RFID tire tag test fixture and method

Details RFID tire tag test fixture and method RFID tire tag test fixture and method

2011-08-16

2011-08-16

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572800, C340S010100, C340S005610, C340S005700, C340S442000, C340S445000, C340S447000, C340S448000, C235S375000, C235S380000, C235S382000, C235S385000, C235S492000

Reexamination Certificate

active

07999684

ABSTRACT:
A test fixture and electronic tag assembly includes an electronic tag comprising an electronic device and a half wave dipole antenna of antenna length L. The antenna is configured as first and second coiled dipole antenna segments connecting with and extending in opposite directions from the electronic device. The assembly further includes a support frame; first and second electrically conductive pads positioned in spaced apart relationship within the support frame; and apparatus for fixedly holding end segments of the first and second coiled dipole antenna segments respectively against the first and second conductive pads in an overlapping relationship. A combined length of the first and second coiled dipole antenna segments and the conductive pads less the length of the overlapping end segments define a calculated effective antenna length for operative utility in performance measurement of the electronic tag in air analogous with the performance of the performance of the tag in a non-air medium such as in a tire. The spacing between the conductive pads may be selectively altered to accommodate the testing of tags of varying lengths within the fixture.

REFERENCES:
patent: 7102499 (2006-09-01), Myatt
patent: 7453407 (2008-11-01), Logan et al.
patent: 2003/0221766 (2003-12-01), Strache et al.

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