Patents Assigned to Inkrmec IP Corp.
  • Method of detecting relative direction of motion of a radio frequency (RF) tag
    Patent number: 6204765
    Abstract: A method of determining relative motion between a base station and an RF Tag is disclosed, wherein a property of the RF field at the position of the tag is determined at a first time and at a second time and is used to calculate the relative motion.
    Type: Grant
    Filed: March 13, 1999
    Date of Patent: March 20, 2001
    Assignee: Inkrmec IP Corp.
    Inventors: Michael J. Brady, Rene D. Martinez, Paul A. Moskowitz