Patents by Inventor Xiaofeng Guo

Xiaofeng Guo 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: 20240171850
    Abstract: The present application discloses a method for controlling a photographing function, which is applied to an AR apparatus, the method comprising: if a photographing function calling instruction is received, activating a photographing device of the AR apparatus; setting a display status of the AR apparatus to a non-preview status, wherein, a currently displayed content of the AR apparatus does not include a photographing preview content in the non-preview status; determining whether a photographing instruction is received; if so, controlling the photographing device to perform an operation corresponding to the photographing instruction. According to the present application, the power consumption of the photographing function of the AR apparatus can be reduced, and the endurance can be improved. The present application also discloses a device for controlling a photographing function, a storage medium and an AR apparatus which have the above beneficial effects.
    Type: Application
    Filed: December 9, 2021
    Publication date: May 23, 2024
    Inventors: Qinghe YANG, Xudong QIU, Xiaofeng GUO
  • Publication number: 20240171193
    Abstract: The present disclosure provides a successive approximation method of three-state quantization and a successive approximation analog-to-digital converter circuit. The method includes for a first successive approximation of the arbitrary analog input signal between 0 and 1, comparing it with a quantization line 1/2; performing a second successive approximation according to a state of the first successive approximation; and by analogy up to a Nth successive approximation, in case that a certain successive approximation is the state three during the comparison process, ending the approximation, indicating that the interval where the signal is located has been found.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 23, 2024
    Inventors: Xiaofeng Guo, Zhenqi Chen, Run Chen, Yonggang Chen
  • Patent number: 11976891
    Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 7, 2024
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
  • Publication number: 20240121771
    Abstract: A scheduling electronic device is used for selecting a candidate time-frequency resource set required for communication of a predetermined electronic device in the group to which the scheduling electronic device belongs; and the scheduling electronic device comprises a processing circuit, and the processing circuit is configured to: receive, from at least one member electronic device located in an overlapping region between said group and other groups, a cooperative sensing result obtained by sensing a time-frequency resource by the at least one member electronic device during at least a portion of a cooperative resource sensing window, so as to assist the scheduling electronic device in selecting a candidate time-frequency resource set, the cooperative resource sensing window being a time period for the at least one member electronic device to perform the assistance so as to sense the time-frequency resource.
    Type: Application
    Filed: April 12, 2022
    Publication date: April 11, 2024
    Applicant: Sony Group Corporation
    Inventors: Yanzhao HOU, Xiaofeng TAO, Yang WEN, Chengrui WANG, Yinan GUO, Xiaoxue WANG, Chen SUN
  • Publication number: 20230259242
    Abstract: Disclosed are a display panel and a display device. The display panel includes a touch insulating layer. The display panel further includes a display region and a non-display region, where the non-display region includes a first non-display region and a bending region, and the first non-display region is located between the bending region and the display region. The first non-display region includes a first sub-non-display region and a second sub-non-display region, where within the first sub-non-display region, the touch insulating layer includes multiple touch via holes, and within the second sub-non-display region, the touch insulating layer includes a first hollow portion, and the first hollow portion penetrates the touch insulating layer.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 17, 2023
    Applicant: Wuhan Tianma Microelectronics Co., Ltd.
    Inventors: Yaofei ZHENG, Xiaofeng GUO
  • Patent number: 11716992
    Abstract: A 5A5B6C tricyclic spironolactone derivative is provided with a formula XI: The present invention also relates to its preparation method and its applications in the areas of insecticide, nematicide, fungicide and anti-viral agent. The 5A5B6C tricyclic spironolactone derivatives in the present invention are high-performance, broad-spectrum, low-toxicity and low-ecological risk compounds with a wide range of applications in the areas of agriculture, horticulture, forestry and health.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: August 8, 2023
    Assignee: NANKAI UNIVERSITY
    Inventors: Zhijin Fan, Yujie Zhu, Lai Chen, Shuang Zhou, Xiaofeng Guo, Haixia Wang, Bin Yu, Nailou Zhang, Qifan Wu, Dongyan Yang, Bin Zhao
  • Patent number: 11677413
    Abstract: Disclosed are an audio ADC for supporting voice wake-up and an electronic device. The audio ADC includes a programmable gain amplifier (PGA) having an input terminal for receiving an audio signal; a bypass switch having an input terminal for receiving an analog audio signal; and a successive approximation ADC having input terminals respectively connected to output terminals of the PGA and the bypass switch; the PGA gains and amplifies the audio signal, the bypass switch bypasses the PGA, and outputs the analog audio signal; the successive approximation performs analog-to-digital conversion with noise shaping on the analog audio signal after gain amplification at a first sampling rate/oversampling rate when the audio ADC is normal working, and turns off noise shaping when the audio ADC is sleep, performs analog-to-digital conversion on the analog audio signal output by the bypass switch at a second sampling rate/oversampling rate, and outputs to a DSP.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 13, 2023
    Assignee: Radiawave Technologies Co., Ltd.
