(19)
(11) EP 0 282 458 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.01.1990 Bulletin 1990/03

(43) Date of publication A2:
14.09.1988 Bulletin 1988/37

(21) Application number: 88830035.7

(22) Date of filing: 02.02.1988
(51) International Patent Classification (IPC)4: G10H 1/38
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR LI LU NL SE

(30) Priority: 06.02.1987 IT 60487

(71) Applicant: KETRON S.r.l.
I-60020 Candia (AN) (IT)

(72) Inventors:
  • Leonardi, Maurizio
    Via d'Ancona 35/L (IT)
  • Falcioni, Mario
    Via Cialdini 50 (IT)
  • Robert, John Wiley
    101 Wichita Kansas 67217 (US)

(74) Representative: Baldi, Claudio 
Piazza Ghislieri, 3
60035 Jesi (Ancona)
60035 Jesi (Ancona) (IT)


(56) References cited: : 
   
       


    (54) Automatic apparatus for the simultaneous reproduction of notes with preset musical frequency intervals provided by look-up tables


    (57) This invention concerns a machine capable of automatically and sim­ultaneously reproducing one or more notes between which there is a pre-set frequency interval, set and taken from look-up tables contain­ing all musically correct harmonies that can be matched with any note, played or sung within the scope of the chord and type of chord chosen.







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