Wind instruments with electronic tubing length control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 16, 1997
Grant Date -
N/A
app pub date -
Nov 16, 1994
filing date -
Nov 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wind instrument is provided with electronic tubing control. The wind instrument has at least a pair of an acoustic sensor and an acoustic actuator in a straight pipe portion of a wind instrument and an electronic control for supplying a delayed output of the acoustic sensor to the actuator to electronically control a change in pressure in a pipe by variably changing the delay amount in correspondence with a performance of the instrument thereby electronically changing the pitch of a produced musical tone.
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