Key assignor

Details Key assignor Key assignor

1980-03-31

1981-05-26

Truhe, J. V.

Music

Instruments

84DIG2, 340365S, G10H 100, G08C 900

Patent

active

042691028

ABSTRACT:
A key assignor for electronic musical instruments which has a keyboard multiplexer including a memory for temporarily storing the state of key depression on a keyboard, a key priority circuit group operating to output only key information of top priority while inhibiting the other key information outputs in accordance with priority of keys of the keyboard and to output key information of the next priority after being reset, and a multiplex code generator for generating the key code corresponding to the key being depressed, a channel assignor for giving priority to channels to assign thereto the key code from the keyboard multiplexer, and a key code memory for storing the key code from the keyboard multiplexer based on a channel assign signal generated from the channel assignor.

REFERENCES:
patent: 3882751 (1975-05-01), Tomisawa et al.
patent: 3981217 (1976-09-01), Oya
patent: 4041825 (1977-08-01), Pascetta et al.
patent: 4041826 (1977-08-01), Oya
patent: 4138916 (1979-02-01), Kitagawa
patent: 4138917 (1979-02-01), Sakashita et al.
patent: 4148017 (1979-04-01), Tomisawa
patent: 4170768 (1979-10-01), Kitagawa
patent: 4194425 (1980-03-01), Kitagawa

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