Data Storage Patents (Class 84/601)
- Sampling (e.g., with A/D conversion) (Class 84/603)
- Waveform memory (Class 84/604)
- Fourier coefficient memory (Class 84/608)
- Note sequence (Class 84/609)
- Selecting circuits (Class 84/615)
- Noise reduction (e.g., error prevention, etc.) (Class 84/621)
- Tone synthesis or timbre control (Class 84/622)
- Expression or special effects (e.g., force or velocity responsive, etc.) (Class 84/626)
- Accompaniment (Class 84/634)