Patents by Inventor Daniel B. Cox

Daniel B. Cox 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).

  • Backlight current control in portable electronic devices
    Patent number: 7808185
    Abstract: A method in a portable electronic device (100) having a user interface illumination (110) is disclosed. The method comprises sensing (202) an ambient light level in a neighborhood of the portable electronic device with a sensor (104) of the portable electronic device. Based on the ambient light level sensed, then controlling (204) a visual characteristic of the user interface illumination, wherein the user interface illumination is operated at a brightness between a maximum brightness and a minimum brightness for at least one ambient light level detected.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: October 5, 2010
    Assignee: Motorola, Inc.
    Inventors: Richard Ng, Daniel B. Cox, Joseph L. Allore