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Expired Canadian patentCanada

System and method for controlling luminaires

CA 2521973 C · Owner: Tir Technology Lp · Inventors: Ashdown, Ian

CIPO record

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Abstract From the Canadian patent

The present invention provides a programmable lighting system comprising a plurality of light-emitting elements and a controller responsive to a hierarchically encoded data input stream. The controller determines and provides appropriate control signals for controlling the characteristics of the light generated by the plurality of light-emitting elements operatively coupled thereto. The data input stream may use a DMX512 or other network protocol and can be hierarchically encoded by varying the value of the START code of the data packets. When a DMX512 or other data packet with a NULL START code or "color" packet is received by the controller the controller interprets the frames to be …

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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 September 29, 2005 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 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.
FiledSeptember 29, 2005
GrantedDecember 10, 2013
Term endedSeptember 29, 2025
Patent numberCA 2521973 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 29, 2005Patent grantedDec 10, 2013Term endedSep 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.