Patents by Inventor Feng Cao

Feng Cao 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: 20210138884
    Abstract: A locking device for a carriage cover includes a limit locking clamp assembly and a lock catch assembly, wherein the limit locking clamp assembly is detachably disposed at the carriage of the vehicle body and is provided with a limit step and a limit protrusion disposed at the lower surface of the limit step; and the lock catch assembly is disposed at the carriage cover and is provided with a lock bolt and a limit groove formed in the lock bolt, the lock bolt is clamped into the limit step, and the limit protrusion is clamped into the limit groove to connect the lock catch assembly to the limit locking clamp assembly, so that the carriage cover is mounted on the carriage. The carriage cover is reliably connected to the vehicle body and is not prone to getting loose or moving.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 13, 2021
    Inventors: Jinqin FU, Shaoyong ZHENG, Feng WANG, Chenshan LIN, Peng CAO, Xue'e WANG, Xiaohong TANG
  • Patent number: 11004564
    Abstract: A computer implemented method for processing a plurality of medical indication conditions on a computer that includes a processor communicatively coupled to a memory includes obtaining a plurality of predetermined indication conditions which relate to a plurality of parameters, and forming a plurality of conditional segments based on respective values of the plurality of parameters defined in the plurality of predetermined indication conditions. Each conditional segment of the plurality of conditional segments corresponds to a combination of different value ranges of respective parameters of the plurality of parameters. The plurality of predetermined indication conditions includes a measurement item, a reference standard, a time period, a measurement condition, and a measurement manner.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: May 11, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Feng Cao, Xiang Li, Jing Mei, Yuan Ni, Weijia Shen, Wen Sun
  • Patent number: 10989691
    Abstract: Embodiments relate generally to an ultraviolet lamp (100) for use with a photoionization detector comprising a sealed tube (102) configured to contain at least one gas; a coating (120) applied to the inner surface (110) of the sealed tube (102); and a crystal window (112) attached to the sealed tube (102), configured to allow transmittance of ultraviolet (UV) light generated within the sealed tube (102).
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: April 27, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Aimin Su, Zhongxing Cao, Bing Chen, Feng Liang
  • Publication number: 20210118004
    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for personalizing offers are provided. One of the methods includes: collecting response data comprising one or more offers made to each of a plurality of users of a platform and one or more corresponding responses, wherein the one or more offers are from a group of offer choices; creating a training dataset comprising the collected response data and one or more features associated with each of the plurality of users; training a machine learning model using the training dataset, wherein the trained machine learning model is configured to predict the plurality of users' responses to future offers; obtaining a plurality of projected profits for the platform using the trained machine learning model, wherein each of the plurality of projected profits corresponds to making one of the group of the predetermined offers to one of the plurality of users.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Feng QI, Jia YAN, Zhigang HUA, Dingxiang HU, Yingping CAO, Shuang YANG
  • Publication number: 20210119965
    Abstract: Embodiments of this application provide an address management method and apparatus, and relate to the communications field. The method includes: assigning, by a DHCP server, an IP address to a client; detecting, within a lease term, whether the client is online; and reclaiming, after detecting that the client is offline, the IP address assigned to the client.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 22, 2021
    Inventors: Jinhua Meng, Feng Cao, Yeyi Ji
  • Publication number: 20200400616
    Abstract: Methods, apparatuses, and systems for detecting internal defects of a protective headgear are provided. An example apparatus may include a protective headgear, an actuator element integrated within the protective headgear, a sensor element integrated within the protective headgear, and a processor element electronically coupled to the actuator element and the sensor element. In some examples, the processor element is configured to cause the actuator element to generate a first ultrasonic wave, wherein the first ultrasonic wave is propagated in the protective headgear, and receive a first output from the sensor element in response to the first ultrasonic wave.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 24, 2020
    Inventors: Lei JIANG, Wei SUN, Junyan XU, Zhixiong HOU, Feng CAO
  • Publication number: 20200380715
    Abstract: A method of detecting an end of an aisle of shelf modules in an imaging controller of a mobile automation apparatus, includes: obtaining image data captured by an image sensor and a plurality of depth measurements captured by a depth sensor, the image data and the depth measurements corresponding to an area containing a portion of the aisle of shelf modules; obtaining locomotive data of the apparatus; generating a dynamic trust region based on the locomotive data; detecting an edge segment based on the image data and the plurality of depth measurements, the edge segment representing an edge of a support surface; and when the edge segment is located at least partially in the dynamic trust region, updating an estimated end of the aisle based on the detected edge segment.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 3, 2020
    Inventors: Tze Fung Christopher Chan, Feng Cao, Mehdi Mazaheri Tehrani, Mahyar Vajedi
  • Publication number: 20200380694
