Imaging system for detecting underground and underwater objects and associated method
CA 2324084 A1 · Owner: Wilk, Peter J. · Inventors: Wilk, Peter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for detecting hidden objects utilizes a plurality of electromechanical transducers including at least one electroacoustic pressure wave generator (88) and at least one acoustoelectric sensor (92) above a selected ground or water surface or a surface of an object located underground or underwater. Accordingly, the method is useful for detecting underground or underwater objects. Pursuant to the method locations of the transducers , relative to one another are determined the pressure wave generator is , energized to produce an outgoing pressure wave and the outgoing pressure wave , is transmitted through the selected surface. Incoming pressure waves are detecting which are …
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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 March 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 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
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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.