Spam fax filter
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United States of America Patent
Stats
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Feb 27, 2007
Grant Date -
Feb 10, 2005
app pub date -
Aug 8, 2003
filing date -
Aug 8, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spam fax filter which has been configured in accordance with the present invention can include a fax transformation processor configured to transform rasterized fax images into non-rasterized representations of fax images. The spam fax filter further can include a knowledge base of known spam characteristics. Finally, the spam fax filter can include a comparator configured to compare non-rasterized representations of fax images produced by the fax transformation processor to the characteristics in the knowledge base to detect spam fax in the spam fax filter.
First Claim
Family
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Cited Art Landscape
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