Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
CA 2286115 A1 · Owner: Azima, Henry · Inventors: Colloms, Martin; Ellis, Christian; Azima, Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle (15) having a passenger compartment having a moulded headlining (1) and a loudspeaker (5) in the passenger compartment characterised by a panel-, form loudspeaker (5) having a member having capability to sustain and propagate input vibrational energy by bending waves in at least one operative area extending transversely of thickness to have resonant mode vibration components distributed over said at least one area and having predetermined preferential locations or sites within said area for vibration exciter means and having a vibration exciter mounted on said member at at least one of said locations or sites to vibrate the member to cause it to resonate forming an …
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 March 19, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2020.
- 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.