Auscultatory training system
CA 2382786 A1 · Owner: Mckinney, Walter G. · Inventors: Mckinney, Walter G.; Goldsmith, William T.; Frazer, David G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to a disclosed embodiment, an auscultatory training apparatus includes a, database of pre-recorded physiological sounds stored on a computer for playing on a playback, system. A user-friendly graphical user interface software program is stored on the computer, for use with a conventional computer mouse. The program allows a user to select one of the, pre-recorded sounds for playback. In addition the program is operable to , generate an inverse model of the playback system in the form of a digital filter. If employed by the user, the inverse, model processes the selected sound to cancel the distortions of the playback system so that the, sound is accurately reproduced in the …
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 April 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 22, 2024.
- 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.