Random binary sequence generator
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United States of America Patent
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Issued Date -
Jun 28, 2007
app pub date -
Nov 8, 2004
filing date -
Nov 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to the invention, the sequence is produced from a fingerprint sensor and an analog-to-digital converter. The random binary sequence is produced from low order bits from the converter. Said sensor comprises a matrix of preferably pyroelectric detectors. The order of the bits is scrambled by a reorganization circuit, and means are provided for balancing the distribution of 0 and 1 bits in the sequence produced.
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