Patents by Inventor Peng Yin

Peng Yin 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).

  • Patent number: 11753696
    Abstract: A method for controlling deformation of a large-scale crankshaft comprising detecting and recording stress value(s) of part(s) to be regulated by the crankshaft; fixing the crankshaft on a tool to couple transmitting ends of high-energy acoustic beam transducers with the part(s) to be regulated; turning on the high-energy acoustic beam transducers to emit high-energy acoustic beams into the crankshaft, controlling working frequencies of the high-energy acoustic beam transducers within a range of 10-30 kHz, and setting a predicted regulation and control time according to the stress value(s) of the part(s) to be regulated; and closing the high-energy acoustic beam transducers when the predicted regulation and control time is reached, and taking the crankshaft out of the tool.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: September 12, 2023
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Chunguang Xu, Yuren Lu, Peng Yin, Peilu Li, Dezhi Li, Shuangyi Li, Wenyuan Song, Zhaowei Miao
  • Patent number: 11745396
    Abstract: The present application relates to the technical field of the research on energetic composite materials, and in particular to a device and a method for controlling transverse and longitudinal stress waves during the curing process of energetic composite materials. The device for controlling transverse and longitudinal stress waves comprises a curing vessel containing an energetic composite materials to be cured; a vertical exciter that is vertically incident to the curing vessel; and a plurality of oblique exciters which are arranged around the vertical exciter and obliquely incident to the curing vessel, wherein the oblique exciters have inclination angles between a first critical angle and a second critical angle. By means of incident transverse and longitudinal waves, the internal radial residual stress and the internal axial residual stress are reduced and homogenized, so as to improve stability and mechanical property of the energetic composite materials during curing.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: September 5, 2023
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Chunguang Xu, Peng Yin, Yuren Lu, Jianfeng Song, Wenyuan Song, Shuangyi Li
  • Publication number: 20230276074
    Abstract: Methods and apparatus are provided for improved entropy encoding and decoding. An apparatus includes a video encoder (200) for encoding at least a block in a picture by transforming a residue of the block to obtain transform coefficients, quantizing the transform coefficients to obtain quantized transform coefficients, and entropy coding the quantized transform coefficients. The quantized transform coefficients are encoded using a flag to indicate that a current one of the quantized transform coefficients being processed is a last non-zero coefficient for the block having a value greater than or equal to a specified value.
    Type: Application
    Filed: May 3, 2023
    Publication date: August 31, 2023
    Inventors: Yang HU, Joel SOLE, Xiaoan LU, Peng YIN, Yunfei ZHENG
  • Publication number: 20230261672
    Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 17, 2023
    Inventors: Xiaoan Lu, Joel SOLE, Peng YIN, Qian XU, Yunfei ZHENG
  • Patent number: 11729400
    Abstract: Sample data and metadata related to spatial regions in images may be received from a coded video signal. It is determined whether specific spatial regions in the images correspond to a specific region of luminance levels. In response to determining the specific spatial regions correspond to the specific region of luminance levels, signal processing and video compression operations are performed on sets of samples in the specific spatial regions. The signal processing and video compression operations are at least partially dependent on the specific region of luminance levels.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 15, 2023
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Peng Yin, Guan-Ming Su, Taoran Lu, Tao Chen, Walter J. Husak
  • Patent number: 11722669
    Abstract: Methods and apparatus are provided for determining quantization parameter predictors from a plurality of neighboring quantization parameters. An apparatus includes an encoder for encoding image data for at least a portion of a picture using a quantization parameter predictor for a current quantization parameter to be applied to the image data. The quantization parameter predictor is determined using multiple quantization parameters from previously coded neighboring portions. A difference between the current quantization parameter and the quantization parameter predictor is encoded for signaling to a corresponding decoder.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: August 8, 2023
    Assignee: INTERDIGITAL VC HOLDINGS, INC.
    Inventors: Xiaoan Lu, Joel Sole, Peng Yin, Qian Xu, Yunfei Zheng
  • Publication number: 20230234046
    Abstract: A device for performing an assay comprises a tube, a cap, an insert, and a reaction container. The tube includes a lateral flow strip disposed therein. The cap is coupled to the tube and includes a hollow interior defined at least partially therethrough. The insert is configured to be at least partially received within the hollow interior of the cap. The reaction container includes a cavity configured to store one or more fluids therein, and is rotatably coupled to the cap such that rotation of the cap relative to the reaction container causes (i) mixing of the one or more fluids and (ii) at least a portion of the mixed fluids to be delivered from the reaction container to the lateral flow strip via the insert.
