METHOD FOR PHASE SHIFT OF VIBRATIONS OF SOUNDING BOARDS OF BOW INSTRUMENTS Russian patent published in 1999 - IPC

Abstract RU 2139576 C1

FIELD: musical instruments. SUBSTANCE: phases are shifted relative to each other up to 180 deg, by moulded of material of the upper sounding board in the sections of installation of the shackle and strut, on the left of spring installation over the length of the efa to the density of material of the lower sounding board with preservation of thickness of the sounding board in these sections. EFFECT: facilitated procedure. 1 dwg

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RU 2 139 576 C1

Authors

Dorfman Ehduard Borisovich

Dates

1999-10-10Published

1997-09-03Filed