System and method for validating radio frequency...

Communications: electrical – Selective – Interrogation response

Reexamination Certificate

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C340S572100, C340S572800, C340S010500

Reexamination Certificate

active

11229214

ABSTRACT:
A radio frequency identification tag reading/writing station is adapted to be used with a radio frequency identification tag reader/writer in order to read/write radio frequency identification tags on a continuous web of carrier material. The radio frequency identification tag reading/writing station includes a first waveguide to coax adaptor, a second waveguide to coax adapter, and a window assembly having a window therein, the window being sized and shaped such that a tag on the web of carrier material under test is exposed to radio frequency read/write energy, but such that tags on the web of carrier material adjacent to the tag under test are shielded from the radio frequency read/write energy. The first waveguide to coax adapter and the second waveguide to coax adapter are disposed end-to-end with the window assembly being disposed therebetween.

REFERENCES:
patent: 6236223 (2001-05-01), Brady et al.
patent: 6639509 (2003-10-01), Martinez
patent: 2005/0110641 (2005-05-01), Mendolia et al.
patent: 2005/0140457 (2005-06-01), Bellantoni
patent: 2005/0150102 (2005-07-01), Bosco et al.
patent: 2005/0156039 (2005-07-01), Carrender et al.
patent: 2005/0159913 (2005-07-01), Ariyoshi et al.
patent: 2007/0040689 (2007-02-01), Reynolds
International Search Report, Mar. 22, 2007, 6 pages.
N. Marcuvitz, Waveguide Handbook, McGRaw-Hill, New York, (1951), Chapter 5 pp. 218-223.

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