Surface acoustic wave identification tag having enhanced...

Details Surface acoustic wave identification tag having enhanced... Surface acoustic wave identification tag having enhanced...

2005-07-15

2008-08-05

Kim, Ahshik (Department: 2876)

Registers

Records

Conductive

C235S375000, C235S451000

Reexamination Certificate

active

07407111

ABSTRACT:
A surface acoustic wave (SAW) identification tag and methods of operating and manufacturing the tag. In one embodiment, the tag includes: (1) a piezoelectric substrate having a SAW transducer located thereon, (2) a group of slots arranged by both pulse position and phase position on said substrate; and (3) a number of reflectors distributed among the slots such that the reflectors encode a number by both pulse position and phase position.

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Parent case U.S. Appl. No. 10/024,624, filed Dec. 18, 2001; entitled “Surface Acoustic Wave Identification Tag Having Enhanced Data Content and Methods of Operation and Manufacture Thereof”; to Clinton S. Hartmann; currently allowed on May 26, 2005.

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