Data processing: financial – business practice – management – or co – Business processing using cryptography – Postage metering system
Reexamination Certificate
2005-12-20
2005-12-20
Backer, Firmin (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Postage metering system
C705S050000, C705S055000, C347S032000, C399S012000
Reexamination Certificate
active
06978255
ABSTRACT:
In a method and apparatus for protecting a device against operation with unallowed consumables whose authenticity is checked in a remote data center, at least one code word is generated, an allocation to a specific consumable is stored in the form of a dataset with a reference code word, the consumable is aggregated with the generated code word, which has a predetermined relationship to the reference code word or to a group of reference code words that are stored in the data center. An operation for the replacement of a consumable in a device remote from the data center is detected and a communication connection is set up between the device and the remote data center and the code word aggregated with the consumable is communicated to the data center. The communicated code word is received in the data center and the authenticity of the consumable on the basis of a stored reference code word is checked at the data center, which transmits a message to the device after checking the code.
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Pauschinger Dieter
Thiel Wolfgang
Turner Olaf
Windel Harald
Backer Firmin
Francotyp-Postalia AG & Co.
Schiff & Hardin LLP
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