Large scale integrated circuit chip for an electronic organ

Details Large scale integrated circuit chip for an electronic organ Large scale integrated circuit chip for an electronic organ

1978-06-20

1981-03-03

Witkowski, Stanley J.

Music

Instruments

84 126, 84DIG12, 84DIG22, 84DIG23, G10H 138, G10H 140, G10H 500

Patent

active

042533660

ABSTRACT:
In a modular, expandable organ system comprising a plurality of large scale integrated circuit (LSI) chips an LSI chip is provided which produces chord and bass frequency generation and identification. It automatically coordinates with another chip in rhythm production. It incorporates frequency generators, identifies a chord played, and provides keyers for chord notes.

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patent: 3515792 (1970-06-01), Deutsch
patent: 3639913 (1972-02-01), Watson
patent: 3696201 (1972-10-01), Arsem et al.
patent: 3706837 (1972-12-01), Arsem et al.
patent: 3715442 (1973-02-01), Freeman
patent: 3828109 (1974-08-01), Morez
patent: 4033221 (1977-07-01), Tomisawa
patent: 4046047 (1977-09-01), Roberts
patent: 4055103 (1977-10-01), Machanian
patent: 4116102 (1978-09-01), Tsunoo
patent: 4137810 (1979-02-01), Wheelwright
patent: 4138916 (1979-02-01), Kitagawa
patent: 4138918 (1979-02-01), Kato
patent: 4148241 (1979-04-01), Morez et al.

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