×

Interrogator and interrogation system employing the same

  • US 7,893,840 B2
  • Filed: 08/13/2007
  • Issued: 02/22/2011
  • Est. Priority Date: 03/03/2003
  • Status: Expired due to Term
First Claim
Patent Images

1. An interrogator, comprising:

  • a radio frequency identification (RFID) sensing subsystem configured to detect an RFID object; and

    a control and processing subsystem configured to control an interrogation sequence of said RFID sensing subsystem by extending a precharging of said RFID object to provide adequate energy to charge an RFID tag of an otherwise undetectable RFID object prior to detecting said RFID object.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×