Patents Assigned to CHENGDU XGIMI TECHNOLOGY CO LTD
  • Patent number: 11979690
    Abstract: The present application relates to the field of projection technology and discloses a phosphor wheel, a light source module, and a projector. A phosphor wheel includes a base, a first phosphor layer, and a second phosphor layer. The base includes an excitation light reflecting section and an excitation light transmitting section. The first phosphor layer is disposed on a surface of the excitation light reflecting section facing a direction of incident light and spreading along a circumferential direction of the base. The second phosphor layer is disposed on a surface of the excitation light transmitting section facing away from the direction of incident light and spreading along a circumferential direction of the base. The first phosphor layer and the second phosphor layer are offset to each other in a radial direction of the base.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: May 7, 2024
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD
    Inventors: Bo Zhong, Shi Xiao, Lei Yin
  • Patent number: 11963046
    Abstract: The application relates to the field of wireless communication, and discloses a roaming method in a multi-link scenario, a multi-link device and a storage medium. The roaming method in the multi-link scenario includes: selecting a target network access device that meets a condition; disconnecting a logical entity on a secondary link of an original network access device from the original network access device; establishing a connection of the logical entity with the target network access device; determining a link through which the logical entity is connected with the target network access device as a primary link; and disconnecting a connection of the other logical entity other than the logical entity with the original network access device. The application realizes roaming of a terminal among different network access devices through link management and interactive control, ensuring service continuity and avoiding packet loss.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: April 16, 2024
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao Wu, Fang Xie, Yang Liao
  • Patent number: 11963092
    Abstract: The application discloses a method for connecting to a network access device, a terminal and a computer-readable storage medium. The method includes: transmitting an association request message or a reassociation request message to the network access device; receiving an association response message or a reassociation response message sent by the network access device, wherein the association response message or the reassociation response message includes parameters of AP-EHT Capabilities, EHT Operation, TWT Responder Support and TWT Required, and wherein the AP-EHT Capabilities includes a field of AP-ML Support and the EHT Operation includes a field of AP-Primary Link; reading contents of the association response message or the reassociation response message, and performing a multi-link operation on the basis of the contents.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: April 16, 2024
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao Wu, Fang Xie, Yang Liao
  • Patent number: 11937025
    Abstract: The present application relates to the field of projection technology and discloses a phosphor wheel, a light source module, and a projector. A phosphor wheel includes a base, a first phosphor layer, and a second phosphor layer. The base includes an excitation light reflecting section and an excitation light transmitting section. The first phosphor layer is disposed on a surface of the excitation light reflecting section facing a direction of incident light and spreading along a circumferential direction of the base. The second phosphor layer is disposed on a surface of the excitation light transmitting section facing away from the direction of incident light and spreading along a circumferential direction of the base. The first phosphor layer and the second phosphor layer are offset to each other in a radial direction of the base.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: March 19, 2024
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD
    Inventors: Bo Zhong, Shi Xiao, Lei Yin
  • Patent number: 11934089
    Abstract: The present disclosure relates to the technical field of compensation for projection thermal defocusing, and the embodiments specifically disclose a bidirectional compensation method and apparatus for projection thermal defocusing, and a readable storage medium.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: March 19, 2024
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhong, Shi Xiao, Xin Wang, Zhong Ning
  • Patent number: 11849263
    Abstract: The disclosure relates to the technical field of projection auto-focusing, and embodiments particularly disclose a projection focusing method, a projection focusing apparatus, a projector, and a readable storage medium. According to the projection focusing method provided by this application, an initial position of a focused motor is roughly determined based on a current projection distance, a focusing direction is determined according to the current projection distance and a projection distance corresponding to the current motor position, a position of a clearest projection picture can be found by traversing a few motor positions, and the speed and precision of projection focusing are greatly increased.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: December 19, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhong, Shi Xiao, Xin Wang, Zhong Ning
  • Patent number: 11838697
    Abstract: This application provides an ultra-short-throw picture and screen alignment method which includes the steps: acquiring an image by a wide-angle camera and performing positioning according to the image to obtain a projection position when a current projection picture of an ultra-short-throw projector covers a screen; adjusting a size and a position of the current projection picture according to a position of the screen and the projection position, so that the position of the adjusted projection picture is overlapped with a target position.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: December 5, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhong, Shi Xiao, Xin Wang, Lizao Zhang
