Transducer for use both in pick-ups and in track cutting means

Claim 1

IN BINAURAL TRANSDUCER MEANS FOR USE IN REPRODUCING OR RECORDING SOUND, INCLUDING A HOUSING MEANS, TWO ELECTRO-ACOUSTIC TRANSDUCING ELEMENTS EACH HAVING A MOUNTING PORTION AND A DRIVEN PORTION, SAID MOUNTING PORTIONS BEING ATTACHED TO THE HOUSING MEANS TO POSITION THE DRIVEN PORTIONS CLOSELY ADJACENT EACH OTHER, AND ELONGATED STYLUS HOLDER HAVING TWO STYLII AT ONE END PORJECTING LATERALLY IN ANGULAR RELATIONSHOP TO EACH OTHER AND HAVING A DRIVING PORTION REMOTE FROM SAID STYLII FOR SIMULTANEOUS OPERATIVE ENGAGEMENT WITH THE DRIVEN PORTIONS OF BOTH SAID TRANSDUCER ELEMENTS, ROTARY SUPPORT MEANS FOR THE STYLUS HOLDER ATTACHED TO THE HOUSING MEANS TO PORTION THE DRIVING PORTION OF THE STYLUS HOLDER IN SAID OPERATIVE ENGAGEMENT, SAID ROTARY SUPPORT MEANS INCLUDING MEANS TO ROTATE THE STYLUS HOLDER ABOUT ITS PRINCIPAL AXIS TO SELECTIVELY POSITION SAID STYLII IN OPERATIVE RELATIONSHIP WITH A RECORDING SURFACE AND CONCURRENTLY TO POSITION SAID DRIVING PORTION OUT OF ENGAGEMENT WITH SAID DRIVEN PORTIONS OF THE TRANSDUCING ELEMENTS DURING SAID ROTATION BETWEEN SAID OPERATIVE POSITIONS.