Wide band sensing apparatus

Claim 1

IN A DEVICE FOR PRODUCING A FIRST SIGNAL INDICATIVE OF RATE OF CHANGE OF POSITION WITH RESPECT TO TIME AND A SECOND SIGNAL INDICTIVE OF POSITION WITH RESPECT TO TIME, MEANS FOR PROVIDING IMPROVED DYNAMIC RESPONSE COMPRISING: A POSITION SENSOR; A DIFFERENTIATOR HAVING A FIRSTORDER LAG ASSOCIATED THEREWITH AND COUPLED TO SAID POSITION SENSOR; A FIELD FIRST-ORDER LAG NETWORK AND SECOND FIRST ORDER LAG IN SERIES CIRCUIT, SAID FIRST FIRST-ORDER LAG BEING COUPLED TO SAID DIFFERENTIATOR, AND SAID SECOND LAG PROVIDING A FIRST SIGNAL OUTPUT, A FIRST SUMMING MEANS INTERPOSED BETWEEN SAID DIFFERENTIATOR AND SAID FIRST FIRST-ORDER LAG AND COUPLED TO SAID FIRST OUTPUT SIGNAL FOR COMPARISON WIGH THE OUTPUT OF SAID DIFFERENTIATOR; AN ACCELERATION SENSOR ORIENTED TO MEASURE THE SECOND DERIVATIVE OF THE VARIABLE SENSED BY SAID POSITION SENSOR; A SECOND SUMMING MEANS INTERPOSED BETWEEN SAID FIRST AND SECOND LAGS FOR SUMMING THE OUTPUTS FROM SAID ACCELERATOMETER AND SAID FIRST FIRST-ORDER LAG.