Vibration testing system and method using acoustical waves
CA 2276693 A1 · Owner: Thomas, Marc · Inventors: Laville, Frederic; Aube, Jacques; Lafleur, Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vibration testing apparatus using acoustical waves comprises a testing unit including, a main enclosure defining a main acoustical cavity and having a baffle provided with a, main opening which is aligned with a set of acoustical insulation bands receiving an, article to be tested that are clamped on a fixture secured to the baffle so , that the main, opening is substantially closed by the article and the acoustical insulation bands. The, apparatus includes a main acoustical source comprising a main acoustical transducer, such as a loudspeaker which is acoustically coupled to the main acoustical cavity, and, a subsystem for driving the loudspeaker which generates acoustical waves …
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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 June 28, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2021.
- 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.