Title: Tone-variable piano
Application Number: 01144924 Application Date: 2002.02.20
Publication Number: 1373465 Publication Date: 2002.10.09
Approval Pub. Date: Granted Pub. Date: 2004.10.27
International Classifi-cation: G10C3/00
Applicant(s) Name: Han Shaofa Address: 130012
Inventor(s) Name:
Attorney & Agent:
Abstract:
     A novel piano with mechanical tone variation instead of manual tone various is characterized by that a tone variator is added to the bottom of a link gear for string beater to make all parts have same gap between them,and the keys are made vertically. Its one of main technical characteristis is to move keys, so it is easily mastered.
Time: 7