Achilles reflex test apparatus

Claim 1

APPARATUS FOR MEASURING A REFLEX ACTION COMPRISING A SENSOR ADAPTED FOR ENGAGEMENT WITH THAT PORTION OF A PATIENT''S BODY WHERE THE REFLEX ACTION OCCURS, SAID SENSOR HAVING MEANS THEREIN FOR PRODUCING AN ELECTRICAL PULSE DURING THE REFLEX ACTION, A TIMING CIRCUIT, A METER WHICH IS ACTUATED BY THE TIMING CIRCUIT AND HAVING AN INDICATING MEANS THEREIN MOVABLE FROM AN INTITIAL REFERENCE POSITION TO ANOTHER POSITION COMMENSURATE WITH THE VALUE OF A VOLTAGE PLACED UPON SAID METER BY SAID TIMING CIRCUIT, MEANS FOR CONDUCTING A PULSE FROM SAID SENSOR TO SAID TIMING CIRCUIT FOR INITATING A CONTINUOUSLY INCREASING CHARGE IN SAID TIMING CIRCUIT IN RESPONSE TO THE BEGINNING OF SAID PULSE FROM SAID SENSOR THEREBY PRODUCING SAID VOLTAGE, AND MEANS FOR INTERRUPTING THE CHARGING OF SAID TIMING CRICUIT AT THE END OF SAID PULSE.