Patents by Inventor Yajun ZHENG

Yajun ZHENG 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: 20250150018
    Abstract: A method and a system for controlling temperature of a motor, and a storage medium are provided. The method includes: acquiring a real-time temperature of the motor; comparing the real-time temperature with multiple preset temperature thresholds corresponding to a multi-level voltage amplitude limiting strategy; and determining the voltage amplitude limiting strategy at a level corresponding to the real-time temperature according to the comparison result and limiting input voltage of the motor with the voltage amplitude limiting strategy at the corresponding level to control the temperature of the motor. Through the multi-level temperature protection solution, when the motor reaches the corresponding temperature threshold, the corresponding limiting strategy comes into effect. Therefore, the system can maintain better performance while limiting the operating temperature for stable operation.
    Type: Application
    Filed: April 9, 2024
    Publication date: May 8, 2025
    Inventors: Xin Guo, Yajun Zheng, Shuhan Yao
  • Publication number: 20250050136
    Abstract: Disclosed are an irradiation terminal based on a combination of rotating beam lines and an application thereof, the irradiation terminal comprises a combination of rotating beam lines, a rotating gantry, and an operation room. The combination of rotating beam lines includes a rotator beam line, a horizontal beam line, and an inclined beam line at a certain angle to the ground, and can achieve irradiation at different angles; the combination of rotating beam lines is arranged on the rotating gantry, and beam allocation for a plurality of operation rooms at different azimuth angles can be implemented through rotating a single combination of beam lines by 0-360 degrees by the rotating gantry; a plurality of rotating beam lines can be combined to achieve multi-angle beam irradiation in a single operation room.
    Type: Application
    Filed: September 20, 2024
    Publication date: February 13, 2025
    Inventors: Jiancheng YANG, Yajun Zheng, Jiawen Xia, Wenlong Zhan, Zhengguo Hu, Hushan Xu, Shuang Ruan, Guodong Shen, Yaqing Yang, Lina Sheng, Qinggao Yao, Jinquan Zhang, Jie Liu, Ruliang Wang, Wei Wu, Wenjun Chen, Guimei Ma, Anhui Feng
  • Publication number: 20250020722
    Abstract: Provided are a method and apparatus for determining an individual motor parameter, an electronic device, and a storage medium. The method includes: testing a first motor parameter of a target type of a current motor in a motor assembly phase, and acquiring a motor parameter set saved in a motor manufacturing phase; calculating a difference evaluation index between the first motor parameter and a second motor parameter of the corresponding type in the motor parameter set; and determining all motor parameters in the motor parameter set to be effective individual motor parameters if the difference evaluation index is less than or equal to a preset index threshold.
    Type: Application
    Filed: January 10, 2024
    Publication date: January 16, 2025
    Inventors: Shuhan Yao, Yajun Zheng, Xiaojie Shao, Yulei Zhang
  • Publication number: 20250015745
    Abstract: Provided is a dynamic protection method and system for a linear vibration motor. The method includes S1: calculating original voltage signal according to initial gain coefficient; S2: processing the original voltage signal of each frame, and obtaining driving voltage signal; S3: loading the driving voltage signal to the linear vibration motor to drive the linear vibration motor to operate; S4: collecting acceleration signal of the linear vibration motor, and analyzing whether the acceleration signal is abnormal to determine operating state of the linear vibration motor; if yes, performing S5; and if not, performing S6; S5: adjusting current gain coefficient of current signal frame to new gain coefficient; and S6: determining whether the current signal frame is the last signal frame. With this method, voltage parameter can be automatically adjusted for the linear vibration motor to reduce abnormal noise to prolong the service life of the device.
    Type: Application
    Filed: December 29, 2023
    Publication date: January 9, 2025
    Inventors: Mengya Cao, Zengyou Meng, Yajun Zheng
  • Patent number: 12189859
    Abstract: A method for driving vibration based on micro-touch, including: acquiring, according to a given input of a touch interface, a plurality of node coordinates of a dynamic effect model corresponding to the given input and a total duration of the node coordinates; generating a dynamic effect curve according to the plurality of node coordinates and the total duration; obtaining a vibration characteristic curve from the dynamic effect curve according to a preset mapping rule; and generating a vibration driving file based on the vibration characteristic curve. The vibration driving file is configured to drive a vibrating motor to vibrate. An apparatus for driving vibration, an electronic device, and a computer-readable storage medium are also provided. The method for driving vibration based on micro-touch and the related device can achieve generation of an appropriate micro-touch interaction effect according to animation matching of application scenes, and bring better user experience.
