Patents by Inventor Wei Ren

Wei Ren 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: 20180234273
    Abstract: Systems and methods for creating and using a first and second group of training sequences in a training-aided single-carrier frequency domain equalization system. The first group of training sequences are conventional training sequences and the second group of training sequences are 90°-rotated versions of the first group of training sequences.
    Type: Application
    Filed: February 10, 2017
    Publication date: August 16, 2018
    Inventors: Qing Guo, Wei-Ren Peng, Yan Cui, Yu Sheng Bai
  • Patent number: 10038003
    Abstract: A single-poly nonvolatile memory cell includes an SOI substrate having a semiconductor layer, a first OD region and a second OD region on the semiconductor layer, an isolation region separating the first OD region from the second OD region, a PMOS select transistor disposed on the first OD region, and a PMOS floating gate transistor disposed on the first OD region. The PMOS floating gate transistor is serially connected to the PMOS select transistor. The PMOS floating gate transistor comprises a floating gate overlying the first OD region. A floating gate extension is continuously extended from the floating gate to the second OD region and is capacitively coupled to the second OD region.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: July 31, 2018
    Assignee: eMemory Technology Inc.
    Inventors: Wein-Town Sun, Wei-Ren Chen, Ying-Je Chen
  • Publication number: 20180203531
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Application
    Filed: January 19, 2017
    Publication date: July 19, 2018
    Inventors: Ching-Feng TSAI, Wei-Ren LO
  • Publication number: 20180156897
    Abstract: A detection apparatus includes an emission component, a receiver, and a controller electrically connected with the emission component and the receiver. The emission component includes an emitter configured to emit a signal, a reflector disposed in proximity to the emitter and configured to reflect the signal emitted by the emitter, and a driver connected to the reflector. The controller is configured to control the driver to drive the reflector to rotate.
    Type: Application
    Filed: January 31, 2018
    Publication date: June 7, 2018
    Inventors: Jiebin XIE, Wei REN, Weisi MA, Guyue ZHOU
  • Patent number: 9951987
    Abstract: A refrigerator having a quick-freezing function includes: a main body; at least one freezing chamber disposed in the main body and comprising at least one quick-freezing chamber; a freezing evaporator disposed in the main body, and spaced apart from the at least one freezing chamber via a freezing air duct cover plate; a freezing fan corresponding to the at least one freezing chamber and a quick-freezing fan corresponding to the at least one quick-freezing chamber, and configured to blow cold air generated by the freezing evaporator into the at least one freezing chamber and the at least one quick-freezing chamber respectively; and a controller configured to control the freezing fan and the quick-freezing fan. The refrigerator can maintain the taste and nutrition of foods through quick-freezing, and prolong the fresh period of vegetables and fruits.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: April 24, 2018
    Assignees: HEFEI MIDEA REFRIGERATOR CO., LTD., HEFEI HUALING CO., LTD.
    Inventors: Wei Ren, Lingyun Li, Jian Cheng
  • Patent number: 9937150
    Abstract: The present invention relates to a method for substituting for or acting with the hyperbaric oxygen therapy to improve hypoxia, comprising the step of: administrating a phthalide compound to a subject in need thereof, wherein the phthalide compound can increase the oxygen release efficiency of blood hemoglobin (Hb) in the subject and further increase the cellular oxygenation level, and when the phthalide compound substitutes for or act with the hyperbaric oxygen therapy, the common adverse side effects of the hyperbaric oxygen therapy, such as barotrauma, decompression sickness and oxygen poisoning, are prevented. The phthalide compound is used to substitute for or act with 2,3-BPG, to modulate and decrease the oxygen affinity of hemoglobin (Hb), to increase the oxygen release efficiency of hemoglobin (Hb) to tissue cells, thereby achieving a normal cellular oxygenation level and maintaining the cellular oxygenation level in a normal range.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: April 10, 2018
    Assignee: National Sun Yat-sen University
    Inventors: Chia-Chen Wang, Wei-Ren Chen
  • Patent number: 9941828
