RFID tag, antenna, and printer system

Details RFID tag, antenna, and printer system RFID tag, antenna, and printer system

2005-08-16

2005-08-16

Chau, Minh (Department: 2854)

Typewriting machines

Including control of format by programmed-control-system

C400S070000, C400S061000, C340S572100, C340S572700, C101S035000

Reexamination Certificate

active

06929412

ABSTRACT:
An RFID label with embedded tag is passed through an RFID antenna in a printer system, where the RFID antenna allows a roll of such labels to pass in close proximity to the antenna and still allow each individual RFID tag to be read and/or programmed. The RFID antenna is formed with two parallel microstrip transmission lines coupled to an RF phase splitter there between.

REFERENCES:
patent: 5682143 (1997-10-01), Brady et al.
patent: 5940045 (1999-08-01), Belcher et al.
patent: 6246326 (2001-06-01), Wiklof et al.
patent: 6327972 (2001-12-01), Heredia et al.
patent: 6329915 (2001-12-01), Brady et al.
patent: 6366260 (2002-04-01), Carrender
patent: 6621417 (2003-09-01), Duncan et al.
patent: 6812905 (2004-11-01), Thomas et al.

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