Wireless tag scanning system

Details Wireless tag scanning system Wireless tag scanning system

2006-03-01

2009-06-30

Bugg, George A (Department: 2612)

Communications: electrical

Selective

Interrogation response

C235S385000, C700S214000, C700S221000

Reexamination Certificate

active

07554433

ABSTRACT:
Under the step management of a stepping motor, a move distance of an antenna of a wireless tag scanning device is calculated, and wireless tags are scanned in synchronization with a step move amount. The antenna controls its directivity using shield members etc., and lowers electromagnetic susceptibility in the moving direction. Accordingly, it becomes possible to detect a wireless tag located on a certain position, enabling position management with high resolution.

REFERENCES:
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patent: 7176602 (2007-02-01), Schlenke
patent: 7176799 (2007-02-01), Golicz et al.
patent: 7176802 (2007-02-01), Fukuoka et al.
patent: 7268687 (2007-09-01), Egbert et al.
patent: 2001/0008390 (2001-07-01), Berquist et al.
patent: 2002/0070862 (2002-06-01), Francis et al.
patent: 2005-165473 (2005-06-01), None

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