Matches 51 - 100 out of 119 < 1 2 3 >
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4043240 Electric instrument comprising a binary counter cleared when counts therein reach integers representative of a melody  
For producing musical sounds of a pure scale, an electric instrument comprises a clock generator for producing clock pulses of a period equal to a rational multiple of a predetermined period that...
4043242 Circuit for musical instrument  
An electronic circuit connected to and operated by the bass buttons of an accordion to simulate a string bass instrument. The circuit can be disposed in the accordion or remote from the accordion....
3999456 Voice keying system for a voice controlled musical instrument  
A voice keying system for a voice controlled musical instrument comprising a frequency responding circuit for responding to an input signal of audio frequency and generating a control signal which...
3986426 Music synthesizer  
A music synthesizer produces pitch-proportional voltages in a novel resistor network, uses these voltage via keyboard control to generate in a voltage-controlled oscillator a high frequency signal,...
3971282 Electronic musical instrument capable of transposition  
An electronic musical instrument capable of transposition has a high frequency oscillator provided on its output side with an octave frequency divider comprising twelve counter circuits to generate...
3956961 Phase-lock multiple tone generator system  
For use in an electronic musical instrument, such as an electronic organ, a first set of tone generators, preferably of the type where all of the notes of a musical scale are obtained by frequency...
3952625 Electronic tuning device  
An Electronic Tuning Device for tuning musical instruments employes a single radio frequency oscillator. Frequency dividers are used to divide the frequency of the radio frequency oscillator...
3939750 Electronic organ  
An electronic organ comprises memory means for memorizing in an analog manner the synthesizing ratio of repetitively occuring waves such as square waves for synthesizing qualities of sound in...
3939751 Tunable electrical musical instrument  
An electronic musical instrument including two or more keyboards individually capable of selecting, simultaneously, any twelve out of at least 1,024 discrete pitches per octave to produce scales of...
3937115 Electronic piano circuit arrangement  
Disclosed is an electronic piano circuit arrangement which combines a multitude of different frequencies within a resistordiode matrix array. The resistor-diode coupling elements provide a...
3933072 Generator for producing tones of a musical scale in an electronic musical instrument  
Generator for producing the tones of a musical scale in electronic musical instruments, one master oscillator driving a chain of frequency dividers in a manner such that at the output of each...
3929051 Multiplex harmony generator  
A harmony generator provides signals for causing the output system of an electronic musical instrument to simultaneously sound a plurality of tones forming a chord, such tones corresponding to keys...
3929052 Electronic musical instrument with one tone generator controlling a second tone generator  
In an electronic musical tone generator where a first derivation circuit provides all the musical tones of a scale from a single tone, a second derivation circuit is selectively connected to any...
3921491 Bass system for automatic root fifth and pedal sustain  
An improved system is provided for automatically playing bass notes for root and fifth parts of manually held accompaniment chords, including diminished and augmented chords, and for performing...
3910149 Electronic musical instrument capable of transposition  
An electronic musical instrument capable of transposition and in which a high-frequency oscillator is provided on its output side with an octave frequency divider comprising 12 counter circuits to...
3847050 ELECTRONIC ORGAN WITH PLURAL MASTER OSCILLATORS AND PLURAL VIBRATO OSCILLATORS FOR EACH NOTE  
An electronic organ having means for improving the musical quality of the notes produced by producing a number of parallel electrical signals having vibrato modulations which are mutually...
3840690 ELECTRONIC MUSICAL INSTRUMENT WITH SINGLE KEYBOARD PROVIDING SOUNDS AND EFFECTS  
An electronic sound oscillator comprising at least one electronic note generator connected to a variable frequency control means, said note oscillator being connected to the input of a frequency...
3840689 TONE GENERATOR FOR ELECTRONIC MUSICAL INSTRUMENT  
In an electronic musical instrument, a tone generator consists of two sections. A first section comprises a single master oscillator and a plurality of frequency dividers having respective...
