Eas reader detecting eas function from rfid device

Abstract From the Canadian patent

A reader device for electronic article surveillance (EAS) is disclosed which includes an exciter; a transmitter, the transmitter operatively coupled to the exciter via a first signal gate; a transmitter antenna operatively coupled to the transmitter; a receiver antenna operatively coupled to a receiver front end; and a signal detector, the receiver front end operatively coupled to the signal detector via a second signal gate wherein the exciter generates a , burst of electromagnetic energy in a pulse or a continuous wave at an operating frequency of a radiofrequency identification (RFID) tag within a read range of the EAS reader such that the energy level of the burst generates a …