| http://www.w3.org/ns/prov#value | - n sensing elements, wherein each of said n sensing elements has a varying width and wherein n is an integer is larger than 2, wherein said n sensing elements are conductive and substantially parallel to a first axis, each of said n sensing elements are located such that said n sensing elements are not required to overlap each other to determine a first location along said first axis of a two-dimen
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