    Type: Grant
    Filed: January 4, 2024
    Date of Patent: January 7, 2025
    Assignee: AAC Acoustic Technologies (Shanghai) Co., Ltd.
    Inventors: Yanxin Zhang, Yajun Zheng, Shiyu Pei
  • Publication number: 20240419870
    Abstract: A vibration signal modulation method includes following steps: setting a signal accelerating section parameter according to an expected vibration signal of an application object; setting a corresponding signal braking section parameter and a signal braking section parameter range, constructing a braking section initial particle parameter for a particle swarm algorithm, and performing an iterative search within the signal braking section parameter range to obtain an optimum braking parameter; and superposing a signal corresponding to the optimum braking parameter on a signal corresponding to the signal accelerating section parameter to obtain a final vibration signal. Compared with the related art, in the present disclosure, the signal accelerating section parameter is set, and a to-be-optimized particle swarm is set based on existing parameters.
    Type: Application
    Filed: January 4, 2024
    Publication date: December 19, 2024
    Inventors: Shiyu Pei, Yajun Zheng
  • Publication number: 20240408644
    Abstract: The present disclosure relates to the technical field of signal processing, and discloses a spring vibration generation method and apparatus, a device, and a storage medium. The method includes: acquiring a preset spring vibration model, and extracting a first characteristic parameter of the spring vibration model; normalizing the first characteristic parameter to generate a spring motion state curve; extracting a second characteristic parameter of the spring motion state curve, and generating a vibration characteristic curve according to the second characteristic parameter based on a preset mapping rule; and extracting a third characteristic parameter of the vibration characteristic curve, and generating a corresponding vibration file according to the third characteristic parameter and outputting the vibration file.
    Type: Application
    Filed: December 29, 2023
    Publication date: December 12, 2024
    Inventors: Yanxin Zhang, Yajun Zheng, Shuhan Yao
  • Publication number: 20240411371
    Abstract: A real-time tactile sensation generation method includes following steps: acquiring a plurality of frames of audio signals by reading an original audio frame by frame; and determining on and off states of a tactile switch: outputting, when the tactile switch is in the off state, the audio signal after high-pass filtering to the vibration-audio integrated device to achieve a separate sound effect; wherein a frequency of the high-pass filtering matches a capacitance value; and generating, when the tactile switch is in the on state, a vibration signal, fusing the audio signal of the current frame after high-pass filtering with the corresponding vibration signal, and outputting a fused signal to the vibration-audio integrated device to achieve a real-time tactile effect of combining sound and vibration. Compared with the related art, the real-time tactile sensation generation method and the related device provided in the present disclosure achieve better real-time tactile feedback experience.
    Type: Application
    Filed: January 4, 2024
    Publication date: December 12, 2024
    Inventors: Shiyu Pei, Yajun Zheng
  • Publication number: 20240402285
    Abstract: Provided are a UWB-based method and apparatus for positioning a vehicle. The method includes: receiving, by the UWB module, UWB signals sent by UWB anchors on the vehicle, and acquiring a first relative distance parameter between the intelligent key and the vehicle based on the UWB signals; determining, when the first relative distance parameter is within a first preset distance range, direction information of the vehicle based on the UWB signals; determining, when the first relative distance parameter is within a second preset distance range, relative position information between the intelligent key and the vehicle based on the UWB signals; and outputting vehicle guidance information based on the direction information of the vehicle or the relative position information. A maximum distance parameter in the second preset distance range is less than a minimum distance parameter in the first preset distance range.
    Type: Application
    Filed: December 29, 2023
    Publication date: December 5, 2024
    Inventors: Shuhan Yao, Yajun Zheng, Xiaojie Shao, Zhipeng Ye
  • Publication number: 20240406297
    Abstract: A portable device, including a frame, a button fixed relative to the frame, a connection member fixedly connecting the button to the frame, a sensor for detecting a pressing state of the button, and a vibration motor fixed below the button. The frame has a mounting hole penetrating therethrough; the frame includes an outer side surface and an inner side surface opposite to the outer side surface; the button is mounted on the outer side surface; the mounting hole penetrates through the outer side surface and the inner side surface; the vibration motor is suspended in the mounting hole; and the connection member is of a hollow ring structure and is fitted and fixed to the edge of the button. When the button vibrates, the 10 vibration is not transferred to other areas of the portable device, thereby achieving better area vibration and more realistic experience for pressing the button.
