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| Number | Title | Issue Date |
| 7773945 | RFID reader front end An RFID reader analog front end architecture employs multiplexed use of a single analog to digital converter in order to digitize the inphase and quadrature components of the incoming signal from the reader's receiving antenna. The Type 1 architecture includes an an... | 08/10/2010 |
| 7724141 | Dynamically reconfigurable antennas for RFID label encoders/readers A dynamically reconfigurable antenna system for an RFID (Radio Frequency Identification) reader/encoder includes a plurality of antenna elements; and a mechanism constructed and adapted to dynamically and selectively configure said plurality of antenna elements duri... | 05/25/2010 |
| 7706764 | Systems and methods for active noise cancellation in an RFID tag reader Systems and methods for providing active noise cancellation in an RFID tag reader are described. In one aspect, the method features increasing the signal-to-noise-plus-interference ratio of a radio frequency tag response. The method includes receiving, with a first ... | 04/27/2010 |
| 7683780 | Methods and apparatus for RFID tag placement Systems and methods for placing RFID tags on objects are shown and described. The method includes scanning an object and analyzing one or more reflected signals from the to determine a suggested location for placement of an RFID tag. The scan can be accomplished usi... | 03/23/2010 |
| 7453363 | RFID reader system incorporating antenna orientation sensing An RFID (Radio Frequency Identification) reader system has a sensor system associated with its antenna system. The sensor system determines one or more of an orientation, position, velocity, motion and acceleration of antenna elements in said antenna system. The rea... | 11/18/2008 |
| D533178 | Radio frequency identification tag reader | 12/05/2006 |
