Method and apparatus for intelligent acoustic signal processing in accordance with a user preference
CA 2584697 C · Owner: Werner, Alan J. Jr. · Inventors: Werner, Alan J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a "smart earplug" capable of selectively adjusting (fig.1 (3O)) the output of an array of acoustic wave generation elements or speakers (54A, 54B) within a user's ear canal in response to input signals (24A, 24B), wherein at least one of the input signals has been at least partially attenuated.
Read the whole patent
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 October 21, 2005 and granted August 26, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 21, 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.
Timeline
Timeline From CIPO dates
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.