Frequency broadband measurement of the characteristics of acoustic waves
CA 1307335 C · Owner: Aussel, Jean-Daniel · Inventors: Aussel, Jean-Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Frequency Broadband Measurement of the Characteristics of Acoustic Waves, INVENTOR Jean-Daniel Aussel, ABSTRACT OF THE DISCLOSURE Frequency broadband measurement of the characteristics of acoustic waves propagating in an object is disclosed. A time domain signal processing is described, based on narrow-band filtering of wide-band acoustic wave pulses and cross-corelation which permits to measure both phase and group velocities as a function of frequency.
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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
- Granted September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 2009.
- 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.