Music synthesizer
CA 1302747 C · Owner: Randall, Ronald H. Jr. · Inventors: Ragin, John C. Iii; Rose, Floyd D.; Rose, Floyd D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A music synthesizer is constructed according to a modular scheme with plural, substantially interchangeable voice units. During operation these voice units are used to simulate different instruments. The voice units operate under control of a master computer, and take waveform data from a common memory through a common digital data bus. The actions of each voice unit in simulating a note are controlled according to a plurality of control parameters. These control parameters are derived by interpolating between plots of each control parameter versus time for a weak actuation (soft note) and a strong actuation (hard note) condition. The synthesizer is arranged to simulate the effects caused …
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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.