An RFID system includes a hybrid backscatter-based RFID tag protocol-compatible with
existing 802.11 x/Bluetooth Standards as well as RFID standards. The tag is linked to a multi …

(57) ABSTRACT A system and method for coordinating a plurality of radio frequency
identification (RFID) readers to minimize reader noise and increase reader sensitivity. A first …

An RFID circuit comprises an RF carrier signal source, a hybrid coupled to the RF carrier
signal source operable to generate an in-phase and a quadrature phase component of the …

To overcome limitations in the prior art described above, and to overcome other limitations
that will be apparent upon reading and understanding the present specification, the present …

BACKGROUND 0002 RFID stands for Radio-Frequency IDentification. An RFID
transponder, or tag, serves a similar purpose as a bar code or a magnetic strip on the back …

0002 Although originally rooted largely in linguistics, cryptography today primarily employs
mathematical tech niques to secure information. Encryption is one such tech nique, being …

An RFID reader includes first and second mixers receiving an incoming signal, circuitry for
adding a portion of an outgoing signal to an incoming signal, first and second analog …

BACKGROUND With the advent easily of portable electronics and afford able networking
technology, it has become possible to work (or play) in a variety of locations while retaining …

An integrated circuit (IC) assembly includes circuitry, radio frequency identification (RFID)
tag circuitry, and an antenna structure. The circuitry is operable to perform at least one …

A wireless communication device is provided with both a transceiver and a low-cost RFID
reader. The RFID reader is operable to generate a first outbound radio frequency (RF) signal …