Electronic or pipe organ switching system - uses read and write unit with storage unit to enable rapid changes of tone colour to be produced by player

摘要

The switching system for an electronic or pipe organ enables the organist to change quickly from one tone colour to another. The system includes a memory or storage unit with its input connected to a control unit forming a read/write device. The combination of switches if entered by an intermediate unit into the control unit for an automatic registration. The storage unit may be a magnetic bubble memory, so that after disconnection, the contents remain preserved and do not require the action of a battery powered buffer store.