3837254 ORGAN PEDAL TONE GENERATOR  
Tone generator system including an oscillator comprising a capacitor and unijunction transistor, with pedals applying potentials representing different notes to a constant current source for...
3836692 SIGNAL-SELECTING SYSTEM FOR A KEYBOARD TYPE ELECTRONIC MUSICAL INSTRUMENT  
A signal-selecting system for a keyboard type electronic musical instrument comprising keyswitches, memory means, tone signal sources, signal-switching means, frequency dividers, key-selecting...
3826859 ELECTRONIC MUSICAL INSTRUMENT WITH FREQUENCY-DEVIATED PEDAL TONE SIGNAL  
In an electronic musical instrument, a tone signal for the pedal keyboard is obtained by frequency-dividing the manual tone signal. The pedal tone signal thus obtained is passed through a frequency...
3824325 ELECTRONIC MUSICAL INSTRUMENT CAPABLE OF TRANSPOSING  
A transposing electronic musical instrument wherein a high frequency oscillator is provided on its output side with an octave frequency divider comprising twelve counter circuits to generate twelve...
3824326 VIBRATO SIGNAL GENERATING APPARATUS FOR AN ELECTRONIC MUSICAL INSTRUMENT  
A vibrato signal generating apparatus for an electronic musical instrument characterized in that an AND gate circuit is interposed in a circuit connected between a high frequency oscillator and an...
3816635 SINGLE MASTER TONE GENERATOR  
An electronic organ in which all the tones of the musical gamut are obtained by operations on the output of a single tone signal source, utilizing digital techniques to divide the frequency of the...
3795754 ELECTRONIC MUSICAL INSTRUMENTS WITH TWO MASTER OSCILLATORS  
A tone-generator for electronic musical instruments comprising first and second master oscillators of different oscillation frequencies by a semi-tone and 12 master frequency dividers respectively...
3790693 TONE KEYING AND SYNTHESIZING SYSTEM FOR ELECTRONIC MUSICAL INSTRUMENT  
First and second latching selectors receive tone signals from the tone generators and are operatively coupled to a keyboard for respectively deriving first and second tone signals having...
3766305 D.C. KEYED HIGH LOW SELECT PREFERENCE SYSTEM FOR POLYPHONIC ELECTRICAL MUSICAL INSTRUMENTS  
A transistorized high-low note select system for keyboard type electrical musical instruments which provides for direct current operation with or without control of the attack and decay envelope...
3748944 INTEGRATED CIRCUIT SYNTHESIS AND BRIGHT WAVE ORGAN SYSTEM  
A synthesis organ system with direct current keying, envelope shaping and individual harmonic scaling which makes use of 12 musical signals representative of the notes of the top octave of the...
3743756 METHOD OF PRODUCING TONES OF A PREFERABLY SUBSTANTIALLY EQUAL-TEMPERED SCALE  
A device for producing the tones of a musical scale from a single tone generator using a series-connected group of digital dividers for successively dividing the generated tone by 2 n . The output...
3735013 SYSTEM FOR PRODUCING AN APERIODIC VIBRATO SIGNAL  
A system for producing a vibrato signal which varies in frequency in a manner uncorrelated with time in an electronic musical instrument, in which at least two dissonant signals are applied to a...
3715443 WIRING SYSTEM BETWEEN SOUND SOURCE CIRCUITS AND KEYER CIRCUITS IN AN ELECTRONIC MUSICAL INSTRUMENT  
The wiring system of this invention is for connecting a number of integrated sound source circuits with the corresponding number of integrated keyer circuits in an electronic musical instrument,...
3702370 DIGITAL TONE GENERATOR SYSTEM FOR ELECTRONIC ORGAN EMPLOYING A SINGLE MASTER OSCILLATOR  
For use in electronic organs and the like, an electronic circuit for generating a number of signals, the frequencies of which may correspond to the notes of the musical scale, comprises a single...
