RFID reader having multi-dimensional antenna array

Details RFID reader having multi-dimensional antenna array RFID reader having multi-dimensional antenna array

2007-04-17

2007-04-17

Pham, Toan N. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572700, C340S010510, C343S893000

Reexamination Certificate

active

11062815

ABSTRACT:
An RFID reader having a multi-dimensional antenna array makes use of electronic circuits to change the antennas or coils of an RFID device to form a multi-dimensional antenna array, thereby accomplishing detection of the ID codes of RFID tag devices in a scanning way of the RFID technology. This scanning method can also actively discriminate the locations of RFID tag devices. The RFID reader having a multi-dimensional antenna array can scan a plurality of RFID tag devices, and can also effectively discriminate the locations of these RFID tag devices.

REFERENCES:
patent: 6762726 (2004-07-01), Alden et al.
patent: 6825816 (2004-11-01), Aikawa et al.

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