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1. 发明授权

US10170087B2 Apparatus for sounding a string of stringed instrument 有权
公开(公告)号：US10170087B2
公开(公告)日：2019-01-01
申请号：US15686600
申请日：2017-08-25
申请人： Vladimir A. Demin
发明人： Vladimir A. Demin
IPC分类号： G10H3/00 , G10F1/16 , G10D3/00 , G10F1/20
摘要： The inventive device relates to musical instruments. Use of this invention in a stringed instrument ensures a simpler apparatus allowing for sounding a string of the stringed instrument in the same way as a musician does. The apparatus for sounding a string of stringed instrument comprises: a first servo motor designed for securing a mediator to an output shaft thereof and for rotating the mediator in opposing directions for ensuring an interaction of the mediator with the string; a guide disposed substantially orthogonally to the string plane of the stringed instrument and designed for moving, along one side thereof, the first servo motor from or to the string; a second servo motor mounted at the reverse side of the guide; a transmission mechanism which first end being coupled with an output shaft of the second servo motor and which second end being connected to the first servo motor.

2. 发明授权

US09865238B2 Method for mounting a solenoid above a string of stringed instrument 有权
公开(公告)号：US09865238B2
公开(公告)日：2018-01-09
申请号：US15491838
申请日：2017-04-19
申请人： Vladimir A. Demin
发明人： Vladimir A. Demin
IPC分类号： G10F1/20 , G10F5/00
CPC分类号： G10F1/20 , G10D3/00 , G10F5/00
摘要： This invention relates to musical instruments. Its use for mounting a solenoid above a string of stringed instrument for pressing this string to a specific fret of finger-board allows to simplify that mounting and ensure the absence of the knock at a moment of actuating the solenoid. The method is implemented in a stringed instrument bearing, above a finger-board thereof, a common plate having through-holes under each solenoid comprising a coil, within which coil a plunger adapted for axial movement being disposed, the plunger tapering to an output stud thereof for limiting a working travel of the plunger with a stopper ring displaced at a coil edge facing the string, the output stud having thickening at an end with elastic washers at both the side facing the string and reverse side. The method includes steps of: securing the solenoid at a separate plate; disposing the separate plate above the common plate so that the thickening of the output stud permeates the respective through-hole; fixing the separate plate above the common plate, using adjusting screws with elastic spacers put thereupon between the separate plate and common plate, until the string being pressed with the stud on supplying a working current to the solenoid coil; shifting the separate plate using the adjusting screws in such a location that the pressure of the string occurs, on supplying the working current to the solenoid coil, without a knock arisen from an impact made by the plunger taper with the stopper ring.

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