Patents by Inventor Robert Horsfall

Robert Horsfall 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).

  • Method and apparatus for turning off a projector
    Patent number: 8807764
    Abstract: A method of and apparatus for turning off a projector. The method and apparatus identify a condition to the effect that the projector should not be powered on, identify a condition to the effect that the power draw of the projector is above a threshold value, and instruct the projector to turn off.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: August 19, 2014
    Inventors: Robert Horsfall, Andrew David Steers
  • Turning Off a Projector
    Publication number: 20120086921
    Abstract: A method of and apparatus for turning off a projector. The method and apparatus identify a condition to the effect that the projector should not be powered on, identify a condition to the effect that the power draw of the projector is above a threshold value, and instruct the projector to turn off.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 12, 2012
    Inventors: Robert Horsfall, Andrew David Steers