Patents by Inventor Wai Chee LUM

Wai Chee LUM 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).

  • LED status indicating unit for an electrical appliance
    Patent number: 11710388
    Abstract: An improved LED status indicating unit for an electrical appliance including at least one LED status indicator configured to indicate an operating status of the electrical appliance; at least one sensor; a storage unit configured to store one or more predefined conditions, each of which being associated with a command for controlling one or more lighting parameters of at least one LED status indicator; and a processing unit configured to determine, for each of the one or more signals produced by each of the at least one sensor, whether the signal satisfies any of the one or more predefined conditions; and if the signal satisfies any of the one or more predefined conditions, control the one or more lighting parameters of the at least one LED status indicator which is electrically connected with the processing unit according to the command associated with the predefined condition satisfied.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: July 25, 2023
    Inventor: Wai Chee Lum
  • LED status indicating unit for an electrical appliance
    Publication number: 20230230462
    Abstract: An improved LED status indicating unit for an electrical appliance including at least one LED status indicator configured to indicate an operating status of the electrical appliance; at least one sensor; a storage unit configured to store one or more predefined conditions, each of which being associated with a command for controlling one or more lighting parameters of at least one LED status indicator; and a processing unit configured to determine, for each of the one or more signals produced by each of the at least one sensor, whether the signal satisfies any of the one or more predefined conditions; and if the signal satisfies any of the one or more predefined conditions, control the one or more lighting parameters of the at least one LED status indicator which is electrically connected with the processing unit according to the command associated with the predefined condition satisfied.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 20, 2023
    Inventor: Wai Chee LUM