    Inventors: Erkan Alpman, Xiaofeng Guo, Jon Sweat Duster, Yulin Tan, Ning Zhang, Haigang Feng
  • Publication number: 20230144619
    Abstract: Provided in the present invention are a salt of an arylaminopurine derivative represented by Formula (2), a preparation method therefor and the use thereof. The salt obtained in the present invention has good crystallinity and significantly improved solubility relative to that in the free form, and the preferred salt and crystal form have low hygroscopicity and can exist stably. Therefore, compared with the free form of arylaminopurine derivatives or other salts, it is easier to prepare same into a medicine.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 11, 2023
    Applicant: CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.
    Inventors: Dehua Ji, Shengyong Yang, Xiaofeng Guo, Chen Zhang, Linli Li, Yuxiu Ma, Xiaowei Sun, Qiaoli Cui, Feng Guo, Haohao Zhang
  • Patent number: 11621719
    Abstract: Disclosed are a pre-drive module of an analog-to-digital converter and an analog-to-digital conversion device. The pre-drive module includes a sampling capacitor; a controller configured to output a reset control signal, a pre-sampling control signal, and a sampling control signal according to a preset timing sequence; a reset module configured to reset the sampling capacitor upon receiving the reset control signal; a first auxiliary drive circuit configured to amplify an input analog signal and output to the sampling capacitor for sampling upon receiving the sample control signal; and a second auxiliary drive circuit. The controller is configured to output the pre-sampling control signal before outputting the sampling control signal, control the second auxiliary drive circuit to amplify the input analog signal, and output to the sampling capacitor for pre-sampling, and when a charging voltage of the sampling capacitor during pre-sampling reaches a preset voltage value, output the sampling control signal.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 4, 2023
    Assignee: Radiawave Technologies Co., Ltd.
    Inventors: Xiaofeng Guo, Erkan Alpman, Jon Sweat Duster, Yulin Tan, Haigang Feng, Ning Zhang
  • Patent number: 11581900
    Abstract: Disclosed are an analog-to-digital converter error shaping circuit and a successive approximation analog-to-digital converter. The analog-to-digital converter error shaping circuit includes a decentralized capacitor array, a data weighted average module, a mismatch error shaping module, a control logic generation circuit, a digital filter and a decimator. The decentralized capacitor array includes two symmetrically arranged capacitor array units, each capacitor array unit includes a first sub-capacitor array of a high segment bit and a second sub-capacitor array of a low segment bit. The data weighted average module is configured to eliminate correlation between the first sub-capacitor array and an input signal, and the mismatch error shaping module is configured to eliminate correlation between the second sub-capacitor array and the input signal.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 14, 2023
    Assignee: Radiawave Technologies Co., Ltd.
