Channel processor
CA 1184408 B · Owner: Nippon Gakki Seizo Kabushiki Kaisha · Inventors: Tomisawa, Norio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A truncation system is provided for an electronic musical instrument in which key codes are stored in channels of a key code memory and are repetitively provided to a time shared tone generator in time shared fashion during respective channel related time slots of consecutive cycle periods. The truncation system detects when a key code, has been assigned to all of the channels in the key code memory and a new key is depressed, a channel in which attenuation of the tone of a released key has advanced to the furthest degree and thereon produces a truncate channel designation signal designating that channel. The channel designation signal is applied to a set and reset signals generator circuit …
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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 October 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 9, 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.