Method and device for control of a unit for reproduction of an acoustic field
CA 2477450 C · Owner: Bruno, Remy · Inventors: Montoya, Sebastien; Laborie, Arnaud; Bruno, Remy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Said method for control of a reproduction unit (2) for an acoustic field with a number of reproduction elements (3¿1? to 3¿N?) is characterised in comprising:- a step for establishing a finite number of coefficients representative of the temporal distribution and in the three spatial dimensions of said acoustic field a step for determination of representative reconstruction filters for said reproduction unit (2) and at least the spatial configuration of said reproduction unit (2); a step for determination of at least one control signal (SC¿1? to SC¿N?) for said elements (3¿1? to 3¿N?) by the application of said coefficients to said reconstruction filters and a step for providing said at …
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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 February 25, 2003 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.