    Inventors: Erkan Alpman, Xiaofeng Guo, Jon Sweat Duster, Yulin Tan, Ning Zhang, Haigang Feng
  • Patent number: 11524558
    Abstract: A glass structure includes a glass body; a modulating unit coupled to the glass body to modulate optical characteristics of the glass structure; an interaction unit coupled to the glass body to provide an adjusting signal indicating an execution of adjusting the optical characteristics of the glass structure; and a control unit coupled to the modulating unit and the interaction unit respectively, the control unit being configured to receive the adjusting signal from the interaction unit and to control the modulating unit to modulate the optical characteristics of a target region of the glass structure in response to the adjusting signal. The interaction unit and the modulating unit are isolated from each other by a filling material having a transmittance equal to or greater than about 50%, a relative permittivity equal to or less than about 10, and a thickness equal to or greater than about 50 ?m.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 13, 2022
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Xiaofeng Guo, Siteng Ma
  • Publication number: 20220203892
    Abstract: An anti-collision warning system for a vehicle door includes a sensing module, a detection module, and a warning module. The sensing module is configured to sense whether a passenger has an intention to open a vehicle door and output a sensing result. The control module is coupled to the sensing module, the detection module and warning module, and the control module is configured to control the warning module to issue an alert based on information on traffic conditions from the detection module in response to the sensing result being YES. The anti-collision warning system can issue an alert to the passenger in a timely and effective manner when it senses that the passenger has the intention to open the vehicle door. Therefore, the passenger would be alerted and determine whether it is an appropriate time to open the vehicle door, thus preventing the vehicle door from colliding with an object.
    Type: Application
    Filed: April 23, 2020
    Publication date: June 30, 2022
    Inventors: Siteng MA, Simon LE MOAL, Xiaofeng GUO
  • Patent number: 11342931
    Abstract: A reference voltage controlling circuit and an analog-to-digital converter are disclosed. The reference voltage controlling circuit includes a reference voltage generating circuit, a plurality of groups of sampling switching units and a logic controlling circuit. The DAC capacitor array switches the sampling switching units to a second positive reference voltage and a second negative reference voltage before starting sampling or conversion, and is charged and discharged with the second positive reference voltage and the second negative reference voltage to raise a voltage to a preset voltage. The sampling switching unit is switched to a first positive reference voltage and a first negative reference voltage to charge and discharge the DAC capacitor array to a target voltage. The rising of the voltage from the preset voltage to the target voltage is completed by the first positive reference voltage and the first negative reference voltage.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: May 24, 2022
    Assignee: Radiawave Technologies Co., Ltd.
    Inventors: Xiaofeng Guo, Erkan Alpman, Jon Sweat Duster, Ning Zhang, Yulin Tan, Haigang Feng
  • Publication number: 20220153958
    Abstract: The present invention provides a thermal insulation composition and a preparation method and application. The thermal insulation composition is composed of aerogel material and organic resin; the composite mass ratio of the aerogel material to the organic resin is 5 wt %:95 wt % to 50 wt %:50 wt %; the porosity of the aerogel material is greater than 95%, the pore diameter of the aerogel material is less than or equal to 100 nm, the particle size of each particle of aerogel material is 5 nm to 20 nm, and the organic resin is filled in the pores of the aerogel material. The thermal insulation module component prepared from the thermal insulation composition has mechanical strength and thermal conductivity at room temperature, and if the battery goes into thermal runaway, the material becomes a heat-insulating material, blocking the heat transfer between battery cells, greatly improving the safety performance of the battery.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Ya ZHANG, Xiaofeng GUO, Zhihong LIN, Qian CHENG, Dingguo WU
  • Patent number: 11296714
    Abstract: A residue transfer loop, a successive approximation register analog-to-digital converter and a gain calibration method are disclosed. In particular, the residue transfer loop includes a sampling switch module, a logic controlling circuit, a residue holding capacitor module, a DAC capacitor array, a residue transfer module, a current rudder, a reset switch module and a charge sharing switch module. The logic controlling circuit sequentially outputs control signals according to preset time intervals in a preset period to control the reset switch module, the residue transfer module, the sampling switch module and the charge sharing switch module to work sequentially, thereby realizing a residue transfer.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: April 5, 2022
    Assignee: Radiawave Technologies Co., Ltd.
