Graphics processing system employing embedded code signals
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United States of America Patent
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Jun 16, 1998
Issued Date -
N/A
app pub date -
Oct 21, 1994
filing date -
Nov 18, 1993
priority date (Note) -
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Abstract
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned and the carrier thereby identified. The method and apparatus are characterized by robustness despite degradation of the encoded carrier, and by holographic permeation of the identification signal throughout the carrier. An exemplary embodiment is a processor that embeds the identification signal onto a carrier signal in real time.
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