Wireless tag gate reader

Details Wireless tag gate reader Wireless tag gate reader

2007-10-30

2007-10-30

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S810000, C343S754000, C343S757000

Reexamination Certificate

active

11364917

ABSTRACT:
In a wireless tag gate reader that includes a plurality of antenna pairs that is disposed oppositely to each other so as to form a path space where a recognition target with a wireless tag goes through and a wireless tag reader connected to each of the antenna pairs, antenna pairs disposed at both ends of the path space of the wireless tag gate reader are disposed with a tilt angle so as to expand the width at the both ends of the path space.

REFERENCES:
patent: 6448930 (2002-09-01), Judd
patent: 2004/0027284 (2004-02-01), Leeper et al.
patent: 2004/0183726 (2004-09-01), Theobold
patent: 2006/0057397 (2006-03-01), Awad et al.
patent: 2006/0181461 (2006-08-01), Leeper et al.
patent: 2002-271229 (2002-09-01), None

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