Method and apparatus for setting an aural prosthesis to provide specific auditory deficiency corrections
CA 1050151 A · Owner: Hearing Health Group · Inventors: Blackledge, Vernon O.; Rohrer, John S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for setting or adjusting an aural prosthesis, such as a hearing aid, in order to provide compensatory amplification or attenuation for aurally handicapped persons such that the prosthesis compensates for the specific auditory deficiencies of that person. The apparatus includes a master hearing aid having one or more adjustable gain controls for determining the person's preferred word discrimination levels for a plurality of frequency bands. As the master hearing aid is set at the person's preferred level for each separate band, a reciprocal control coupled to each master control is adjusted at the same time. A hearing aid is then selected having an acuity deficiency correction …
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 1996.
- 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.