Operating Devices Patents (Class 235/44)
Electric (Class 235/45)
Punch (Class 235/46)
  • System and method for operating an RFID system with head tracking
    Patent number: 8890657
    Abstract: A method of transmitting radiofrequency identification (RFID) interrogation signals is disclosed. The method comprises detecting a first movement of a user in a first direction, determining a command from the first movement, and transmitting a RFID interrogation signal in response to the command.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: November 18, 2014
    Assignee: Symbol Technologies, Inc.
    Inventors: Lang Lin, Joe White