Patents by Inventor Per Tufvesson

Per Tufvesson 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).

  • Device and method for fingerprints supervision
    Patent number: 7894642
    Abstract: A method and a device for checking fingerprints are described. The method comprises the steps of recording in succession at least two digital images of finger areas and comparing each of the recording images with a reference image that represents at least one previously recorded reference fingerprint from a reference finger areas. The device according to the invention is arranged to carry out the method.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: February 22, 2011
    Assignee: Precise Biometrics AB
    Inventor: Per Tufvesson
  • Device and method for fingerprints supervision
    Publication number: 20040028261
    Abstract: A method and a device for checking fingerprints are described. The method comprises the steps of recording in succession at least two digital images of finger areas and comparing each of the recording images with a reference image that represents at least one previously recorded reference fingerprint from a reference finger areas. The device according to the invention is arranged to carry out the method.
    Type: Application
    Filed: February 21, 2003
    Publication date: February 12, 2004
    Inventor: Per Tufvesson