Patents by Inventor Christopher M. McIntosh

Christopher M. McIntosh 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).

  • Laser pointer system for day and night use
    Patent number: 9019366
    Abstract: A novel eye-safe, long range laser pointer system for use in day or night conditions is described. The system uses a short pulse laser and a gated camera to detect the laser spot at long ranges in the presence of a strong solar background. The camera gate is synchronized with incident laser pulses using a separate large area, fast photodiode to detect the high peak power pulses. Alternately, gate synchronization using a GPS-disciplined clock can be used. Eye-safe systems operating in the near-UV or SWIR band are described.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: April 28, 2015
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Lew Goldberg, Christopher M. McIntosh
  • LASER POINTER SYSTEM FOR DAY AND NIGHT USE
    Publication number: 20120229622
    Abstract: A novel eye-safe, long range laser pointer system for use in day or night conditions is described. The system uses a short pulse laser and a gated camera to detect the laser spot at long ranges in the presence of a strong solar background. The camera gate is synchronized with incident laser pulses using a separate large area, fast photodiode to detect the high peak power pulses. Alternately, gate synchronization using a GPS-disciplined clock can be used. Eye-safe systems operating in the near-UV or SWIR band are described.
    Type: Application
    Filed: March 10, 2011
    Publication date: September 13, 2012
    Applicant: United States of America, as represented by the Secretary of the Army
    Inventors: Lew Goldberg, Christopher M. McIntosh
  • Method and apparatus for coupling light into a waveguide using a slit
    Patent number: 6975792
    Abstract: A method and a corresponding apparatus for side-coupling light into an optical waveguide, such as a double-cladding fiber, are described. The method includes emitting light from a light source and coupling the emitted light into a side of a waveguide that defines a slit disposed on the side of the waveguide at an angle relative to an axis of the waveguide. The emitted light is incident on a surface of the slit and the slit surface reflects the incident light into the waveguide.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: December 13, 2005
    Assignee: Keopsys, Inc.
    Inventors: Lew Goldberg, Christopher M. McIntosh