    Type: Application
    Filed: November 30, 2023
    Publication date: December 5, 2024
    Inventors: Lubin Mao, Yulei Zhang, Lijin Zhang, Yun Tang, Yajun Zheng, Jie Ma
  • Patent number: 12125371
    Abstract: Provided are a method for generating a haptic feedback signal, an electronic device, and a storage medium. The method includes: acquiring an initial haptic feedback signal; mapping an initial haptic feedback signal from a time domain to a frequency domain to obtain an initial spectrogram of the initial haptic feedback signal in the frequency domain; adjusting an amplitude value of a harmonic component of any frequency band in the initial spectrogram to obtain a target spectrogram; and mapping a signal corresponding to the target spectrogram from the frequency domain to the time domain to obtain a target haptic feedback signal. In the present application, a large number of haptic feedback signals with different haptic feedback effects may be obtained by adjusting the amplitude value of the harmonic component of any frequency band in the initial spectrogram, thereby effectively improving the richness of the haptic feedback signals.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: October 22, 2024
    Assignee: AAC Acoustic Technologies (Shanghai)Co., Ltd.
    Inventors: Zengyou Meng, Yajun Zheng, Zheng Xiang
  • Publication number: 20240338080
    Abstract: A method for driving vibration based on micro-touch, including: acquiring, according to a given input of a touch interface, a plurality of node coordinates of a dynamic effect model corresponding to the given input and a total duration of the node coordinates; generating a dynamic effect curve according to the plurality of node coordinates and the total duration; obtaining a vibration characteristic curve from the dynamic effect curve according to a preset mapping rule; and generating a vibration driving file based on the vibration characteristic curve. The vibration driving file is configured to drive a vibrating motor to vibrate. An apparatus for driving vibration, an electronic device, and a computer-readable storage medium are also provided. The method for driving vibration based on micro-touch and the related device can achieve generation of an appropriate micro-touch interaction effect according to animation matching of application scenes, and bring better user experience.
    Type: Application
    Filed: January 4, 2024
    Publication date: October 10, 2024
    Inventors: Yanxin Zhang, Yajun Zheng, Shiyu Pei
  • Publication number: 20240270742
    Abstract: The invention relates to compounds of formula (I): or a salt thereof, wherein R1, G, L1, L2, L3, and Y are as described herein. Compounds of formula (I) and pharmaceutical compositions thereof are inhibitors of one, or both of, ?v?1 integrin and ?v?6 integrin that are useful for treating fibrosis such as in nonalcoholic steatohepatitis (NASH), idiopathic pulmonary fibrosis (IPF) and nonspecific interstitial pneumonia (NSIP).
    Type: Application
    Filed: December 19, 2023
    Publication date: August 15, 2024
    Inventors: Jacob CHA, Manuel MUÑOZ, Maureen REILLY, Nicole COOPER, Katerina LEFTHERIS, David J. MORGANS, JR., Timothy HOM, Yajun ZHENG, Christopher BAILEY, Darren FINKELSTEIN
  • Publication number: 20240231497
    Abstract: A haptic feedback method, system and related device for matching split-track music to vibration are provided. The method includes: acquiring raw audio data; obtaining multiple split-track audio data by splitting the raw audio data by using a predetermined deep learning model; calculating an energy proportion corresponding to a respective split-track audio data in the raw audio data; determining a weight of the respective split-track audio data according to the energy proportion; performing weighting calculation on the multiple split-track audio data according to a predetermined weighting rule, to obtain a time-frequency spectrum; generating a matched vibration signal corresponding to the raw audio data based on the time-frequency spectrum; and outputting a haptic feedback effect according to the matched vibration signal. The audio data can be matched to vibration, and a vibration feedback that more precisely matches cadences and rhythms of the audio data can be output.
    Type: Application
    Filed: June 13, 2023
    Publication date: July 11, 2024
    Inventors: Zengyou Meng, Mengya Cao, Shiyu Pei, Yajun Zheng
  • Publication number: 20240221771
    Abstract: The method for dynamically adjusting vibration feedback with audio includes: acquiring original audio data; defining preset signal vibration thresholds, tracking instantaneous audio power envelopes of the original audio data to obtain corresponding instantaneous power features, and adaptively adjusting the preset signal vibration thresholds according to the instantaneous power features to obtain signal vibration thresholds; determining the vibration intervals for the original audio data according to the instantaneous power features and the signal vibration thresholds, and dynamically adjusting vibration signal amplitude envelopes of the original audio data to generate vibration driving signals; and outputting vibration feedback based on the vibration driving signals.
