Patents by Inventor David M. Gabel

David M. Gabel 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).

  • Electro-optical sensor
    Patent number: 7620212
    Abstract: Methods and systems are provided that extend the functionality of electro-optical sensors. A device has a multiple light sources, a light detector, and a processor configured to operate the light sources and the light detector to perform distinct functions. At least one of the distinct functions includes a biometric identification function in which light is propagated from the plurality of light sources through presented material. The propagated light is received with the light detector, with the presented material being identified from the received light. Another of the distinct functions includes a nonidentification function performed with the light sources and the light detector.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: November 17, 2009
    Assignee: Lumidigm, Inc.
    Inventors: Jeffrey G. Allen, Stephen P. Corcoran, David M. Gabel, Damien M. Gonzales, Robert M. Harbour, Shonn P. Hendee, Kristin A. Nixon, Robert E. Ostrom, Robert K. Rowe, Timothy Rowe