Tone arm with carriage servo

Claim 1

IN A RECORD PLAYER FOR RECORDS HAVING A GROOVE, A TONE ARM PROVIDED WITH A STYLUS TO A TRACK THE GROOVE AND CAUSE THE OUTER END OF THE TONE ARM TO MOVE IN A PREDETERMINED PATH IN RELATION TO THE GROOVE, ROTARY MEANS TO MOVE TO THE INER END OF SAID TONE ARMS AT A RATE SUCH THAT THE TONE ARM MAINTAINS A PREDETERMINED ANGULAR RELATION WITH THE RECORD GROOVE AS THE STYLUS TRACKS THE GROOVE, SAID ROTARY MEANS INCLUDING A GUIDE HAVING A ROTARY SHAFT, A MOVABLE STRUCTURE DISTINCT FROM THE TONE ARM CONSTRAINED BY SAID GUIDE AND INCLUDING A MEMBER CAPABLE OF PIVOTAL MOVEMENT ABOUT A FIRST AXIS, MEANS PIVOTALLY CONNECTING SAID TONE ARM AND SAID MEMBER FOR MOVEMENT WITH SAID STRUCTURE AND ALSO FOR PIVOTAL MOTION ABOUT SAID SECOND AXIS WITH RESPECT TO SAID STRUCTURE AND MEMBER, AND A WHEEL CONNECTED WITH SAID MEMBER AND ENGAGING SAID ROTARY SHAFT AND RESPONSIVE TO THE PIVOTAL MOTION OF SAID TONE ARM AND MEMBER ABOUT SAID FIRST AXIS FOR IMPARTING A COMPONENT OF FORCE TO SAID MOVABLE STRUCTURE FROM SAID ROTARY SHAFT AND IN A DIRECTION WHICH CAUSES SAID STRUCTURE TO MOVE IN A MANNER TO DISPLACE SAID INNER END OF THE TONE ARM AS SAID STYLUS TRACKS THE RECORD GROOVE THEREBY ELIMINATING TRACKING ERROR.