Electronic keyboard musical instrument and a method of operating the same
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United States of America Patent
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-
Feb 24, 1987
Grant Date -
N/A
app pub date -
May 21, 1984
filing date -
May 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic keyboard musical instrument is operated by a main system computer in a manner dependent on the settings of input elements. A plurality of tone modules are used, each of which comprises a subsystem computer including a subsystem bus, a memory and a microprocessor. Data is exchanged between the main system computer and a subsystem computer through a bus switch which alternately connects the subsystem memory with the main system bus and the subsystem bus. This allows for an effectively 'real time' exchange of data between the main system and the subsystem.
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