Flexible tag agitator

Details Flexible tag agitator Flexible tag agitator

1999-01-05

2000-12-05

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

198341, 1984641, 226 9, 226100, 34082534, G08B 1324, G08B 2100

Patent

active

061573000

ABSTRACT:
Flexible tags are secured to parcels moving upon a conveyor belt. The flexible tags each contain a transponder circuit in electrical communication with a transponder antenna. The transponder circuit contains a unique digital code containing data relating to the parcel. A reader circuit located in proximity to the conveyor is in electrical communication with a reader antenna. The reader circuit generates a signal in the presence of a flexible tag, which is transmitted to the transponder antenna located on the flexible tag. The signal energizes the transponder circuit in the flexible tag, which sends a unique digital code via the transponder antenna back to the reader antenna. The digital code is transmitted from the reader antenna to the reader circuit, where the digital code is analyzed to identify the contents of the parcel. The flexible tags are agitated by forced air from a fan to orient the flexible tags in non-parallel alignment in relation to the reader antenna as they move along a conveyor.

REFERENCES:
patent: 4576286 (1986-03-01), Buckley et al.
patent: 5339962 (1994-08-01), Sommer, Jr. et al.
patent: 5450492 (1995-09-01), Hook et al.
patent: 5819954 (1998-10-01), Lacriola

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