventors: Jian Jun Kong, She Yu Tang, Tian Yi Zhang, Qin Xu Yu, Sheng Pin Yang
  • Patent number: 10192732
    Abstract: A chemical solution cleaning process for removing backside contamination prior to metallization involves selective chemistries of a mixture containing NH4OH and H2O2 that may be diluted to specific concentrations depending upon the topside metal and passivation of a semiconductor wafer, which is applied after removing a topside protection material to protect the topside circuitry.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: January 29, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Qin Xu Yu, Tian Yi Zhang, Jian Jun Kong
  • Patent number: 10187037
    Abstract: A stick-slip stage device includes a carriage assembly configured to support a payload, the carriage assembly comprising at least three piezoelectric stick-slip actuators each having one or more contact points. At least two rails are positioned on opposing sides of the carriage assembly and configured to interact with one or more of the contact points to form a guideway for movement of the carriage assembly. A fixed structure connects the at least two rails and is configured to generate a friction force between the at least two rails and one or more of the contact points of the at least three piezoelectric stick-slip actuators. A method of making a stick-slip stage device is also disclosed.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: January 22, 2019
    Assignee: New Scale Technologies, Inc.
    Inventors: David A. Henderson, Qin Xu, Daniele Piazza
  • Publication number: 20190018093
    Abstract: A state space controller includes an integral part configured to integrate a control deviation, wherein the control deviation indicates a difference between a digital value of a gradient coil current and a reference current; a delay compensator configured to generate a digital control amount according to the integrated control deviation by the integral part, and generated a pulse-width modulation drive signal according to the digital control amount, and includes a subtractor of which a non-inverting input terminal is connected to an output terminal of the integral part, a delayer configured to delay the digital control amount by one calculation cycle, and a first feedback loop configured to delay the digital control amount by one calculation cycle and multiply a first compensation coefficient to obtain a first compensation amount, wherein the first compensation amount is input into a first inverting input terminal of the subtractor.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Inventors: Gong CHENG, Qin XU
  • Publication number: 20190000817
    Abstract: Provided are methods and compositions for identifying candidate agents for treatment of obesity, liver disease, and/or diabetes. Such methods include, e.g., contacting a mammalian cell or cell population with a test agent, and measuring an expression level and/or activity level of ClpP in the mammalian cell or in cells of the cell population. Also provided are methods and compositions for treating an individual (e.g., one who is obese and/or has diabetes). Treatment methods include administering an inhibitor of ClpP to the individual (e.g., to prevent or reduce weight gain, to increase insulin sensitivity, and/or to increase glucose tolerance).
    Type: Application
    Filed: September 12, 2018
    Publication date: January 3, 2019
    Inventors: Yadong Huang, Qin Xu, Robert W. Mahley
  • Publication number: 20180210046
    Abstract: A drive circuit of a radio-frequency (RF) transmitting coil and a magnetic resonance imaging (MRI) device are provided. According to an example, the drive circuit includes a controller, a digital-to-analogue converter (DAC) coupled with the controller, a RF amplifier coupled with the DAC, a power divider coupled with the RF amplifier, and a plurality of phase shifters respectively coupled with at least three output ports of the power divider.
    Type: Application
    Filed: January 19, 2018
    Publication date: July 26, 2018
    Inventor: Qin XU
  • Publication number: 20180183356
    Abstract: A semi-resonant actuator assembly includes a resonating body comprising a piezoelectric plate having a first length, a first width, and a first thickness, and an inactive plate having a second length substantially equal the first length, a second width substantially equal to the first width, and second thickness. A thickness of the resonating body is provided by a sum of the first thickness of the active piezoelectric plate and the second thickness of the inactive plate.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 28, 2018
    Inventors: David A. Henderson, Qin Xu, Daniele Piazza, Eric Walkama
  • Patent number: 9966679
    Abstract: The terminal is used within a card edge connector. Each terminal includes a base, a connecting tail extending downwardly form the base, first and second extending sections commonly extending upwardly from the base while spaced from each other, and first and second contacting sections respectively extending from the corresponding extending sections and into the central slot wherein all the base, the extending sections, the contacting sections and the connecting section lie in a same plane. The first contacting section is lower than the second contacting section. The first extending section is closer to the central slot than the second extending section is, and has more deflected regions thereof than the second extending section for increasing the length and the corresponding resiliency thereof.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: May 8, 2018
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Qin Xu, Zhuang-Xing Li, Wen-Jun Tang
  • Publication number: 20180120400
    Abstract: A method of processing Magnetic Resonance Imaging (MRI) data is provided. According to an example of the method, after a set of MRI data of a subject is obtained by an MRI system, interpolation may be performed on real parts and imaginary parts of the set of MRI data, respectively, to obtain real part interpolation results and imaginary part interpolation results. Interpolation is performed on amplitudes of the set of MRI data to obtain amplitude interpolation results. Target interpolation results are determined with the real part interpolation results, the imaginary part interpolation results and the amplitude interpolation results. Then, an MRI image of the subject is reconstructed with the target interpolation results.
    Type: Application
    Filed: October 26, 2017
    Publication date: May 3, 2018
    Inventors: Haoda DING, Hongyu GUO, Qin XU
  • Publication number: 20180098712
    Abstract: A magnetic resonance imaging (MRI) method is provided. The method includes: a first echo signal and a second echo signal generated from each of channels of a MRI device are acquired by performing a pre-scanning according to an imaging sequence; a correction displacement with which an imaging phase consistency is maximum is determined by shifting a signal curve of the second echo signal for each of the channels for a plurality of times; a one-order phase correction value and a zero-order phase correction value for the channels are determined under the imaging sequence according to the correction displacement; a formal scanning is performed according to the imaging sequence to obtain scanning data; and a phase correction is performed on the scanning data according to the one-order phase correction value and the zero-order phase correction value to obtain target scanning data for reconstructing an image.