3674907 KEYBOARD TRANSPOSITION OF ELECTRICAL MUSICAL INSTRUMENTS  
The keyboard of musical instruments, such as electronic organs, is connected through frequency divider circuits to basic tone generators such that corresponding keys of adjacent octaves produce...
3626076 MIXER CIRCUIT FOR ELECTRONIC MUSICAL INSTRUMENT PROVIDING STAIRCASE TONE SIGNAL  
Disclosed is a tone generator circuit for use in an electronic musical instrument, in which respective output terminals of a plurality of cascaded flip-flop circuits are connected to control...
3603714 METHOD AND SYSTEM FOR GENERATING TREMOLO EFFECTS IN ELECTRONIC MUSICAL INSTRUMENTS  
In an electronic organ having plain keys, tremolo effects or mandolin effects are obtained by a system which comprises a pulse-generating circuit of such construction as to detect lateral movements...
3603809 FREQUENCY-DIVIDED SAWTOOTH WAVE GENERATING CIRCUIT  
A circuit consisting of a square wave frequency divider which converts its input sawtooth wave having a frequency f into an output square wave having a frequency f/2 and a mixer for mixing said...
3601518 MUSICAL INSTRUMENT AND METHOD EMPLOYING REFERENCE FREQUENCY SOURCE AND CONTROLLED PERIOD MULTIPLIERS THEREFOR  
A single reference frequency source is coupled to a series of controlled period multipliers (frequency dividers) for selecting a musical keynote and for producing selected output tones that vary...
3590131 ELECTRONIC MUSICAL SCALE GENERATOR EMPLOYING A SINGLE MASTER OSCILLATOR  
For use in electronic organs and the like, an electronic circuit for generating 12 signals, the frequencies of which correspond to the notes of the musical scale, comprises a single, variable...
3590129 ELECTRONIC CHORD SELECTION DEVICE FOR A MUSICAL INSTRUMENT  
The 12 playing keys of an octave range on a standard keyboard each apply a set of chord tone signals to a chord modulator and the root and fifth parts also through input selection gates to a bass...
3567838 MUSICAL INSTRUMENT RHYTHM SYSTEM HAVING PROVISION FOR INTRODUCING AUTOMATICALLY SELECTED CHORD COMPONENTS  
An organ rhythm system of the automatic programmed type which at the various beats in a measure or between beats can give automatically the chord being played and/or the root and the fifth of the...
3560628 MULTI-CHANNEL KEY SWITCH CIRCUIT  
A series of key switches are provided with individual tone sources. From one end of the series, output signal is applied to a first frequency divider circuit, thence to suitable formants and to the...
3558794 BASS REGISTER KEYING SYSTEM  
A note an octave or two octaves below the lowest note of a chord played on the accompaniment manual of an organ is produced by a frequency-dividing flip-flop triggered by a signal selected from the...
3538806 TONE PROCESSING SYSTEM  
3535970 PEDAL CIRCUIT FOR ELECTRONIC ORGAN  
3535969 MUSICAL INSTRUMENT ELECTRONIC TONE PROCESSING SYSTEM  
3532799 ELECTRONIC MUSICAL APPARATUS IMPROVED IN A MUSICAL TONE GENERATING CIRCUIT  
3520982 METHOD AND A DEVICE FOR GENERATING AN EQUAL-TEMPERED TONE SCALE IN MUSICAL INSTRUMENTS  
3515039 ELECTRONIC MUSICAL INSTRUMENTS WITH TONE GENERATING,MIXING,AND DISTRIBUTING SYSTEMS  
3509262 BASS REGISTER KEYING SYSTEM EMPLOYING PREFERENCE NETWORKS  
3499090 ELECTRONIC ORGAN FREQUENCY DIVIDING SYSTEM EMPLOYING DIVISION BY ODD NUMBERS  
Matches 51 - 100 out of 119 < 1 2 3 >