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| Number | Title | Issue Date |
| 4240317 | Electronic musical instrument An electronic organ having an improved note generator, an improved control logic circuit for assigning note generators to generate output frequency signals corresponding to selected notes in accordance with the availability of the note generators, and an ... | 12/23/1980 |
| 4217804 | Electronic musical instrument with automatic arpeggio performance device An electronic musical instrument having a channel processor. The channel processor includes a tone production assignment circuit and an automatic arpeggio circuit. The tone production assignment circuit includes a key code memory circuit of a plurality of... | 08/19/1980 |
| 4206675 | Cybernetic music system A cybernetic music system is provided that comprises digitized music-information input capable of transmitting in real time the required music information over a narrow bandwidth channel. The system includes a peripheral music synthesizer and audio output... | 06/10/1980 |
| 4202236 | Chord pattern generator Circuitry for generating rhythmic patterns of notes corresponding to notes of a selected chord wherein tone signals according to the notes of the selected chord are connected to the inputs of keyers each time a chord playing key is depressed and control a... | 05/13/1980 |
| 4192211 | Electronic musical instrument A tone production assignment circuit produces control information representing assigned key code, key-on etc. Such information has a large number of bits with respect to each channel. A multiplexing circuit has output lines the number of which is smaller ... | 03/11/1980 |
| 4184401 | Electronic musical instrument with automatic bass chord performance device An electronic musical instrument comprises an upper keyboard channel, a lower keyboard channel and a pedal keyboard channel. The lower keyboard channel includes a tone gate which is actuated by a chord rhythm pattern pulse generated by an automatic rhythm... | 01/22/1980 |
| 4183276 | Pedal teaching aid for an electronic musical instrument A pedal teaching system for an electronic musical instrument, specifically an electronic organ. In the rehearse mode of operation the system rhythmically energizes selected ones of a plurality of lights mounted above the pedal clavier to illustrate which ... | 01/15/1980 |
| 4166405 | Electronic musical instrument An electronic musical instrument is of a type wherein musical tone waveforms are stored in a memory as their sampled amplitudes and sequentially and repetitively read out to constitute tone waveforms. A key depression brings forth key code in a digital re... | 09/04/1979 |
| 4158978 | Electronic musical instrument capable of producing "chord pyramid" arpeggio effects An electronic musical instrument capable of producing a performance effect resembling arpeggio. Tones corresponding to one or more depressed keys are sequentially produced from the lowest tone or the highest tone and an octave range in which tones are pro... | 06/26/1979 |
| 4152965 | Organ circuit and method of operation An organ circuit and method of operation in which a detecting system detects combinations of keys played in the accompaniment portion of the keyboard arrangement of an electronic organ and through associated circuitry causes a respective chord to sound re... | 05/08/1979 |
| 4148241 | Electronic musical instrument with means for automatically generating chords and harmony An electronic musical instrument incorporates a single integrated circuit chip for performing a variety of logical operations for the production of chords and various accompaniment signals automatically, in response to depression of one or two keys within... | 04/10/1979 |
| 4059039 | Electrical musical instrument with chord generation An electronic organ includes logic and a memory for detecting and storing a root note signal identifying a chord which has been either automatically or manually generated. Priority logic, coupled with the memory, passes the lowest root note signal to a to... | 11/22/1977 |
| 4019417 | Electrical musical instrument with chord generation An electronic organ includes logic and a memory for detecting and storing a root note signal identifying a chord which has been either automatically or manually generated. Priority logic, coupled with the memory, passes the lowest root note signal to a to... | 04/26/1977 |
| 4018122 | Electronic musical instrument with automatic bass accompaniment Twelve flip-flops each corresponding to one of the twelve keys within an octave are provided. Each is set by depression of one corresponding key in the accompaniment manual or simultaneous depression of more than one key in the manual for playing the melo... | 04/19/1977 |
| 4012979 | Music teaching apparatus An apparatus for teaching a person to play a musical instrument, particularly a keyboard instrument. The chord and melody notes of a musical passage are stored in a memory in the form of chord words and melody words each comprising a predetermined number ... | 03/22/1977 |
| 4010667 | Rhythm unit with programmed envelope waveform, amplitude, and the like A rhythm unit produces repetitive pulses having one of a plurality of selectable predetermined time relations to each other for use as rhythm or accompaniment signals in an electronic organ or the like. Each of the pulses triggers operation of a modulator... | 03/08/1977 |