    Type: Application
    Filed: June 24, 2021
    Publication date: July 27, 2023
    Inventors: Thomas E. Schaus, Nikhil Gopalkrishnan, Peng Yin
  • Patent number: 11708619
    Abstract: The present disclosure relates to a method for reducing and homogenizing residual stress of a component, which comprises: detecting stress value(s) of regulation portion(s) of the component; placing the component in a container containing a fluid medium so as to immerse the component in the fluid medium; emitting, by an acoustic wave generator, an elastic wave to the fluid medium in a manner of emitting towards the regulation portion(s) of the component, and determining an emitting period of time and a frequency of the elastic wave based on the stress value(s); returning to the step S1 when the emitting period of time has elapsed, until the stress value(s) is stable. The method and the device solve the problems that it is difficult to reduce and homogenize the residual stress on high-precision machined components, complex structural components, thin-walled structural components, and low-stiffness components.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: July 25, 2023
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Chunguang Xu, Peng Yin, Yuren Lu, Jianfeng Song, Peilu Li, Dezhi Li, Zhaowei Miao
  • Publication number: 20230226226
    Abstract: A multi-signal fluorescent probe, represented by: A method for preparing the multi-signal fluorescent probe includes: (a) adding 2-methoxyphenothiazine and ethyl iodide into a mixture of dichloromethane (DCM) and acetonitrile followed by a first reaction and a first post-treatment to obtain 10-ethyl-2-methoxy-10H-phenothiazine; (b) adding boron tribromide into the 10-ethyl-2-methoxy-10H-phenothiazine under an inert gas followed by a second reaction under an ice bath and a second post-treatment to obtain 10-ethyl-10H-phenothiazin-2-ol; and (c) mixing the 10-ethyl-10H-phenothiazin-2-ol, malonic acid, zinc chloride and phosphorus oxychloride followed by a third reaction and a third post-treatment to obtain the multi-signal fluorescent probe. A use of the multi-signal fluorescent probe in the detection of intracellular ONOO- and Na2S2 is also provided.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Huijun ZHOU, Zhenyang LIU, Pan CHEN, Xiaming ZHANG, Peng YIN, Ting LI
  • Publication number: 20230203567
    Abstract: The technology described herein is directed to methods, kits, compositions, devices, and systems for detecting a target nucleic acid, such as a viral RNA. In one aspect, described herein are methods of detecting the target nucleic acid. In other aspects, described herein are compositions, kits, devices, and systems suitable to practice the methods described herein to detect the target nucleic acid.
    Type: Application
    Filed: April 21, 2021
    Publication date: June 29, 2023
    Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Youngeun KIM, Jocelyn Yoshiko KISHI, Thomas E. SCHAUS, Adam YASEEN, Peng YIN, Sinem K. SAKA, Kuanwei SHENG, Nikhil GOPALKRISHNAN, Jiyoun JEONG
  • Publication number: 20230199224
    Abstract: Methods, systems, and bitstream syntax are described for constrained processing in video coding. Using one or more syntax elements and either explicit or implicit signaling, an encoder may signal to compliant decoders that certain features of the main profile, such as subpictures and multi-layered scalable coding, are disabled.
    Type: Application
    Filed: April 21, 2021
    Publication date: June 22, 2023
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Sean Thomas McCarthy, Peng Yin, Walter J. Husak
  • Patent number: 11680304
    Abstract: A method for reducing and homogenizing residual stress of a metal frame based on elastic acoustic waves that includes determining an injection scheme of elastic acoustic waves based on residual stress distribution and material characteristics of a metal frame, where the injection scheme comprises at least one of the number of injection directions and corresponding injection direction(s), an excitation scheme and working parameters of the elastic acoustic waves; placing the metal frame in a substrate and fixing the inner and outer frames of the metal frame; assembling an excitation device for the elastic acoustic waves based on the determined excitation scheme of the elastic acoustic waves; injecting the acoustic waves into the metal frame from at least one direction; and performing the reduction and homogenization for multiple rounds if the reduction and homogenization of the residual stress of the metal frame in a single round does not meet the requirement.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: June 20, 2023
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Chunguang Xu, Wenyuan Song, Peilu Li, Yuren Lu, Peng Yin, Shuangyi Li
  • Patent number: 11680857
    Abstract: An ultrasonic test device and test method for service stress of a moving mechanical component, where the device comprises an ultrasonic probe, a coupling fluid, a pressure-maintaining cover and universal wheels. The cover is vertically arranged above an inspected position of an inspected component, an interior of the pressure-maintaining cover is filled with coupling fluid, a bottom of the cover is provided with a structure permeable to the coupling fluid to form a coupling fluid film between the inspected position and the bottom of the cover, and a top of the cover is equipped with the ultrasonic probe. A detection part at a lower part of the ultrasonic probe extends into the coupling fluid of the cover and is vertical to the bottom of the cover without contact. The distance between the ultrasonic probe and the inspected component is kept unchanged through the universal wheels.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: June 20, 2023
