Patents by Inventor Nan Ma

Nan Ma 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: 20240134516
    Abstract: A system including a user interface that includes a processor in communication with a display and an input interface, the processor programmed to output on the display the user interface including a keyboard layout, wherein the keyboard layout includes at least a keyboard includes a collection of characters, in response to a first input from the input interface, output a first portion of the keyboard layout associated with a first subset of characters of the keyboard layout, wherein the first subset does not include all of the characters, in response to a second input from the input interface, select a second subset of characters, wherein the second subset of characters is from and include less characters than the first subset of characters and the second subset includes two or more characters, and output a character on a text field associated with the user interface based on the selection of the second subset.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 25, 2024
    Inventors: Jiajing GUO, Nan TIAN, Zhengyu ZHOU, William MA, Nicholas FEFFER, Marcellino GEMELLI
  • Publication number: 20240134505
    Abstract: A virtual reality apparatus that includes a display configured to output information related to a user interface of the virtual reality device, a microphone configured to receive one or more spoken word commands from a user upon activation of a voice recognition session, an eye gaze sensor configured to track eye movement of the user, and a processor programmed to, in response to a first input, output one or more words of a text field, in response to an eye gaze of the user exceeding a threshold time, emphasize a group of one or more words of the text field, toggle through a plurality of words of only the group utilizing the input interface, in response to a second input, highlight and edit an edited word from the group, and in response to utilizing contextual information associated with the group a language model, outputting one or more suggested words.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 25, 2024
    Inventors: Zhengyu ZHOU, Jiajing GUO, Nan TIAN, Nicholas FEFFER, William MA
  • Patent number: 11952869
    Abstract: A high-efficiency yield-increasing exploitation method for natural gas hydrates includes steps of drilling of natural gas hydrate reservoirs along horizontal wells, seepage increasing by fracturing for fracture forming and stability improvement by grouting in the natural gas hydrate reservoirs, and yield improvement by combined exploitation of depressurization of the horizontal wells and heat injection; according to the present invention, drilling time is shortened by rapid drilling along the horizontal wells, the permeability of the reservoirs can be effectively improved by fracturing for fracture forming, the stability of the reservoirs can be improved by injecting foam cement slurry into the reservoirs, and the yield of the natural gas hydrates can be improved by the combined exploitation method of depressurization of the horizontal wells and heat injection.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: April 9, 2024
    Assignees: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), SHANDONG PENGBO SAFETY AND ENVIRONMENTAL PROTECTION SERVICE CO., LTD.
    Inventors: Jianbo Zhang, Zhiyuan Wang, Yuting Wang, Baojiang Sun, Jie Zhong, Jihao Pei, Nan Ma, Xueqi Liu, Junjie Hu
  • Publication number: 20240107391
    Abstract: Methods, systems, and devices for wireless communications are disclosed by the present application. A request to establish a call using a first connection may be received, the first connection using a first radio access technology to communicate with a radio access network. During execution of a procedure to establish the call, a command to handover communications from the first connection to a second connection that uses a second radio access technology to communicate with the radio access network may be received. The second connection may be established in response to the command, and a message indicating that the request to establish the call was successfully received may be transmitted over the second connection. Also, a message indicating that an alert of the call is being issued may be transmitted over the second connection.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 28, 2024
    Inventors: Nan ZHANG, Peng WU, Yuyi LI, Yong HOU, Mengling GUAN, Yan ZHANG, Yujie QIU, Jun MA, Yueming TENG, Shailesh MAHESHWARI, Gang Andy XIAO, Vishal DALMIYA, Xiaochen CHEN, Vaishakh RAO
  • Publication number: 20240093579
    Abstract: A high-efficiency yield-increasing exploitation method for natural gas hydrates includes steps of drilling of natural gas hydrate reservoirs along horizontal wells, seepage increasing by fracturing for fracture forming and stability improvement by grouting in the natural gas hydrate reservoirs, and yield improvement by combined exploitation of depressurization of the horizontal wells and heat injection; according to the present invention, drilling time is shortened by rapid drilling along the horizontal wells, the permeability of the reservoirs can be effectively improved by fracturing for fracture forming, the stability of the reservoirs can be improved by injecting by the combined exploitation method of depressurization of the horizontal wells and heat injection.
