Patent Suit Roils RFID Standards Groups

By eweek  |  Posted 2004-06-10 Print this article Print

Intermec Technologies Corp. sues Matrics Inc. for RFID patent infringement.

RFID vendor Intermec Technologies Corp. is suing rival Matrics Inc. for patent infringement. One of the Intermec patents cited in the litigation covers a method of identifying the source of a particular data stream from among several tags. Another covers a means of synchronizing a chip by the frequency of its base station modulation. A third covers a method of communicating with RF transponders and a fourth covers a means of producing the radio frequency circuit and memory in a thin flexible package.

The lawsuit comes as a new RFID standard is being developed. EPCglobal, a not-for-profit standards organization, is developing a universal electronic product code system and a global network to enable real-time, automatic identification of items in the supply chain.

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