prov:value
| - Data arrays having acquisition targets other than the concentric rings taught by Chandler, et al. are known in the art; for example, concentric geometric figures other than rings, such as squares, triangles, hexagons and numerous variations thereof, such as described in U.S. Pat. Nos. 3,513,320, issued to Weldon, on May 19, 1970, and entitled Article Identification System Detecting Plurality of C
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