Patent ID: 7049504

Claim:
A tremolo producing system comprising: a base unit attached to the body of a string musical instrument in a manner of being capable of adjusting its position to varying guitar body configurations and being able to be removed from one instrument and be attached to another one; a tremolo arm attached to the said base unit for increasing or decreasing the pitch of the instrument by means of moving towards and from the body of the string instrument and capable of regulating the amount of physical efforts required to move the arm; a potentiometer positioned inside the said base unit and attached to the said tremolo arm to provide controlling signals for increasing or decreasing the pitch of the instrument electronically and without changing the tension of strings mechanically, said potentiometer being operable when said arm is moving from neutral position towards or from the body of musical instrument; a ground or rack unit positioned separate from the musical instrument and connected electronically to said base unit and also to said musical instrument to process the output signal of said musical instrument in relation to controlling signal received from the said base unit for increasing or decreasing the pitch of the instrument electronically following up movements of the said tremolo arm.