Electronic musical instrument having internal fault detection feature
CA 1165600 A · Owner: Baldwin Piano And Organ Company · Inventors: Uetrecht, Dale M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic organ having an internal system for fault detection. Information regarding the actuated keys tab switches, and control switches of the organ is read into a microprocessor which controls tone generators, filters and the like in response, thereto. Upon actuation of a unique set of input switches the, microprocessor branches into a diagnostic routine. In the diagnostic routine, all of the input and output circuits are sequentially tested so that any faults can be isolated. A lighted display associated with one set of the switches provides visual output as to the progress of the test sequence. In addition when a fault is, detected, this lighted display provides information …
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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 April 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2001.
- 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.