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Expired Canadian patentCanada

Method and system for reducing audible side effects of dynamic current consumption

CA 2561881 C · Owner: Emma Mixed Signal C.V. · Inventors: Schneider, Todd; Nielsen, Jakob; Matthey, Marc

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Abstract From the Canadian patent

A method and system for reducing audible side effects of dynamic current consumption is provided. The system includes an audio subsystem and a , plurality of digital subsystems. The audio subsystem and the digital subsystem are powered by a common power supply. The digital subsystem processes data packets including audio data packets. The processing events implemented in one or more than one digital subsystem are reorganized to change the profile for executing the events inside the subsystem(s). The dynamic current spectral properties in one or more digital subsystems are changed.

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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 March 29, 2005 and granted November 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2025.
  • 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.
FiledMarch 29, 2005
GrantedNovember 13, 2012
Term endedMarch 29, 2025
Patent numberCA 2561881 C
Classification (IPC)H04R25/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 29, 2005Patent grantedNov 13, 2012Term endedMarch 29, 2025

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