Multiple item radio frequency tag identification protocol

Details Multiple item radio frequency tag identification protocol Multiple item radio frequency tag identification protocol

1994-09-12

1996-08-27

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

342 44, 342 51, G01S 1379

Patent

active

055505473

ABSTRACT:
The present invention uses a novel adaptation of a tree splitting algorithm applied to Radio Frequency (RF) tagging technology to identify many tags in the RF field of a base station.
The invention uses the tree splitting algorithm to identify a single tag in a field of a plurality of radio frequency tags. Once the single tag is identified, the identified tag is placed in a Data.sub.-- Exchange state where the base station can access data from the tag memory by using information that identifies the tag.

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Micron RFID Communications Protocol, Jul. 22, 1993, Micron Communications, Inc., pp. 1-71.
Supertag--RF Identification of Grouped Objects, New Product Opportunity, British Technology Group Ltd.
Wireless Symposium at Santa Clara, pp. 407-411.

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