Authentication value for print head die based on analog device electrical characteristics

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United States of America Patent

PATENT NO 9630400
SERIAL NO

15029555

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A print head die includes a storage element. The print head die includes a plurality of analog devices. The storage element is to store an authentication value. The authentication value is generated based on comparisons of the measured electrical characteristics of at least some of the analog devices.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Daryl E Corvallis, US 185 1167
Martin, Eric T Corvallis, US 111 1592
Rice, Huston W Vancouver, US 22 331

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