Aircraft guidance control signal development system

Claim 1

AN AIRCRAFT GUIDANCE CONTROL SIGNAL DEVELOPMENT SYSTEM COMPRISING A SOURCE OF RADIO DEVIATION SIGNALS INDICATIVE OF AIRCRAFT DISPLACEMENT FROM A SELECTED RADIO-DEFINED COURSE, MEANS FOR DEVELOPING A HEADING ERROR SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE MAGNETIC HEADING OF SAID AIRCRAFT AND SAID SELECTED RADIO-DEFINED COURSE, SIGNAL MIXING MEANS RECEIVING SAID RADIO DEVIATION SIGNAL AND SAID HEADING ERROR SIGNAL, CROSSWIND COMPENSATION MEANS RECEIVING SAID HEADING ERROR SIGNAL, SAID CROSSWIND COMPENSATING INCLUDING SIGNAL INTEGRATING AND INVERTING MEANS, THE OUTPUT FROM SAID CROSSWIND COMPENSATING MEANS BEING CONNECTIBLE TO SAID MIXING MEANS, SAID MIXING MEANS DEVELOPING FROM THE INPUTS THERETO A COMPOSITE COMMAND SIGNAL FIRST SWITCHING MEANS SIGNAL SENSING MEANS COMPRISING A THRESHOLD SENSITIVE AMPLIFIER RECEIVING SAID RADIO DEVIATION SIGNAL AND SAID COMPOSITE COMMAND SIGNAL AND BEING ADAPTED IN RESPONSE TO INPUT SIGNALS THERETO BENEATH A PREDETERMINED MAGNITUDE TO DEACTIVATE SAID FIRST SWITCHING MEANS, TIMING MEANS INCLUDING SECOND SWITCHING MEANS, CONTROL MEANS FOR SAID TIMING MEANS CONNECTED TO AND OPERATIVE IN REPONSE TO SAID FIRST SWITCHING MEANS BEING DEACTIVATED TO DEACTIVATE SAID SECOND SWITCHING MEANS A PREDETERMINED TIME THEREAFTER, SAID SECOND SWITCHING MEANS BEING OPERABLY CONNECTED TO THE OUTPUT FROM SAID CROSSWIND COMPENSATING MEANS TO EFFECT CONNECTION BETWEEN SAID CROSSWIND COMPENSATING MEANS AND SAID MIXING MEANS UPON BEING DEACTIVATED.