Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2008-09-05
2010-10-26
Warren, David S. (Department: 2832)
Music
Instruments
Electrical musical tone generation
C084S653000, C084S658000, C084S687000
Reexamination Certificate
active
07820903
ABSTRACT:
An electronic percussion instrument can carry out the control of the musical tones that is intended by the performer. The instrument includes electronic controls that set a vibration flag when the instrument is struck and a determination is made as to whether or not a timer has timed a specified time period. If the timer has timed the specified time period, the vibration flag that is stored in the flag memory is reset. If the time period has not been reached, the displacement sensor processing ends and the routine returns to the main processing. In those cases where the vibration flag is not set, or in those cases where the resetting of the vibration flag has completed, a determination is made as to whether or not the upper cymbal has shifted from an open position to the closed position.
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Foley & Lardner LLP
Roland Corporation
Warren David S.
LandOfFree
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