Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
105 words
An electronic musical system having a keyboard and comprising: means coupled to said keyboard and responsive to operation of at least one key of said keyboard for providing a signal of frequency corresponding to the key played, means responsive to the playing of at least one key for providing a control signal, an analog signal generator including resistance-capacitance time-constant elements for controlling the shape of an audio waveform and responsive to said frequency signal and said control signal for generating said waveform, and digital code storage means coupled to both said frequency signal providing means and said control signal providing means for controlling their signals.
Claim 2
Dependent Claim
105 words
An electronic musical system having a keyboard and comprising: means coupled to said keyboard and responsive to operation of at least one key of said keyboard for providing a signal of frequency corresponding to the key played, means responsive to the playing of at least one key for providing a control signal, an analog signal generator including resistance-capacitance time-constant elements for controlling the shape of an audio waveform and responsive to said frequency signal and said control signal for generating said waveform, and digital code storage means coupled to both said frequency signal providing means and said control signal providing means for controlling their signals.
Claim 3
Dependent Claim
21 words
The system of claim 1 wherein said frequency signal providing means includes a pulse waveform generator and a sawtooth waveform generator.
Claim 4
Dependent Claim
14 words
The system of claim 2 including means for combining said pulse and sawtooth waveforms.
Claim 5
Dependent Claim
26 words
The system of claim 2 including pulse width selection logic response to said code storage means for providing different possible pulse widths for said pulse waveform.
Claim 6
Dependent Claim
17 words
The system of claim 1 wherein said code storage means controls the frequency of said frequency signal.
Claim 7
Dependent Claim
14 words
The system of claim 5 wherein said control changes said frequency by an octave.
Claim 8
Dependent Claim
24 words
The system of claim 1 wherein said frequency signal and control signal providing means are coupled from said keyboard by way of keyboard circuitry.
Claim 9
Dependent Claim
23 words
The system of claim 7 wherein said keyboard circuitry includes means responsive to said played key for generating a binary code corresponding thereto.
Claim 10
Dependent Claim
34 words
The system of claim 8 wherein said keyboard circuitry includes means for sequentially interrogating said keys to determine if one has been played, and for storing the binary code corresponding to the played key.
Claim 11
Dependent Claim
25 words
The system of claim 1 wherein said control signal providing means includes at least one envelope generator having attack circuit means and release circuit means.
Claim 12
Dependent Claim
11 words
The system of claim 10 including a pair of envelope generators.
Claim 13
Dependent Claim
19 words
The system of claim 11 wherein said code storage means controls said attack circuit means and release circuit means.
Claim 14
Dependent Claim
28 words
The system of claim 1 wherein said code storage means is coupled to read only memories in said frequency signal providing means and said control signal providing means.
Claim 15
Dependent Claim
20 words
The system of claim 1 wherein said means for generating includes voltage controlled filter means and voltage control amplifier means.
Claim 16
Dependent Claim
18 words
The system of claim 14 including resonator means for receiving a pulse waveform and coupled to filter means.
Claim 17
Dependent Claim
18 words
The system of claim 15 wherein said code storage means controls the filter means of said resonator means.