Apparatus for effecting automatic batching of composite mixtures

Claim 1

A DIFFERENTIAL TRANSFORMER CIRCUIT PROVIDING A POTENTIAL WHICH IS A FUNCTION OF THE DIFFERENTIAL TRANSFORMER CORE POSITION AND INCLUDING MEANS FOR VARYING THE MAGNITUDE OF SAID POTENTIAL INDEPENDENTLY OF PHASE COMPRISING, IN COMBINATION, A DIFFERENTIAL TRANSFORMER PROVIDING A TWO TERMINAL SECONDARY OUTPUT, FIRST AND SECOND VARIABLE IMPEDANCES CONNECTED IN SERIES ACROSS SAID DIFFERENTIAL TRANSFORMER OUTPUT, MEANS FOR SIMULTANEOUSLY VARYING THE VALUES OF THE SAID IMPEDANCES SUCH THAT THE SERIES IMPEDANCE THEREOF PRESENTED TO SAID DIFFERENTIAL TRANSFORMER ACROSS SAID SECONDARY OUTPUT REMAINS SUBSTANTIALLY CONSTANT AND MEANS FOR TAKING THE OUTPUT OF SAID DIFFERENTIAL TRANSFORMER CIRCUIT FROM THE SECOND OF SAID VARIABLE IMPEDANCES.