Patents by Inventor Colin Robert Law

Colin Robert Law 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).

  • Trustworthy optomechanical switch
    Patent number: 8189969
    Abstract: A switch having two apertured plates one of which is movable relative to the other to occupy spaced switch positions, the apertures being arranged in the plates so that in each switch position two or more pairs of apertures are aligned and all others are masked, wherein light transmitted through a selected one of the two or more aligned aperture pairs in a particular switch position is visible through an external switch position indicating window to thereby provide an unambiguous indication that the movable plate is positively registered in the particular switch position.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: May 29, 2012
    Assignee: Raytheon Australia Pty. Ltd.
    Inventors: Charles Anthony Ashcroft, Colin Robert Law
  • Trustworthy optomechanical switch
    Publication number: 20090297145
    Abstract: A switch having two apertured plates one of which is movable relative to the other to occupy spaced switch positions, the apertures being arranged in the plates so that in each switch position two or more pairs of apertures are aligned and all others are masked, wherein light transmitted through a selected one of the two or more aligned aperture pairs in a particular switch position is visible through an external switch position indicating window to thereby provide an unambiguous indication that the movable plate is positively registered in the particular switch position.
    Type: Application
    Filed: July 11, 2006
    Publication date: December 3, 2009
    Applicant: Compucat Research Pty Limited
    Inventors: Charles Anthony Ashcroft, Colin Robert Law