Typewriting machines – Including control of format by programmed-control-system
Reexamination Certificate
2005-05-31
2005-05-31
Chau, Minh (Department: 2854)
Typewriting machines
Including control of format by programmed-control-system
C400S070000, C400S061000, C340S572100, C340S572700, C101S035000
Reexamination Certificate
active
06899476
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 module is formed with a transmission line coupled to an RF phase splitter, where in one embodiment, the transmission line is formed from two parallel conductive strips.
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.
Barrus Gordon B.
Concepcion Jr. Rudy
Edwards Andrew W.
Gibbs Duane C.
Schumaker Richard E.
Chau Minh
Chen Tom
MacPherson Kwok & Chen & Heid LLP
Printronix, Inc.
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