    Abstract: The present disclosure is directed to a system and method for stabilizing sub-synchronous interaction (SSI) of a wind turbine generator connected to a power grid. More specifically, the method includes measuring an alternating-current (a-c) quantity of the power grid. Another step includes converting the a-c quantity to a d-q quantity and providing the d-q quantity to a d-q control loop within the controller. Another step includes altering, with a symmetric control component, a transfer function of the d-q control loop. The method also includes generating at least one d-q reference signal for the wind turbine generator based on the altered transfer function so as to achieve symmetric control of the generator. A further step includes generating a control signal for the generator based, at least in part, on the at least one d-q reference signal. The method also includes operating the generator based on the control signal.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: April 10, 2018
    Assignee: General Electric Company
    Inventors: Wei Ren, Einar Vaughn Larsen
  • Patent number: 9917463
    Abstract: There are provided methods, devices, and systems relating to discharging thyristor-switched capacitors. For example, there is provided a method for discharging the capacitors of a thyristor-switched capacitor (TSC) device coupled to a transmission line. The method can include determining whether an angle of a voltage on the transmission line is within one of a first threshold range and a second threshold range. Further, the method can include discharging the capacitors, when the angle is within the first threshold range, by operating the TSC device in a first discharging mode. Furthermore, the method can include discharging the capacitors, when the angle is within the second threshold range, by operating the TSC device in a second discharging mode distinct from the first discharging mode.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: March 13, 2018
    Assignee: General Electric Company
    Inventors: Wei Ren, Einar Larsen
  • Publication number: 20180061647
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Application
    Filed: October 25, 2017
    Publication date: March 1, 2018
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Patent number: 9899233
    Abstract: The present invention discloses a manufacturing method to reduce the surface roughness of the low temperature poly-silicon, including: a surface pretreatment is performed to a substrate with a a-Si layer on it, to form an oxidation layer on the a-Si layer. A first excimer laser annealing is performed on the substrate to make the a-Si layer into a poly-silicon layer; an acid liquid clean is used on the poly-silicon layer to remove the protrusions on the poly-silicon layer; a second excimer laser annealing is performed to the poly-silicon layer to obtain a low temperature poly-silicon layer with lower surface roughness. The manufacturing method is easy to operation and reduce the surface roughness of the low temperature poly-silicon layer with efficiency to obtain a low temperature poly-silicon layer with low roughness, uniform surface and well crystallization. A low temperature poly-silicon layer formed according to the present invention is also provided.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: February 20, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Wei Ren
  • Patent number: 9892928
    Abstract: A NVM cell structure includes a semiconductor substrate having a first conductivity type, a first well region having a second conductivity type, a floating gate transistor and an erase gate region. The first well region is disposed on a first OD region of the semiconductor substrate. The erase gate region disposed on a second OD region of the semiconductor substrate includes a first doped region and at least one second doped region having the second conductivity type. The first doped region is disposed in semiconductor substrate and covers the second OD region, and the second doped region is disposed in the first doped region. The first doped region encompasses the second doped region, and a doping concentration of the second doped region is larger than a doping concentration of the first doped region.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: February 13, 2018
    Assignee: eMemory Technology Inc.
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wen-Hao Lee
  • Publication number: 20180041154
    Abstract: The present disclosure is directed to a system and method for controlling an electrical power system connected to a power grid. The method includes determining, via a negative sequence regulator programmed in a controller of the electrical power system, a negative sequence component of at least one electrical condition of the electrical power system. Further, the method includes determining a desired current response based on the negative sequence component of the at least one electrical condition of the electrical power system. Thus, the method also includes determining a control command for the power converter as a function of the desired current response so as to achieve a desired relationship between a voltage condition in the power grid and the negative sequence component of the electrical condition of the electrical power system.
