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Expired Canadian patentCanada

Printer thermal response calibration system

CA 2594744 C · Owner: Mitcham Global Investments Ltd. · Inventors: Saquib, Suhail S.

CIPO record

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Abstract From the Canadian patent

Techniques are disclosed herein for estimating parameters of a model of a thermal print head for use in performing thermal history control. In particular, techniques are disclosed for use in conjunction with a thermal print head having a plurality of print head elements and an associated heat sink. A sensitivity of a thermal print media to a temperature of the heat sink is identified. A sensitivity of the thermal print medium to a temperature of the plurality of print head elements is then identified based on the identified sensitivity of the thermal print medium to the temperature of the heat sink. Techniques are also disclosed for deriving conditions on estimated parameters of …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed January 13, 2006 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 13, 2006
GrantedSeptember 18, 2012
Term endedJanuary 13, 2026
Patent numberCA 2594744 C
Classification (IPC)B41J2/36

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 13, 2006Patent grantedSep 18, 2012Term endedJan 13, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.