Patents by Inventor Tom M. Hedges

Tom M. Hedges 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).

  • Apparatus and method for determining position
    Patent number: 6501543
    Abstract: An improved receiver for use in a robotic theodolite spatial positioning apparatus that allows a single user to determine elevation and azimuth angle data. To determine elevation angle of the receiver, the receiver has a sensor that receives a first position signal and a second position signal emitted from an optical transmitter. The receiver outputs a first and a second receive signal. A calculator in the receiver determines the first interval time separation between the first and second receive signals, converts the first time interval separation into elevation angle data and outputs the elevation angle data. A display in the receiver receives and displays the elevation angle data. The receiver is selectively positionable within a workspace.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: December 31, 2002
    Assignee: Arc Second, Inc.
    Inventors: Tom M. Hedges, Sean Beliveau, Timothy Pratt, Rick Slater, Michael J. Sobel
  • Apparatus and method for determining position
    Publication number: 20020033940
    Abstract: An improved receiver for use in a robotic theodolite spatial positioning apparatus that allows a single user to determine elevation and azimuth angle data. To determine elevation angle of the receiver, the receiver has a sensor that receives a first position signal and a second position signal emitted from an optical transmitter. The receiver outputs a first and a second receive signal. A calculator in the receiver determines the first interval time separation between the first and second receive signals, converts the first time interval separation into elevation angle data and outputs the elevation angle data. A display in the receiver receives and displays the elevation angle data. The receiver is selectively positionable within a workspace.
    Type: Application
    Filed: February 26, 2001
    Publication date: March 21, 2002
    Inventors: Tom M. Hedges, Sean Beliveau, Timothy Pratt, Rick Slater, Michael J. Sobel