Pianos TRIZ Cases
- Grand Piano Music Rack Slide-On Mounting to Reduce Alignment Damage
See how rear-end placement and rearward sliding eliminate protrusion-groove insertion, reducing
- Acoustic Resonance Transducer Tuning for Piano Overtone Reduction
Flexible resonance transducers tune piano vibrations to amplify fundamental tones and suppress disturbing overtones for clearer sound.
- Acoustic Resonance Transducer Layout for Clearer Piano Fundamental Tones
Slidable resonance elements on a flexible suspension boost piano fundamental tones while suppressing disturbing overtone transfer.
- Modular Upright Piano Hammer Return Spring Rail With Adjustable Tension
Adjustable spring compartments and modular rail sections simplify upright piano assembly, repair, and hammer return tuning.
- Lightweight Stringed Keyboard Structure for Portable Acoustic Pianos
A steel-based sandwich sound-body and separable upright action cut piano weight and transport space while preserving acoustic sound quality.