  • Patent number: 11822222
    Abstract: Disclosed is a non-coaxial projection light source system including a light source, a fluorescent wheel, and a converging shaping lens group located between the light source and the fluorescent wheel. Excitation light emitted by the light source is emitted to the converging shaping lens group in an optical axis direction inclined to the converging shaping lens group and then is emitted to the fluorescent wheel. Radiating fluorescent light generated by excitation on the fluorescent wheel is emitted to the converging shaping lens group and then is converged to a light path direction different from the excitation light to be output.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 21, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhong, Shi Xiao, Lei Yin
  • Patent number: 11818513
    Abstract: The embodiments of the disclosure relates to the technical field of projection adjustment. Embodiments specifically disclose a self-adaptive adjustment method and adjustment system for brightness of a projection apparatus. In the disclosure, ambient illuminance and a projection distance of the projection apparatus are obtained by controlling an illuminance sensor and a distance sensor, and a functional relationship among the ambient illuminance, projection plane illuminance and the projection distance is found through analysis and modeling of a large amount of data.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: November 14, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Bo Zhong, Shi Xiao, Xin Wang, Jianjun He
  • Patent number: 11803111
    Abstract: The present application provides a projector, including: a projector cabin; an opto-mechanical lens arranged at one end of the projector cabin; a sliding cover arranged in front of the opto-mechanical lens; a target sensor configured to collect signals from one end of the projector cabin where the opto-mechanical lens is arranged and one end of the projector cabin away from the opto-mechanical lens; and a driving mainboard connected to the target sensor and configured to control a working state of the projector based on the signals, wherein the working state includes a power-on state and a power-off state.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 31, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO LTD
    Inventors: Bo Zhong, Shi Xiao, Xin Wang, Xiaoxiang Gu
  • Patent number: 11791942
    Abstract: Disclosed are a method and device for responding to data received by multiple links. The method includes that: a message initiator sends an Add Block ACK (ADDBA) request message to a message responder on multiple links respectively; the message initiator receives an ADDBA response message sent by the message responder on multiple links respectively, the ADDBA response message containing the parameter ML-BA Policy which indicates that the message responder allows usage modes of a multi-link collaborative block acknowledgement policy; and the message initiator sends a converged packet to the message responder on multiple links respectively.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: October 17, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao Wu, Fang Xie, Yang Liao
  • Patent number: 11770698
    Abstract: The application discloses a multi-link terminal, a method for allocating an address for the multi-link terminal, a network access device and a medium. The method for allocating the address for the multi-link terminal includes following steps: sending, by a logical entity affiliated with the multi-link terminal, an association request message to a network access device, wherein the association request message includes a MAC address of the multi-link terminal; and receiving, by the logical entity, an association response message sent by the network access device, wherein the association response message includes addresses and association identifiers allocated by the network access device for logical entities affiliated with the multi-link terminal, and the addresses for the logical entities include respective link information bits.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: September 26, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao Wu, Fang Xie, Yang Liao
  • Patent number: 11675259
    Abstract: A light source system, comprising a first light source, a first wavelength conversion device, a second wavelength conversion device, a light path conversion element, and a light combining unit. The light path conversion element is configured to make an excitation light emitted by the first light source irradiate the first wavelength conversion device and the second wavelength conversion device in turn, so as to correspondingly excite and generate a first excited light and a second excited light. The light combining unit is configured to combine the first excited light and the second excited light. A projector system, comprising the light source system.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 13, 2023
    Assignee: CHENGDU XGIMI TECHNOLOGY CO LTD
    Inventors: Bo Zhong, Shi Xiao, Lei Yin
  • Publication number: 20220322213
    Abstract: The application discloses a method for connecting to a network access device, a terminal and a computer-readable storage medium. The method includes: transmitting an association request message or a reassociation request message to the network access device; receiving an association response message or a reassociation response message sent by the network access device, wherein the association response message or the reassociation response message includes parameters of AP-EHT Capabilities, EHT Operation, TWT Responder Support and TWT Required, and wherein the AP-EHT Capabilities includes a field of AP-ML Support and the EHT Operation includes a field of AP-Primary Link; reading contents of the association response message or the reassociation response message, and performing a multi-link operation on the basis of the contents.
