Patents by Inventor Kwan Mo Ng

Kwan Mo Ng 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: 20170331231
    Abstract: A multifunctional wall socket related to electrical conduction connecting device is provided. In one embodiment, the socket comprises a socket cover with a conventional power connector, and a USB port arranged on the socket cover. The USB port is connected to the output terminal of an AC-DC conversion module arranged on the socket cover. The AC-DC conversion module comprises a rectifier filter module, a modulation step-down module, a current sampling and protection module, a voltage reference module and a feedback control module. The socket may further include a wirelessly-communicable module for controlling delivery of the AC power at the conventional power connector and/or the DC power at the USB port.
    Type: Application
    Filed: October 22, 2015
    Publication date: November 16, 2017
    Inventor: Kwan Mo NG
  • Patent number: 7997925
    Abstract: A multifunctional wall socket related to electrical conduction connecting device, comprising socket cover (1) with a conventional power connector (2) and a USB port (3) arranged on the socket cover. The USB port (3) is connected to the output terminals of an AC-DC conversion module (4) arranged on the socket cover (1). The AC-DC conversion module (4) comprises a rectifier filter module (41), modulation step-down module (42), current sampling and protection module (43), voltage reference module (44) and feedback control module (45). A first safety shutter (6) which can be opened or closed in arranged at the USB port (3) on the socket cover (1), or a second safety shutter (7) which can be opened or closed is arranged at the conventional power connector (2).
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: August 16, 2011
    Inventors: Chung Man Lam, Kwan Mo Ng, Tak On Chan
  • Publication number: 20100029109
    Abstract: A multifunctional wall socket related to electrical conduction connecting device, comprising socket cover (1) with a conventional power connector (2) and a USB port (3) arranged on the socket cover. The USB port (3) is connected to the output terminals of an AC-DC conversion module (4) arranged on the socket cover (1). The AC-DC conversion module (4) comprises a rectifier filter module (41), modulation step-down module (42), current sampling and protection module (43), voltage reference module (44) and feedback control module (45). A first safety shutter (6) which can be opened or closed in arranged at the USB port (3) on the socket cover (1), or a second safety shutter (7) which can be opened or closed is arranged at the conventional power connector (2).
    Type: Application
    Filed: May 27, 2008
    Publication date: February 4, 2010
    Inventors: Chung Man Lam, Kwan Mo Ng, Tak On Chan