Stereo piezoelectric transducer

Claim 1

IN A TRANSDUCER FOR TRANSDUCING MECHANICAL MOTION INTO REPRESENTATIVE ELECTRICAL SIGNALS, THE COMBINATION OF: A SUPPORT MEMBER; A BODY OF STRAIN RESPONSIVE MATERIAL EXHIBITING A GIVEN ELECTRICAL CHARACTERISTIC WHICH CHANGES UPON THE PRODUCTION OF MECHANICAL STRAIN THEREIN, SAID BODY HAVING FIRST AND A SECOND END EXTREMITY AND A FIRST AND A SECOND MAJOR SIDE SURFACE OPPOSING ONE ANOTHER, EACH MAJOR SIDE SURFACE BEING COMPRISED OF TWO ENDS AREAS EACH EMBRACING A DIFFERENT ONE OF SAID END EXTREMITIES AND A CENTRAL AREA INTERMEDIATE SAID TWO END AREAS, SAID CENTRAL AREA BEING SUBSTANTIALLY LARGER THAN EITHER OF SAID END AREAS; MEANS RESILIENTLY AFFIXING SAID BODY WITHIN THE CENTRAL AREA OF SAID FIRST MAJOR SIDE SURFACE TO SAID SUPPORT MEMBER; MEANS SUBSTANTIALLY RIGIDLY AFFIXING SAID BODY WITHIN THE FIRST END AREA OF SAID FIRST MAJOR SIDE SURFACE TO SAID SUPPORT MEMBER; A BEAM MEMBER HAVING A FIRST AND SECOND END EXTREMITIES; MEANS RESILIENTLY AND DIRECTLY COUPLING SAID FIRST BEAM EXTREMITY TO BOTH SAID SUPPORT MEMBER AND A VARIABLE AREA OF THAT END AREA OF SAID SECOND MAJOR SIDE SURFACE WHICH DIRECTLY OPPOSES THE SECOND END AREA OF SAID FIRST MAJOR SIDE SURFACE; THE AREA COUPLED VARYING WITH THE MOVEMENT OF SAID SECOND BEAM EXTREMITY RELATIVE TO SAID SUPPORT MEMBER; AND MEANS ELECTRICALLY CONNECTED TO SAID BODY FOR SENSING CHANGES IN SAID GIVEN ELECTRICAL CHARACTERISTIC IN RESPONSE TO MOVEMENT OF SAID SECOND BEAM EXTREMITY RELATIVE TO SAID SUPPORT MEMBER.