    Inventors: Xiaofeng Guo, Erkan Alpman, Jon Sweat Duster, Haigang Feng, Ning Zhang, Yulin Tan
  • Publication number: 20220045688
    Abstract: Disclosed are a pre-drive module of an analog-to-digital converter and an analog-to-digital conversion device. The pre-drive module includes a sampling capacitor; a controller configured to output a reset control signal, a pre-sampling control signal, and a sampling control signal according to a preset timing sequence; a reset module configured to reset the sampling capacitor upon receiving the reset control signal; a first auxiliary drive circuit configured to amplify an input analog signal and output to the sampling capacitor for sampling upon receiving the sample control signal; and a second auxiliary drive circuit. The controller is configured to output the pre-sampling control signal before outputting the sampling control signal, control the second auxiliary drive circuit to amplify the input analog signal, and output to the sampling capacitor for pre-sampling, and when a charging voltage of the sampling capacitor during pre-sampling reaches a preset voltage value, output the sampling control signal.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: Radiawave Technologies Co., Ltd.
    Inventors: Xiaofeng GUO, Erkan ALPMAN, Jon Sweat DUSTER, Yulin TAN, Haigang FENG, Ning ZHANG
  • Publication number: 20220045690
    Abstract: Disclosed are an audio ADC for supporting voice wake-up and an electronic device. The audio ADC includes a programmable gain amplifier (PGA) having an input terminal for receiving an audio signal; a bypass switch having an input terminal for receiving an analog audio signal; and a successive approximation ADC having input terminals respectively connected to output terminals of the PGA and the bypass switch; the PGA gains and amplifies the audio signal, the bypass switch bypasses the PGA, and outputs the analog audio signal; the successive approximation performs analog-to-digital conversion with noise shaping on the analog audio signal after gain amplification at a first sampling rate/oversampling rate when the audio ADC is normal working, and turns off noise shaping when the audio ADC is sleep, performs analog-to-digital conversion on the analog audio signal output by the bypass switch at a second sampling rate/oversampling rate, and outputs to a DSP.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: Radiawave Technologies Co., Ltd.
    Inventors: Erkan ALPMAN, Xiaofeng GUO, Jon Sweat DUSTER, Yulin TAN, Ning ZHANG, Haigang FENG
  • Publication number: 20210313997
    Abstract: Disclosed are an analog-to-digital converter error shaping circuit and a successive approximation analog-to-digital converter. The analog-to-digital converter error shaping circuit includes a decentralized capacitor array, a data weighted average module, a mismatch error shaping module, a control logic generation circuit, a digital filter and a decimator. The decentralized capacitor array includes two symmetrically arranged capacitor array units, each capacitor array unit includes a first sub-capacitor array of a high segment bit and a second sub-capacitor array of a low segment bit. The data weighted average module is configured to eliminate correlation between the first sub-capacitor array and an input signal, and the mismatch error shaping module is configured to eliminate correlation between the second sub-capacitor array and the input signal.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Erkan ALPMAN, Xiaofeng GUO, Jon Sweat DUSTER, Yulin TAN, Ning ZHANG, Haigang FENG
  • Publication number: 20210289783
    Abstract: A 5A5B6C tricyclic spironolactone derivative is provided with a formula XI: The present invention also relates to its preparation method and its applications in the areas of insecticide, nematicide, fungicide and anti-viral agent. The 5A5B6C tricyclic spironolactone derivatives in the present invention are high-performance, broad-spectrum, low-toxicity and low-ecological risk compounds with a wide range of applications in the areas of agriculture, horticulture, forestry and health.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 23, 2021
    Inventors: Zhijin Fan, Yujie Zhu, Lai Chen, Shuang Zhou, Xiaofeng Guo, Haixia Wang, Bin Yu, Nailou Zhang, Qifan Wu, Dongyan Yang, Bin Zhao
  • Publication number: 20210266004
    Abstract: A residue transfer loop, a successive approximation register analog-to-digital converter and a gain calibration method are disclosed. In particular, the residue transfer loop includes a sampling switch module, a logic controlling circuit, a residue holding capacitor module, a DAC capacitor array, a residue transfer module, a current rudder, a reset switch module and a charge sharing switch module. The logic controlling circuit sequentially outputs control signals according to preset time intervals in a preset period to control the reset switch module, the residue transfer module, the sampling switch module and the charge sharing switch module to work sequentially, thereby realizing a residue transfer.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Xiaofeng GUO, Erkan ALPMAN, Jon Sweat DUSTER, Haigang FENG, Ning ZHANG, Yulin TAN