Patent ID: 8233043
Filing Date: 2012-07-31
Classification: G06K,G08B

Abstract:
1. A camera assembly unit comprising an optical block; a RF receiver, said RF receiver being configured to receive from an antenna an RF signal comprising a RFID broadcast transmitted by a RFID device; and a differential antenna apparatus comprising said antenna, said differential antenna apparatus being configured to receive and provide said RF signal comprising said RFID broadcast transmitted by said RFID device to said RF receiver; wherein said camera assembly unit is configured to use said optical block to scan a location of said RF signal transmitted by said RFID device while receiving said RF signal from said differential antenna apparatus based on said RF signal received by said differential antenna apparatus; and wherein said camera assembly unit is further configured to provide a visual image signal corresponding to one or more null line of sight (LOS) positions of said optical block of said camera assembly.