Patents by Inventor Liqiang Du

Liqiang Du 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).

  • Battery life of battery powered wireless devices
    Patent number: 12126195
    Abstract: A method of reducing a power consumption of a wireless device according to one embodiment includes performing, by the wireless device, a calibration of wireless communication circuitry of the wireless device in response to establishing a wireless communication connection with a wireless access point, determining, by the wireless device, a number of disconnections between the wireless device and the wireless access point over a predefined period of time, and increasing, by the wireless device, a sleep interval of the wireless communication circuitry of the wireless device in response to determining the number of disconnections between the wireless device and the wireless access point over the predefined period of time is less than a threshold number of disconnections.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: October 22, 2024
    Assignee: Schlage Lock Company LLC
    Inventors: Liqiang Du, David I. Newby, Ilamparithi Ashok Dileephan
  • BATTERY LIFE OF BATTERY POWERED WIRELESS DEVICES
    Publication number: 20240030720
    Abstract: A method of reducing a power consumption of a wireless device according to one embodiment includes performing, by the wireless device, a calibration of wireless communication circuitry of the wireless device in response to establishing a wireless communication connection with a wireless access point, determining, by the wireless device, a number of disconnections between the wireless device and the wireless access point over a predefined period of time, and increasing, by the wireless device, a sleep interval of the wireless communication circuitry of the wireless device in response to determining the number of disconnections between the wireless device and the wireless access point over the predefined period of time is less than a threshold number of disconnections.
    Type: Application
    Filed: February 14, 2023
    Publication date: January 25, 2024
    Inventors: Liqiang Du, David I. Newby, Ilamparithi Ashok Dileephan
  • Battery life of battery powered wireless devices
    Patent number: 11581746
    Abstract: A method of reducing a power consumption of a wireless device according to one embodiment includes performing, by the wireless device, a calibration of wireless communication circuitry of the wireless device in response to establishing a wireless communication connection with a wireless access point, determining, by the wireless device, a number of disconnections between the wireless device and the wireless access point over a predefined period of time, and increasing, by the wireless device, a sleep interval of the wireless communication circuitry of the wireless device in response to determining the number of disconnections between the wireless device and the wireless access point over the predefined period of time is less than a threshold number of disconnections.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: February 14, 2023
    Assignee: Schlage Lock Company LLC
    Inventors: Liqiang Du, David I. Newby, Ilamparithi Ashok Dileephan
  • BATTERY LIFE OF BATTERY POWERED WIRELESS DEVICES
    Publication number: 20210257844
    Abstract: A method of reducing a power consumption of a wireless device according to one embodiment includes performing, by the wireless device, a calibration of wireless communication circuitry of the wireless device in response to establishing a wireless communication connection with a wireless access point, determining, by the wireless device, a number of disconnections between the wireless device and the wireless access point over a predefined period of time, and increasing, by the wireless device, a sleep interval of the wireless communication circuitry of the wireless device in response to determining the number of disconnections between the wireless device and the wireless access point over the predefined period of time is less than a threshold number of disconnections.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 19, 2021
    Inventors: Liqiang Du, David I. Newby, Ilamparithi Ashok Dileephan