    Type: Application
    Filed: June 27, 2023
    Publication date: March 21, 2024
    Inventors: Jianbo Zhang, Zhiyuan Wang, Yuting Wang, Baojiang Sun, Jie Zhong, Jihao Pei, Nan Ma, Xueqi Liu, Junjie Hu
  • Publication number: 20240061245
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 22, 2024
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A. Greenhalgh, Nan Ma
  • Patent number: 11810546
    Abstract: Provided are a sample generation method and apparatus. The sample generation method comprises: acquiring a plurality of text-audio pairs, wherein each text-audio pair contains a text segment and an audio segment; calculating an audio feature of an audio segment of each of the plurality of text-audio pairs, and selecting, by means of screening and according to the audio feature, a target text-audio pair and a splicing text-audio pair corresponding to the target text-audio pair from among the plurality of text-audio pairs; splicing the target text-audio pair and the splicing text-audio pair into a text-audio pair to be tested, and testing the text-audio pair to be tested; and when the text-audio pair to be tested meets a preset test condition, writing the text-audio pair to be tested into a training database.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: November 7, 2023
    Assignee: Beijing Yuanli Weilai Science and Technology Co., Ltd.
    Inventors: Dongxiao Wang, Mingqi Yang, Nan Ma, Long Xia, Changzhen Guo
  • Publication number: 20230317052
    Abstract: Provided are a sample generation method and apparatus. The sample generation method comprises: acquiring a plurality of text-audio pairs, wherein each text-audio pair contains a text segment and an audio segment; calculating an audio feature of an audio segment of each of the plurality of text-audio pairs, and selecting, by means of screening and according to the audio feature, a target text-audio pair and a splicing text-audio pair corresponding to the target text-audio pair from among the plurality of text-audio pairs; splicing the target text-audio pair and the splicing text-audio pair into a text-audio pair to be tested, and testing the text-audio pair to be tested; and when the text-audio pair to be tested meets a preset test condition, writing the text-audio pair to be tested into a training database.
    Type: Application
    Filed: November 12, 2021
    Publication date: October 5, 2023
    Inventors: Dongxiao WANG, Mingqi YANG, Nan MA, Long XIA, Changzhen GUO
  • Patent number: 11769110
    Abstract: Systems and methods are provided herein for performing one or more actions based on kinematic data. An operator management module may obtain video input data depicting a two-dimensional representation of a subject during performance of an activity. A set of points of the subject may be identified based at least in part on a machine-learning model. A 3D representation of the subject may be generated based at least in part on the points identified. Kinematic data related to the subject may be generated utilizing the 3D representation of the subject. Any suitable number of suggested actions may be performed based at least in part on the kinematic data.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: September 26, 2023
    Assignee: Amazon Technologies, Inc.
    Inventors: Jane Margaret Bourke, Elisha Gallaudet, Cara Held, Brandon Kwok, Nan Ma, Audra Snider Merkel, Bradley John Saviello, Megan Tranter, Steven Wilson
  • Publication number: 20230160726
    Abstract: A method for predicting fluid fractions is provided. The method includes building, from pressure, temperature, a fluid speed parameter, speed of sound, and fluid fractions of a first fluid flow, a machine learning model programmed to estimate fluid fractions of a fluid flow as a function of at least one Distributed Acoustic Sensing (“DAS”) fluid flow parameter and at least one physical characteristic of the fluid flow; receiving at least one DAS fluid flow parameter and the at least one physical characteristic of a second fluid flow; and determining, using the machine learning model, fluid fractions of the second fluid flow from at least the at least one DAS fluid flow parameter for the second fluid flow and the at least one physical characteristic of the second fluid flow.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 25, 2023
    Inventors: Upendra K. Tiwari, Baishali Roy, Nan Ma, Ge Jin
  • Publication number: 20220390411
    Abstract: A carbon dioxide sensor includes: a solid electrolyte layer that is anion conductive; a reference electrode disposed on one surface of the solid electrolyte layer; and a detection electrode disposed on the other surface of the solid electrolyte layer. The detection electrode is made of a mixture containing: (a) one or more metals selected from the group consisting of Au, Ag, Pt, Pd, Rh, Ru, Os, and Ir; (b) a cation conductive carbonate; and (c) an oxide containing Li and at least one of Ce and Sm. The solid electrolyte layer is preferably oxide ion conductive, and the cation conductive carbonate is preferably lithium ion conductive.
