Patent ID: 7463155
Filing Date: 2008-12-09
Classification: G08B

Abstract:
1. An apparatus, comprising: an antenna system having multiple antennas; a first switch to connect to said antenna system; a receiver to connect to said switch; a processor to connect to said first switch, said processor to switch said first switch to a first state to connect said receiver to a first antenna in order to detect a first type of security tag in a first operating mode, and said processor to switch said first switch to a second state to connect said receiver to a second antenna to detect a second type of security tag in a second operating mode; and an amplifying module to connect to said receiver, said amplifying module to comprise a second switch, a third switch, and an amplifier, said processor to switch said second switch and said third switch to a first state to connect said second switch to said third switch through said amplifier, and switch said second switch and said third switch to a second state to connect said second switch to said third switch without said amplifier.