×

System and method for authentication of replaceable modules

  • US 7,840,998 B2
  • Filed: 05/20/2005
  • Issued: 11/23/2010
  • Est. Priority Date: 05/20/2005
  • Status: Active Grant
First Claim
Patent Images

1. A module comprising:

  • a memory device attached to the module, the module being installable in a machine, the memory device having stored therein electronic data associated with the module, the memory device including a sensory signal output device,whereinwhen the module is not installed in the machine, the sensory signal output device provides a sensory signal indicative of authenticity or inauthenticity of the module in response to a query signal initiated by a user and received by the memory device, the sensory signal indicating whether installation of the module in the machine is authorized,the user is characterized as an individual authorized to initiate the query signal,the query signal is initiated without physical contact between the user and the module, andinauthenticity of the module is characterized by installation of said module being not in accordance with warranty conditions for the machine.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×