    Type: Application
    Filed: July 17, 2020
    Publication date: October 6, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao WU, Fang XIE, Yang LIAO
  • Publication number: 20220322162
    Abstract: The application relates to the field of wireless communication, and discloses a roaming method in a multi-link scenario, a multi-link device and a storage medium. The roaming method in the multi-link scenario includes: selecting a target network access device that meets a condition; disconnecting a logical entity on a secondary link of an original network access device from the original network access device; establishing a connection of the logical entity with the target network access device; determining a link through which the logical entity is connected with the target network access device as a primary link; and disconnecting a connection of the other logical entity other than the logical entity with the original network access device. The application realizes roaming of a terminal among different network access devices through link management and interactive control, ensuring service continuity and avoiding packet loss.
    Type: Application
    Filed: August 12, 2020
    Publication date: October 6, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO., LTD
    Inventors: Hao WU, Fang Xie, Yang Liao
  • Publication number: 20220322076
    Abstract: The application discloses a multi-link terminal, a method for allocating an address for the multi-link terminal, a network access device and a medium. The method for allocating the address for the multi-link terminal includes following steps: sending, by a logical entity affiliated with the multi-link terminal, an association request message to a network access device, wherein the association request message includes a MAC address of the multi-link terminal; and receiving, by the logical entity, an association response message sent by the network access device, wherein the association response message includes addresses and association identifiers allocated by the network access device for logical entities affiliated with the multi-link terminal, and the addresses for the logical entities include respective link information bits.
    Type: Application
    Filed: August 12, 2020
    Publication date: October 6, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO., LTD.
    Inventors: Hao WU, Fang XIE, Yang LIAO
  • Publication number: 20220206370
    Abstract: The present application provides a projector, including: a projector cabin; an opto-mechanical lens arranged at one end of the projector cabin; a sliding cover arranged in front of the opto-mechanical lens; a target sensor configured to collect signals from one end of the projector cabin where the opto-mechanical lens is arranged and one end of the projector cabin away from the opto-mechanical lens; and a driving mainboard connected to the target sensor and configured to control a working state of the projector based on the signals, wherein the working state includes a power-on state and a power-off state.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 30, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO LTD
    Inventors: Bo ZHONG, Shi XIAO, Xin WANG, Xiaoxiang GU
  • Publication number: 20220196836
    Abstract: A projector, including: a housing; an opto-mechanical system arranged inside the housing; a first light source arranged on the housing and configured to emit target light of a specified wavelength; a semi-transmissive and semi-reflective sheet arranged in the opto-mechanical system and configured to transmit visible light and reflect target light entering the opto-mechanical system, wherein the target light entering the opto-mechanical system is target light reflected back from an obstacle when the target light emitted by the first light source encounters the obstacle; and a light sensor configured to detect target light reflected from the semi-transmissive and semi-reflective sheet, and determine position information of the obstacle according to a first time when the first light source emits the target light and a second time when the light sensor detects the target light reflected from the semi-transmissive and semi-reflective sheet. A projection method is also provided.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 23, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO LTD
    Inventors: Bo ZHONG, Shi XIAO, Xin WANG, Jinqing YU
  • Publication number: 20220182587
    Abstract: The present application relates to the field of projection technology and discloses a phosphor wheel, a light source module, and a projector. A phosphor wheel includes a base, a first phosphor layer, and a second phosphor layer. The base includes an excitation light reflecting section and an excitation light transmitting section. The first phosphor layer is disposed on a surface of the excitation light reflecting section facing a direction of incident light and spreading along a circumferential direction of the base. The second phosphor layer is disposed on a surface of the excitation light transmitting section facing away from the direction of incident light and spreading along a circumferential direction of the base. The first phosphor layer and the second phosphor layer are offset to each other in a radial direction of the base.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 9, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO., LTD
    Inventors: Bo ZHONG, Shi XIAO, Lei YIN
  • Publication number: 20220163877
    Abstract: A light source system, comprising a first light source, a first wavelength conversion device, a second wavelength conversion device, a light path conversion element, and a light combining unit. The light path conversion element is configured to make an excitation light emitted by the first light source irradiate the first wavelength conversion device and the second wavelength conversion device in turn, so as to correspondingly excite and generate a first excited light and a second excited light. The light combining unit is configured to combine the first excited light and the second excited light. A projector system, comprising the light source system.
    Type: Application
    Filed: March 13, 2020
    Publication date: May 26, 2022
    Applicant: CHENGDU XGIMI TECHNOLOGY CO LTD
    Inventors: Bo ZHONG, Shi XIAO, Lei YIN