Bicameral scale musical intonations and recordings made therefrom
CA 2358561 A1 · Owner: Pye, Wilfred T. · Inventors: Pye, Wilfred T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This application relates to various stepped pitch instruments crafted to a novel musical tuning system for the generated frequencies. As such the tone , selection devices are arranged to a distinct set of interval specifications when compared to the tone selection devices for a prior art instrument crafted to sound the common frequencies of 12 tone equal temperament. To generate the bicameral tones, the preferred tuning system utilizes two different series of Pythagorean perfect fifths separated by a known reference interval. Relative to 12 tone, the instant tuning system is primarily concerned with improving the sour major and minor thirds and perfecting the slightly flat fifths. …
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 January 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 2022.
- 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.