    Abstract: A method of detecting an edge of a support surface in an imaging controller includes: obtaining image data captured by an image sensor and a plurality of depth measurements captured by a depth sensor, the image data and the plurality of depth measurements corresponding to an area containing the support surface; detecting preliminary edges in the image data; applying a Hough transform to the preliminary edges to determine Hough lines representing candidate edges of the support surface; segmenting the plurality of depth measurements to assign classes to each pixel, each class defined by one of a plurality of seed pixels, wherein the plurality of seed pixels are identified from the depth measurements based on the Hough lines; and detecting the edge of the support surface by selecting a class of pixels and applying a line-fitting model to the selected class to obtain an estimated edge of the support surface.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 3, 2020
    Inventors: Tze Fung Christopher Chan, Feng Cao, Mehdi Mazaheri Tehrani, Mahyar Vajedi
  • Publication number: 20200379480
    Abstract: A method in a navigational controller includes: controlling a ceiling-facing camera of a mobile automation apparatus to capture a stream of images of a facility ceiling; activating a primary localization mode including: (i) detecting primary features in the captured image stream; and (ii) updating, based on the primary features, an estimated pose of the mobile automation apparatus and a confidence level corresponding to the estimated pose; determining whether the confidence level exceeds a confidence threshold; when the confidence level does not exceed the threshold, switching to a secondary localization mode including: (i) detecting secondary features in the captured image stream; (ii) updating the estimated pose and the confidence level based on the secondary features; and (iii) searching the image stream for the primary features; and responsive to detecting the primary features in the image stream, re-activating the primary localization mode.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 3, 2020
    Inventors: Mehdi Mazaheri Tehrani, Mahyar Vajedi, Feng Cao, Tze Fung Christopher Chan
  • Patent number: 10762439
    Abstract: Embedding representation for a document is generated based on clustering words in the document. Representative clusters are selected and a weighted sum of the embeddings of the words in the selected clusters is determined as a document embedding. Documents are labeled based on document embeddings. A machine learning algorithm is trained using the documents. The machine learning algorithm predicts a label of a given document based on the given document's document embedding.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: September 1, 2020
    Assignee: International Business Machines Corporation
    Inventors: Feng Cao, Boliang Chen, Zheng Yu
  • Patent number: 10747769
    Abstract: The present invention relates to text analysis, and discloses a text representation method. Aspects include identifying concepts in the text by using a knowledge base and determining relationship between the concepts and generating a concept graph by using the relationship between the concepts. Aspects also include determining connected components of the concept graph; calculating weight of the connected components and determining the concepts representing the text according to the weight of the connected components. By using correlation between concepts in a knowledge base and according to connected component theory of a graph, finds out a set of concepts which best represents subject of the text, and removes concepts irrelevant to the subject, thus improving accuracy of text representation and reducing noise.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 18, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Feng Cao, Yuan Ni, Qiongkai Xu, Hui Jia Zhu
  • Patent number: 10731970
    Abstract: A method of detecting a support structure in a navigational controller includes: controlling a depth sensor to capture a plurality of depth measurements corresponding to an area containing the support structure on a ground plane; generating, for each of the depth measurements, a projected depth measurement on the ground plane; selecting a boundary set of the projected depth measurements defining a boundary of the projection; selecting, based on angles between adjacent pairs of the boundary set of projected depth measurements, a subset of the projected depth measurements; generating a region of interest based on the subset of the projected depth measurements; retrieving a candidate subset of the depth measurements corresponding to the projected depth measurements in the region of interest; and generating a support structure plane definition based on the candidate subset of depth measurements.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: August 4, 2020
    Assignee: Zebra Technologies Corporation
    Inventors: Feng Cao, Harsoveet Singh
  • Patent number: 10716177
    Abstract: A method of controlling light emitters of a mobile automation apparatus includes: controlling a depth sensor to capture a plurality of depth measurements corresponding to an area containing a support structure; obtaining a support structure plane definition; selecting a subset of the depth measurements; determining, based on the subset of depth measurements and the support structure plane, whether the subset of the depth measurements indicates the presence of a sensitive receptor; when the determination is affirmative, disabling the light emitters; and when the determination is negative, controlling (i) the light emitters to illuminate the support structure and (ii) a camera to capture an image of the support structure simultaneously with the illumination.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: July 14, 2020
    Assignee: Zebra Technologies Corporation
    Inventors: Feng Cao, Harsoveet Singh, Sadegh Tajeddin
  • Patent number: 10706821
    Abstract: One example includes a mission monitoring system. The system includes a data store configured to store map data associated with a geographic region of interest and a plurality of graphical elements corresponding to at least one mission asset and to mission constraints. Each of the plurality of graphical elements includes a layer assignment associated with one of a plurality of graphical layers. The system also includes a human-machine interface (HMI) configured to facilitate user inputs to selectively activate the plurality of graphical layers associated with the plurality of graphical elements and to display a graphical rendering of the selectively activated graphical layers superimposed over a graphical virtual environment of the geographic region of interest via a display system.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: July 7, 2020
