Automatic altitude reporting system verifying apparatus

Abstract

Abstract AN APPARATUS FOR VERIFYING THE OUTPUT OF AN AIRCRAFT TRANSPONDER COMBINED WITH AN AUTOMATIC ALTITUDE ENCODING MEANS, THE APPARATUS COMPRISING AN ALTIMETER TEST SET INCLUDING MEANS FOR GENERATING NEGATIVE PRESSURES, A CALIBRATED ALTIMETER FOR MEASURING SAID PRESSURE IN UNITS OF ALTITUDE, MEANS FOR APPLYING THESE PRESSURES TO THE ALTITUDE ENCODING MEANS, AN ALTITUDE DECODER TEST SET INCLUDING ENCODER MEANS FOR GENERATING A BINARY REFERENCE SIGNAL CORRESPONDING TO THE ALTITUDE EQUIVALENT OF THE PRESSURE APPLIED TO THE SAID ALTITUDE ENCODING MEANS AND MEANS FOR SIMULTANEOUSLY DISPLAYING, FOR COMPARISON, SAID BINARY REFERENCE SIGNAL AND THE BINARY SIGNAL FROM SAID ALTITUDE ENCODING MEANS, AND MEANS FOR INTERROGATING SUCH A TRANSPONDER INCLUDING MEANS FOR GENERATING A TRANSPONDER INTERROGATING SIGNAL AND MEANS FOR DISPLAYING THE SIGNAL GENERATED BY THE TRANSPONDER IN RESPONSE TO SAID INTERROGATING SIGNAL, WHEREBY THE SIGNAL GENERATED BY THE TRANSPONDER CAN BE COMPARED TO SAID BINARY REFERENCE SIGNAL.

Inventors

• 👤 Earl W Springer

Bibliographic Details