    Type: Application
    Filed: August 8, 2016
    Publication date: February 8, 2018
    Inventors: Einar Vaughn Larsen, Wei Ren, Dustin Howard, Alfredo Sebastian Achilles
  • Publication number: 20180019252
    Abstract: A nonvolatile memory cell includes a semiconductor substrate, a first OD region, a second OD region for forming an erase gate region, and a trench isolation region separating the first OD region from the second OD region. A select transistor is disposed on the first OD region. A floating gate transistor is serially connected to the select transistor and is disposed on the first OD region. The floating gate transistor comprises a floating gate overlying the first OD region. A floating gate extension continuously extends from the floating gate to the second OD region. A shallow junction diffusion region is situated directly under the floating gate extension within the second OD region.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 18, 2018
    Inventors: Chun-Hsiao Li, Wei-Ren Chen, Wein-Town Sun
  • Patent number: 9871394
    Abstract: There are provided methods, devices, and systems relating to discharging thyristor-switched capacitors. For example, there is provided a method for discharging the capacitors of a thyristor-switched capacitor (TSC) device coupled to a transmission line. The method includes determining whether an angle of a voltage on the transmission line is within a threshold angle. Further, the method can include operating the device in a discharging mode when the angle is within the threshold angle and the threshold angle is in a predetermined set of threshold angles.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: January 16, 2018
    Assignee: General Electric Company
    Inventors: Wei Ren, Einar Larsen
  • Patent number: 9853475
    Abstract: There are provided methods, devices, and systems relating to discharging thyristor-switched capacitors. For example, there is provided a method for discharging a first capacitor, a second capacitor, and a third capacitor. Each of the capacitors is coupled to respective phases of a transmission line. The first capacitor and the third capacitor are each coupled to their respective phase of the transmission line via a pair of anti-parallel thyristors, and the second capacitor is coupled directly to another phase of the transmission line with no thyristors therebetween. The method can include determining whether an angle of a voltage on the transmission line is within a threshold angle. Further, the method can include discharging the first, second, and third capacitors when the angle is within a threshold angle and the threshold angle is any value from a predetermined set of threshold angles.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: December 26, 2017
    Assignee: General Electric Company
    Inventors: Wei Ren, Einar Larsen
  • Publication number: 20170366564
    Abstract: When a security authentication request sent by a terminal is received, an identity authentication solution includes acquiring network environment information and user behavior data according to the security authentication request, then determining, according to the network environment information and the user behavior data, whether a current operation is a machine attack, and acquiring a CAPTCHA of a predetermined type according to a predetermined policy and delivering the CAPTCHA to the terminal if the current operation is a machine attack, to perform identity authentication, or determining that security authentication succeeds if the current operation is not a machine attack.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Tang Yan Ping, Zhang Yan Ling, Wang Yu Ye, Goug Ling, Huang Jia Qi, Wei Ren Jia
  • Publication number: 20170356999
    Abstract: A system for detecting objects using ultrasonic waves and methods for making and using the same are provided. The object detection system uniquely encodes each of a plurality of ultrasonic waves and transmit each of the uniquely-encoded ultrasonic waves in a respective direction. The object detection system then receives any of the emitted uniquely-encoded ultrasonic waves that are reflected from an object. By decoding the reflected ultrasonic waves, the object detection system distinguishes among the uniquely-encoded ultrasonic waves and detect the existence and location of the object.
    Type: Application
    Filed: August 1, 2017
    Publication date: December 14, 2017
    Inventors: Jiebin XIE, Wei REN, Guyue ZHOU
  • Patent number: 9843788
    Abstract: RGB-D imaging system having an ultrasonic array fin generating images that include depth data, and methods fin manufacturing and using same. The RGB-D imaging system includes an ultrasonic sensor array positioned on a housing that includes an ultrasonic emitter and a plurality of ultrasonic sensors. The RGB-D imaging system also includes an RGB camera assembly positioned on the housing in a parallel plane with, and operably connected to, the ultrasonic sensor. The RGB-D imaging system thereby provides/enables improved imaging in a wide variety of lighting conditions compared to conventional systems.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: December 12, 2017
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Jiebin Xie, Wei Ren, Guyue Zhou
  • Patent number: 9819423
    Abstract: An apparatus comprising a receiver configured to receive a super-symbol comprising a first modulation symbol and a second modulation symbol, wherein the first modulation symbol comprises a first modulation format, and wherein the second modulation symbol comprises a second modulation format, and a processor coupled to the receiver and configured to select, for the first modulation symbol, a first nearest candidate symbol from a first set of candidate symbols associated with the first modulation format, select, for the second modulation symbol, a second nearest candidate symbol independent of the first nearest candidate symbol from a second set of candidate symbols associated with the second modulation format, and determine a soft decision value for a first hit in the super-symbol according to the first nearest candidate symbol and the second nearest candidate symbol.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: November 14, 2017
    Assignee: Futurewei Technologies, Inc.
    Inventors: Clarence Kan, Wei-Ren Peng, Yan Cui
  • Patent number: D820264
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: June 12, 2018
    Assignee: MIEZO INC.
    Inventors: Wei-Ren Lai, Wei-Hsun Wang, Chao-Ting Wu, Yuan-Ping Liu, Kai-Wen Cheng, Chiao-Yu Hsiao