    Type: Application
    Filed: June 13, 2023
    Publication date: July 4, 2024
    Inventors: Shiyu Pei, Zengyou Meng, Mengya Cao, Yajun Zheng
  • Publication number: 20240196147
    Abstract: A method of generating a vibration feedback signal is provided and includes: generating an energy change trend curve (with a frame number as a horizontal axis and an energy change value as a vertical axis) of audio based on audio data; comparing an energy change value in the energy change trend curve with a preset energy change threshold; dividing the audio into audio segments based on a comparison result (indicating a tempo change trend of audio); matching a vibration feedback signal to the respective audio segment based on the tempo change trend; performing splicing process on all vibration feedback signals to obtain a target vibration feedback signal. The target vibration feedback signal obtained by splicing the vibration feedback signals finally matched to the audio segments conforms to the overall tempo change trend of the audio, thus effectively improving the rationality on matching between the audio and the vibration feedback signal.
    Type: Application
    Filed: June 13, 2023
    Publication date: June 13, 2024
    Inventors: Shiyu Pei, Zengyou Meng, Yajun Zheng, Mengya Cao
  • Publication number: 20240134459
    Abstract: A haptic feedback method, system and related device for matching split-track music to vibration are provided. The method includes: acquiring raw audio data; obtaining multiple split-track audio data by splitting the raw audio data by using a predetermined deep learning model; calculating an energy proportion corresponding to a respective split-track audio data in the raw audio data; determining a weight of the respective split-track audio data according to the energy proportion; performing weighting calculation on the multiple split-track audio data according to a predetermined weighting rule, to obtain a time-frequency spectrum; generating a matched vibration signal corresponding to the raw audio data based on the time-frequency spectrum; and outputting a haptic feedback effect according to the matched vibration signal. The audio data can be matched to vibration, and a vibration feedback that more precisely matches cadences and rhythms of the audio data can be output.
    Type: Application
    Filed: June 12, 2023
    Publication date: April 25, 2024
    Inventors: Zengyou Meng, Mengya Cao, Shiyu Pei, Yajun Zheng
  • Publication number: 20240124447
    Abstract: The present invention is directed to inhibitors of the interaction of menin with MLL and MLL fusion proteins, pharmaceutical compositions containing the same, and their use in the treatment of cancer and other diseases mediated by the menin-MLL interaction.
    Type: Application
    Filed: May 18, 2023
    Publication date: April 18, 2024
    Applicant: Vitae Pharmaceuticals, LLC
    Inventors: Salvacion CACATIAN, David A. CLAREMON, Chengguo DONG, Yi FAN, Lanqi JIA, Stephen D. LOTESTA, Suresh B. SINGH, Shankar VENKATRAMAN, Jing YUAN, Yajun ZHENG, Linghang ZHUANG
  • Patent number: 11952376
    Abstract: The invention relates to compounds of formula (I): or a salt thereof, wherein R1, G, L1, L2, L3, and Y are as described herein. Compounds of formula (I) and pharmaceutical compositions thereof are inhibitors of one, or both of, ?v?1 integrin and ?v?6 integrin that are useful for treating fibrosis such as in nonalcoholic steatohepatitis (NASH), idiopathic pulmonary fibrosis (IPF) and nonspecific interstitial pneumonia (NSIP).
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 9, 2024
    Assignee: PLIANT THERAPEUTICS, INC.
    Inventors: Jacob Cha, Manuel Muñoz, Maureen Reilly, Nicole Cooper, Katerina Leftheris, David J. Morgans, Jr., Timothy Hom, Yajun Zheng, Christopher Bailey, Darren Finkelstein
  • Publication number: 20240087434
    Abstract: Provided are a method for generating a haptic feedback signal, an electronic device, and a storage medium. The method includes: acquiring an initial haptic feedback signal; mapping an initial haptic feedback signal from a time domain to a frequency domain to obtain an initial spectrogram of the initial haptic feedback signal in the frequency domain; adjusting an amplitude value of a harmonic component of any frequency band in the initial spectrogram to obtain a target spectrogram; and mapping a signal corresponding to the target spectrogram from the frequency domain to the time domain to obtain a target haptic feedback signal. In the present application, a large number of haptic feedback signals with different haptic feedback effects may be obtained by adjusting the amplitude value of the harmonic component of any frequency band in the initial spectrogram, thereby effectively improving the richness of the haptic feedback signals.
    Type: Application
    Filed: December 29, 2022
    Publication date: March 14, 2024
    Inventors: Zengyou Meng, Yajun Zheng, Zheng Xiang