Digital semiconductor circuit for an electronic organ

Details Digital semiconductor circuit for an electronic organ Digital semiconductor circuit for an electronic organ

1981-06-26

1984-01-31

Isen, F. W.

Music

Instruments

84445, 84DIG23, G10H 100

Patent

active

044282672

ABSTRACT:
A digital semiconductor circuit for an electronic organ has a plurality of control inputs addressed via a keyboard and corresponding in number to the number of keys of the organ keyboard, and a plurality of audiofrequency signal inputs addressed with periodic electrical oscillations by an oscillator system. Each control input is associated with a respective key of the keyboard and each audiofrequency signal input is permanently assigned with a respective tone frequency of the highest octave of the organ. The control signals serve to address the control inputs by the keys of the keyboard corresponding to logical levels "1" and "0." The circuit further includes a number t of divider stages in a frequency divider at least equal to a number q of the octaves in the organ keyboard. A number u of a plurality of AND gates in a given group of AND gates is greater than the number q of the octaves in the organ keyboard. All of the AND gates of the given group have signal inputs, and at least one setting input is connectible via a switch to the logical level "1" by an individual playing the organ so as to address the signal inputs of these AND gates.

REFERENCES:
patent: 4055103 (1977-10-01), Machanian
patent: 4059039 (1977-11-01), Carlson
patent: 4083286 (1978-04-01), Faulkner
patent: 4108038 (1978-08-01), Aoki
patent: 4204453 (1980-05-01), Gross
patent: 4319511 (1982-03-01), Kato et al.

Affiliated with

Also associated with

Rating

Digital semiconductor circuit for an electronic organ does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital semiconductor circuit for an electronic organ, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital semiconductor circuit for an electronic organ will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2340432