Patent ID: 8912415
Filing Date: 2014-12-16
Classification: G01D,G10D,Y10T

Abstract:
1. An acoustic configuration violin, comprising: a violin cavity comprising a backplate, a faceplate and side plates, the violin cavity having a head end, a tail end, and a longitudinal mid-section between the head end and the tail end, a side of the cavity having a c-shaped region, and an f-hole being set on the faceplate, wherein: in the longitudinal mid-section of violin cavity, a vertical distance between an inner surface of the backplate and an inner surface of the faceplate is increased gradually from the head end or the tail end to the c-shaped region, farther from the C-shaped region, a rising slope of the vertical distance is smaller, and nearer to the C-shaped region, the rising slope of the vertical distance is greater, and a length between each of (i) the head end and the c-shaped region and (ii) the tail end and the c-shaped region is divided in twelve equal parts, and the distance between the inner surface of the backplate and the inner surface of the faceplate at a point between each divided part in order equals one of 12 tones in order having American standard pitch frequency.