RFID printer and antennas
1 Assignment
0 Petitions
Accused Products
Abstract
A shielded antenna system is provided for reading from and/or writing to an RFID transponder wherein the energy radiated from the antenna system has a narrow beam width so that only one RFID transponder in a record member along a web of record members, each having an RFID transponder, is read from and/or written to without affecting or being affected by any other RFID transponder along the web.
31 Citations
58 Claims
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1-53. -53. (canceled)
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54. A printer for printing on a web of record members having RFID transponders disposed at spaced locations along the length of the web, comprising:
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a platen roll, a thermal print head cooperable with the platen roll and capable of printing on the web, a read and/or write antenna to read and/or write to the transponder, and wherein the platen roll includes a shaft and an elastomeric sleeve received on the shaft, wherein the shaft is comprised of a material which is not RF reflective. - View Dependent Claims (55, 56, 57, 58)
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Specification