Miniature radiating electrocardiograph

Claim 1

IN A PORTABLE SELF-CONTAINED RADIO ELECTROCARDIOGRAPH APPARATUS ADAPTED TO BE COMPLETELY CARRIED BY THE PATIENT AND FREE OF EXTERNAL ELECTRICAL WIRING INTERCONNECTING THE PATIENT WITH A FIXED LOCATION FOR MONITORING THE PATIENT''S HEART CHARACTERISTICS IN A DYNAMIC FASHION WHILE THE PATIENT IS SUBJECTED TO STRESSES ENCOUNTERED BY UNRESTRAINED ACTIVITY, TRANSDUCER ELECTRODES ADAPTED TO BE BONDED TO THE PATIENT''S SKIN AND BEING FLEXIBLE TO MAINTAIN LOW RESISTANCE CONTACT WITH THE SAME LOCATION ON THE BODY DESPITE VARIATIONS IN BODY CURVATURE, AND TRANSMITTER MEANS PRODUCING A CARRIER RADIO-FREQUECY RESPONSIVE TO ELECTRICAL SIGNALS OBTAINED FROM THE ELECTRODES TO PRODUCE A FREQUENCY MODULATED ULTRA HIGH FREQUENCY RADIATION TO BE DETECTED AT A REMOTE LOCATION, SAID TRANSMITTER MEANS COMPRISING A BATTERY, A RADIO FREQUENCY OSCILLATOR POWERED BY THE BATTERY, AND A HOUSING CONTAINING SAID OSCILLATOR AND BATTERY AND ADAPTED TO BE CARRIED BY THE PATIENT DURING UNRESTRAINED ACTIVITY IN INTIMATE HEAT TRANSFERRING RELATIONSHIP WITH THE PATIENT''S BODY AND MEANS FOR STABILIZING SAID TRANSMITTER MEANS TO PREVENT HEATING BY BODY TEMPERATURE AND VARIATIONS IN BATTERY POTENTIAL FROM PRODUCING SPURIOUS VARIATIONS IN THE RADIATION, SAID STABILIZING MEANS INCLUDING A TEMPERATURE SENSITIVE ELECTRICAL COMPONENT IN SAID OSCILLATOR FOR VARYING THE OSCILLATOR FREQUENCY IN OPPOSITION TO THE CHANGE NORMALLY PRODUCED BY HEAT.