Electronic keyboard instrument
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United States of America Patent
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-
Jul 7, 1981
Grant Date -
N/A
app pub date -
Apr 3, 1979
filing date -
Apr 3, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic keyboard instrument generates signals of frequencies respectively corresponding to keys by depressing the keys of a keyboard from a signal source, and reproduces a musical note corresponding to the generated signal. The frequency spectrum of an external signal is detected and used to control the frequency spectrum of the generated signal to cause the frequency spectrum of the generated signal to approximate that of the external signal.
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