Identification device and method

Details Identification device and method Identification device and method

2005-09-14

2009-06-16

Paik, Steven S (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S492000, C235S462090, C235S487000, C343S718000, C343S872000

Reexamination Certificate

active

07546948

ABSTRACT:
The invention provides an identification device and method. The device includes a pattern adapted and configured to be read optically by a reader to obtain information. The pattern is formed at least in part by electrically conductive material. The device also includes a resonant circuit configured to resonate at a resonant frequency, the resonant circuit formed at least in part from the electrically conductive material of the pattern. The device may include a plurality of conductive members and may be adapted and configured to be read optically by a bar code reader. The plurality of parallel conductive members may be formed in a serpentine pattern or a continuous winding pattern, among others. The resonant circuit may also be configured to act as a dipole. Each of the conductive members may be connected by a straight conductor at an end of each of the conductive members.

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