Use of RFIDs to measure flow-rates of materials flowing...

Details Use of RFIDs to measure flow-rates of materials flowing... Use of RFIDs to measure flow-rates of materials flowing...

2011-08-23

2011-08-23

Mehmood, Jennifer (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S609000, C340S010100, C073S861050

Reexamination Certificate

active

08004414

ABSTRACT:
Material passing through a piping is laced with Radio Frequency Identification (RFID) tags. As the RFID tags pass an RFID sensor, which is either adjacent to or within the piping, a flow-rate of the material is determined by counting the rate at which the RFID tags pass the RFID sensor.

REFERENCES:
patent: 4827395 (1989-05-01), Anders et al.
patent: 7452444 (2008-11-01), Lawrence et al.
patent: 7669484 (2010-03-01), Slater et al.
patent: 2002/0130780 (2002-09-01), McQueen et al.
patent: 2006/0243643 (2006-11-01), Scott et al.

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