Process for detecting an acoustic source and an acoustic emission monitoring apparatus
CA 1194977 A · Owner: Cgr · Inventors: Audenard, Bernard; Marini, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process and an apparatus which by detection of at least two propagation or polarization modes of the same acoustic wave allows a signal to be elaborated whose duration is representative of the difference in detection time between the two modes. The result allows the acoustic source to be located and the nature thereof to be given.
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
- Granted October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
- 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.