Patents by Inventor Low Ho Kan

Low Ho Kan 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).

  • Patent number: 10091859
    Abstract: A power supply using a microcontroller for circuit protection and an LED lighting system using the power supply are disclosed. A power supply according to embodiments of the present invention includes a floating converter and at least a first reference voltage source connected to a negative output terminal of the floating converter. A microcontroller is connected to the first reference voltage source and to a control input of the floating converter, which may be a floating buck converter. In some embodiments, a second reference voltage source is connected to the microcontroller. A voltage divider and/or a comparator can be used to provide one or both voltage reference sources.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: October 2, 2018
    Assignee: Cree, Inc.
    Inventors: Yee Ping Ho, Low Ho Kan, Yeung Kai Wing
  • Publication number: 20170374720
    Abstract: A power supply using a microcontroller for circuit protection and an LED lighting system using the power supply are disclosed. A power supply according to embodiments of the present invention includes a floating converter and at least a first reference voltage source connected to a negative output terminal of the floating converter. A microcontroller is connected to the first reference voltage source and to a control input of the floating converter, which may be a floating buck converter. In some embodiments, a second reference voltage source is connected to the microcontroller. A voltage divider and/or a comparator can be used to provide one or both voltage reference sources.
    Type: Application
    Filed: June 24, 2016
    Publication date: December 28, 2017
    Inventors: Yee Ping Ho, Low Ho Kan, Yeung Kai Wing