Patents by Inventor David D. Tsang

David D. Tsang 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: 20150216001
    Abstract: An LED lighting system comprises: lighting blocks; and one or more switches, wherein electrical connections between the lighting blocks are configured using the one or more switches, and wherein the one or more switches are operated as a function of an input voltage. Based upon the input voltage to the LED lighting system, the electrical connections of the lighting blocks can be configured accordingly.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 30, 2015
    Applicant: Acorntech Limited
    Inventors: Kenneth Y. Mok, Minh Quang Tran, David D. Tsang, Chungjen Chien