Patents by Inventor Ramon E. Alvarez

Ramon E. Alvarez 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).

  • Fiber gain medium marking system pumped or seeded by a modulated laser diode source and method of energy control
    Patent number: 6275250
    Abstract: Double clad fiber gain medium systems particularly adapted for marking indicia on surfaces of articles are disclosed. These systems provide a modulated output from a pump or seed semiconductor laser source to a double clad fiber gain medium which provides an amplified marking output scanned over the article surface with an optical scanner forming a plurality of strokes, the completion of which results in the indicia.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: August 14, 2001
    Assignee: SDL, Inc.
    Inventors: Steven Sanders, David F. Welch, Stuart MacCormack, Ramon E. Alvarez