Patents Assigned to Tracthat LLC
  • Auto-calibrating proximity sensor for retail display security system
    Patent number: 8941388
    Abstract: An auto-calibrated proximity sensor used with a protected item in a retail display security system includes a metalized surface that cooperatively interacts with a printed circuit board to form a capacitive cell. A microcontroller senses changes in the frequency of the capacitive circuit if the orientation of the metalized surface changes with respect to the printed circuit board.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: January 27, 2015
    Assignees: Tracthat LLC
    Inventors: Geoff Yunker, Walter V. Raczynski, V, Charles L. Zimnicki
  • Retail security display system
    Patent number: 8659426
    Abstract: A retail security display system includes an onboard power supply and alarm system that sounds in the event a protected device is tampered with or removed from the display system. The retail security display system also includes a central communication module that manages information from a plurality of display devices and tracks the location of a protected device if it is removed from the display device.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: February 25, 2014
    Assignees: Tracthat LLC
    Inventors: Geoff Yunker, Walter V. Raczynski, V, Charles L. Zimnicki