Patents by Inventor Mitchell Wade MacDonald

Mitchell Wade MacDonald 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 of calibrating light delivery systems, light delivery systems and radiometer for use therewith
    Patent number: 7835057
    Abstract: In a method of calibrating a light delivery device (10) having a solid state light source (12), for example comprising LEDs of an LED array, and an intensity control unit (16) comprising LED array driver and a dimmer module for generating a control signal for controlling at least the intensity of the light source, the light source is temporarily connected by a light guide (24; 24, 26) to a radiometer (38) for detecting irradiance of the delivered light. The light delivery device has a memory (30) for storing control signal parameters and associated radiance levels. The light delivery device is calibrated by adjusting the control signal parameters, e.g.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: November 16, 2010
    Assignee: EXFO Photonic Solutions Inc.
    Inventors: Roy Kayser, Yu Song, Mitchell Wade MacDonald
  • Method of calibrating light delivery systems, light delivery systems and radiometer for use therewith
    Publication number: 20080197300
    Abstract: In a method of calibrating a light delivery device (10) having a solid state light source (12), for example comprising LEDs of an LED array, and an intensity control unit (16) comprising LED array driver and a dimmer module for generating a control signal for controlling at least the intensity of the light source, the light source is temporarily connected by a light guide (24; 24, 26) to a radiometer (38) for detecting irradiance of the delivered light. The light delivery device has a memory (30) for storing control signal parameters and associated radiance levels. The light delivery device is calibrated by adjusting the control signal parameters, e.g.
    Type: Application
    Filed: February 25, 2008
    Publication date: August 21, 2008
    Inventors: Roy Kayser, Yu Song, Mitchell Wade Macdonald