Abstract: “Self-playing robot guitar comprising a biodegradable skin-leathern formed carcass and a biodegradable skin-leathern formed musical plectrum, and structured protein/amino acids”. The invention relates to a robot having humanoid activity and extremities, having a carcass comprising a chordophone, in particular a guitar, the body of which is optionally skin-leathern formed. Said robot plays instrumental music on and by itself using its own hands thereof. The components of the invention are optionally made of structured proteins/amino acids. In addition, said components are food for animals and plants.

Abstract: A string musical instrument comprising an instrument body having a fretboard and a plurality of electrically common and electrically conductive frets spaced along the fretboard. One or more electrically isolated and electrically conductive vibratory strings are laterally disposed on the instrument body and held in tension over and in close proximity to the frets and a picking means for each of the strings. The picking means is an actuating assembly with a power supply. The actuating assembly is electrically connected to the one or more electrically isolated and electrically conductive vibratory strings.

Abstract: A string musical instrument comprising an instrument body having a fretboard and a plurality of electrically common and electrically conductive frets spaced along the fretboard. One or more electrically isolated and electrically conductive vibratory strings are laterally disposed on the instrument body and held in tension over and in close proximity to the frets and a picking means for each of the strings. The picking means is an actuating assembly with a power supply. The actuating assembly is electrically connected to the one or more electrically isolated and electrically conductive vibratory strings.

Abstract: A device and method for automatic tuning of a string Instrument, in particular, a guitar, comprising a recording device, for recording a tone generated by striking a string and for the output of a digital signal corresponding to the recorded tone, a memory device for storage of given digital signals which correspond to a desired tone, a comparator device for comparison of the digital signal output by the recording device with a digital signal corresponding to the desired tone stored in the memory device, an adjuster device for altering the tension of the strings, at least one actuator, for operating the adjuster device, a controller connected to the comparator device, which controls the at least one actuator using a bus line, by means of a difference determined in the comparator device between the signals representing the generated tone and the desired tone.

Abstract: An apparatus for playing a stringed instrument comprises a supporting frame, a plurality of pokers, at least one picker, a plurality of actuating devices and a computer interface; at least one tension controller may also bey attached. The frame supports the stringed instrument as well as the pokers, picker, tension controller and actuating devices. Each poker, when activated, will press a specific point on a specific string to the neck of the stringed instrument. A picker, when activated, will draw a pick across a string. A tension controller, under activation, can tighten and/or loosen the tension of a string. The actuating devices provide the means of actuating the pokers, picker and tension controller. The computer interface enables the various actuating devices, and thus the apparatus, to be controlled via computer. A stringed instrument may be played, producing music with a broad variety of notes, chords and styles when the various components are activated in an orchestrated manner.

Abstract: A power operated device that is mounted on a musical stringed instrument such as a guitar to selectively bring one or a desired group of rotating members into light pressure contact with strings of the instrument to cause one or a desired group of strings to vibrate at least so long as the rotatable members are in rotating contact therewith to emit musical tones. The device permits unusual and novel musical effects to be obtained from an instrument due to the strings being subjected to vibration for any desired period of time, in contrast to the short period of time a string vibrates to emit a musical tone when the string is plucked by a finger or with a pick.