Patents by Inventor Pingchuan LI

Pingchuan LI 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).

  • Wireless power smart door lock
    Patent number: 11441331
    Abstract: Disclosed is a wireless power supply smart door lock, comprising: a wireless power transmission control device mounted on a door frame; the wireless power transmission control device comprises a first main control unit and a wireless power transmission coil, a first wireless power conversion unit, a first communication unit and a door body state detecting unit electrically connected to the first main control unit; the wireless power receiving control device comprises a second main control unit and a wireless power receiving coil, a second wireless power conversion unit, an energy storage unit and a second communication unit electrically connected to the second main control unit; the first main control unit detects the acquired door opening or closing state information and the energy storage unit electric quantity information obtained by the communication interaction in real time according to the door body state detecting unit, and determines whether to trigger the wireless power transmission coil to transmit
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: September 13, 2022
    Inventor: Pingchuan Li
  • A WIRELESS POWER SMART DOOR LOCK
    Publication number: 20200048933
    Abstract: Disclosed is a wireless power supply smart door lock, comprising: a wireless power transmission control device mounted on a door frame; the wireless power transmission control device comprises a first main control unit and a wireless power transmission coil, a first wireless power conversion unit, a first communication unit and a door body state detecting unit electrically connected to the first main control unit; the wireless power receiving control device comprises a second main control unit and a wireless power receiving coil, a second wireless power conversion unit, an energy storage unit and a second communication unit electrically connected to the second main control unit; the first main control unit detects the acquired door opening or closing state information and the energy storage unit electric quantity information obtained by the communication interaction in real time according to the door body state detecting unit, and determines whether to trigger the wireless power transmission coil to transmit
    Type: Application
    Filed: October 25, 2017
    Publication date: February 13, 2020
    Inventor: Pingchuan LI