    Type: Application
    Filed: December 17, 2020
    Publication date: December 8, 2022
    Inventors: Kohei KATO, Shingo IDE, Kengo SHIMANOE, Ken WATANABE, Koichi SUEMATSU, Nan MA
  • Patent number: 11520147
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: December 6, 2022
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A Greenhalgh, Nan Ma
  • Patent number: 11513356
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: November 29, 2022
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A. Greenhalgh, Nan Ma
  • Publication number: 20220197037
    Abstract: A laser scanning projection system for use in illuminating a waveguide of an augmented reality or virtual reality headset is disclosed. The laser scanning projection system comprises a laser source configured to emit light towards a pair of polarising beam splitters. The polarising beam splitters direct light onto a plurality of mirrors through a plurality of quarter waveplates. The laser scanning projection system further comprises a waveguide having an input configured to receive the light such that the exit pupil formed at the laser scanner is relayed into the waveguide.
    Type: Application
    Filed: May 21, 2020
    Publication date: June 23, 2022
    Inventors: Brennon Pennell, James Leighton, Nan Ma
  • Publication number: 20210157152
    Abstract: An optical device includes a range of angularly selective reflectors are contained within an optical waveguide substrate and substantially optimized according to their reflector order within the sequence of reflectors. This configuration of reflectors ensures that the required angular information is passed through to the correct reflector within the sequence. The angular response in addition reduces or eliminates formation of secondary images carried to successive reflectors, resulting in undesired artefacts.
    Type: Application
    Filed: February 4, 2021
    Publication date: May 27, 2021
    Applicant: RPX CORPORATION
    Inventors: James Leighton, Brennon Pennell, Adrian Stannard, Louahab Noui, Nan Ma, Iain Wellington, Philip Greenhalgh, Lawrence Hoar, Iain Wright
  • Patent number: 10962786
    Abstract: An optical device includes a range of angularly selective reflectors are contained within an optical waveguide substrate and substantially optimized according to their reflector order within the sequence of reflectors. This configuration of reflectors ensures that the required angular information is passed through to the correct reflector within the sequence. The angular response in addition reduces or eliminates formation of secondary images carried to successive reflectors, resulting in undesired artefacts.
    Type: Grant
    Filed: October 19, 2019
    Date of Patent: March 30, 2021
    Assignee: RPX CORPORATION
    Inventors: James Leighton, Brennon Pennell, Adrian Stannard, Louahab Noui, Nan Ma, Iain Wellington, Philip Greenhalgh, Lawrence Hoar, Iain Wright
  • Publication number: 20200278553
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Applicant: DAQRI LLC
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A. Greenhalgh, Nan Ma
  • Publication number: 20200233218
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 23, 2020
    Applicant: DAQRI LLC
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A Greenhalgh, Nan Ma
  • Patent number: 10649209
    Abstract: Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 12, 2020
    Assignee: DAQRI LLC
    Inventors: James Leighton, Iain Wellington, Adrian Stannard, Philip A Greenhalgh, Nan Ma
  • Publication number: 20200145153
    Abstract: An interaction method is presented for interference coordination information between base stations, a method for mitigating cross-link interference between base stations, and a base station using abovementioned methods. The interaction method for interference coordination information between base stations comprises: determining a predetermined beam setup of a base station; establishing a beam index indicating each beam in the predetermined beam setup and its corresponding status; and transmitting the beam index to other base stations. The method for mitigating cross-link interference between base stations comprises: receiving beam-associated interference coordination information from other base stations; determining, based on the interference coordination information, beam-associated interference status information; and adjusting, based on the interference status information, a power and/or a modulation coding scheme of each beam.
    Type: Application
    Filed: May 3, 2018
    Publication date: May 7, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Nan MA, Zhi ZHANG, Tian TANG, Qixiang TANG, Wenbing LIAO, Zhibin HUO, Wei CAO, Shaozhen GUO, Xiaolin HOU, Lan CHEN