Information coding techniques
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United States of America Patent
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May 10, 2005
Grant Date -
N/A
app pub date -
Aug 16, 2000
filing date -
Aug 16, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Magnetically or optically detectable elements are arranged on a substrate so as to encode information to be stored. An information carrier comprises a plurality of individual detectable elements supported by, or incorporated in, a substrate wherein the spacing between the elements serves to encode the information and is such that it can be represented as A+MG, wherein A is a first fixed value, m is an integer (which may be zero) and G is a second fixed value, characterized in that the values of the integer m, are selected to be integers derived by a predetermined mathematical sequence or a random sequence generator.
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