Installation for reproducing sound from a stationary sound record area

Claim 1

AN INSTALLATION FOR REPRODUCING SOUND FROM A SOUND RECORD AREA ASSOCIATED WITH A VISUALLY OBSERVABLE OBJECT, SAID INSTALLATION COMPRISING A SOUND TRACK SUPPORT HAVING THEREON A SOUND RECORD AREA IN THE FORM OF TWO ARRAYS OF PARALLEL LINEAR SOUND TRACKS OF EQAL LENGTH, SAID ARRAYS BEING DISPOSED ON OPPOSITE SIDES OF THE OBJECT TO BE VISUALLY OBSERVED, AND A PAIR OF SOUND PICKUP ASSEMBLIES EACH COACTING WITH ONE OF SAID ARRAYS, A CARRIER SUPPORTING SAID PICKUP ASSEMBLIES, GUIDE MEANS SUPPORTING AND GUIDING SAID CARRIER ALONG SAID ARRAYS, A PAIR OF DRIVE MEANS FOR DRIVING SAID CARRIER ALONG SAID GUIDE MEANS, ONE OF SAID DRIVE MEANS BEING ARRANGED TO DRIVE THE CARRIER IN ONE DIRECTION AND THE OTHER IN THE OPPOSITE DIRECTION, SAID PICKUP ASSEMBLIES BEING MOUNTED ON THE CARRIER SLIDABLE TRANSVERSELY OF THE PATH OF TRAVEL OF THE CARRIER, COUPLING MEANS FOR DRIVINGLY COUPLING SAID CARRIER WITH EITHER ONE OF SAID DRIVE MEANS, FIRST CONTROL MEANS DISPOSED ADJACENT TO EACH END OF SAID ARRAYS AND OPERATED BY THE CARRIER UPON REACHING AN END OF ONE OF SAID GUIDE MEANS TO COUPLE THE CARRIER WITH THE RESPECTIVE OTHER ONE OF SAID DRIVE MEANS THEREBY EFFECTING RECIPROCATORY TRAVEL OF THE CARRIER ALONG SAID ARRAYS, AND SECOND CONTROL MEANS FOR CONTROLLING THE TRANSVERSE POSITIONS OF SAID PICKUP ASSEMBLIES ON THE CARRIER, SAID SECOND CONTROL MEANS BEING ACTUATED IN RESPONSE TO THE CARRIER REACHING EITHER END OF ITS TRAVEL, ACTUATION OF THE SECOND CONTROL MEANS ALTERNATELY DISPLACING THE PICKUP ASSEMBLIES INTO SOUND REPRODUCING POSITION WITH THE NEXT ADJACENT SOUND TRACK OF THE RESPECTIVE ARRAY.