    Type: Application
    Filed: October 4, 2017
    Publication date: April 12, 2018
    Inventors: Cao CHEN, Hongyu GUO, Qin XU
  • Publication number: 20180059203
    Abstract: Methods, systems, and computer-readable storage mediums for correcting time in a nuclear magnetic resonance device are provided. In one aspect, a method includes obtaining respective transmission time delays of three gradient pulse signals that are generated by a three-dimensional gradient subsystem of the nuclear magnetic resonance device and include a slice-selection gradient signal, a phase-encoding gradient signal, and a frequency-encoding gradient signal, determining a time correction value according to the obtained respective transmission time delays of the three gradient pulse signals, and correcting a respective output time of each of the three gradient pulse signals, an output time of a radio-frequency (RF) pulse signal generated by a RF transmitting subsystem of the nuclear magnetic resonance device, and a reception time of a magnetic resonance signal received by a RF receiving subsystem in a scanning cycle according to the determined time correction value.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Inventors: Jianhua SHI, Qin XU, Rong SUN, Haiquan LI, Yan WANG, Lin WU, Junwei SHANG
  • Publication number: 20180054010
    Abstract: The terminal is used within a card edge connector. Each terminal includes a base, a connecting tail extending downwardly form the base, first and second extending sections commonly extending upwardly from the base while spaced from each other, and first and second contacting sections respectively extending from the corresponding extending sections and into the central slot wherein all the base, the extending sections, the contacting sections and the connecting section lie in a same plane. The first contacting section is lower than the second contacting section. The first extending section is closer to the central slot than the second extending section is, and has more deflected regions thereof than the second extending section for increasing the length and the corresponding resiliency thereof.
    Type: Application
    Filed: August 21, 2017
    Publication date: February 22, 2018
    Inventors: QIN XU, ZHUANG-XING LI, WEN-JUN TANG
  • Publication number: 20180005818
    Abstract: A chemical solution cleaning process for removing backside contamination prior to metallization involves selective chemistries of a mixture containing NH4OH and H2O2 that may be diluted to specific concentrations depending upon the topside metal and passivation of a semiconductor wafer, which is applied after removing a topside protection material to protect the topside circuitry.
    Type: Application
    Filed: November 4, 2016
    Publication date: January 4, 2018
    Inventors: Qin Xu YU, Tian Yi ZHANG, Jian Jun KONG
  • Patent number: 9835633
    Abstract: The present disclosure provides methods of identifying a candidate agent for treating an apoE-associated neurodegenerative disorder. The methods involve contacting a PCSK1 or a PCSK2 polypeptide with an apolipoprotein E polypeptide in the presence of a test agent.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 5, 2017
    Assignee: The J. David Gladstone Institutes
    Inventors: Yadong Huang, Qin Xu
  • Patent number: 9806461
    Abstract: A card edge connector includes an elongated insulative housing, a number of contacts retained in the insulative housing, and an ejector received in the insulating housing for locking with a memory card. The insulative housing includes a passageway and at least one tower portion extending upwardly from an end thereof. The tower portion has a two opposite side walls, and a middle wall located between two side walls. The ejector has a base portion defining a lower ejecting section, a locking portion defining a locking section, and a narrowed reinforcing portion formed between the base portion and the locking portion. The narrowed reinforcing portion being thinner than the base portion and the locking portion, and the middle wall has a narrowed slot communicating with the elongated passageway to permit the narrowed reinforcing portion to rotate inward to lower a height of the card edge connector.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: October 31, 2017
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Qin Xu, Hung-Chi Yu, Zhen-Hua Wang
  • Patent number: 9806460
    Abstract: A card edge connector includes an elongated insulative housing extending in a longitudinal direction and defining at least one tower portion extending upwardly from a longitudinal end thereof, a plurality of contacts retained in the insulative housing, and an ejector received in the at least one tower portion for latching with or ejecting a memory card. The ejector has a base portion rotatably attached to the tower portion and a locking portion rotatably attached to the base portion, the at least one tower portion has a slot, the locking portion is rotatable inward to face towards the top surface of the insulative housing in order to reduce a height of the card edge connector, the base portion has a lower ejecting section, and the locking portion has an upper locking section.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: October 31, 2017
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Zhuang-Xing Li, Wen-Jun Tang, Xue-Wu Bu, Hung-Chi Yu, Qin Xu
  • Patent number: 9638305
    Abstract: A differential assembly includes a differential housing, two side gears, at least one output hub, and at least one pinion gear assembly. When a torque input is provided to the first side gear, eccentric contact surfaces on the first side gear and the output hub contact under compression forces, and compression forces between the outer cylindrical surface of the first side gear and an inner cylindrical surface of the differential housing and between the outer cylindrical surface of the first output hub and the inner cylindrical surface of the differential housing cause frictional forces between the differential housing and the first side gear and between the differential housing and the first output hub to provide a torque bias to the differential assembly. In some embodiments, the differential housing includes a second output hub and eccentric contact surfaces on the second side gear and the second output hub.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: May 2, 2017
    Assignee: MANA INDUSTRIES, INC.
    Inventors: Matthew Robert Wrona, Qin Xu