Electric guitar incorporating separate pickups for the wound and unwound strings

Claim 1

AN ELECTRICAL MUSICAL INSTRUMENT OF THE GUITAR TYPE, WHICH COMPRISES A BODY, A PLURALITY OF STRINGS MOUNTED OVER SAID BODY IN TENSIONED RELATIONSHIP, CERTAIN OF SAID STRINGS BEING PROVIDED WITH WINDINGS THEREAROUND, AT LEAST ONE OF SAID STRINGS BEING FREE OF A WINDING, PICKUP MEANS OPERATIVELY ASSOCIATED WITH SAID STRINGS TO CONVERT INTO ELECTRICAL SIGNALS THE VIBRATIONS RESULTING FROM PICKING THEREOF, AND ELECTRIC-CIRCUIT MEANS OPERATIVELY ASSOCIATED WITH SAID PICKUP MEANS TO BALANCE RELATIVE TO EACH OTHER THE ELECTRICAL SIGNAL PRODUCED BY SAID PICKUP MEANS DUE TO VIBRATION OF SAID ONE STRING AND THE ELECTRICAL SIGNALS PRODUCED BY SAID PICKUP MEANS DUE TO VIBRATION OF SAID CERTAIN STRINGS, SAID PICKUP MEANS COMPRISING A FIRST ELECTROMAGNETIC PICKUP OPERATIVELY ASSOCIATED WITH SAID CERTAIN STRINGS AND A SECOND ELECTROMAGNETIC PICKUP OPERATIVELY ASSOCIATED WITH SAID ONE STRING, SAID ELECTRIC-CIRCUIT MEANS COMPRISING A TONE-CONTROL CIRCUIT OPERATIVELY ASSOCIATED WITH SAID SECOND PICKUP ONLY, SAID TONE-CONTROL CIRCUIT INCLUDING A VARIABLE CIRCUIT ELEMENT ADAPTED TO EFFECT PROGRESSIVE TONE VARIATION.