    Assignee: BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Chunguang Xu, Shuangyi Li, Yuren Lu, Peng Yin, Dezhi Li, Wenyuan Song
  • Patent number: 11680858
    Abstract: A device and a method for ultrasonic detecting a rotating member based on magnetic fluid coupling, wherein the device comprises an ultrasonic probe, magnetic field protection rings, magnetic fluid and a magnetic fluid protection cover. The ultrasonic probe is arranged above the rotating member that is horizontally placed. Front ends of a transmitting ultrasonic transducer and a receiving ultrasonic transducer of the ultrasonic probe are provided with the magnetic field protection rings for generating magnetic fields in the magnetic field protection rings. The protective cover is sleeved on a circumferential outer side of the rotating member where a detected position is located, and the front ends of the ultrasonic probe are arranged to penetrate through the magnetic fluid protective cover. A cavity formed between the magnetic fluid protective cover and the rotating member is filled with the magnetic fluid and the magnetic fluid is a liquid mixture solution.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: June 20, 2023
    Inventors: Chunguang Xu, Shuangyi Li, Yuren Lu, Peng Yin, Dezhi Li, Wenyuan Song
  • Patent number: 11677983
    Abstract: Methods and apparatus are provided for improved entropy encoding and decoding. An apparatus includes a video encoder (200) for encoding at least a block in a picture by transforming a residue of the block to obtain transform coefficients, quantizing the transform coefficients to obtain quantized transform coefficients, and entropy coding the quantized transform coefficients. The quantized transform coefficients are encoded using a flag to indicate that a current one of the quantized transform coefficients being processed is a last non-zero coefficient for the block having a value greater than or equal to a specified value.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: June 13, 2023
    Assignee: INTERDIGITAL VC HOLDINGS, INC.
    Inventors: Yang Hu, Joel Sole, Xiaoan Lu, Peng Yin, Yunfei Zheng
  • Publication number: 20230179780
    Abstract: Methods and apparatus are provided for encoding and decoding binary sets using adaptive tree selection. In one exemplary encoding method embodiment, picture data is encoded for a block in a picture; in which one of a plurality of trees structures is selected to code a binary set of data for indicating coefficient significance for the block. In another exemplary encoding method embodiment, picture data is encoded for a block in a picture, in which one or more trees are used to encode a binary set of data for indicating coefficient significance for the block, the one or more trees each having a plurality of nodes, at least one of the nodes of the one or more trees being modified responsive to at least one parameter.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 8, 2023
    Inventors: Joel SOLE, Peng YIN, Yunfei ZHENG, Xiaoan LU, Qian XU
  • Patent number: 11671112
    Abstract: Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: June 6, 2023
    Assignee: INTERDIGITAL MADISON PATENT HOLDINGS, SAS
    Inventors: Xiaoan Lu, Joel Sole, Peng Yin, Qian Xu, Yunfei Zheng
  • Publication number: 20230171434
    Abstract: Methods are described to communicate source color volume information in a coded bitstream using SEI messaging. Such data include at least the minimum, maximum, and average luminance values in the source data plus optional data that may include the color volume x and y chromaticity coordinates for the input color primaries (e.g., red, green, and blue) of the source data, and the color x and y chromaticity coordinates for the color primaries corresponding to the minimum, average, and maximum luminance values in the source data. Messaging data signaling an active region in each picture may also be included.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 1, 2023
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Tao CHEN, Peng YIN, Taoran LU, Walter J. HUSAK
  • Publication number: 20230171417
    Abstract: Methods and systems for frame rate scalability are described. Support is provided for input and output video sequences with variable frame rate and variable shutter angle across scenes, or for input video sequences with fixed input frame rate and input shutter angle, but allowing a decoder to generate a video output at a different output frame rate and shutter angle than the corresponding input values. Techniques allowing a decoder to decode more computationally-efficiently a specific backward compatible target frame rate and shutter angle among those allowed are also presented.
    Type: Application
    Filed: January 12, 2023
    Publication date: June 1, 2023
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Robin Atkins, Peng YIN, Taoran LU, Fangjun PU, Sean Thomas MCCARTHY, Walter J. HUSAK, Tao CHEN, Guan-Ming SU
  • Publication number: 20230159996
    Abstract: Provided herein, in some embodiments, are methods and compositions for highly multiplexed in situ signal amplification via hairpin-mediated concatemerization.
    Type: Application
    Filed: October 5, 2022
    Publication date: May 25, 2023
    Applicant: President and Fellows of Harvard College
    Inventors: Jocelyn Yoshiko Kishi, Brian Beliveau, Peng Yin, Yu Wang, Sinem K. Saka