Music – Instruments
Patent
1980-06-24
1982-08-03
Truhe, J. V.
Music
Instruments
84 122, 84 126, G10H 300
Patent
active
043422462
ABSTRACT:
An electric piano has a complete player actuated piano voice of which harmonics are basically controlled by a tuning fork that is struck by the piano key. The piano is also provided with an electronically generated voice of which harmonics are electronically generated. To better enable the two voices to be played simultaneously by striking a single piano key, the amplitude envelope of the electromechanically generated piano voice is imposed upon the electronically generated voice which is gated and amplitude modulated so as to be heard in precise synchronization with a piano note produced by the instrument player. Linearity of modulation is extended to low piano voice amplitudes by use of modulating and gating diodes in oppositely poled feedback paths of an operational amplifier.
REFERENCES:
patent: Re27015 (1970-12-01), Dijksterhuis et al.
patent: 1992438 (1935-02-01), Miessner
patent: 2561349 (1951-07-01), Earp
patent: 2625659 (1953-01-01), Mendelson
patent: 2641753 (1953-06-01), Oliwa
patent: 3000252 (1961-09-01), Wayne
patent: 3160694 (1964-12-01), Meinema
patent: 3248470 (1966-04-01), Markowitz et al.
patent: 3267196 (1966-08-01), Welsh et al.
patent: 3306969 (1967-02-01), Barber
patent: 3374316 (1968-03-01), Slaats
patent: 3429976 (1969-02-01), Tomcik
patent: 3444306 (1969-05-01), Peterson
patent: 3445579 (1969-05-01), Markowitz et al.
patent: 3476863 (1969-11-01), Campbell
patent: 3510565 (1970-05-01), Morez
patent: 3514522 (1970-05-01), Mussulman
patent: 3588310 (1971-06-01), Gschwandtner
patent: 3629484 (1971-12-01), Suzuki
patent: 3637913 (1972-01-01), Evans
patent: 3644656 (1972-02-01), Fender et al.
patent: 3651242 (1972-03-01), Evans
patent: 3659032 (1972-04-01), May
patent: 3711617 (1973-01-01), Evans
patent: 3746774 (1973-07-01), Adachi
patent: 3748367 (1973-07-01), Lamme et al.
patent: 3886834 (1975-06-01), Okamoto
patent: 3911776 (1975-10-01), Beigel
patent: 3973461 (1976-08-01), Jahns
patent: 4161128 (1979-07-01), Yamada et al.
patent: 4195544 (1980-04-01), Koike
patent: 4202237 (1980-05-01), Hakansson
Murphy James B.
Rhodes Harold B.
CBS Inc.
Isen Forester W.
Truhe J. V.
LandOfFree
Multiple voice electric piano and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multiple voice electric piano and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple voice electric piano and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1464243