Method of authenticating a consumable in an imaging device
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United States of America Patent
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Jan 17, 2012
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N/A
app pub date -
Jun 25, 2004
filing date -
Jun 25, 2004
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Abstract
A method of generating an authentication code for a consumable in an imaging device, includes the steps of: an identification number assigned to the consumable; processing an indemnification number assigned to the consumable using a first algorithm to generate a preliminary number different from the identification number; and compressing the preliminary number using a compression algorithm that utilizes the identification number to generate the authentication code.
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