Monolithic integrated organ gate circuit

Details Monolithic integrated organ gate circuit Monolithic integrated organ gate circuit

1979-03-12

1980-10-21

Witkowski, S. J.

Communications: electrical

Audible indication

Percussion-type sound producer

84 101, 84DIG7, 84DIG23, 307247A, 307251, 340384E, G10H 1134

Patent

active

042297311

ABSTRACT:
This invention concerns a monolithical integrated organ gate circuit showing a load resistance common to all audio signal currents. For the suppression of any bounces possibly occurring upon the operation of a second key after a first one, there is a rest current coordinated to each audio signal current which rest current is fed to the load resistance when the related key is not operated and which rest current amounts to the mean value of the related audio signal current.

REFERENCES:
patent: 3637915 (1972-01-01), Hirano
patent: 3746775 (1973-07-01), Uchiyama
patent: 3819844 (1974-06-01), Isii
patent: 3861263 (1975-01-01), Okudaira
patent: 4077293 (1978-03-01), Uchiyama
patent: 4085374 (1978-04-01), Nagahama
Funk-Technik, 1972, No. 17, pp. 630 and 632.

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