Electromagnetically coupled hearing aid

Claim 1

A HEARING AID HAVING TWO PHYSICALLY SEPARATE AND INDEPENDENT UNITS COMPRISING IN COMBINATION: AN EYEGLASS TEMPLAR MEMBER HAVING A DOWNWARDLY EXTENDING REAR PORTION ADAPTED TO FIT OVER AND BEHIND A USER''S EAR AND BEING ADAPTED TO BE CARRIED BY AN EYEGLASS FRAME; A FIRST UNIT MOUNTED WITHIN SAID TEMPLAR MEMBER AND INCLUDING A MICROPHONE, A SIGNAL AMPLIFIER, AND A CARRIER FREQUENCY MODULATOR-OSCILLATOR MEANS HAVING A FREQUENCY DETERMINING CIRCUIT INCLUDING AN INDUCTANCE DISPOSED IN THE DOWNWARDLY EXTENDING REAR PORTION OF SAID TEMPLAR MEMBER AND CIRCUIT MEANS INTERCONNECTING ALL OF SAID LAST NAMED DEVICES IN ELECTRICAL COOPERATING RELATIONSHIP WHEREBY A MODULATED CARRIER FREQUENCY OUTPUT SIGNAL IS EMITTED FROM THE INDUCTANCE FOR COUPLING THE ELECTROMAGNETIC OUTPUT THEREOF TO A SECOND UNIT; AND A SECOND UNIT MOUNTED WITHIN A PREFORMED EAR MOLD HAVING A SECOND OUTLET AND ADAPTED TO BE POSITIONED WITHIN A USER''S AUDITORY CANAL, SAID SECOND UNIT INCLUDING A SOUND OUTPUT TRANSDUCER, A CAPACITOR-INDUCTOR TANK CIRCUIT TUNED TO THE CARRIER FREQUENCY OUTPUT OF SAID FIRST UNIT, AND MEANS, INCLUDING DEMODULATING MEANS, INTERCONNECTING SAID TANK CIRCUIT AND SAID TRANSDUCER, SAID INDUCTOR BEING POSITIONED IN ELECTROMAGNETIC SIGNAL RECEIVING RELATIONSHIP TO THE INDUCTANCE IN SAID FIRST UNIT.