Method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit
First Claim
Patent Images
1. A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit, comprising:
- determining whether a usage threshold has been reached by said cartridge;
determining whether said cartridge was previously installed in said imaging apparatus; and
determining that said cartridge is potentially counterfeit if said usage threshold has been reached and said cartridge was not previously installed in said imaging apparatus.
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0 Petitions
Accused Products
Abstract
A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit includes determining whether a usage threshold has been reached by the cartridge; determining whether the cartridge was previously installed in the imaging apparatus; and determining that the cartridge is potentially counterfeit if the usage threshold has been reached and the cartridge was not previously installed in the imaging apparatus.
59 Citations
40 Claims
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1. A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit, comprising:
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determining whether a usage threshold has been reached by said cartridge; determining whether said cartridge was previously installed in said imaging apparatus; and determining that said cartridge is potentially counterfeit if said usage threshold has been reached and said cartridge was not previously installed in said imaging apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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- 10. A method for detecting whether a cartridge installed in an imaging apparatus is counterfeit, comprising determining whether a cartridge identification number associated with said cartridge is on a counterfeit list that is stored in a memory associated with one of said imaging apparatus and a host computer communicatively coupled with said imaging apparatus.
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13. The method for detecting whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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determining whether a cartridge identification number associated with said cartridge is on a counterfeit list; and performing an authentication of said counterfeit list.
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14. A method for detecting whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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determining whether a cartridge identification number associated with said cartridge is on a counterfeit list, wherein said counterfeit list is a first counterfeit list; receiving a second counterfeit list intended as a replacement for said first counterfeit list and a corresponding second version number; and performing an authentication of said second counterfeit list. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method for detecting whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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determining whether a cartridge identification number associated with said cartridge is on a counterfeit list; and updating said counterfeit list when one of said imaging apparatus and a host computer communicatively coupled with said imaging apparatus contacts via a network a server associated with at least one of a manufacturer, a distributor, and a retailer of at least one of said imaging apparatus and said cartridge.
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21. An imaging apparatus that detects whether a cartridge installed in said imaging apparatus is potentially counterfeit, comprising:
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a print engine configured to mount said cartridge; and a controller communicatively coupled to said print engine, said controller being configured to execute instructions for; determining whether a usage threshold has been reached by said cartridge; determining whether said cartridge was previously installed in said imaging apparatus; and determining that said cartridge is potentially counterfeit if said usage threshold has been reached and said cartridge was not previously installed in said imaging apparatus. - View Dependent Claims (22, 23, 24, 25, 26, 28)
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27. The method of imaging apparatus 26, wherein said determining if said cartridge identification number associated with said cartridge is stored in said memory includes:
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reading said cartridge identification number from a cartridge memory associated with said cartridge; comparing said cartridge identification number to a previous cartridge list stored in said memory of said imaging apparatus; and determining that said cartridge was not previously installed in said imaging apparatus if said cartridge identification number is not on said previous cartridge list.
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29. The method of imaging apparatus 28, further comprising a previous cartridge list stored in said memory, wherein said determining if said cartridge identification number associated with said cartridge is stored in said memory includes:
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reading said cartridge identification number from a cartridge memory associated with said cartridge; comparing said cartridge identification number to a previous cartridge list stored in said memory of said imaging apparatus; and determining that said cartridge was not previously installed in said imaging apparatus if said cartridge identification number is not on said previous cartridge list.
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30. An imaging apparatus that detects whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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a print engine configured to mount said cartridge; and a controller communicatively coupled to said print engine, said controller being configured to execute instructions for determining whether a cartridge identification number associated with said cartridge is on a counterfeit list that is stored in a memory associated with one of said imaging apparatus and a host computer communicatively coupled with said imaging apparatus. - View Dependent Claims (31, 32)
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33. An imaging apparatus that detects whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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a print engine configured to mount said cartridge; and a controller communicatively coupled to said print engine, said controller being configured to execute instructions for determining whether a cartridge identification number associated with said cartridge is on a counterfeit list, and said controller being configured to execute instructions for performing an authentication of said counterfeit list.
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34. An imaging apparatus that detects whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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a print engine configured to mount said cartridge; and a controller communicatively coupled to said print engine, said controller being configured to execute instructions for determining whether a cartridge identification number associated with said cartridge is on a counterfeit list, wherein said counterfeit list is a first counterfeit list having a first version number, said controller being configured to execute instructions for; receiving a second counterfeit list intended as a replacement for said first counterfeit list and a corresponding second version number into a memory; and performing an authentication of said second counterfeit list. - View Dependent Claims (35, 36, 37, 38, 39)
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40. An imaging apparatus that detects whether a cartridge installed in an imaging apparatus is counterfeit, comprising:
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a print engine configured to mount said cartridge; and a controller communicatively coupled to said print engine, said controller being configured to execute instructions for determining whether a cartridge identification number associated with said cartridge is on a counterfeit list, and said controller being configured to execute instructions for updating said counterfeit list when one of said imaging apparatus and a host computer communicatively coupled with said imaging apparatus contacts via a network a server associated with at least one of a manufacturer, a distributor, and a retailer of at least one of said imaging apparatus and said cartridge.
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Specification