Patents by Inventor Roger Lee Schenk

Roger Lee Schenk 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).

  • Finger sensing device including differential measurement circuitry and related methods
    Patent number: 8888004
    Abstract: A finger sensing device may include an array of finger sensing pixels to receive a user's finger adjacent thereto. Each finger sensing pixel may include a finger sensing electrode. The finger sensing device may include a finger drive electrode configured to couple a drive signal through the user's finger to the array of finger sensing pixels. The finger sensing device may also include differential pixel measurement circuitry coupled to the array of finger sensing pixels and configured to generate a plurality of interpixel difference measurements for adjacent pairs of the finger sensing pixels.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: November 18, 2014
    Assignee: Authentec, Inc.
    Inventors: Dale R. Setlak, Patrick J. Landy, Albert M. Straub, Roger Lee Schenk
  • FINGER SENSING DEVICE INCLUDING DIFFERENTIAL MEASUREMENT CIRCUITRY AND RELATED METHODS
    Publication number: 20120085822
    Abstract: A finger sensing device may include an array of finger sensing pixels to receive a user's finger adjacent thereto. Each finger sensing pixel may include a finger sensing electrode. The finger sensing device may include a finger drive electrode configured to couple a drive signal through the user's finger to the array of finger sensing pixels. The finger sensing device may also include differential pixel measurement circuitry coupled to the array of finger sensing pixels and configured to generate a plurality of interpixel difference measurements for adjacent pairs of the finger sensing pixels.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 12, 2012
    Applicant: AuthenTec, Inc.
    Inventors: Dale R. Setlak, Patrick J. Landy, Albert M. Straub, Roger Lee Schenk