Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jefferson P. Ward0
Stephen D. Panshin0
Date of Patent
February 7, 2017
0Patent Application Number
149108160
Date Filed
August 30, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In an example implementation, a print supply cartridge comprises a microcontroller to receive a timing challenge and enable authentication of the cartridge by providing a challenge response. The challenge response is provided in a challenge response time that falls within an expected time window.
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