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: Henry H. Fung, Wayne S. Kim, Devang R. Parekh, Louis A. Oddo, Feng Cao, Michel Azar, Benjamin J. Montgomery
  • Publication number: 20200196405
    Abstract: A method of controlling light emitters of a mobile automation apparatus includes: controlling a depth sensor to capture a plurality of depth measurements corresponding to an area containing a support structure; obtaining a support structure plane definition; selecting a subset of the depth measurements; determining, based on the subset of depth measurements and the support structure plane, whether the subset of the depth measurements indicates the presence of a sensitive receptor; when the determination is affirmative, disabling the light emitters; and when the determination is negative, controlling (i) the light emitters to illuminate the support structure and (ii) a camera to capture an image of the support structure simultaneously with the illumination.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 18, 2020
    Inventors: Feng Cao, Harsoveet Singh, Sadegh Tajeddin
  • Publication number: 20200191559
    Abstract: A method of detecting a support structure in a navigational controller includes: controlling a depth sensor to capture a plurality of depth measurements corresponding to an area containing the support structure on a ground plane; generating, for each of the depth measurements, a projected depth measurement on the ground plane; selecting a boundary set of the projected depth measurements defining a boundary of the projection; selecting, based on angles between adjacent pairs of the boundary set of projected depth measurements, a subset of the projected depth measurements; generating a region of interest based on the subset of the projected depth measurements; retrieving a candidate subset of the depth measurements corresponding to the projected depth measurements in the region of interest; and generating a support structure plane definition based on the candidate subset of depth measurements.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 18, 2020
    Inventors: Feng Cao, Harsoveet Singh
  • Publication number: 20200183408
    Abstract: A method of navigational ray casting in a computing device includes: obtaining a distance map having a plurality of cells representing respective sub-regions of an environment containing obstacles; wherein each cell defines a minimum obstacle distance indicating a distance from the corresponding sub-region to a nearest one of the obstacles; selecting an origin cell from the plurality of cells, and setting the origin cell as a current cell; selecting a ray cast direction for a ray originating from the origin cell; retrieving the minimum obstacle distance defined by the current cell; selecting a test cell at the minimum obstacle distance from the current cell in the ray cast direction; determining whether the test cell indicates the presence of one of the obstacles; and when the determination is affirmative, determining a total distance between the origin cell and the test cell.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 11, 2020
    Inventors: Sadegh Tajeddin, Harsoveet Singh, Feng Cao
  • Publication number: 20200147086
    Abstract: In one aspect, the present disclosure provides methods of treating a bacterial infection using an inhibitor of the nucleotidyltransferase superfamily enzyme. In some embodiments, the compounds have one of the following formulas (I), (II), (III), or (IV) wherein R1, R2, and R3 are as defined herein or a pharmaceutically acceptable salt thereof. The compounds may be used to treat a bacterial infection including an infection of Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species.
    Type: Application
    Filed: May 16, 2018
    Publication date: May 14, 2020
    Applicants: Saint Louis University, U.S. Department of Veterans Affairs, Research Foundation of the City University of New York
    Inventors: Feng CAO, John E. TAVIS, Maureen J. DONLIN, Marvin J. MEYERS, Ryan P. MURELLI, Cari ORTH, Bahaa ELGENDY
  • Patent number: 10628426
    Abstract: The present invention relates to text analysis, and discloses a text representation method. Aspects include identifying concepts in the text by using a knowledge base and determining relationship between the concepts and generating a concept graph by using the relationship between the concepts. Aspects also include determining connected components of the concept graph; calculating weight of the connected components and determining the concepts representing the text according to the weight of the connected components. By using correlation between concepts in a knowledge base and according to connected component theory of a graph, finds out a set of concepts which best represents subject of the text, and removes concepts irrelevant to the subject, thus improving accuracy of text representation and reducing noise.
    Type: Grant
    Filed: December 13, 2015
    Date of Patent: April 21, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Feng Cao, Yuan Ni, Qiongkai Xu, Hui Jia Zhu
  • Patent number: 10590240
    Abstract: A thermoplastic composition comprising, based on the total weight of the thermoplastic composition, 5 to 30 wt. % of a poly(arylene ether-sulfone); and 50 to 95 wt. % of a polycarbonate component comprising a poly(carbonate-siloxane) and optionally a polycarbonate homopolymer; wherein a sample of the composition has a notched Izod impact value of greater than or equal to 30 kJ/m2; a tensile yield strength retention of 80% and higher after exposure of an ISO tensile bar for 24 hours to sunscreen under 0.5% strain compared to a non-exposed reference; and an elongation at break retention of 80% and higher after exposure of an ISO tensile bar for 24 hours to sunscreen under 0.5% strain compared to a non-exposed reference.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: March 17, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Hao Zhou, Mark Adrianus Johannes van der Mee, Roland Sebastian Assink, Robert Dirk van de Grampel, Remco Wirtz, Feng Cao