Patents by Inventor MAN KIT JACKY CHEUNG

MAN KIT JACKY CHEUNG 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).

  • CAPACITIVE TOUCH SENSOR
    Publication number: 20080309353
    Abstract: A touch sensor that includes sampling the output of a touch sensor circuit supplied with a high level carrier signal at least once, sampling the output of a touch sensor circuit supplied with a low level carrier signal at least once and thereby determining the occurrence of a touch by using at least one of said high level carrier samples and at least one of said low level carrier samples.
    Type: Application
    Filed: June 11, 2008
    Publication date: December 18, 2008
    Inventors: MAN KIT JACKY CHEUNG, ADAM JOHNSON