Electronic organ having memory circuit

Details Electronic organ having memory circuit Electronic organ having memory circuit

1977-06-10

1979-04-03

Witkowski, Stanley J.

Music

Instruments

84 101, 340365S, G10H 100, G10H 500

Patent

active

041470850

ABSTRACT:
An electronic organ having at least a portion of the keyboard connected with the corresponding keyers by a multiplexing system consisting of a multiplexer at the keyboard end of the system. A control circuit is interposed between the multiplexer and the demultiplexer and is selectively operable for interrupting the change of data in the demultiplexer and, instead, holding therein the data present in the demultiplexer at the time of actuation of the control circuit. The control circuit is adapted to be made ineffective at the will of the player, or by depressing a key in the aforesaid portion of the keyboard. The arrangement permits a player to hold the keyers pertaining to a group of keys from the portion of the keyboard without holding the keys depressed thereby permitting the player to use both hands elsewhere on the keyboard.

REFERENCES:
patent: 4011784 (1977-03-01), Fukui

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