Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 17, 2012
Patent Application Number
10877672
Date Filed
June 25, 2004
Patent Citations Received
Patent Primary Examiner
Patent 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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